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Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
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1

RECEIVED  

NLE Websites -- All DOE Office Websites (Extended Search)

40 40 ri,if--,r7n11-74"vtl Lit0 tait":,0 RECEIVED FFII 2 8 S96 OSTI The Winds of (Evolutionary) Change: Breathing New Life into Microbiology Gary J. Olsen,* Carl R. Woese,* and Ross A. Overbeekt DISCLAIMER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsi- bility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Refer- ence herein to any specific commercial product, process, or service by trade name, trademark,

2

Methylphenidate-Elicited Dopamine Increases in Ventral Striatum Are Associated with Long-Term Symptom Improvement in Adults with Attention Deficit Hyperactivity Disorder  

Science Conference Proceedings (OSTI)

Stimulant medications, such as methylphenidate, which are effective treatments for attention deficit hyperactivity disorder (ADHD), enhance brain dopamine signaling. However, the relationship between regional brain dopamine enhancement and treatment response has not been evaluated. Here, we assessed whether the dopamine increases elicited by methylphenidate are associated with long-term clinical response. We used a prospective design to study 20 treatment-naive adults with ADHD who were evaluated before treatment initiation and after 12 months of clinical treatment with a titrated regimen of oral methylphenidate. Methylphenidate-induced dopamine changes were evaluated with positron emission tomography and [{sup 11}C]raclopride (D{sub 2}/D{sub 3} receptor radioligand sensitive to competition with endogenous dopamine). Clinical responses were assessed using the Conners Adult ADHD Rating Scale and revealed a significant reduction in symptoms of inattention and hyperactivity with long-term methylphenidate treatment. A challenge dose of 0.5 mg/kg intravenous methylphenidate significantly increased dopamine in striatum (assessed as decreases in D{sub 2}/D{sub 3} receptor availability). In the ventral striatum, these dopamine increases were associated with the reductions in ratings of symptoms of inattention with clinical treatment. Statistical parametric mapping additionally showed dopamine increases in prefrontal and temporal cortices with intravenous methylphenidate that were also associated with decreases in symptoms of inattention. Our findings indicate that dopamine enhancement in ventral striatum (the brain region involved with reward and motivation) was associated with therapeutic response to methylphenidate, further corroborating the relevance of the dopamine reward/motivation circuitry in ADHD. It also provides preliminary evidence that methylphenidate-elicited dopamine increases in prefrontal and temporal cortices may also contribute to the clinical response.

Volkow N. D.; Wang G.; Volkow, N.D.; Wang, G.-J.; Tomasi, D.; Kollins, S.H.; Wigal, T.L.; Newcorn, J.H.; Telang, F.W.; Fowler, J.S.; Logan, J.; Wong, C.T.; Swanson, J.M.

2012-01-18T23:59:59.000Z

3

CALUTRON RECEIVER  

DOE Patents (OSTI)

An improved receiver and receiver mount for calutrons are described. The receiver can be manipulated from outside the tank by a single control to position it with respect to the beam. A door can be operated exteriorly also to prevent undesired portions of the beam from entering the receiver. The receiver has an improved pocket which is more selective in the ions collected. (T.R.H.)

Barnes, S.W.

1959-06-16T23:59:59.000Z

4

Radiation receiver  

DOE Patents (OSTI)

The apparatus for collecting radiant energy and converting same to alternate energy form includes a housing having an interior space and a radiation transparent window allowing, for example, solar radiation to be received in the interior space of the housing. Means are provided for passing a stream of fluid past said window and for injecting radiation absorbent particles in said fluid stream. The particles absorb the radiation and because of their very large surface area, quickly release the heat to the surrounding fluid stream. The fluid stream particle mixture is heated until the particles vaporize. The fluid stream is then allowed to expand in, for example, a gas turbine to produce mechanical energy. In an aspect of the present invention properly sized particles need not be vaporized prior to the entrance of the fluid stream into the turbine, as the particles will not damage the turbine blades. In yet another aspect of the invention, conventional fuel injectors are provided to inject fuel into the fluid stream to maintain the proper temperature and pressure of the fluid stream should the source of radiant energy be interrupted. In yet another aspect of the invention, an apparatus is provided which includes means for providing a hot fluid stream having hot particles disbursed therein which can radiate energy, means for providing a cooler fluid stream having cooler particles disbursed therein, which particles can absorb radiant energy and means for passing the hot fluid stream adjacent the cooler fluid stream to warm the cooler fluid and cooler particles by the radiation from the hot fluid and hot particles. 5 figs.

Hunt, A.J.

1983-09-13T23:59:59.000Z

5

Radiation receiver  

SciTech Connect

The apparatus for collecting radiant energy and converting same to alternate energy form includes a housing having an interior space and a radiation transparent window allowing, for example, solar radiation to be received in the interior space of the housing. Means are provided for passing a stream of fluid past said window and for injecting radiation absorbent particles in said fluid stream. The particles absorb the radiation and because of their very large surface area, quickly release the heat to the surrounding fluid stream. The fluid stream particle mixture is heated until the particles vaporize. The fluid stream is then allowed to expand in, for example, a gas turbine to produce mechanical energy. In an aspect of the present invention properly sized particles need not be vaporized prior to the entrance of the fluid stream into the turbine, as the particles will not damage the turbine blades. In yet another aspect of the invention, conventional fuel injectors are provided to inject fuel into the fluid stream to maintain the proper temperature and pressure of the fluid stream should the source of radiant energy be interrupted. In yet another aspect of the invention, an apparatus is provided which includes means for providing a hot fluid stream having hot particles disbursed therein which can radiate energy, means for providing a cooler fluid stream having cooler particles disbursed therein, which particles can absorb radiant energy and means for passing the hot fluid stream adjacent the cooler fluid stream to warm the cooler fluid and cooler particles by the radiation from the hot fluid and hot particles.

Hunt, Arlon J. (Oakland, CA)

1983-01-01T23:59:59.000Z

6

Visual Attentive Interfaces  

Science Conference Proceedings (OSTI)

Context-aware human-computer interfaces that rely on a person's attention as the primary input can be called attentive interfaces. Attention is epitomised by eye contact — eyes are not only scanning devices, they are constantly making social commentary ...

T. Selker

2004-10-01T23:59:59.000Z

7

Increased Variability in Cold-Season Temperature since the 1930s in Subtropical China  

Science Conference Proceedings (OSTI)

The recent increase in the frequency of winter cold extremes has received particular attention in light of the climate's warming. Knowledge about changes in the frequency of winter cold extremes requires long-term climate data over large spatial ...

Jianping Duan; Qi-bin Zhang; Li-Xin Lv

2013-07-01T23:59:59.000Z

8

Solar heat receiver  

DOE Patents (OSTI)

A receiver for converting solar energy to heat a gas to temperatures from 700.degree.-900.degree. C. The receiver is formed to minimize impingement of radiation on the walls and to provide maximum heating at and near the entry of the gas exit. Also, the receiver is formed to provide controlled movement of the gas to be heated to minimize wall temperatures. The receiver is designed for use with gas containing fine heat absorbing particles, such as carbon particles.

Hunt, Arlon J. (Oakland, CA); Hansen, Leif J. (Berkeley, CA); Evans, David B. (Orinda, CA)

1985-01-01T23:59:59.000Z

9

Solar heat receiver  

DOE Patents (OSTI)

A receiver is described for converting solar energy to heat a gas to temperatures from 700 to 900/sup 0/C. The receiver is formed to minimize impingement of radiation on the walls and to provide maximum heating at and near the entry of the gas exit. Also, the receiver is formed to provide controlled movement of the gas to be heated to minimize wall temperatures. The receiver is designed for use with gas containing fine heat absorbing particles, such as carbon particles.

Hunt, A.J.; Hansen, L.J.; Evans, D.B.

1982-09-29T23:59:59.000Z

10

Ceramic solar receivers  

DOE Green Energy (OSTI)

The application of ceramic materials to high temperature solar receivers for advanced Brayton and advanced Stirling thermal electric systems is discussed. Conceptual designs for ceramic cavity receivers employing impingement jet-cooled, dome-shaped silicon carbide heat exchanger modules are offered. Optical, mechanical, heat transfer and structural analyses of this novel receiver approach are presented.

Jarvinen, P. O.

1979-01-01T23:59:59.000Z

11

Highly sensitive wide-dynamic range optical burst-mode receivers for ultra fast gain switching  

Science Conference Proceedings (OSTI)

Highly sensitive optical receivers in BiCMOS, sub-micron and deep-sub-micron CMOS technology are compared. Special attention is paid to burst-mode receivers with a wide-dynamic input range and with fast gain switching. A new burst-mode receiver design ... Keywords: Burst-mode receivers, Low noise, Optical receivers, Stability

K. Schneider; H. Zimmermann

2006-10-01T23:59:59.000Z

12

NETL Researchers Receive  

NLE Websites -- All DOE Office Websites (Extended Search)

1, Issue 20 1, Issue 20 the lab NETL Researchers Receive 2010 R&D 100 Awards page 2 NETL Employees Receive USGS Director's Award for Exemplary Service to the Nation page 3 Exciting New Raman Gas Sensor System page 5 NETLOG is a quarterly newsletter, which highlights recent achievements and ongoing research at NETL. Any comments or suggestions, please contact Paula Turner at paula.turner@netl.doe.gov or call 541-967-5966. R&D 100 award recipients Paul Jablonski and David Alman at the black tie ceremony on November 11 in Orlando. CONTENTS NETL Researchers Receive 2010 R&D 100 Awards _______ 2 NETL Employees Receive USGS Director's Award for Exemplary Service to the Nation _____________________ 3 NETL Develops Smart Drilling Fluids ____________________

13

Shipping and Receiving  

NLE Websites -- All DOE Office Websites (Extended Search)

Shipping and Receiving Print Shipping and Receiving Print On this page: Transport Policy Shipping to the ALS Shipping from the ALS Shipping Hazardous Materials Contacts: ALS Shipping & Receiving (small packages) LBNL Shipping & Receiving (large packages requiring forklift truck) Building 7 Hours: M-F, 7:30 am-4:30 pm Telephone: 510 486 4494 Building 69 Hours: M-F, 7:00 am-3:30 pm Telephone: 510 486 4935 Fax: 510 486 5668 Transport Policy - Getting Your Samples and Equipment to and from the ALS All Lab personnel, including ALS staff and users, must follow the procedures detailed below for packing, labeling, and sending shipments to or from the ALS. These shipping procedures are required for: all materials and equipment brought to the ALS; items that are being returned for repairs or refunds to

14

Solar energy receiver  

DOE Patents (OSTI)

An improved long-life design for solar energy receivers provides for greatly reduced thermally induced stress and permits the utilization of less expensive heat exchanger materials while maintaining receiver efficiencies in excess of 85% without undue expenditure of energy to circulate the working fluid. In one embodiment, the flow index for the receiver is first set as close as practical to a value such that the Graetz number yields the optimal heat transfer coefficient per unit of pumping energy, in this case, 6. The convective index for the receiver is then set as closely as practical to two times the flow index so as to obtain optimal efficiency per unit mass of material.

Schwartz, Jacob (Arlington, MA)

1978-01-01T23:59:59.000Z

15

Lab receives OPCW recertification  

NLE Websites -- All DOE Office Websites (Extended Search)

Vu, and Audrey Williams. In 2011, LLNL, as well as the laboratories from Spain and Poland, received "C" grades that weren't based on technical issues, but were mainly based on...

16

Central solar energy receiver  

DOE Patents (OSTI)

An improved tower-mounted central solar energy receiver for heating air drawn through the receiver by an induced draft fan. A number of vertically oriented, energy absorbing, fin-shaped slats are radially arranged in a number of concentric cylindrical arrays on top of the tower coaxially surrounding a pipe having air holes through which the fan draws air which is heated by the slats which receive the solar radiation from a heliostat field. A number of vertically oriented and wedge-shaped columns are radially arranged in a number of concentric cylindrical clusters surrounding the slat arrays. The columns have two mirror-reflecting sides to reflect radiation into the slat arrays and one energy absorbing side to reduce reradiation and reflection from the slat arrays.

Drost, M. Kevin (Richland, WA)

1983-01-01T23:59:59.000Z

17

Multichannel homodyne receiver  

DOE Patents (OSTI)

A homodyne radar transmitter/receiver device which produces a single combined output which contains modulated backscatter information for all phase conditions of both modulated and unmodulated backscatter signals is described. The device utilizes taps along coaxial transmission lines, strip transmission line, and waveguides which are spaced by 1/8 wavelength or 1/6 wavelength, etc. This greatly reduces costs by eliminating separate transmission and reception antennas and an expensive arrangement of power splitters and mixers utilized in the prior art.

Landt, J.A.

1981-01-19T23:59:59.000Z

18

Multichannel homodyne receiver  

DOE Patents (OSTI)

A homodyne radar transmitter/receiver device which produces a single combined output which contains modulated backscatter information for all phase conditions of both modulated and unmodulated backscatter signals. The device utilizes taps along coaxial transmission lines, strip transmission line, and waveguides which are spaced by 1/8 wavelength or 1/6 wavelength, etc. This greatly reduces costs by eliminating separate transmission and reception antennas and an expensive arrangement of power splitters and mixers utilized in the prior art.

Landt, Jeremy A. (Los Alamos, NM)

1982-01-01T23:59:59.000Z

19

Persistence and Success in the Attention Economy  

E-Print Network (OSTI)

A hallmark of the attention economy is the competition for the attention of others. Thus people persistently upload content to social media sites, hoping for the highly unlikely outcome of topping the charts and reaching a wide audience. And yet, an analysis of the production histories and success dynamics of 10 million videos from \\texttt{YouTube} revealed that the more frequently an individual uploads content the less likely it is that it will reach a success threshold. This paradoxical result is further compounded by the fact that the average quality of submissions does increase with the number of uploads, with the likelihood of success less than that of playing a lottery.

Wu, Fang

2009-01-01T23:59:59.000Z

20

WIPP Receives Top Safety Award  

NLE Websites -- All DOE Office Websites (Extended Search)

WIPP Receives Top Safety Award CARLSBAD, N.M., November 10, 2011 - The U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP) received top accolades from New...

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

High-temperature ceramic receivers  

DOE Green Energy (OSTI)

An advanced ceramic dome cavity receiver is discussed which heats pressurized gas to temperatures above 1800/sup 0/F (1000/sup 0/C) for use in solar Brayton power systems of the dispersed receiver/dish or central receiver type. Optical, heat transfer, structural, and ceramic material design aspects of the receiver are reported and the development and experimental demonstration of a high-temperature seal between the pressurized gas and the high-temperature silicon carbide dome material is described.

Jarvinen, P. O.

1980-01-01T23:59:59.000Z

22

Characterization of Advanced Avalanche Photodiodes for Water Vapor Lidar Receivers  

Science Conference Proceedings (OSTI)

Development of advanced differential absorption lidar (DIAL) receivers is very important to increase the accuracy of atmospheric water vapor measurements. A major component of such receivers is the optical detector. In the near-infrared wavelength range ...

Refaat Tamer F.; Halama Gary E.; DeYoung Russell J.

2000-07-01T23:59:59.000Z

23

Ceramic dome receiver technology developments  

DOE Green Energy (OSTI)

The development and experimental demonstration of a high-temperature seal for the SHARE ceramic dome cavity receiver is reported. The mechanical contact seal which was tested on one-foot-diameter silicon-carbide ceramic-dome hardware at pressure differentials to four atmospheres and dome temperatures to 2200/sup 0/F (1200/sup 0/C) showed negligible leakage at expected receiver operating conditions. Potential solar receiver applications for the technology are illustrated.

Jarvinen, P. O.

1980-01-01T23:59:59.000Z

24

Desjarlais received Lifetime Achievement Award  

NLE Websites -- All DOE Office Websites (Extended Search)

Andr Desjarlais received a Lifetime Achievement Award from the Polyisocyanurate Insulation Manufacturers Association (PIMA) during the group's 25th Anniversary celebration...

25

Nanofluid-based receivers for high-temperature, high-flux direct solar collectors  

E-Print Network (OSTI)

Solar power plants with surface receivers have low overall energy conversion efficiencies due to large emissive losses at high temperatures. Alternatively, volumetric receivers promise increased performance because solar ...

Lenert, Andrej

2010-01-01T23:59:59.000Z

26

CBFO Manager Receives ESGR Award  

NLE Websites -- All DOE Office Websites (Extended Search)

U.S. Department of Energy Carlsbad Field Office Waste Isolation Pilot Plant P.O. Box 3090 Carlsbad, New Mexico 88221 For Immediate Release CBFO Manager Receives ESGR Honor...

27

Receiver for solar-energy collector having improved aperture aspect  

DOE Patents (OSTI)

A secondary concentrator for use in receiver systems for linear focusing primary concentrators is provided with reflector wings at each end. The wings increase the capture of light rays reflected from areas adjacent the rim of a primary concentrator, increasing the apparent aperture size of the receiver as viewed from the rim of the primary concentrator. The length, tilt, and curvature of the wing reflectors can be adjusted to provide a receiver having a desired aperture aspect.

McIntire, W.R.

1981-03-13T23:59:59.000Z

28

Central solar-energy receiver  

DOE Patents (OSTI)

An improved tower-mounted central solar energy receiver for heating air drawn through the receiver by an induced draft fan is described. A number of vertically oriented, energy absorbing, fin-shaped slats are radially arranged in a number of concentric cylindrical arrays on top of the tower coaxially surrounding a pipe having air holes through which the fan draws air which is heated by the slats which receive the solar radiation from a heliostat field. A number of vertically oriented and wedge-shaped columns are radially arranged in a number of concentric cylindrical clusters surrounding the slat arrays. The columns have two mirror-reflecting sides to reflect radiation into the slat arrays and one energy absorbing side to reduce reradiation and reflection from the slat arrays.

Not Available

1981-10-27T23:59:59.000Z

29

UWB communication receiver feedback loop  

DOE Patents (OSTI)

A novel technique and structure that maximizes the extraction of information from reference pulses for UWB-TR receivers is introduced. The scheme efficiently processes an incoming signal to suppress different types of UWB as well as non-UWB interference prior to signal detection. Such a method and system adds a feedback loop mechanism to enhance the signal-to-noise ratio of reference pulses in a conventional TR receiver. Moreover, sampling the second order statistical function such as, for example, the autocorrelation function (ACF) of the received signal and matching it to the ACF samples of the original pulses for each transmitted bit provides a more robust UWB communications method and system in the presence of channel distortions.

Spiridon, Alex (Palo Alto, CA); Benzel, Dave (Livermore, CA); Dowla, Farid U. (Castro Valley, CA); Nekoogar, Faranak (San Ramon, CA); Rosenbury, Erwin T. (Castro Valley, CA)

2007-12-04T23:59:59.000Z

30

FPGA side-channel receivers  

Science Conference Proceedings (OSTI)

The popularity of FPGAs is rapidly growing due to the unique advantages that they offer. However, their distinctive features also raise new questions concerning the security and communication capabilities of an FPGA-based hardware platform. In this paper, ... Keywords: ddr2, fpga, i2c, phase shift, side-channel receiver, thermal

Ji Sun; Ray Bittner; Ken Eguro

2011-02-01T23:59:59.000Z

31

RFID receiver apparatus and method  

DOE Patents (OSTI)

An RFID backscatter interrogator for transmitting data to an RFID tag, generating a carrier for the tag, and receiving data from the tag modulated onto the carrier, the interrogator including a single grounded-coplanar wave-guide circuit board and at least one surface mount integrated circuit supported by the circuit board.

Scott, Jeffrey Wayne (Pasco, WA)

2006-12-26T23:59:59.000Z

32

Mechanism of Hydrogen Formation in Solar Parabolic Trough Receivers  

SciTech Connect

Solar parabolic trough systems for electricity production are receiving renewed attention, and new solar plants are under construction to help meet the growing demands of the power market in the Western United States. The growing solar trough industry will rely on operating experience it has gained over the last two decades. Recently, researchers found that trough plants that use organic heat transfer fluids (HTF) such as Therminol VP-1 are experiencing significant heat losses in the receiver tubes. The cause has been traced back to the accumulation of excess hydrogen gas in the vacuum annulus that surrounds the steel receiver tube, thus compromising the thermal insulation of the receiver. The hydrogen gas is formed during the thermal decomposition of the organic HTF that circulates inside the receiver loop, and the installation of hydrogen getters inside the annulus has proven to be insufficient for controlling the hydrogen build-up over the lifetime of the receivers. This paper will provide an overview of the chemical literature dealing with the thermal decomposition of diphenyl oxide and biphenyl, the two constituents of Therminol VP-1.

Moens, L.; Blake, D. M.

2008-03-01T23:59:59.000Z

33

Commander, Seneca Army Depot Attention: Thomas Stincic, Safety Officer  

Office of Legacy Management (LM)

9 1986 9 1986 Department of Energy Washington, D .C. 20545 . Commander, Seneca Army Depot Attention: Thomas Stincic, Safety Officer Romulus, New York 14541 Dear Mr. Stincic: As you are aware, the Department of Energy is evaluating the radiological condition of sites formerly used by Department predecessors during the early years of nuclear energy development , and a portion of the Seneca Army Depot was identified as one such site. While our preliminary inves-tiga- tions did identify residual radioactive material on the site, it is our understanding that the Department of Army assumed responsibility for this residual radioactivity and has completed remedial action. We have not received a final report of this work and would appreciate receiving a copy

34

Radiant energy receiver having improved coolant flow control means  

DOE Patents (OSTI)

An improved coolant flow control for use in radiant energy receivers of the type having parallel flow paths is disclosed. A coolant performs as a temperature dependent valve means, increasing flow in the warmer flow paths of the receiver, and impeding flow in the cooler paths of the receiver. The coolant has a negative temperature coefficient of viscosity which is high enough such that only an insignificant flow through the receiver is experienced at the minimum operating temperature of the receiver, and such that a maximum flow is experienced at the maximum operating temperature of the receiver. The valving is accomplished by changes in viscosity of the coolant in response to the coolant being heated and cooled. No remotely operated valves, comparators or the like are needed.

Hinterberger, H.

1980-10-29T23:59:59.000Z

35

Tubular well tool receiving conduit  

SciTech Connect

In combination, a well packer and a tubular well tool receiving conduit are described which consists of: a well packer having an expandable and retractable anchoring teeth and an expandable and retractable seal spaced from the anchoring teeth, a tubular well conduit including, a first plurality of circularly extending grooves on the inside of the conduit for coacting with the anchoring teeth for supporting the well tool in the conduit, a second plurality of circularly extending grooves on the inside of the conduit and positioned for coacting with the expandable seal for providing multiple seal points with the seal.

Durst, D.G.; Morris, A.J.

1986-07-15T23:59:59.000Z

36

Repository receiving facility design support  

Science Conference Proceedings (OSTI)

This report provides preliminary design criteria and proposed design features to reduce the occupational radiation exposure and the transportation turnaround time during receipt of waste shipments at a Federal high-level nuclear waste repository. A cost/benefit analysis is provided. Much of the data presented in previous reports was revised and upgraded to reflect current estimates of waste generation/receipt volumes so as to provide a baseline comparison case for the cost/benefit analysis. The National Waste Repository in Basalt receiving facility operational manpower requirements, estimated occupational dose exposures and capital cost estimates were revised by scaling factors based on the volume receipts. All capital cost estimates were expressed in terms of 1983 dollars. The repository receiving facility was divided into two main areas. The cask handling facility for unloading shipments of spent fuel high-level vitrified wastes and spent fuel cladding hulls, and the TRU-waste handling facility for unloading 55-, 80-, and 600-drum shipments. In both areas, remote handling techniques were employed as much as practical. Occupational dose estimates were formulated based on an operational time and motion survey for truck and rail shipping packages and reference dose maps for each corresponding package. 9 references, 5 figures, 22 tables.

Cottrell, J.E.; Dabolt, R.J.; Steneck, P.D.

1983-07-01T23:59:59.000Z

37

An empirical framework to control human attention by robot  

Science Conference Proceedings (OSTI)

Human attention control simply means that the shifting of one's attention from one direction to another. To shift someone's attention, gaining attention and meeting gaze are two most important pre-requisites. If a person would like to communicate with ...

Mohammed Moshiul Hoque; Tomami Onuki; Emi Tsuburaya; Yoshinori Kobayashi; Yoshinori Kuno; Takayuki Sato; Sachiko Kodama

2010-11-01T23:59:59.000Z

38

Attention as a Bayesian inference process  

E-Print Network (OSTI)

David Marr famously defined vision as "knowing what is where by seeing". In the framework described here, attention is the inference process that solves the visual recognition problem of what is where. The theory proposes ...

Chikkerur, Sharat

39

SLAC National Accelerator Laboratory - SLAC Physicist Receives...  

NLE Websites -- All DOE Office Websites (Extended Search)

Receives Free-electron Laser Award By Glenn Roberts Jr. September 10, 2013 Dao Xiang, a SLAC accelerator physicist, has received an international award for his work on a technique...

40

Trough Receiver Heat Loss Testing (Presentation)  

DOE Green Energy (OSTI)

This presentation describes the design, fabrication, and qualification of an experimental capability for thermal loss testing of full-size trough receiver elements; and the testing on a variety of receivers.

Lewandowski, A.; Feik, C.; Hansen, R.; Phillips, S.; Bingham, C.; Netter, J.; Forristal, R.; Burkholder, F.; Meglan, B.; Wolfrum, E.

2006-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

ITL Staff Members Receive Tech Transfer Award  

Science Conference Proceedings (OSTI)

ITL Staff Members Receive Tech Transfer Award. ... Regional "Excellence in Technology Transfer" Award for ... the process of transferring a technology ...

2010-10-05T23:59:59.000Z

42

Information optimization of distributed net of receivers of acoustic noise type signals  

Science Conference Proceedings (OSTI)

The method for information optimization of distributed net of receivers of acoustic noise type signals is suggested. It is shown, that the network of optimal construction may be represented as sum of groups, containing increasing number of acoustic receiver ...

H. H. Asadov; N. A. Abdullayev; E. A. Ibrahimov; V. M. Garayev; E. Abbaszadeh

2010-09-01T23:59:59.000Z

43

SunShot Initiative: Receiver R&D for CSP Systems  

NLE Websites -- All DOE Office Websites (Extended Search)

Receiver R&D for CSP Systems to Receiver R&D for CSP Systems to someone by E-mail Share SunShot Initiative: Receiver R&D for CSP Systems on Facebook Tweet about SunShot Initiative: Receiver R&D for CSP Systems on Twitter Bookmark SunShot Initiative: Receiver R&D for CSP Systems on Google Bookmark SunShot Initiative: Receiver R&D for CSP Systems on Delicious Rank SunShot Initiative: Receiver R&D for CSP Systems on Digg Find More places to share SunShot Initiative: Receiver R&D for CSP Systems on AddThis.com... Concentrating Solar Power Systems Components Collectors Receivers Power Block Thermal Storage Systems Analysis Competitive Awards Staff Photovoltaics Systems Integration Balance of Systems Receiver R&D for CSP Systems The DOE SunShot CSP Program aims to significantly increase operating

44

Shipping and Receiving | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Services » Employee Services » Facility Operations » Shipping Services » Employee Services » Facility Operations » Shipping and Receiving Shipping and Receiving Headquarters Receiving Services Information It is our responsibility to get your package to you as quickly as possibly. In order to accomplish this, we must first receive it. However, it is difficult to receive your package if it arrives without being properly addressed. When placing orders with commercial vendors, it is imperative that you let them know the addressees name, mail stop code, room number, location (Forrestal or Germantown) and the address. This information will allow us to receive your order and not reject it. It will also help if you would provide our office with a copy of your purchase order which will assist us in efficiently receiving your order and getting it to you.

45

Analysis of the omnium-g receiver  

DOE Green Energy (OSTI)

A thermal analysis of the Omnium-G receiver is presented and the technique is shown to be generally applicable to solar thermal receivers utilizing a directly heated thermal mass. The thermal loss coefficient, including reradiation losses, is calculated and shown to agree quite well with the experimentally measured thermal loss coefficient. The rate of heat transfer to the working fluid is also analyzed and the analysis is used to show that the Omnium-G receiver is well matched to the water/steam working fluid because the steam outlet temperature is almost the same as the receiver temperature. A general procedure for calculating receiver performance is presented. With this procedure, the energy delivery to any working fluid, the delivered temperature of the working fluid, and the pressure drop through the receiver can be determined. An example of the calculation is also presented.

Bohn, M.

1980-03-01T23:59:59.000Z

46

Attention Wells Fargo and Wachovia customers  

E-Print Network (OSTI)

Attention Wells Fargo and Wachovia customers Are you a Wells Fargo or Wachovia mortgage customer Angeles, CA March , & : am to : pm You'll personally meet with a Wells Fargo representative who-inswelcomebutregistrationisrecommended. Wells Fargo Home Mortgage is a division of Wells Fargo Bank, N.A. Wells Fargo Bank, N.A. All rights

Southern California, University of

47

Strategic Petroleum Reserve Receives Prestigious Environmental Award |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Strategic Petroleum Reserve Receives Prestigious Environmental Strategic Petroleum Reserve Receives Prestigious Environmental Award Strategic Petroleum Reserve Receives Prestigious Environmental Award September 22, 2009 - 1:00pm Addthis Washington, DC - The Department of Energy's Office of Fossil Energy (FE) announced today that the Strategic Petroleum Reserve (SPR) has received the Most Valuable Pollution Prevention Project (MVP2) award from the National Pollution Prevention Roundtable for lowering potential greenhouse gas emissions. This is the first time the SPR has captured the award for its commitment to pollution prevention, focusing on innovation, measurable results, transferability, commitment, and optimization of available project resources. "This is another example of the hard work and dedication by employees at

48

Strategic Petroleum Reserve Receives Prestigious Environmental Award |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Strategic Petroleum Reserve Receives Prestigious Environmental Strategic Petroleum Reserve Receives Prestigious Environmental Award Strategic Petroleum Reserve Receives Prestigious Environmental Award September 22, 2009 - 1:00pm Addthis Washington, DC - The Department of Energy's Office of Fossil Energy (FE) announced today that the Strategic Petroleum Reserve (SPR) has received the Most Valuable Pollution Prevention Project (MVP2) award from the National Pollution Prevention Roundtable for lowering potential greenhouse gas emissions. This is the first time the SPR has captured the award for its commitment to pollution prevention, focusing on innovation, measurable results, transferability, commitment, and optimization of available project resources. "This is another example of the hard work and dedication by employees at

49

Substance abuse differences among students receiving special ...  

Science Conference Proceedings (OSTI)

abilities to cope with daily pressures and extended social environ- ments like schools. Typically, children and youth receiving special ed- ucation school services ...

50

Receiver System: Lessons Learned From Solar Two  

DOE Green Energy (OSTI)

The Boeing Company fabricated the Solar Two receiver as a subcontractor for the Solar Two project. The receiver absorbed sunlight reflected from the heliostat field. A molten-nitrate-salt heat transfer fluid was pumped from a storage tank at grade level, heated from 290 to 565 C by the receiver mounted on top of a tower, then flowed back down into another storage tank. To make electricity, the hot salt was pumped through a steam generator to produce steam that powered a conventional Rankine steam turbine/generator. This evaluation identifies the most significant Solar Two receiver system lessons learned from the Mechanical Design, Instrumentation and Control, Panel Fabrication, Site Construction, Receiver System Operation, and Management from the perspective of the receiver designer/manufacturer. The lessons learned on the receiver system described here consist of two parts: the Problem and one or more identified Solutions. The appendix summarizes an inspection of the advanced receiver panel developed by Boeing that was installed and operated in the Solar Two receiver.

LITWIN, ROBERT Z.; PACHECO, JAMES E.

2002-03-01T23:59:59.000Z

51

Predictive modeling for collections of accounts receivable  

Science Conference Proceedings (OSTI)

It is commonly agreed that accounts receivable (AR) can be a source of financial difficulty for firms when they are not efficiently managed and are underperforming. Experience across multiple industries shows that effective management of AR and overall ... Keywords: accounts receivable, invoice to cash, knowledge discovery, order to cash, payment collection, predictive modeling

Sai Zeng; Ioana Boier-Martin; Prem Melville; Conrad Murphy; Christian A. Lang

2007-08-01T23:59:59.000Z

52

Liquid cooled fiber thermal radiation receiver  

DOE Patents (OSTI)

A radiation-to-thermal receiver apparatus for collecting radiation and converting it to thermal energy is disclosed. The invention includes a fibrous mat material which captures radiation striking the receiver. Captured radiation is removed from the fibrous mat material by a transparent fluid within which the material is bathed.

Butler, B.L.

1985-03-29T23:59:59.000Z

53

Liquid cooled fiber thermal radiation receiver  

DOE Patents (OSTI)

A radiation-to-thermal receiver apparatus for collecting radiation and converting it to thermal energy is disclosed. The invention includes a fibrous mat material which captures radiation striking the receiver. Captured radiation is removed from the fibrous mat material by a transparent fluid within which the material is bathed.

Butler, Barry L. (Del Mar, CA)

1987-01-01T23:59:59.000Z

54

Receiver for solar energy collector having improved aperture aspect  

DOE Patents (OSTI)

A secondary concentrator for use in receiver systems for linear focusing primary concentrators is provided with reflector wings at each end. The wings increase the capture of light rays reflected from areas adjacent the rim of a primary concentrator, increasing the apparent aperture size of the absorber as viewed from the rim of the primary concentrator. The length, tilt, and curvature of the wing reflectors can be adjusted to provide an absorber having a desired aperture aspect.

McIntire, William R. (Downers Grove, IL)

1984-01-01T23:59:59.000Z

55

Progress in solar thermal distributed receiver technology  

DOE Green Energy (OSTI)

The author reports the status of research on distributed receivers, which are solar thermal collectors which concentrate sunlight on an absorber and do not employ the central receiver concept. Point-focusing collectors such as the parabolic dish, line-focusing collectors such as the parabolic trough, and the fixed-mirror distributed-focus of hemispheric bowl collectors are the most common receivers. Following an overview of fundamental principals, there is a description of several installations and of the organic Rankine Cycle engine and the Solarized Automotive Gas Turbine projects. Future development will explore other types of power cycles, new materials, and other components and designs. 5 references, 6 figures.

Leonard, J.A.; Otts, J.V.

1985-08-01T23:59:59.000Z

56

Thirteen States Receive Energy Department Awards to Drive Greater Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

States Receive Energy Department Awards to Drive Greater States Receive Energy Department Awards to Drive Greater Energy Efficiency, Save Money Thirteen States Receive Energy Department Awards to Drive Greater Energy Efficiency, Save Money November 26, 2013 - 2:44pm Addthis News Media Contact (202) 586-4940 WASHINGTON - Building on the Obama Administration's efforts to double energy productivity by 2030 and help communities save on energy bills, the Energy Department today awarded nearly $4 million to 13 states to increase statewide energy savings and boost the energy efficiency of public institutions, local governments and industrial sectors. The Department's State Energy Program has a long history in assisting states in saving energy and deploying new clean energy technologies. "Smart, cost-effective investments in energy efficiency are helping

57

WIPP Receives Top Mine Safety Award  

NLE Websites -- All DOE Office Websites (Extended Search)

September 18, 2013 - The U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP) received top safety honors from the New Mexico Bureau of Mine Safety (BMS) and the New...

58

Atmospheric considerations for central receiver power plants  

DOE Green Energy (OSTI)

This report documents the results of a study of the effects of atmospheric attenuation, turbulent scattering, and the use of cooling towers on the performance of solar thermal central receiver power plants.

Henderson, R.G.; Pitter, R.L.

1979-06-01T23:59:59.000Z

59

One Video Stream to Serve Diverse Receivers  

E-Print Network (OSTI)

The fundamental problem of wireless video multicast is to scalably serve multiple receivers which may have very different channel characteristics. Ideally, one would like to broadcast a single stream that allows each ...

Woo, Grace

2008-10-18T23:59:59.000Z

60

EM Field Office Manager Receives Military Honor  

Energy.gov (U.S. Department of Energy (DOE))

EM Carlsbad Field Office (CBFO) Manager Joe Franco receives the Employer Support of the Guard and Reserve (ESGR) Seven Seals Award in June at a ESGR recognition event in Carlsbad, N.M.

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

A handbook for solar central receiver design  

DOE Green Energy (OSTI)

This Handbook describes central receiver technology for solar thermal power plants. It contains a description and assessment of the major components in a central receiver system configured for utility scale production of electricity using Rankine-cycle steam turbines. It also describes procedures to size and optimize a plant and discussed examples from recent system analyses. Information concerning site selection criteria, cost estimation, construction, and operation and maintenance is also included, which should enable readers to perform design analyses for specific applications.

Falcone, P.K.

1986-12-01T23:59:59.000Z

62

Low-temperature volumetric receiver concept  

SciTech Connect

This document describes an alternative solar central receiver concept that offers the potential for a substantial reduction in the cost of electrical energy. The concept consists of a low temperature volumetric receiver which supplies 1100/degree/F air to a Kalina cycle heat engine. Hot air can also be supplied to a packed bed of Dresser basalt where the hot air is used to heat the bed. The thermal energy stored in the bed can be extracted and supplied to the Kalina cycle during periods of low insolation. Previous investigations of the volumetric receiver concentrated on high temperature applications. The results showed that the volumetric concept could be very efficient, but the receiver was expensive and there were significant technical problems. Areas of technical uncertainty included fiber durability, the feasibility of inducing a preswirl and cost effective applications. The use of the volumetric receiver to produce low temperature will avoid the problems identified in the high temperature studies. The attractiveness of the low temperature concept is enhanced by the availability of the Kalina cycle. This heat engine was developed as a bottoming cycle for Brayton and Rankine cycle power plants. The key feature of the Kalina cycle is its ability to efficiently utilize the energy in a relatively low temperature heat source. The combination of the low temperature volumetric receiver and the Kalina cycle is particularly interesting. 7 refs., 2 figs., 3 tabs.

Drost, M.K.

1988-09-01T23:59:59.000Z

63

Los Alamos National Laboratory employees receive Pollution Prevention...  

NLE Websites -- All DOE Office Websites (Extended Search)

Employees receive Pollution Prevention awards Los Alamos National Laboratory employees receive Pollution Prevention awards Nearly 400 employees on 47 teams received Pollution...

64

Los Alamos National Laboratory employees receive Pollution Prevention...  

NLE Websites -- All DOE Office Websites (Extended Search)

Employees Receive Pollution Prevention Awards Los Alamos National Laboratory employees receive Pollution Prevention Awards Nearly 400 employees on 47 teams received Pollution...

65

Liquid cooled, linear focus solar cell receiver  

DOE Patents (OSTI)

Separate structures for electrical insulation and thermal conduction are established within a liquid cooled, linear focus solar cell receiver for use with parabolic or Fresnel optical concentrators. The receiver includes a V-shaped aluminum extrusion having a pair of outer faces each formed with a channel receiving a string of solar cells in thermal contact with the extrusion. Each cell string is attached to a continuous glass cover secured within the channel with spring clips to isolate the string from the external environment. Repair or replacement of solar cells is effected simply by detaching the spring clips to remove the cover/cell assembly without interrupting circulation of coolant fluid through the receiver. The lower surface of the channel in thermal contact with the cells of the string is anodized to establish a suitable standoff voltage capability between the cells and the extrusion. Primary electrical insulation is provided by a dielectric tape disposed between the coolant tube and extrusion. Adjacent solar cells are soldered to interconnect members designed to accommodate thermal expansion and mismatches. The coolant tube is clamped into the extrusion channel with a releasably attachable clamping strip to facilitate easy removal of the receiver from the coolant circuit.

Kirpich, A.S.

1983-12-08T23:59:59.000Z

66

Liquid cooled, linear focus solar cell receiver  

DOE Patents (OSTI)

Separate structures for electrical insulation and thermal conduction are established within a liquid cooled, linear focus solar cell receiver for use with parabolic or Fresnel optical concentrators. The receiver includes a V-shaped aluminum extrusion having a pair of outer faces each formed with a channel receiving a string of solar cells in thermal contact with the extrusion. Each cell string is attached to a continuous glass cover secured within the channel with spring clips to isolate the string from the external environment. Repair or replacement of solar cells is effected simply by detaching the spring clips to remove the cover/cell assembly without interrupting circulation of coolant fluid through the receiver. The lower surface of the channel in thermal contact with the cells of the string is anodized to establish a suitable standoff voltage capability between the cells and the extrusion. Primary electrical insulation is provided by a dielectric tape disposed between the coolant tube and extrusion. Adjacent solar cells are soldered to interconnect members designed to accommodate thermal expansion and mismatches. The coolant tube is clamped into the extrusion channel with a releasably attachable clamping strip to facilitate easy removal of the receiver from the coolant circuit.

Kirpich, Aaron S. (Broomall, PA)

1985-01-01T23:59:59.000Z

67

Dish/stirling hybrid-receiver  

DOE Green Energy (OSTI)

A hybrid high-temperature solar receiver is provided which comprises a solar heat-pipe-receiver including a front dome having a solar absorber surface for receiving concentrated solar energy, a heat pipe wick, a rear dome, a sidewall joining the front and the rear dome, and a vapor and a return liquid tube connecting to an engine, and a fossil fuel fired combustion system in radial integration with the sidewall for simultaneous operation with the solar heat pipe receiver, the combustion system comprising an air and fuel pre-mixer, an outer cooling jacket for tangentially introducing and cooling the mixture, a recuperator for preheating the mixture, a burner plenum having an inner and an outer wall, a porous cylindrical metal matrix burner firing radially inward facing a sodium vapor sink, the mixture ignited downstream of the matrix forming combustion products, an exhaust plenum, a fossil-fuel heat-input surface having an outer surface covered with a pin-fin array, the combustion products flowing through the array to give up additional heat to the receiver, and an inner surface covered with an extension of the heat-pipe wick, a pin-fin shroud sealed to the burner and exhaust plenums, an end seal, a flue-gas diversion tube and a flue-gas valve for use at off-design conditions to limit the temperature of the pre-heated air and fuel mixture, preventing pre-ignition.

Mehos, Mark S. (Boulder, CO); Anselmo, Kenneth M. (Arvada, CO); Moreno, James B. (Albuquerque, NM); Andraka, Charles E. (Albuquerque, NM); Rawlinson, K. Scott (Albuquerque, NM); Corey, John (Melrose, NY); Bohn, Mark S. (Golden, CO)

2002-01-01T23:59:59.000Z

68

Heat Pipe Solar Receiver Development Activities at Sandia National Laboratories  

SciTech Connect

Over the past decade, Sandia National Laboratories has been involved in the development of receivers to transfer energy from the focus of a parabolic dish concentrator to the heater tubes of a Stirling engine. Through the isothermal evaporation and condensation of sodium. a heat-pipe receiver can efficiently transfer energy to an engine's working fluid and compensate for irregularities in the flux distribution that is delivered by the concentrator. The operation of the heat pipe is completely passive because the liquid sodium is distributed over the solar-heated surface by capillary pumping provided by a wick structure. Tests have shown that using a heat pipe can boost the system performance by twenty percent when compared to directly illuminating the engine heater tubes. Designing heat pipe solar receivers has presented several challenges. The relatively large area ({approximately}0.2 m{sup 2}) of the receiver surface makes it difficult to design a wick that can continuously provide liquid sodium to all regions of the heated surface. Selecting a wick structure with smaller pores will improve capillary pumping capabilities of the wick, but the small pores will restrict the flow of liquid and generate high pressure drops. Selecting a wick that is comprised of very tine filaments can increase the permeability of the wick and thereby reduce flow losses, however, the fine wick structure is more susceptible to corrosion and mechanical damage. This paper provides a comprehensive review of the issues encountered in the design of heat pipe solar receivers and solutions to problems that have arisen. Topics include: flow characterization in the receiver, the design of wick systems. the minimization of corrosion and dissolution of metals in sodium systems. and the prevention of mechanical failure in high porosity wick structures.

Adkins, D.R.; Andraka, C.E.; Moreno, J.B.; Moss, T.A.; Rawlinson, K.S.; Showalter, S.K.

1999-01-08T23:59:59.000Z

69

Heat Pipe Solar Receiver Development Activities at Sandia National Laboratories  

DOE Green Energy (OSTI)

Over the past decade, Sandia National Laboratories has been involved in the development of receivers to transfer energy from the focus of a parabolic dish concentrator to the heater tubes of a Stirling engine. Through the isothermal evaporation and condensation of sodium. a heat-pipe receiver can efficiently transfer energy to an engine's working fluid and compensate for irregularities in the flux distribution that is delivered by the concentrator. The operation of the heat pipe is completely passive because the liquid sodium is distributed over the solar-heated surface by capillary pumping provided by a wick structure. Tests have shown that using a heat pipe can boost the system performance by twenty percent when compared to directly illuminating the engine heater tubes. Designing heat pipe solar receivers has presented several challenges. The relatively large area ({approximately}0.2 m{sup 2}) of the receiver surface makes it difficult to design a wick that can continuously provide liquid sodium to all regions of the heated surface. Selecting a wick structure with smaller pores will improve capillary pumping capabilities of the wick, but the small pores will restrict the flow of liquid and generate high pressure drops. Selecting a wick that is comprised of very tine filaments can increase the permeability of the wick and thereby reduce flow losses, however, the fine wick structure is more susceptible to corrosion and mechanical damage. This paper provides a comprehensive review of the issues encountered in the design of heat pipe solar receivers and solutions to problems that have arisen. Topics include: flow characterization in the receiver, the design of wick systems. the minimization of corrosion and dissolution of metals in sodium systems. and the prevention of mechanical failure in high porosity wick structures.

Adkins, D.R.; Andraka, C.E.; Moreno, J.B.; Moss, T.A.; Rawlinson, K.S.; Showalter, S.K.

1999-01-08T23:59:59.000Z

70

Mudundi R. Raju receives Padma Shri award  

NLE Websites -- All DOE Office Websites (Extended Search)

Mudundi R. Raju receives Padma Shri award Mudundi R. Raju receives Padma Shri award Mudundi R. Raju receives Padma Shri award The government of India honored Mudundi Raju for his distinguished service in science and engineering, providing cancer radiation treatment to the poor of rural India. July 18, 2013 President of India Pranab Mukherjee presents the Padma Shri award to former Los Alamos National Laboratory scientist Mudundi Raju. President of India Pranab Mukherjee presents the Padma Shri award to former Los Alamos National Laboratory scientist Mudundi Raju. Contact Nancy Ambrosiano Communications Office (505) 667-0471 Email "The aim of science is to improve the human condition," said Nobel Laureate Ilya Prigogine, and Raju has taken this statement to heart. Los Alamos retiree brings medical advances to poor of India

71

Windowed versus windowless solar energy cavity receivers  

DOE Green Energy (OSTI)

A model for a windowed, high-temperature cavity receiver of the heated-air type is developed and used to evaluate the greenhouse effect as a method for obtaining high receiver operating efficiencies. The effects on receiver efficiency of varying the window cutoff wavelength, the amount of absorption in the window pass-band, the cavity operating temperature, and the number of windows are determined. Single windowed cavities are found to offer theoretical efficiencies comparable to windowless ones, while multiple windowed units are found to suffer from low operating efficiencies due to losses resulting from reflections at each window/air interface. A ''first order'' examination is made of the feasibility of air cooling the window to assure its survival. This appears possible if a proper combination of cooling technique and window material characteristics is selected.

Jarvinen, P. O.

1976-09-01T23:59:59.000Z

72

Solar Heat-Pipe Receiver Wick Modeling  

DOE Green Energy (OSTI)

Stirling-cycle engines have been identified as a promising technology for the conversion of concentrated solar energy into usable electrical power. In previous experimented work, we have demonstrated that a heat pipe receiver can significantly improve system performance-over a directly-illuminated heater head. The design and operating conditions of a heat pipe receiver differ significantly from typical laboratory heat pipes. New wick structures have been developed to exploit the characteristics of the solar generation system. Typically, these wick structures allow vapor generation within the wick. Conventional heat pipe models do not handle this enhancement yet it can more than double the performance of the wick. In this study, I develop a steady-state model of a boiling-enhanced wick for a solar heat pipe receiver. The model is used for design-point calculations and is written in FORTRAN90. Some limited comparisons have been made with actual test data.

Andraka, C.E.

1998-12-21T23:59:59.000Z

73

LM Receives Sustainability Award | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Receives Sustainability Award Receives Sustainability Award LM Receives Sustainability Award January 8, 2013 - 1:17pm Addthis Award ceremony (left to right): Melvin G. Williams, Jr., Associate Deputy Secretary, U.S. Department of Energy (DOE); Mary Sizemore, Environmental Management System (EMS) Coordinator, Office of Legacy Management (LM) contractor; Tracy Ribeiro, EMS Coordinator, LM; Tom Pauling, Director of Site Operations, LM; Dave Geiser, Director, LM; and Jennifer MacDonald, Director, Sustainability Performance Office, DOE. Award ceremony (left to right): Melvin G. Williams, Jr., Associate Deputy Secretary, U.S. Department of Energy (DOE); Mary Sizemore, Environmental Management System (EMS) Coordinator, Office of Legacy Management (LM) contractor; Tracy Ribeiro, EMS Coordinator, LM; Tom Pauling, Director of

74

Attention: Dr. D. S, Arnold Gentlemen:  

Office of Legacy Management (LM)

October 19, 1954 October 19, 1954 National Lead company of Ohio Poet Office bx 158 lbunt Reelthy station c1nc1nnati 31, Ohio i Attention: Dr. D. S, Arnold ( Gentlemen: Mr. Al Whitman telephoned October 15th for a price onanother s{ of Westport tests In which ~nlms diurenate would be calcined in a Solids test Reactor. This is to oonflm the wrk desired and the est outside cost to you given Mr. Whitman. We understand that you vould send two samples to us. The first be minus eight mesh pellets pmduced by you at Pernald and containing mately 3.4% P. The seaond sample would be aminus fortymesh Medm containing abut 8% F. For both samples you mated tw continuous x-u one batch ran. The batch xun was to be carried on for SIX hours, the runs for the time required to obtain equilibrium conditions and turn

75

What and Where: A Bayesian inference theory of visual attention  

E-Print Network (OSTI)

In the theoretical framework of this paper, attention is part of the inference process that solves the visual recognition problem of what is where. The theory proposes a computational role for attention and leads to a model ...

Chikkerur, Sharat

76

Learning of position-invariant object representation across attention shifts  

Science Conference Proceedings (OSTI)

Selective attention shift can help neural networks learn invariance. We describe a method that can produce a network with invariance to changes in visual input caused by attention shifts. Training of the network is controlled by signals associated with ...

Muhua Li; James J. Clark

2004-05-01T23:59:59.000Z

77

What and where : a Bayesian inference theory of visual attention  

E-Print Network (OSTI)

In the theoretical framework described in this thesis, attention is part of the inference process that solves the visual recognition problem of what is where. The theory proposes a computational role for attention and leads ...

Chikkerur, Sharat S

2010-01-01T23:59:59.000Z

78

Wind effects on convective heat loss from a cavity receiver for a parabolic concentrating solar collector  

DOE Green Energy (OSTI)

Tests were performed to determine the convective heat loss characteristics of a cavity receiver for a parabolid dish concentrating solar collector for various tilt angles and wind speeds of 0-24 mph. Natural (no wind) convective heat loss from the receiver is the highest for a horizontal receiver orientation and negligible with the reveler facing straight down. Convection from the receiver is substantially increased by the presence of side-on wind for all receiver tilt angles. For head-on wind, convective heat loss with the receiver facing straight down is approximately the same as that for side-on wind. Overall it was found that for wind speeds of 20--24 mph, convective heat loss from the receiver can be as much as three times that occurring without wind.

Ma, R.Y. [California State Polytechnic Univ., Pomoma, CA (United States). Dept. of Mechanical Engineering

1993-09-01T23:59:59.000Z

79

Attentiveness assessment in learning based on fuzzy logic analysis  

Science Conference Proceedings (OSTI)

Learner attention affects learning efficiency. However, in many classes, teachers cannot assess the degree of attention of every learner. When a teacher is capable of addressing inattentive learners immediately, he can avoid situations in which learners ... Keywords: Fuzzy logic, Image processing, Learner attention analysis

Kuo-An Hwang; Chia-Hao Yang

2009-04-01T23:59:59.000Z

80

Prepaid Services Full-time students receive  

E-Print Network (OSTI)

with a medical provider · Unlimited nutritional consultations with RD #12;Prepaid Services · Health education for student only #12;PUSH Services Allergy and Immunizations Laboratory Radiology Physical Therapy Sports#12;Prepaid Services Full-time students receive: · Unlimited visits to medical clinic to consult

Holland, Jeffrey

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Solar Central Receiver with an Irising Aperture  

E-Print Network (OSTI)

Variable sun elevation, azimuthal and declination angles with the time of day, and seasons of the year respectively, give variable projected image size defects produced by field site concave mirrors on the central cavity receiver's aperture entrance. If the aperture is small, it will be inefficient for periods when the solar isolation is inclined due to spillage. However, if the aperture is large, it will be inefficient for periods when the solar isolation is normal, due to excess heat radiation and convection losses. Thus, the fixed aperture area size is a compromise between ideal sizes for different conditions. The end result is a loss of efficiency as a function of time of day and seasons of the year. This research presents an approach to maximize the interception factor on the receiver entrance, with reducing the heat losses by radiation and convection through its aperture area. A central receiver system, having a down-looking cavity with an irises aperture is being proposed for application in rich environmental solar conditions, utilized solar flux insolation throughout the day on the city of Kuwait. Solar tower focusing collector with a cavity type receiver having a fixed area aperture at the entrance is presented for comparison with the proposed technique. This collector is proved to be less efficient than the suggested design. The isiring cavity receiver with a variable area aperture provides an approximately constant efficiency regardless of the time of day or season of the year. The end result is the proposed system shows improved performance and capability. However, over the life-time of installation these advantages of the proposed system should overweigh its disadvantages of additional cost due to extra automation.

Galal, T.; Kulaib, A. M.; Abuzaid, M.

2010-01-01T23:59:59.000Z

82

Investigation of cold filling receiver panels and piping in molten-nitrate-salt central-receiver solar power plants  

DOE Green Energy (OSTI)

Cold filling refers to flowing a fluid through piping or tubes that are at temperatures below the fluid`s freezing point. Since the piping and areas of the receiver in a molten-nitrate salt central-receiver solar power plant must be electrically heated to maintain their temperatures above the nitrate salt freezing point (430{degrees}F, 221{degrees}C), considerable energy could be used to maintain such temperatures during nightly shut down and bad weather. Experiments and analyses have been conducted to investigate cold filling receiver panels and piping as a way of reducing parasitic electrical power consumption and increasing the availability of the plant. The two major concerns with cold filling are: (1) how far can the molten salt penetrate cold piping before freezing closed and (2) what thermal stresses develop during the associated thermal shock. Cold fill experiments were conducted by flowing molten salt at 550{degrees}F (288{degrees}C) through cold panels, manifolds, and piping to determine the feasibility of cold filling the receiver and piping. The transient thermal responses were measured and heat transfer coefficients were calculated from the data. Nondimensional analysis is presented which quantifies the thermal stresses in a pipe or tube undergoing thermal shock. In addition, penetration distances were calculated to determine the distance salt could flow in cold pipes prior to freezing closed.

Pacheco, J.E.; Ralph, M.E.; Chavez, J.M.

1994-12-31T23:59:59.000Z

83

Dopamine Transporters in Striatum Correlated with Deactivation in the Default Mode Network during Visuospatial Attention  

SciTech Connect

Dopamine and dopamine transporters (DAT, which regulate extracellular dopamine in the brain) are implicated in the modulation of attention but their specific roles are not well understood. Here we hypothesized that dopamine modulates attention by facilitation of brain deactivation in the default mode network (DMN). Thus, higher striatal DAT levels, which would result in an enhanced clearance of dopamine and hence weaker dopamine signals, would be associated to lower deactivation in the DMN during an attention task. For this purpose we assessed the relationship between DAT in striatum (measured with positron emission tomography and [{sup 11}C]cocaine used as DAT radiotracer) and brain activation and deactivation during a parametric visual attention task (measured with blood oxygenation level dependent functional magnetic resonance imaging) in healthy controls. We show that DAT availability in caudate and putamen had a negative correlation with deactivation in ventral parietal regions of the DMN (precuneus, BA 7) and a positive correlation with deactivation in a small region in the ventral anterior cingulate gyrus (BA 24/32). With increasing attentional load, DAT in caudate showed a negative correlation with load-related deactivation increases in precuneus. These findings provide evidence that dopamine transporters modulate neural activity in the DMN and anterior cingulate gyrus during visuospatial attention. Our findings suggest that dopamine modulates attention in part by regulating neuronal activity in posterior parietal cortex including precuneus (region involved in alertness) and cingulate gyrus (region deactivated in proportion to emotional interference). These findings suggest that the beneficial effects of stimulant medications (increase dopamine by blocking DAT) in inattention reflect in part their ability to facilitate the deactivation of the DMN.

Tomasi, D.; Fowler, J.; Tomasi, D.; Volkow, N.D.; Wang, R.L.; Telang, F.; Wang, Chang, L.; Ernst, T.; /Fowler, J.S.

2009-06-01T23:59:59.000Z

84

Look at this: the neural correlates of initiating and responding to bids for joint attention  

E-Print Network (OSTI)

When engaging in joint attention, one person directs another person's attention to an object (Initiating Joint Attention, IJA), and the second person's attention follows (Responding to Joint Attention, RJA). As such, joint ...

Redcay, Elizabeth

85

ICCS questions received by March 19, 2010  

NLE Websites -- All DOE Office Websites (Extended Search)

questions received by March 19, 2010 questions received by March 19, 2010 1. Is property tax on land or equipment directly attributable to the project eligible for cost share? 2. Is insurance, with coverage comparable to that purchased for similar projects, eligible for cost share (construction and operating)? Response: The answer to both questions is yes. The specific cost principle that the Applicants can go to for further information, as well as the regulations on cost sharing are given below. Question 1 - FAR Part 31.205-41, Taxes Question 2 - FAR Part 31.205-19, Insurance and Indemnification Cost Sharing regulations - 10 CFR 600.123; 10 CFR 600.224; or 10 CFR 600.313 Since both questions indicate that the costs to be incurred will be used as potential cost share for the project, additional details will be needed to verify and validate the

86

Questions Received February 17-18  

NLE Websites -- All DOE Office Websites (Extended Search)

Received February 17-18 Received February 17-18 1. I am formally requesting information on the length of the entire CCS Program. a. Is there a minimum time requirement on the Demonstration portion of the project? There is no specific minimum duration for the Demonstration Phase. However, projects will be evaluated on their ability to meet DOE's target of capture and sequestration of one million tons of CO 2 per year. Another objective of the program is to demonstrate geologic sequestration options in a variety of geologic settings in order to evaluate costs, operational processes, and technical performance. Excessively short Demonstration Phase durations will not assist DOE in meetings its objectives, and will be taken into consideration during the evaluation.

87

Central Receiver Test Facility (CRTF) experiment manual  

DOE Green Energy (OSTI)

The Central Receiver Test Facility is operated by Sandia Laboratories for the US Department of Energy. The CRTF is being used for component and subsystem evaluation within the Solar Thermal Large Power Systems Program. This experiment manual provides users of the CRTF detailed information about: (1) implementation of testing at the CRTF; (2) details of the CRTF capabilities and interfaces, and (3) requirements of experimenters.

Holmes, J. T.; Matthews, L. K.; Seamons, L. O.; Davis, D. B.; King, D. L.

1979-10-01T23:59:59.000Z

88

Radio Astronomy Software Defined Receiver Project  

SciTech Connect

The paper describes a Radio Astronomy Software Defined Receiver (RASDR) that is currently under development. RASDR is targeted for use by amateurs and small institutions where cost is a primary consideration. The receiver will operate from HF thru 2.8 GHz. Front-end components such as preamps, block down-converters and pre-select bandpass filters are outside the scope of this development and will be provided by the user. The receiver includes RF amplifiers and attenuators, synthesized LOs, quadrature down converters, dual 8 bit ADCs and a Signal Processor that provides firmware processing of the digital bit stream. RASDR will interface to a user s PC via a USB or higher speed Ethernet LAN connection. The PC will run software that provides processing of the bit stream, a graphical user interface, as well as data analysis and storage. Software should support MAC OS, Windows and Linux platforms and will focus on such radio astronomy applications as total power measurements, pulsar detection, and spectral line studies.

Vacaliuc, Bogdan [ORNL; Leech, Marcus [Shirleys Bay Radio Astronomy Consortium; Oxley, Paul [Retired; Flagg, Richard [Retired; Fields, David [ORNL

2011-01-01T23:59:59.000Z

89

Water Quality Hydrology of Lands Receiving Farm Animal Wastes  

E-Print Network (OSTI)

A significant pollution potential from cattle manure has developed as a result of the cattle feeding industry progressing to large, high density feeding operations. Two major potential sources of pollution from beef feedlots is storm runoff and solid waste (manure). The objectives of this research were to determine the characteristics of storm runoff from a beef feedlot, to determine the nitrogen transformations and ammonia volatilization from soils receiving large manure applications, to determine the chemical quality of surface runoff and groundwater from plots receiving large manure applications, to evaluate techniques of deep plowing large amounts of manure into the soil, and to determine the crop quality and yields on field plots receiving large manure application rates. Feedlot runoff was found to carry large amounts of chemical elements. The concentrations of chemical elements did not vary with size and intensity of rainstorm as much as by differences in topography of the watersheds. More ammonia was volatilized from limed soil columns than unlimed but an unexplained decrease in total nitrogen of 10 to 20 percent occurred in the unlimed and limed soil columns, respectively. A 30-in. moldboard plowing 30 to 36-in. deep can safely turn under up to 900 tons/acre of manure and not create a major surface water pollution problem. An increase of chemical elements in the groundwater occurred during the first year and then were reduced to initial values during the second year. No N03 pollution of groundwater occurred. Crops can be effectively grown on land receiving up to 900 tons/acre of manure. Peak yields will not be obtained the first year after plowing the 900 tons under, but yields will increase the second and third years.

Reddell, R. D.; Wise, G. G.; Peters, R. E.; Lyerly, P. J.

1973-06-01T23:59:59.000Z

90

Advanced motor driven clamped borehole seismic receiver  

DOE Patents (OSTI)

A borehole seismic tool is described including a borehole clamp which only moves perpendicular to the borehole. The clamp is driven by an electric motor, via a right angle drive. When used as a seismic receiver, the tool has a three part housing, two of which are hermetically sealed. Accelerometers or geophones are mounted in one hermetically sealed part, the electric motor in the other hermetically sealed part, and the clamp and right angle drive in the third part. Preferably the tool includes cable connectors at both ends. Optionally a shear plate can be added to the clamp to extend the range of the tool.

Engler, B.P.; Sleefe, G.E.; Striker, R.P.

1993-02-23T23:59:59.000Z

91

A passion for physics, Zoe Martin, receives exposure to real...  

NLE Websites -- All DOE Office Websites (Extended Search)

for physics student receives exposure to real-world science A passion for physics, Zoe Martin, receives exposure to real-world science Physics undergraduate runs computer...

92

Y-12 receives American Heart Association award | Y-12 National...  

NLE Websites -- All DOE Office Websites (Extended Search)

receives American ... Y-12 receives American Heart Association award Posted: November 22, 2012 - 9:00am Kathy Jetton, senior regional director of the American Heart Association,...

93

Chemical Scientist Hendrik Bluhm Receives Bessel Research Award  

NLE Websites -- All DOE Office Websites (Extended Search)

Chemical Scientist Hendrik Bluhm Receives Bessel Research Award Chemical Scientist Hendrik Bluhm Receives Bessel Research Award Print Friday, 24 May 2013 00:00 Hendrik Bluhm of the...

94

Laser warning receiver to identify the wavelength and angle of ...  

A laser warning receiver is disclosed which has up to hundreds of individual optical channels each optically oriented to receive laser light from a different angle of ...

95

Pantex receives Perkins Award in recognition of its work with...  

NLE Websites -- All DOE Office Websites (Extended Search)

Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Pantex receives Perkins Award in recognition of ... Pantex receives Perkins Award in...

96

WIPP Receives First Shipment | National Nuclear Security Administratio...  

National Nuclear Security Administration (NNSA)

NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > About Us > Our History > NNSA Timeline > WIPP Receives First Shipment WIPP Receives...

97

Sixty-seven New Mexico students receive LAESF scholarships  

NLE Websites -- All DOE Office Websites (Extended Search)

April Sixty-seven New Mexico students receive LAESF scholarships LAESF scholarships winners Taos High School senior Majdolene Khweis received this year's platinum scholarship,...

98

Solar central receiver heliostat reflector assembly  

SciTech Connect

A heliostat reflector assembly for a solar central receiver system comprises a light-weight, readily assemblable frame which supports a sheet of stretchable reflective material and includes mechanism for selectively applying tension to and positioning the sheet to stretch it to optical flatness. The frame is mounted on and supported by a pipe pedestal assembly that, in turn, is installed in the ground. The frame is controllably driven in a predetermined way by a light-weight drive system so as to be angularly adjustable in both elevation and azimuth to track the sun and efficiently continuously reflect the sun's rays to a focal zone, i.e. central receiver, which forms part of a solar energy utilization system, such as a solar energy fueled electrical power generation system. The frame may include a built-in system for testing for optical flatness of the reflector. The preferable geometric configuration of the reflector is octagonal; however, it may be other shapes, such as hexagonal, pentagonal or square. Several different embodiments of means for tensioning and positioning the reflector to achieve optical flatness are disclosed. The reflector assembly is based on the stretch frame concept which provides an extremely light-weight, simple, low-cost reflector assembly that may be driven for positioning and tracking by a light-weight, inexpensive drive system.

Horton, Richard H. (Schenectady, NY); Zdeb, John J. (Clifton Park, NY)

1980-01-01T23:59:59.000Z

99

DOE receives title to Great Plains plant  

Science Conference Proceedings (OSTI)

On June 30, 1986 the Great Plains Coal Gasification Project was sold at a foreclosure sale at the Mercer County courthouse in North Dakota. The US Department of Energy was the only bidder at the sale. DOE's bid for the plant was $1 billion DOE-secured loan that the five sponsor companies defaulted on when they withdrew from the project in August 1985. DOE did not receive title to the plant until a lawsuit filed by American Natural Resources (ANR) was settled on July 14, 1986. DOE has vowed to keep the plant running as long as it does not cost the taxpayers any money. Eventually DOE wishes to dispose of the plant. Therefore, in February 1986 DOE requested that interested organizations submit expressions of interest in the Great Plains plant. This paper, after discussing the lawsuit, summarizes the nine responses received by DOE. Some companies were willing for it to remain a coal gasification facility; other submitted plans for modifications to produce methanol.

Not Available

1986-09-01T23:59:59.000Z

100

Parabolic Trough Receiver Heat Loss Testing (Poster)  

DOE Green Energy (OSTI)

Parabolic trough receivers, or heat collection elements (HCEs), absorb sunlight focused by the mirrors and transfer that thermal energy to a fluid flowing within them. Thje absorbing tube of these receivers typically operates around 400 C (752 F). HCE manufacturers prevent thermal loss from the absorbing tube to the environment by using sputtered selective Cermet coatings on the absorber and by surrounding the absorber with a glass-enclosed evacuated annulus. This work quantifies the heat loss of the Solel UVAC2 and Schott PTR70 HCEs. At 400 C, the HCEs perform similarly, losing about 400 W/m of HCE length. To put this in perspective, the incident beam radiation on a 5 m mirror aperture is about 4500 W/m, with about 75% of that energy ({approx} 3400 W/m) reaching the absorber surface. Of the 3400 W/m on the absorber, about 3000 W/m is absorbed into the working fluid while 400 W/m is lost to the environment.

Price, H.; Netter, J.; Bingham, C.; Kutscher, C.; Burkholder, F.; Brandemuehl, M.

2007-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Sampling of Received Ideas and Comments  

Science Conference Proceedings (OSTI)

... forms of clean energy (such as photovoltaics or biofuels), and increasing energy efficiency and sustainability overall ? Sensors, sensing and ...

2012-07-31T23:59:59.000Z

102

Multimodal Person Tracking and Attention Classification Marek P. Michalowski  

E-Print Network (OSTI)

The problems of human detection, tracking, and attention recognition can be solved more effectively tracking of humans by a laser scanner with de- tected and tracked faces from a vision system. 2. SYSTEMMultimodal Person Tracking and Attention Classification Marek P. Michalowski Carnegie Mellon

Simmons, Reid

103

2006 Special Issue: Synthetic computational models of selective attention  

Science Conference Proceedings (OSTI)

Computational modeling plays an important role to understand the mechanisms of attention. In this framework, synthetic computational models can uniquely contribute to integrate different explanatory levels and neurocognitive findings, with special reference ... Keywords: Awareness, Meditation states, Processing levels, Selective attention, Synchronization

Antonino Raffone

2006-11-01T23:59:59.000Z

104

Sampling of Received Ideas and Comments  

Science Conference Proceedings (OSTI)

... or biofuels), and increasing energy efficiency and ... of direct and indirect jobs created and ... Institutes by stakeholders ? Wealth creation and revenue ...

2012-07-31T23:59:59.000Z

105

Iterative receivers for OFDM systems with dispersive fading and frequency offset  

E-Print Network (OSTI)

The presence of dispersive fading and inter-carrier interference (ICI) constitute the major impediment to reliable communications in orthogonal frequency-division multiplexing (OFDM) systems. Recently iterative (``Turbo'') processing techniques, which have been successfully applied to many detection/decoding problems, have received considerable attention. In this thesis, we first aim on the design of iterative receiver for single antenna OFDM system with frequency offset and dispersive fading. Further work is then extended to space-time block coded (STBC) OFDM system. At last, the technique is applied to STBC-OFDM system through a newly built channel model, which is based on a physical description of the propagation environment. The performance of such systems are verified by computer simulations. The simulation results show that the iterative techniques work well in OFDM systems.

Liu, Hui

2005-05-01T23:59:59.000Z

106

Transmitter and Translating Receiver Design For 64-ary Pulse Position Modulation (PPM)  

SciTech Connect

This paper explores the architecture and design of an optically-implemented 64-ary PPM transmitter and direct-translating receiver that effectively translates incoming electrically-generated bit streams into optical PPM symbols (and vice-versa) at > 1 Gb/s data rates. The PPM transmitter is a cascade of optical switches operating at the frame rate. A corresponding receiver design is more difficult to architect and implement, since increasing data rates lead to correspondingly shorter decision times (slot times and frame times). We describe a solution in the form of a time-to-space mapping arrayed receiver that performs a translating algorithm represented as a code map. The technique for generating the code map is described, and the implementation of the receiver as a planar lightwave circuit is given. The techniques for implementing the transmitter and receiver can be generalized for any case of M-ary PPM.

Mendez, A J; Hernandez, V J; Gagliardi, R M; Bennett, C V

2010-01-20T23:59:59.000Z

107

Receiver control for the Submillimeter Array  

E-Print Network (OSTI)

Efficient operation of a submillimeter interferometer requires remote (preferably automated) control of mechanically tuned local oscillators, phase-lock loops, mixers, optics, calibration vanes and cryostats. The present control system for these aspects of the Submillimeter Array (SMA) will be described. Distributed processing forms the underlying architecture. In each antenna cabin, a serial network of up to ten independent 80C196 microcontroller boards attaches to the real-time PowerPC computer (running LynxOS). A multi-threaded, gcc-compiled program on the PowerPC accepts top-level requests via remote procedure calls (RPC), subsequently dispatches tuning commands to the relevant microcontrollers, and regularly reports the system status to optical-fiber-based reflective memory for common access by the telescope monitor and error reporting system. All serial communication occurs asynchronously via encoded, variable-length packets. The microcontrollers respond to the requested commands and queries by accessing non-volatile, rewriteable lookup-tables (when appropriate) and executing embedded software that operates additional electronic devices (DACs, ADCs, etc.). Since various receiver hardware components require linear or rotary motion, each microcontroller also implements a position servo via a one-millisecond interrupt service routine which drives a DC-motor/encoder combination that remains standard across each subsystem.

T. R. Hunter; R. W. Wilson; R. Kimberk; P. S. Leiker; R. D. Christensen

2005-09-26T23:59:59.000Z

108

Integrated solar receiver/biomass gasifier research  

SciTech Connect

Processes for producing liquid fuels from olefin-rich pyrolysis gases obtained from fast pyrolysis of biomass are being developed by J. Kuester at Arizona State University and J. Diebold at the Naval Weapons Center, China Lake, Calif. In the Diebold process the biomass, carried by steam, is blown through an entrained bed gasifier. The olefins are then separated from the rest of the reaction products and polymerized thermally to gasoline; the other gases are used as fuel for the process. The Kuester process uses a fluidized bed gasifier and a catalytic Fischer-Tropsch reactor which converts the olefins, hydrogen, and carbon monoxide into n-propanol and paraffinic hydrocarbons. The advantages over the Diebold process are shorter residence time and elimination of the gas separation requirement. One disadvantage is the low octane rating of the fuel. As part of the solar thermal program at the Solar Energy Research Institute (SERI), an entrained bed reactor/receiver for fast pyrolysis of biomass is being developed for use with either the Diebold or Kuester process. This system is discussed.

Benham, C.; Bergeron, P.; Bessler, G.; Bohn, M.

1979-11-01T23:59:59.000Z

109

Increasing TCP’s initial window  

E-Print Network (OSTI)

The initial window MAY be two packets (instead of the current initial window of one packet). For packets of at most 1460 bytes, the initial window MAY be three packets. For packets of at most 1095 bytes, the initial window MAY be four packets. 2 The Burstiness of Current TCP in Slow-Start: cwnd = 1 packet:) send one data packet ( receive one ACK increase cwnd to 2 packets:) send two back-to-back packets ( receive one ACK (a delayed ACK) increase cwnd to 3 packets:) send three back-to-back packets 3 The Burstiness of Current TCP with a Dropped Ack: cwnd = N packets, N packets are in pipe: ( receive one ACK, acking two packets) send two back-to-back packets ( receive one ACK, acking two packets) send two back-to-back packets ONE ACK IS DROPPED IN THE NETWORK

Sally Floyd

1998-01-01T23:59:59.000Z

110

The performance analysis of linux networking - packet receiving  

Science Conference Proceedings (OSTI)

The computing models for High-Energy Physics experiments are becoming ever more globally distributed and grid-based, both for technical reasons (e.g., to place computational and data resources near each other and the demand) and for strategic reasons (e.g., to leverage equipment investments). To support such computing models, the network and end systems, computing and storage, face unprecedented challenges. One of the biggest challenges is to transfer scientific data sets--now in the multi-petabyte (10{sup 15} bytes) range and expected to grow to exabytes within a decade--reliably and efficiently among facilities and computation centers scattered around the world. Both the network and end systems should be able to provide the capabilities to support high bandwidth, sustained, end-to-end data transmission. Recent trends in technology are showing that although the raw transmission speeds used in networks are increasing rapidly, the rate of advancement of microprocessor technology has slowed down. Therefore, network protocol-processing overheads have risen sharply in comparison with the time spent in packet transmission, resulting in degraded throughput for networked applications. More and more, it is the network end system, instead of the network, that is responsible for degraded performance of network applications. In this paper, the Linux system's packet receive process is studied from NIC to application. We develop a mathematical model to characterize the Linux packet receiving process. Key factors that affect Linux systems network performance are analyzed.

Wu, Wenji; Crawford, Matt; Bowden, Mark; /Fermilab

2006-11-01T23:59:59.000Z

111

Modeling Selective Attention Using a Neuromorphic Analog VLSI Device  

Science Conference Proceedings (OSTI)

Attentional mechanisms are required to overcome the problem of flooding a limited processing capacity system with information. They are present in biological sensory systems and can be a useful engineering tool for artificial visual systems. In this ...

Giacomo Indiveri

2000-12-01T23:59:59.000Z

112

A Bayesian inference theory of attention: neuroscience and algorithms  

E-Print Network (OSTI)

The past four decades of research in visual neuroscience has generated a large and disparate body of literature on the role of attention [Itti et al., 2005]. Although several models have been developed to describe specific ...

Chikkerur, Sharat

2009-10-03T23:59:59.000Z

113

2006 Special Issue: Analyzing and shaping human attentional networks  

Science Conference Proceedings (OSTI)

In this paper we outline a conception of attentional networks arising from imaging studies as connections between activated brain areas carrying out localized mental operations. We consider both the areas of functional activation (nodes) and the structural ... Keywords: Alerting, DCM (Dynamic causal model for connectivity analysis), DTI (Diffusion tensor imaging), EEG frequency (electroencephalographic), Executive attention, Orienting, Self-regulation, fMRI (functional magnetic resonance imaging)

Michael I. Posner; Brad E. Sheese; Yalçin Odluda?; YiYuan Tang

2006-11-01T23:59:59.000Z

114

Sixty-Eight Students to Receive Nuclear Energy Scholarships and...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Sixty-Eight Students to Receive Nuclear Energy Scholarships and Fellowships Sixty-Eight Students to Receive Nuclear Energy Scholarships and Fellowships July 17, 2013 - 10:30am...

115

SunShot Initiative: Advanced Nitrate Salt Central Receiver Power...  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Nitrate Salt Central Receiver Power Plant to someone by E-mail Share SunShot Initiative: Advanced Nitrate Salt Central Receiver Power Plant on Facebook Tweet about SunShot...

116

Y-12 inventors receive awards | Y-12 National Security Complex  

NLE Websites -- All DOE Office Websites (Extended Search)

inventors receive ... Y-12 inventors receive awards Posted: February 20, 2013 - 10:31am OAK RIDGE, Tenn. - At the ninth annual Y-12 Technology Transfer awards ceremony held to...

117

Pantex receives two safety awards | National Nuclear Security...  

NLE Websites -- All DOE Office Websites (Extended Search)

Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Pantex receives two safety awards Pantex receives two safety awards Posted By Office of...

118

NREL: Concentrating Solar Power Research - Receiver R&D  

NLE Websites -- All DOE Office Websites (Extended Search)

used to analyze the steady-state, off-sun thermal losses of receivers used in solar parabolic trough power plants; helps to reduce collector optical losses and reduce receiver...

119

NREL: Wind Research - Baring-Gould Receives Champion Award from...  

NLE Websites -- All DOE Office Websites (Extended Search)

Baring-Gould Receives Champion Award from Women of Wind Energy May 20, 2013 Wind Powering America National Technical Director Ian Baring-Gould received the Champion Award at the...

120

Development of a solar thermal receiver for high temperature applications  

DOE Green Energy (OSTI)

A thermal receiver for point focus collectors is being constructed. Its design, which is based upon experience with a commercial receiver, employs the advantages of that receiver and improves some of its features. The new receiver uses as a buffer between the cavity surface and the heat transfer fluid a thermal mass, which with a very small temperature drop penalty smooths the flux distribution to eliminate hot spots. Maximum operating temperature range was extended from 620/sup 0/C to 870/sup 0/C and receiver efficiency was improved. The design of the receiver enables significant spillage flux at the receiver to be used. Thus, lower quality optics can be employed in applications not requiring very high temperatures. Design and construction features of the receiver are presented and the testing program is described.

Bohn, M.; Bessler, G.

1979-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Operational Monitoring of Weather Radar Receiving Chain Using the Sun  

Science Conference Proceedings (OSTI)

A method for operational monitoring of a weather radar receiving chain, including the antenna gain and the receiver, is presented. The “online” method is entirely based on the analysis of sun signals in the polar volume data produced during ...

Iwan Holleman; Asko Huuskonen; Mikko Kurri; Hans Beekhuis

2010-01-01T23:59:59.000Z

122

Designing CPV Receivers With Reliability: Early Evaluation of Components  

E-Print Network (OSTI)

Designing CPV Receivers With Reliability: Early Evaluation of Components Objective Materials from power electronics industry must be proven when integrated in PV applications. Pre-qualification tests improves the receiver design and reliability. ANU microconcentrator test&design experience

123

LLNL receives accolades from EPA's Federal Green Challenge  

NLE Websites -- All DOE Office Websites (Extended Search)

713green 05172013 LLNL receives accolades from EPA's Federal Green Challenge Jennie L Doman, LLNL, (925) 423-2216, doman3@llnl.gov Printer-friendly LLNL has received accolades...

124

Climate researcher McDowell receives Fulbright Scholar Award  

NLE Websites -- All DOE Office Websites (Extended Search)

Fulbright Scholar Award Fulbright Scholar Award Climate researcher McDowell receives Fulbright Scholar Award The Fulbright Program is designed to "increase mutual understanding between the people of the United States and the people of other countries." August 31, 2010 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

125

Los Alamos National Laboratory receives Department of Energy...  

NLE Websites -- All DOE Office Websites (Extended Search)

DOE environmental sustainability award Los Alamos National Laboratory receives Department of Energy environmental sustainability award EStar awards recognize excellence in...

126

Dixson and Fu Receive NIST Applied Research Award  

Science Conference Proceedings (OSTI)

Dixson and Fu Receive NIST Applied Research Award. For Immediate Release: December 1, 1999. *. Bookmark and Share. ...

2013-07-19T23:59:59.000Z

127

John Cahn to Receive 2011 Kyoto Prize For Fundamental ...  

Science Conference Proceedings (OSTI)

John Cahn to Receive 2011 Kyoto Prize For Fundamental Contributions to Materials Science. For Immediate Release: June 24, 2011. ...

2011-06-27T23:59:59.000Z

128

John Cahn to Receive 2011 Kyoto Prize for Fundamental ...  

Science Conference Proceedings (OSTI)

John Cahn to Receive 2011 Kyoto Prize for Fundamental Contributions to Materials Science. From NIST Tech Beat: July 6, 2011. ...

2011-07-06T23:59:59.000Z

129

Micropower RF transponder with superregenerative receiver and RF receiver with sampling mixer  

DOE Patents (OSTI)

A micropower RF transponder employs a novel adaptation of the superregenerative receiver wherein the quench oscillator is external to the regenerative transistor. The quench oscillator applies an exponentially decaying waveform rather than the usual sinewave to achieve high sensitivity at microampere current levels. Further improvements include circuit simplifications for antenna coupling, extraction of the detected signal, and a low-voltage bias configuration that allows operation with less than a 1-volt rail voltage. The inventive transponder is expected to operate as long as the battery shelf life. 13 figs.

McEwan, T.E.

1997-05-13T23:59:59.000Z

130

Micropower RF transponder with superregenerative receiver and RF receiver with sampling mixer  

DOE Patents (OSTI)

A micropower RF transdponder employs a novel adaptation of the superregenerative receiver wherein the quench oscillator is external to the regenerative transistor. The quench oscillator applies an exponentially decaying waveform rather than the usual sinewave to achieve high sensitivity at microampere current levels. Further improvements include circuit simplifications for antenna coupling, extraction of the detected signal, and a low-voltage bias configuration that allows operation with less than a 1-volt rail voltage. The inventive transponder is expected to operate as long as the battery shelf life.

McEwan, Thomas E. (Livermore, CA)

1997-01-01T23:59:59.000Z

131

Characteristics of Deep GPS Signal Fading Due to Ionospheric Scintillation for Aviation Receiver Design  

E-Print Network (OSTI)

Aircraft navigation based on GPS (Global Positioning System) and WAAS (Wide Area Augmentation System) requires both code and carrier measurements to calculate the position estimate [1]. A GPS receiver’s carrier tracking loop is weaker than code tracking loop. Thus, carrier lock can more easily be broken under deep signal fading caused by ionospheric scintillation. If a receiver cannot track code and carrier of at least four satellite channels, the aircraft cannot navigate using GPS or WAAS. The solar maximum data set analyzed in this research demonstrates frequent deep fades and almost all satellites in view suffered from scintillation, which could significantly reduce number of simultaneous tracked satellites. Statistics of number of tracked satellites under 45 minutes of strong scintillation are given in this paper and importance of shorter reacquisition time of a receiver is also emphasized. In order to design an aviation receiver with shorter reacquisition time under frequent deep signal fadings, characteristics of signal fading have to be well understood. Two important characteristics of deep fading are analyzed, which are fading duration and time between deep fades. The fading duration model in this paper can provide a guideline for more robust aviation receiver design. Even if the receiver could reacquire phase lock quickly, frequent deep fades significantly increase noise level in smoothed pseudoranges, which results in lower navigation availability. Statistics of time between deep fades given in this paper shows very frequent deep fades that could be a major concern of GPS navigation under strong scintillation during solar maximum period.

Jiwon Seo; Todd Walter; Tsung-yu Chiou; Per Enge

2008-01-01T23:59:59.000Z

132

Advanced Thermal Storage for Central Receivers with Supercritical Coolants  

Science Conference Proceedings (OSTI)

The principal objective of the study is to determine if supercritical heat transport fluids in a central receiver power plant, in combination with ceramic thermocline storage systems, offer a reduction in levelized energy cost over a baseline nitrate salt concept. The baseline concept uses a nitrate salt receiver, two-tank (hot and cold) nitrate salt thermal storage, and a subcritical Rankine cycle. A total of 6 plant designs were analyzed, as follows: Plant Designation Receiver Fluid Thermal Storage Rankine Cycle Subcritical nitrate salt Nitrate salt Two tank nitrate salt Subcritical Supercritical nitrate salt Nitrate salt Two tank nitrate salt Supercritical Low temperature H2O Supercritical H2O Two tank nitrate salt Supercritical High temperature H2O Supercritical H2O Packed bed thermocline Supercritical Low temperature CO2 Supercritical CO2 Two tank nitrate salt Supercritical High temperature CO2 Supercritical CO2 Packed bed thermocline Supercritical Several conclusions have been drawn from the results of the study, as follows: 1) The use of supercritical H2O as the heat transport fluid in a packed bed thermocline is likely not a practical approach. The specific heat of the fluid is a strong function of the temperatures at values near 400 °C, and the temperature profile in the bed during a charging cycle is markedly different than the profile during a discharging cycle. 2) The use of supercritical CO2 as the heat transport fluid in a packed bed thermocline is judged to be technically feasible. Nonetheless, the high operating pressures for the supercritical fluid require the use of pressure vessels to contain the storage inventory. The unit cost of the two-tank nitrate salt system is approximately $24/kWht, while the unit cost of the high pressure thermocline system is nominally 10 times as high. 3) For the supercritical fluids, the outer crown temperatures of the receiver tubes are in the range of 700 to 800 °C. At temperatures of 700 °C and above, intermetallic compounds can precipitate between, and within, the grains of nickel alloys. The precipitation leads to an increase in tensile strength, and a decrease in ductility. Whether the proposed tube materials can provide the required low cycle fatigue life for the supercritical H2O and CO2 receivers is an open question. 4) A ranking of the plants, in descending order of technical and economic feasibility, is as follows: i) Supercritical nitrate salt and baseline nitrate salt: equal ratings ii) Low temperature supercritical H2O iii) Low temperature supercritical CO2 iv) High temperature supercritical CO2 v) High temperature supercritical H2O 5) The two-tank nitrate salt thermal storage systems are strongly preferred over the thermocline systems using supercritical heat transport fluids.

Kelly, Bruce D.

2010-06-15T23:59:59.000Z

133

Solar Central Receiver Hybrid Power Systems sodium-cooled receiver concept. Final report. Volume III. Appendices  

DOE Green Energy (OSTI)

The overall, long term objective of the Solar Central Receiver Hybrid Power System is to identify, characterize, and ultimately demonstrate the viability and cost effectiveness of solar/fossil, steam Rankine cycle, hybrid power systems that: (1) consist of a combined solar central receiver energy source and a nonsolar energy source at a single, common site, (2) may operate in the base, intermediate, and peaking capacity modes, (3) produce the rated output independent of variations in solar insolation, (4) provide a significant savings (50% or more) in fuel consumpton, and (5) produce power at the minimum possible cost in mills/kWh. It is essential that these hybrid concepts be technically feasible and economically competitive with other systems in the near to mid-term time period (1985-1990) on a commercial scale. The program objective for Phase I is to identify and conceptually characterize solar/fossil steam Rankine cycle, commercial-scale, power plant systems that are economically viable and technically feasible. This volume contains appendices to the conceptual design and systems analysis studies gien in Volume II, Books 1 and 2. (WHK)

None

1980-01-01T23:59:59.000Z

134

Effect of Cavity Wall Temperature and Opening Ratio on the Natural Convection Heat Loss Characteristics of a Solar Cavity Receiver  

Science Conference Proceedings (OSTI)

The natural convection heat loss characteristics of a solar cavity receiver have been investigated by numerical simulation method. The results show that, the natural convection heat loss, the convection heat transfer coefficient and Nusselt number increase ... Keywords: solar cavity receiver, cavity wall temperature, opening ratio, natural convection heat loss

Lan Xiao; Shuang-Ying Wu; You-Rong Li

2011-02-01T23:59:59.000Z

135

Hanford Contractor Receives Awards for Safety | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Contractor Receives Awards for Safety Contractor Receives Awards for Safety Hanford Contractor Receives Awards for Safety September 30, 2013 - 12:00pm Addthis RICHLAND, Wash. - A Hanford site contractor supporting EM's cleanup program has again received a prestigious safety award from DOE's Voluntary Protection Program (VPP). Advanced Technologies and Laboratories International (ATL) was presented the Star of Excellence Award for safety at the 29th annual VPP Participants Association Conference in Nashville, Tenn. Since it became a prime contractor at Hanford in 2005, ATL has received the award twice for committing to the principles of VPP, reaching established safety and health goals and attaining an injury and illness rate well below the average for similar businesses. ATL also received the 2013 Outreach Award alongside other Hanford prime

136

Hanford Contractor Receives Awards for Safety | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Hanford Contractor Receives Awards for Safety Hanford Contractor Receives Awards for Safety Hanford Contractor Receives Awards for Safety September 30, 2013 - 12:00pm Addthis RICHLAND, Wash. - A Hanford site contractor supporting EM's cleanup program has again received a prestigious safety award from DOE's Voluntary Protection Program (VPP). Advanced Technologies and Laboratories International (ATL) was presented the Star of Excellence Award for safety at the 29th annual VPP Participants Association Conference in Nashville, Tenn. Since it became a prime contractor at Hanford in 2005, ATL has received the award twice for committing to the principles of VPP, reaching established safety and health goals and attaining an injury and illness rate well below the average for similar businesses. ATL also received the 2013 Outreach Award alongside other Hanford prime

137

EM's Huizenga Receives Presidential Rank Award | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

EM's Huizenga Receives Presidential Rank Award EM's Huizenga Receives Presidential Rank Award EM's Huizenga Receives Presidential Rank Award May 9, 2013 - 12:00pm Addthis EM Senior Advisor Dave Huizenga, left, receives the Presidential Rank of Distinguished Executive award from Eric Coulter, treasurer of the board of directors for the Senior Executives Association, which sponsors the awards program. EM Senior Advisor Dave Huizenga, left, receives the Presidential Rank of Distinguished Executive award from Eric Coulter, treasurer of the board of directors for the Senior Executives Association, which sponsors the awards program. WASHINGTON, D.C. - EM Senior Advisor Dave Huizenga recently received the nation's highest civil service recognition, the Presidential Rank of Distinguished Executive award. The Senior Executives Association sponsored the annual awards event. In

138

WIPP Receives Top Safety Award | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

WIPP Receives Top Safety Award WIPP Receives Top Safety Award WIPP Receives Top Safety Award November 9, 2011 - 12:00pm Addthis Media Contact Deb Gill www.wipp.energy.gov 575-234-7270 CARLSBAD, N.M. - The U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP) received top accolades from New Mexico's leading mining organizations. The New Mexico Bureau of Mine Safety (BMS) recently recognized URS Washington TRU Solutions (WTS), LLC, the WIPP management and operating contractor, for receiving the New Mexico Mining Association (NMMA) and New Mexico BMS Safe Operator of the Year Award. "I'm pleased to congratulate Washington TRU Solutions and the WIPP workforce for receiving the state's top mine safety award for 23 of the past 25 years," said Ed Ziemianski, Carlsbad Field Office Interim

139

Quantum receivers with squeezing and photon-number-resolving detectors  

E-Print Network (OSTI)

We propose quantum receivers with optical squeezing and photon-number-resolving detector (PNRD) for the near-optimal discrimination of quaternary phase-shift-keyed coherent state signals. The basic scheme is similar to the previous proposals (e.g. Phys. Rev. A 84, 042328 (2012)) in which displacement operations, on-off detectors, and electrical feedforward operations were used. Here we study two types of receivers where one installs optical squeezings and the other uses PNRDs instead of on-off detectors. We show that both receivers can attain lower error rates than that by the previous scheme and in particular, the PNRD based receiver has a significant gain under the fixed number of feedfoward steps. Moreover, we show that the PNRD based receiver can suppress the errors due to dark counts, which is not possible by the on-off detector based receiver with a limited number of feedforwards.

Shuro Izumi; Masahiro Takeoka; Kazuhiro Ema; Masahide Sasaki

2013-02-12T23:59:59.000Z

140

EM's Huizenga Receives Presidential Rank Award | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Huizenga Receives Presidential Rank Award Huizenga Receives Presidential Rank Award EM's Huizenga Receives Presidential Rank Award May 9, 2013 - 12:00pm Addthis EM Senior Advisor Dave Huizenga, left, receives the Presidential Rank of Distinguished Executive award from Eric Coulter, treasurer of the board of directors for the Senior Executives Association, which sponsors the awards program. EM Senior Advisor Dave Huizenga, left, receives the Presidential Rank of Distinguished Executive award from Eric Coulter, treasurer of the board of directors for the Senior Executives Association, which sponsors the awards program. WASHINGTON, D.C. - EM Senior Advisor Dave Huizenga recently received the nation's highest civil service recognition, the Presidential Rank of Distinguished Executive award. The Senior Executives Association sponsored the annual awards event. In

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Interference mitigation techniques for SAW-less CDMA receivers  

E-Print Network (OSTI)

fre- quency division duplexed (FDD) receivers. In the ?rstfrequency-division duplexed (FDD), i.e. , the mobile stationfrequency-division duplexed (FDD) wireless communication

Khatri, Himanshu

2009-01-01T23:59:59.000Z

142

Highly linear SAW-less receiver design techniques for CDMA  

E-Print Network (OSTI)

frequency divi- sion duplexed (FDD) receivers, so that thefor frequency division duplex (FDD) systems [9,28], and thethe leaked Tx signal in FDD system prevent SAW- less

Kim, Nam Soo

2010-01-01T23:59:59.000Z

143

Alaska Native Communities Receive Technical Assistance for Local...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

will receive assistance with prioritizing renewable energy projects, evaluating feasibility studies, fostering community support, and identifying next steps to move projects...

144

LED North America Receives Exclusive Patent License for ORNL...  

NLE Websites -- All DOE Office Websites (Extended Search)

Highlights Success Stories Contact Us Index Home | ORNL | Success Stories SHARE LED North America Receives Exclusive Patent License for ORNL Technology June 19, 2013 Views...

145

NNSA's Global Threat Reduction Initiative Receives 2010 Distinguished  

NLE Websites -- All DOE Office Websites (Extended Search)

Receives 2010 Distinguished Receives 2010 Distinguished Project Award from PMI | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > Media Room > Press Releases > NNSA's Global Threat Reduction Initiative Receives 2010 ... Press Release NNSA's Global Threat Reduction Initiative Receives 2010 Distinguished

146

DOE Lab Receives Award for Work on Drilling Technology | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

recognized as an innovator in this area is an honor. The Department of Energy's National Energy Technology Laboratory (NETL) recently received that honor when it was recognized...

147

Pantexan receives Crime Stoppers volunteer award | National Nuclear...  

NLE Websites -- All DOE Office Websites (Extended Search)

Pantexan receives Crime Stoppers volunteer award | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy...

148

NETL: News Release - Drilling Operators Receive Boost from New...  

NLE Websites -- All DOE Office Websites (Extended Search)

Drilling Operators Receive Boost from New Database to Weigh Options Regarding Waste Management Interactive Website Provides Easy Access to Technological, Environmental, and...

149

Collector/Receiver Characterization (Fact Sheet), Thermal Systems...  

NLE Websites -- All DOE Office Websites (Extended Search)

radiation falling on the trough aperture operating near ambient temperature to the thermal energy collected by the fluid flowing through the receiver tube. A parabolic trough,...

150

Five companies received funding through new venture acceleration...  

NLE Websites -- All DOE Office Websites (Extended Search)

proposals and those receiving funding included: San Ildefonso Development Corp., Three Eagles Development Corp., Cochitit Pueblo Development Corp., Sunbeam Indian Art and Avanyu...

151

Alaska Native Communities Receive Technical Assistance for Local...  

NLE Websites -- All DOE Office Websites (Extended Search)

Articles Alaska Native Tribes Receive Technical Assistance for Local Clean Energy Projects DOE Office of Indian Energy Partners with ACEP to Study Wind-Diesel Systems in Alaska...

152

Alaska Native Tribes Receive Technical Assistance for Local Clean...  

NLE Websites -- All DOE Office Websites (Extended Search)

of Kake will receive assistance to help develop a community energy plan; relocating a wind met-tower closer to the village; conduct biomass and hydro generation feasibility...

153

Charles "Chuck" Farrar to receive DeMichele Award  

NLE Websites -- All DOE Office Websites (Extended Search)

Institute, will receive the 2013 DeMichele Award from the Society for Experimental Mechanics. The award is presented for demonstrated "exemplary service and support of promoting...

154

NNSA National Security Campus Receives LEED® Gold Certification...  

NLE Websites -- All DOE Office Websites (Extended Search)

Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > Media Room > Press Releases > NNSA National Security Campus Receives LEED Gold...

155

Newest LANL Facility Receives LEED Gold Certification | National...  

NLE Websites -- All DOE Office Websites (Extended Search)

Newest LANL Facility Receives LEED Gold Certification | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear...

156

Secretary Chu Announces 150 Students to Receive Graduate Fellowships...  

NLE Websites -- All DOE Office Websites (Extended Search)

Secretary Chu Announces 150 Students to Receive Graduate Fellowships in Science, Mathematics and Engineering New Department of Energy Graduate Fellowship Program Aimed at...

157

DOE Receives Responses on the Implementation of Large-Capacity...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

units. We received responses from several parties, which can be found below. Alliance Laundry Systems EarthJustice Electrolux GE Appliances and Lighting LG Electronics Whirlpool...

158

Support and maneuvering apparatus for solar energy receivers  

DOE Patents (OSTI)

A support and maneuvering apparatus is disclosed for a solar energy receiving device adpated for receiving and concentrating solar energy and having a central axis extending through the center thereof. The apparatus includes a frame for mounting the perimeter of said solar energy receiving device. A support member extends along the central axis of the receiving device and has a base end passing through the center of the receiving device and an outer distal end adapted for carrying a solar energy receiving and conversion mechanism. A variable tension mechanism interconnects the support member with the frame to provide stiffening for the support member and the frame and to assist in the alignment of the frame to optimize the optical efficiency of the solar energy receiving device. A rotatable base is provided, and connecting members extend from the base for pivotable attachment to the frame at spaced positions therealong. Finally, an elevation assembly is connected to the receiving device for selectively pivoting the receiving device about an axis defined between the attachment positions of the connecting members on the frame.

Murphy, Lawrence M. (Littleton, CO)

1989-01-01T23:59:59.000Z

159

Support and maneuvering apparatus for solar energy receivers  

DOE Patents (OSTI)

A support and maneuvering apparatus is disclosed for a solar energy receiving device adapted for receiving and concentrating solar energy and having a central axis extending through the center thereof. The apparatus includes a frame for mounting the perimeter of said solar energy receiving device. A support member extends along the central axis of the receiving device and has a base end passing through the center of the receiving device and an outer distal end adapted for carrying a solar energy receiving and conversion mechanism. A variable tension mechanism interconnects the support member with the frame to provide stiffening for the support member and the frame and to assist in the alignment of the frame to optimize the optical efficiency of the solar energy receiving device. A rotatable base is provided, and connecting members extend from the base for pivotable attachment to the frame at spaced positions therealong. Finally, an elevation assembly is connected to the receiving device for selectively pivoting the receiving about an axis defined between the attachment positions of the connecting members on the frame. 4 figs.

Murphy, L.M.

1988-07-28T23:59:59.000Z

160

SunShot Initiative: High-Flux Microchannel Solar Receiver  

NLE Websites -- All DOE Office Websites (Extended Search)

(CSP) R&D funding opportunity announcement (FOA), are working to develop an advanced heat exchanger for use in CSP receivers. The heat exchanger has the potential to...

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Solar Radio Burst Effects on Global Positioning System Receivers .  

E-Print Network (OSTI)

??This thesis presents a series of studies investigating solar radio burst effects on Global Positioning System (GPS) receivers along with supporting instrumentation and analysis techniques.… (more)

Cerruti, Alessandro Paolo

2007-01-01T23:59:59.000Z

162

NETL'S CHORPENING RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD  

NLE Websites -- All DOE Office Websites (Extended Search)

CHORPENING RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD Morgantown, W.Va. - The National Energy Technology Laboratory's (NETL) Ben Chorpening has been selected by the Pittsburgh...

163

NETL'S WOODRUFF RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD  

NLE Websites -- All DOE Office Websites (Extended Search)

WOODRUFF RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD Morgantown, W.Va. - The National Energy Technology Laboratory's (NETL) Dr. Steven D. Woodruff has been selected by the...

164

NETL'S LYONS RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD  

NLE Websites -- All DOE Office Websites (Extended Search)

LYONS RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD Morgantown, W.Va. - The National Energy Technology Laboratory's (NETL) David Lyons has been selected by the Pittsburgh...

165

NETL'S GOLLAKOTA RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD  

NLE Websites -- All DOE Office Websites (Extended Search)

GOLLAKOTA RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD Morgantown, W.Va. - The National Energy Technology Laboratory's (NETL) Dr. Sai Gollakota has been selected by the...

166

NETL's Ohodnicki Receives 2012 Excellence in Government Award  

NLE Websites -- All DOE Office Websites (Extended Search)

Ohodnicki Receives 2012 Excellence in Government Award Pittsburgh, Pa. - The National Energy Technology Laboratory's (NETL) Paul R. Ohodnicki, Jr., has been selected by the...

167

Reproductive Goals and Behavior Among Teen Mothers Receiving AFDC  

E-Print Network (OSTI)

GOALS AND BEHAVIORS AMONG TEEN MOTHERS RECEIVING AFDC ReportSubmitted AFDC Policy to: Brandl Services Implementationnot living No boyfnend status: AFDC Program Currently on

Mauldon, Jane; Maestas, Nicole

1999-01-01T23:59:59.000Z

168

Four Argonne National Laboratory scientists receive Early Career...  

NLE Websites -- All DOE Office Websites (Extended Search)

Four Argonne National Laboratory scientists receive Early Career Research Program awards By Brian Grabowski * May 10, 2012 Tweet EmailPrint ARGONNE, Ill. - Four researchers at the...

169

Argonne fast-reactor pioneer receives international prize  

NLE Websites -- All DOE Office Websites (Extended Search)

Argonne fast-reactor pioneer receives international prize Director's Welcome Organization Achievements Highlights Fact Sheets, Brochures & Other Documents Multimedia Library About...

170

Field Survey of Parabolic Trough Receiver Thermal Performance: Preprint  

SciTech Connect

This paper describes a technique that uses an infrared camera to evaluate the in-situ thermal performance of parabolic trough receivers at operating solar power plants.

Price, H.; Forristall, R.; Wendelin, T.; Lewandowski, A.; Moss, T.; Gummo, C.

2006-04-01T23:59:59.000Z

171

Window and seal design for a small particle solar receiver.  

E-Print Network (OSTI)

??Central receivers for solar power towers have recently been under intense investigation. They can convert solar radiation into electricity by supplying heat to a thermodynamic… (more)

Mande, Onkar Kiran

2012-01-01T23:59:59.000Z

172

Analysis and design of CMOS ultra wideband receivers  

E-Print Network (OSTI)

robust operation of the receiver in dense wireless networks.satisfactory operation of the UWB system in dense wirelesswireless environments. The successful and robust operation

Ranjan, Mahim

2006-01-01T23:59:59.000Z

173

Sandia National Laboratories: Sandia Receives Award for Electronics...  

NLE Websites -- All DOE Office Websites (Extended Search)

Laboratories has received an award for reducing the environmental impacts of the computers, printers and other office electronics it uses through its fiscal year 2010...

174

Sixty-five New Mexico students receive Los Alamos Employees'...  

NLE Websites -- All DOE Office Websites (Extended Search)

2 May Los Alamos Employees' Scholarship Fund recipients Sixty-five New Mexico students receive Los Alamos Employees' Scholarship Fund scholarships Los Alamos High School...

175

Seventy-three New Mexico students receive Los Alamos Employees...  

NLE Websites -- All DOE Office Websites (Extended Search)

Employees' Scholarship Fund Seventy-three New Mexico students receive Los Alamos Employees' Scholarship Fund scholarships Kevin Gao, Micaela Lucero and Danielle Harrier share this...

176

Fifty-five New Mexico students receive Los Alamos Employees'...  

NLE Websites -- All DOE Office Websites (Extended Search)

Employees' Scholarship Fund scholarships Fifty-five New Mexico students receive Los Alamos Employees' Scholarship Fund scholarships Escalante High School senior Estevan Trujillo is...

177

Lempke receives Sandia Emergency Operations Center tour | National...  

NLE Websites -- All DOE Office Websites (Extended Search)

receives Sandia Emergency Operations Center tour | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy...

178

A framework for supporting joint interpersonal attention in distributed groups  

Science Conference Proceedings (OSTI)

Informal interactions are a key element of workgroup communication, but have proven difficult to support in distributed groups. One reason for this is that existing systems have focused either on novel means for gathering information about the availability ... Keywords: CMC, CSCW, attention, awareness, interaction

Jeremy Birnholtz; Johnathon Schultz; Matthew Lepage; Carl Gutwin

2011-09-01T23:59:59.000Z

179

SES Performance-Based Pay Increase | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Performance-Based Pay Increase Performance-Based Pay Increase SES Performance-Based Pay Increase An agency may provide a pay increase to allow a senior executive to advance his or her relative position with the SES rate range only upon a determination by the authorized agency official that the executive's individual performance and/or contribution to agency performance so warrant. A senior executive who receives an annual summary rating of Outstanding or equivalent may be considered for an annual pay increase. A senior executive who receives an annual summary rating of less than Fully Successful or equivalent may not receive an increase in pay for the current appraisal period. The expectation is that executives who are paid consistent with their current level of responsibilities and who receive an

180

Publications Received Books listed below that are marked with a  

E-Print Network (OSTI)

: CSL1 Publications (Stanford monographs in linguistics), 2001, viii+255 pp; distributedPublications Received Books listed below that are marked with a t have been selected for review. All rel- evant books received will be listed, but not all can be reviewed. Technical reports (other

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Publications Received Books listed below that are marked with a  

E-Print Network (OSTI)

, volume 1 Harry Bunt and Reinhard Muskens (editors) (Tilburg University) Dordrecht: Kluwer Academic 468 #12;Publications Received Meijs, volume 30), 2000, xv+344 pp; hardbound, ISBN 90-420-0419-3, $97Publications Received Books listed below that are marked with a t have been selected for review

182

Compound parabolic concentrators for narrowband wireless infrared receivers  

E-Print Network (OSTI)

Compound parabolic concentrators for narrowband wireless infrared receivers Keang-Po Ho Joseph M and hollow compound parabolic concentrators (CPCs), for use in free-space infrared communication receivers terms: compound parabolic concentrators (CPCs); optical bandpass fil- ters; Monte Carlo ray tracing

Kahn, Joseph M.

183

Numerical modeling of dish-Stirling reflux solar receivers  

DOE Green Energy (OSTI)

Using reflux solar receivers to collect solar energy for dish-Stirling electric power generation systems is currently being investigated by several organizations, including Sandia National Laboratories, Albuquerque, New Mexico. In support of this program, Sandia has developed two numerical models describing the energy transfer within and thermal performance of pool-boiler and heat-pipe receivers. Both models are applicable to axisymmetric geometries and they both consider the radiative and convective energy transfer within the receiver cavity, the conductive and convective energy transfer within the receiver cavity, the conductive and convective energy transfer from the receiver housing, and the energy transfer to the receiver working fluid. In these models, the radiative transfer within the receiver is analyzed using a two-band (solar and infrared) net-radiation formulation for enclosure radiation. Empirical convective correlations describe the convective heat transfer from the cavity to the surroundings. The primary difference between the models is the level of detail in modeling the heat conduction through the receiver walls. The more detailed model uses a two-dimensional finite control volume method, whereas the simpler model uses a one-dimensional thermal resistance approach. 20 refs., 7 figs., 2 tabs.

Hogan, R.E.

1990-01-01T23:59:59.000Z

184

High-temperature seal development for the share receiver  

DOE Green Energy (OSTI)

The development and experimental demonstration of a high-temperature seal for the SHARE ceramic dome cavity receiver is reported. The mechanical contact seal which was tested on one-foot diameter silicon carbide ceramic dome hardware at pressure differentials to four atmospheres and dome temperatures to 2200/sup 0/F (1200/sup 0/C) showed negligible leakage at expected receiver operating conditions.

Jarvinen, P. O.

1979-01-01T23:59:59.000Z

185

WIPP Receives First Shipment | National Nuclear Security Administration  

NLE Websites -- All DOE Office Websites (Extended Search)

WIPP Receives First Shipment | National Nuclear Security Administration WIPP Receives First Shipment | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > About Us > Our History > NNSA Timeline > WIPP Receives First Shipment WIPP Receives First Shipment March 26, 1999 Carlsbad, NM WIPP Receives First Shipment After more than two decades of political, legal, and bureaucratic delays,

186

Energy Department Receives EPA Award for Top Green Power Purchase |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Department Receives EPA Award for Top Green Power Purchase Energy Department Receives EPA Award for Top Green Power Purchase Energy Department Receives EPA Award for Top Green Power Purchase September 24, 2013 - 12:19pm Addthis The Energy Department announced today that it has received a 2013 Green Power Leadership Award from the U.S. Environmental Protection Agency (EPA). The annual awards recognize the country's leading green power consumers for their commitment and contribution to helping advance the development of the nation's voluntary green power market. EPA presented the Energy Department with the award at an event held in conjunction with the 2013 Renewable Energy Markets Conference in Austin, Texas, on September 23, 2013. The Department was one of only eight organizations nationwide to receive a Leadership Award for utilization of green power. The award recognizes EPA

187

Energy Department Receives EPA Award for Top Green Power Purchase |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Department Receives EPA Award for Top Green Power Purchase Energy Department Receives EPA Award for Top Green Power Purchase Energy Department Receives EPA Award for Top Green Power Purchase September 24, 2013 - 12:19pm Addthis The Energy Department announced today that it has received a 2013 Green Power Leadership Award from the U.S. Environmental Protection Agency (EPA). The annual awards recognize the country's leading green power consumers for their commitment and contribution to helping advance the development of the nation's voluntary green power market. EPA presented the Energy Department with the award at an event held in conjunction with the 2013 Renewable Energy Markets Conference in Austin, Texas, on September 23, 2013. The Department was one of only eight organizations nationwide to receive a Leadership Award for utilization of green power. The award recognizes EPA

188

Structural analysis of a reflux pool-boiler solar receiver  

DOE Green Energy (OSTI)

Coupled thermal-structural finite element calculations of a reflux pool-boiler solar receiver were performed to characterize the operating stresses and to address issues affecting the service life of the receiver. Analyses performed using shell elements provided information for receiver material selection and design optimization. Calculations based on linear elastic fracture mechanics principles were performed using continuum elements to assess the vulnerability of a seam-weld to fatigue crack growth. All calculations were performed using ABAQUS, a general purpose finite element code, and elements specifically formulated for coupled thermal-structural analysis. Two materials were evaluated: 316L SS and Haynes 230 alloys. The receiver response was simulated for a combination of structural and thermal loads that represent the startup and operating conditions of the receiver. For both materials, maximum stresses in the receiver developed shortly after startup due to uneven temperature distribution across the receiver surface. The largest effective stress was near yield in the 316L SS receiver and below 39 percent of yield in the Haynes 230 receiver. The calculations demonstrated that stress reductions of over 25 percent could be obtained by reducing the aft dome thickness to one closer to the absorber. The fatigue calculations demonstrated that the stress distribution near the seam-weld notch depends primarily on the structural load created by internal pressurization of the receiver rather than the thermal, indicating that the thermal loads can be neglected when assessing the stress intensity near the seam-weld notch. The stress intensity factor, computed using the J-integral method and crack opening-displacement field equations, was significantly below the fatigue threshold for most steels. The calculations indicated that the weld notch was always loaded in compression, a condition which is not conducive to fatigue crack growth. 15 refs., 30 figs., 3 tabs.

Hoffman, E.L.; Stone, C.M.

1991-06-01T23:59:59.000Z

189

Abstract--The increasing attention paid to reliability in regional transmission organizations provide the impetus for the  

E-Print Network (OSTI)

@uiuc.edu, gross@uiuc.edu). E. Litvinov and R. Coutu are with the ISO New England Inc., Holyoke, MA 01040 USA Gross, Fellow, IEEE, Eugene Litvinov, Member, IEEE, and Ron Coutu S #12;2 instances, a stricter-markets-related research and development since 1996. Ron Coutu has a degree in Computer Science and over 20 years

190

Polymers with increased order  

DOE Patents (OSTI)

The invention features polymers with increased order, and methods of making them featuring a dense gas.

Sawan, Samuel P. (Tyngsborough, MA); Talhi, Abdelhafid (Rochester, MI); Taylor, Craig M. (Jemez Springs, NM)

1998-08-25T23:59:59.000Z

191

A Virtual Agent's Behavior Selection by Using Actions for Focusing of Attention  

Science Conference Proceedings (OSTI)

In this paper we present an approach for focusing of IVA's attention in order to select appropriate behavior in continuously changing virtual environment. An action for focusing of attention represents the act of moving the attention to the currently ... Keywords: action for focusing of attention, behavior selection, virtual agent

Haris Supic

2008-09-01T23:59:59.000Z

192

Drell receives National Medal of Science | National Nuclear Security  

National Nuclear Security Administration (NNSA)

Drell receives National Medal of Science | National Nuclear Security Drell receives National Medal of Science | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Drell receives National Medal of Science Drell receives National Medal of Science Posted By Office of Public Affairs NNSA Blog Sidney Drell, physicist, arms control expert and adviser, is one

193

High-Temperature Falling-Particle Receiver (Fact Sheet)  

Science Conference Proceedings (OSTI)

Sandia National Laboratories is one of the 2012 SunShot CSP R&D awardee for their advanced receivers. This fact sheet explains the motivation, description, and impact of the project.

Not Available

2012-09-01T23:59:59.000Z

194

Advanced Low-Cost Receivers for Parabolic Troughs (Fact Sheet)  

Science Conference Proceedings (OSTI)

Norwich Technologies is one of the 2012 SunShot CSP R&D awardees for their advanced receivers. This fact sheet explains the motivation, description, and impact of the project.

Not Available

2012-09-01T23:59:59.000Z

195

NNSA's Second Line of Defense Program Receives Capability Award |  

NLE Websites -- All DOE Office Websites (Extended Search)

Second Line of Defense Program Receives Capability Award | Second Line of Defense Program Receives Capability Award | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > NNSA's Second Line of Defense Program Receives ... NNSA's Second Line of Defense Program Receives Capability Award Posted By Office of Public Affairs NNSA's Second Line of Defense (SLD) was awarded the 2013 Non-Conventional

196

Lab receives an additional $19 million for environmental cleanup  

NLE Websites -- All DOE Office Websites (Extended Search)

Lab receives an additional $19 million for environmental cleanup Lab receives an additional $19 million for environmental cleanup Community Connections: Our link to Northern New Mexico Communities Latest Issue:Dec. 2013 - Jan. 2014 All Issues » submit Lab receives an additional $19 million for environmental cleanup Lab also selects local businesses for five-year contracts June 1, 2013 Governor Susana Martinez visited the Lab in May to urge additional funding for cleanup Governor Susana Martinez visited the Lab in May to urge additional funding for cleanup Contact Editor Linda Anderman Email Community Programs Office Kurt Steinhaus Email Thanks to support from New Mexico Senators Tom Udall and Martin Heinrich, Representatives Ben Ray Lujan and Steve Pearce and Governor Susana Martinez, the Lab has received an additional $19 million for environmental

197

WIPP Receives Top Safety Award | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Top Safety Award Top Safety Award WIPP Receives Top Safety Award November 9, 2011 - 12:00pm Addthis Media Contact Deb Gill www.wipp.energy.gov 575-234-7270 CARLSBAD, N.M. - The U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP) received top accolades from New Mexico's leading mining organizations. The New Mexico Bureau of Mine Safety (BMS) recently recognized URS Washington TRU Solutions (WTS), LLC, the WIPP management and operating contractor, for receiving the New Mexico Mining Association (NMMA) and New Mexico BMS Safe Operator of the Year Award. "I'm pleased to congratulate Washington TRU Solutions and the WIPP workforce for receiving the state's top mine safety award for 23 of the past 25 years," said Ed Ziemianski, Carlsbad Field Office Interim

198

Energy Department Receives Prestigious Closing the Circle Awards for  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Receives Prestigious Closing the Circle Awards Receives Prestigious Closing the Circle Awards for Environmental Stewardship Energy Department Receives Prestigious Closing the Circle Awards for Environmental Stewardship June 13, 2007 - 1:40pm Addthis DOE Won Four Out of Ten Civilian Awards WASHINGTON, DC - The Department of Energy (DOE) this week received four White House Closing the Circle (CTC) awards, which recognize federal leadership in green purchasing, electronics recycling, and energy efficiency practices. These awards are presented annually by the Office of the Federal Environmental Executive for outstanding achievements of Federal employees and their facilities for efforts that make a significant positive impact on environmental stewardship. "I am proud to accept these awards on behalf of all the employees of the

199

Secretary Chu Announces 68 Scientists to Receive Early Career Research  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

68 Scientists to Receive Early Career 68 Scientists to Receive Early Career Research Program Funding Secretary Chu Announces 68 Scientists to Receive Early Career Research Program Funding May 18, 2012 - 3:05pm Addthis News Media Contact (202) 386-4940 WASHINGTON - Underscoring the Obama Administration's commitment to investing in innovation and the American workforce, U.S. Department of Energy Secretary Steven Chu today announced that 68 scientists from across the nation will receive up to $18.9 million in funding for research grants as part of DOE's Early Career Research Program. The effort, now in its third year, is designed to bolster the nation's scientific workforce by providing support to exceptional researchers during the crucial early career years, when many scientists do their most formative work.

200

Energy Department Announces 61 Scientists to Receive Early Career Research  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

61 Scientists to Receive Early Career 61 Scientists to Receive Early Career Research Program Funding Energy Department Announces 61 Scientists to Receive Early Career Research Program Funding May 7, 2013 - 12:56pm Addthis NEWS MEDIA CONTACT (202) 586-4940 WASHINGTON - Underscoring the Obama Administration's commitment to investing in innovation and the American workforce, Acting Secretary of Energy Daniel Poneman today announced that 61 scientists from across the nation will receive up to $15.3 million in funding for research as part of the Energy Department's Early Career Research Program. The effort, now in its fourth year, is designed to bolster the nation's scientific workforce by providing support to exceptional researchers during the crucial early career years, when many scientists do their most formative

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Los Alamos National Laboratory employees receive Pollution Prevention  

NLE Websites -- All DOE Office Websites (Extended Search)

Employees Receive Pollution Prevention Awards Employees Receive Pollution Prevention Awards Los Alamos National Laboratory employees receive Pollution Prevention Awards Nearly 400 employees on 47 teams received Pollution Prevention awards for protecting the environment and saving taxpayers more than $8 million. April 23, 2013 Molten plutonium in a crucible. The improved processing of old plutonium generates less than half of the waste of the former process. Molten plutonium in a crucible. The improved processing of old plutonium generates less than half of the waste of the former process. Contact Steve Sandoval Communications Office (505) 665-9206 Email The Pollution Prevention Awards are the result of people taking the initiative to improve their own operations. Protecting environment, saving taxpayer dollars

202

NNSA labs, sites receive DOE Sustainability Awards | National Nuclear  

National Nuclear Security Administration (NNSA)

labs, sites receive DOE Sustainability Awards | National Nuclear labs, sites receive DOE Sustainability Awards | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > NNSA labs, sites receive DOE Sustainability Awards NNSA labs, sites receive DOE Sustainability Awards Posted By Office of Public Affairs In keeping with NNSA's commitment to improving the way it does business,

203

Newest LANL Facility Receives LEED Gold Certification | National Nuclear  

National Nuclear Security Administration (NNSA)

Newest LANL Facility Receives LEED Gold Certification | National Nuclear Newest LANL Facility Receives LEED Gold Certification | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Newest LANL Facility Receives LEED Gold Certification Newest LANL Facility Receives LEED Gold Certification Posted By Office of Public Affairs RULOB LANL's newest facility, the Radiological Laboratory Utility Office

204

Sandia Photovoltaic Vehicle receives GreenGov Presidential Award | National  

National Nuclear Security Administration (NNSA)

Photovoltaic Vehicle receives GreenGov Presidential Award | National Photovoltaic Vehicle receives GreenGov Presidential Award | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > Media Room > Press Releases > Sandia Photovoltaic Vehicle receives GreenGov Presidential Award ... Press Release Sandia Photovoltaic Vehicle receives GreenGov Presidential Award

205

Energy Department Receives Prestigious Closing the Circle Awards for  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Department Receives Prestigious Closing the Circle Awards Energy Department Receives Prestigious Closing the Circle Awards for Environmental Stewardship Energy Department Receives Prestigious Closing the Circle Awards for Environmental Stewardship June 13, 2007 - 1:40pm Addthis DOE Won Four Out of Ten Civilian Awards WASHINGTON, DC - The Department of Energy (DOE) this week received four White House Closing the Circle (CTC) awards, which recognize federal leadership in green purchasing, electronics recycling, and energy efficiency practices. These awards are presented annually by the Office of the Federal Environmental Executive for outstanding achievements of Federal employees and their facilities for efforts that make a significant positive impact on environmental stewardship. "I am proud to accept these awards on behalf of all the employees of the

206

Argonne CNM Highlight: CNM scientist receives presidential award for  

NLE Websites -- All DOE Office Websites (Extended Search)

scientist receives presidential award for advancement of science scientist receives presidential award for advancement of science Yugang Sun receives a PECASE award Yugang Sun (left) with Dr. Altaf Carim, DOE program manager for the five Nanoscale Science Research Centers, during the December 19, 2008, PECASE award ceremony at DOE headquarters Assistant chemist Yugang Sun received the Presidential Early Career Award for Scientists and Engineers (PECASE) to recognize his contribution to the advancement of science. Dr. Sun, a member of the Nanophotonics Group in Argonne's Center for Nanoscale Materials, was recognized for developing ground-breaking techniques for chemical synthesis and nanofabrication of metal and semiconductor nanomaterials, as well as for community educational activities. The Presidential Awards are intended to recognize and nurture

207

Local high school seniors receive Edward Teller science scholarships  

NLE Websites -- All DOE Office Websites (Extended Search)

3 For immediate release: 06052013 | NR-13-06-03 Local high school seniors receive Edward Teller science scholarships Linda A Lucchetti, LLNL, (925) 422-5815, lucchetti1@llnl.gov...

208

Modeling of solar receiver for cracking of liquid petroleum gas  

SciTech Connect

The paper presents the model of an industrial solar receiver/reactor for thermal cracking of liquid petroleum gas (LPG) at the typical temperature range of 800--850 C. The concentrated solar radiation enters the receiver located on the ground and provided with a compound parabolic concentrator (CPC) at the ceiling. This is achieved with a reflecting solar tower. The radiative model uses the classical concept of equivalent gray plane to represent a panel of 40 cracking tubes placed in parallel of a refractory wall of the receiver. The radiative flux distribution on each wall is calculated and the chemistry in each reactor tube is evaluated until convergence is achieved. The design of an industrial size receiver, its behavior, and performance have been evaluated using this model. The computer program based on this model was run for a variety of flow conditions, feed compositions, and pressures.

Segal, A.; Epstein, M. [Weizmann Inst. of Science, Rehovot (Israel). Solar Research Facilities Unit

1997-02-01T23:59:59.000Z

209

Applications Received by DOE/FE to Export Domestically Produced...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Applications Received by DOEFE to Export Domestically Produced LNG from the Lower-48 States (as of August 7, 2013) All Changes Since July 12, 2013 Update Are In Red 1 Company...

210

Applications Received by DOE/FE to Export Domestically Produced...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Applications Received by DOEFE to Export Domestically Produced LNG from the Lower-48 States (as of September 19, 2013) All Changes Since September 11, 2013 Update Are In Red 1...

211

Idaho National Laboratory receives national recognition for Small...  

NLE Websites -- All DOE Office Websites (Extended Search)

DOE-ID Tim Jackson, 208-526-8484 INL Misty Benjamin, 208-526-5940 Idaho National Laboratory receives national recognition for Small Business Mentoring Program IDAHO FALLS The...

212

High-Flux Microchannel Solar Receiver (Fact Sheet)  

Science Conference Proceedings (OSTI)

Oregon State University is one of the 2012 SunShot CSP R&D awardees for their advanced receivers. This fact sheet explains the motivation, description, and impact of the project.

Not Available

2012-09-01T23:59:59.000Z

213

Particle Receiver Integrated with Fluidized Bed (Fact Sheet)  

Science Conference Proceedings (OSTI)

National Renewable Energy Laboratory is one of the 2012 SunShot CSP R&D awardees for their advanced receivers. This fact sheet explains the motivation, description, and impact of the project.

Not Available

2012-09-01T23:59:59.000Z

214

SunShot Initiative: High-Efficiency Receivers for Supercritical...  

NLE Websites -- All DOE Office Websites (Extended Search)

cycle is also being explored. Innovation State-of-the-art solar receivers rely on air or molten salt as the working fluid. However, air has low thermal transfer properties and...

215

Argonne director Isaacs to receive Chicago Council on Science...  

NLE Websites -- All DOE Office Websites (Extended Search)

Argonne director Isaacs to receive Chicago Council on Science and Technology award June 13, 2013 Tweet EmailPrint ARGONNE, Ill. - Eric D. Isaacs, director of the U.S. Department of...

216

Physicist Jim Hammer receives prestigious Edward Teller Award  

NLE Websites -- All DOE Office Websites (Extended Search)

232013 Physicist Jim Hammer receives prestigious Edward Teller Award Breanna Bishop, LLNL, (925) 423-9802, bishop33@llnl.gov High Resolution Image Jim Hammer Jim Hammer, a...

217

LLNL'S Yuan Ping receives DOE Early Career Research Program Award  

NLE Websites -- All DOE Office Websites (Extended Search)

LLNL'S Yuan Ping receives DOE Early Career Research Program Award Breanna Bishop, LLNL, (925) 423-9802, bishop33@llnl.gov Printer-friendly Yuan Ping stands next to the target...

218

Department of Energy Receives Highest Transportation Industry Safety Award  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Receives Highest Transportation Industry Receives Highest Transportation Industry Safety Award Department of Energy Receives Highest Transportation Industry Safety Award May 1, 2007 - 12:45pm Addthis WASHINGTON, DC - The U.S. Department of Energy (DOE) today received the Transportation Community Awareness and Emergency Response (TRANSCAER) Chairman's Award, one of industry's highest transportation safety awards, for helping local communities in emergency preparedness and response. TRANSCAER is a voluntary national organization that assists communities in emergency preparedness and response. "I'm very proud that The Department of Energy has raised the bar for community-based transportation emergency preparedness," Secretary of Energy Samuel W. Bodman said. "Safety is our number one priority, and we will

219

Lempke receives Sandia Emergency Operations Center tour | National Nuclear  

National Nuclear Security Administration (NNSA)

receives Sandia Emergency Operations Center tour | National Nuclear receives Sandia Emergency Operations Center tour | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Lempke receives Sandia Emergency Operations Center tour Lempke receives Sandia Emergency Operations Center tour Posted By Office of Public Affairs NNSA Blog Brian Bielecki, Director & Facility Security Officer for Security &

220

Hanford Projects Receive Sustainability Awards | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Projects Receive Sustainability Awards Projects Receive Sustainability Awards Hanford Projects Receive Sustainability Awards June 7, 2011 - 12:00pm Addthis Media Contact Geoff Tyree, DOE (509) 376-4171 Geoffrey.Tyree@rl.doe.gov RICHLAND, WASH. - Hanford's Department of Energy offices and their contractors received special recognition Tuesday for their part in promoting sustainability. The Department of Energy's Office of Environmental Management in Washington D.C. selected 10 Hanford Site projects to be awarded for excellence in encouraging sustainability, conserving resources, and exemplifying the ideals set forth by Executive Order 13514. The Order was signed by President Barack Obama on October 5, 2009, and challenged federal agencies to make plans and lead by example in "environmental, energy, and economic

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Alaska Native Communities Receive Technical Assistance for Local Clean  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Communities Receive Technical Assistance for Local Communities Receive Technical Assistance for Local Clean Energy Development Alaska Native Communities Receive Technical Assistance for Local Clean Energy Development April 29, 2013 - 3:08pm Addthis News Media Contact (202) 586-4940 WASHINGTON - As part of the Obama Administration's efforts to help Tribal communities across the country enhance their energy security and build a sustainable energy future, the Energy Department and the Denali Commission today announced that five Alaska Native communities will receive technical expertise through the Strategic Technical Assistance Response Team (START) program. Building on five technical assistance awards made last year, the projects selected today will further accelerate local clean energy and energy efficiency projects that advance energy self-sufficiency

222

Pantexan receives Crime Stoppers volunteer award | National Nuclear...  

National Nuclear Security Administration (NNSA)

her dedication last week when she received the Board Member of the Year Award from the Texas Crime Stoppers Council, the first time the honor has gone to a board member from...

223

Hybrid solar central receiver for combined cycle power plant  

DOE Patents (OSTI)

A hybrid combined cycle power plant is described including a solar central receiver for receiving solar radiation and converting it to thermal energy. The power plant includes a molten salt heat transfer medium for transferring the thermal energy to an air heater. The air heater uses the thermal energy to preheat the air from the compressor of the gas cycle. The exhaust gases from the gas cycle are directed to a steam turbine for additional energy production. 1 figure.

Bharathan, D.; Bohn, M.S.; Williams, T.A.

1995-05-23T23:59:59.000Z

224

Hybrid solar central receiver for combined cycle power plant  

DOE Patents (OSTI)

A hybrid combined cycle power plant including a solar central receiver for receiving solar radiation and converting it to thermal energy. The power plant includes a molten salt heat transfer medium for transferring the thermal energy to an air heater. The air heater uses the thermal energy to preheat the air from the compressor of the gas cycle. The exhaust gases from the gas cycle are directed to a steam turbine for additional energy production.

Bharathan, Desikan (Lakewood, CO); Bohn, Mark S. (Golden, CO); Williams, Thomas A. (Arvada, CO)

1995-01-01T23:59:59.000Z

225

What determines the price received by farmers? The case of cocoa in Cameroon  

E-Print Network (OSTI)

2009) What determines the price received by farmers? TheBerkeley. What determines the price received by farmers? Thetheir impact on the prices received by the producers.

Bergaly Kamdem, Cyrille; Galtier, Franck; Gockowski, James; David-Benz, Hélčne; Egg, Johny; Kamgnia Dia, Bernadette

2009-01-01T23:59:59.000Z

226

Increased Power Flow Guidebook  

Science Conference Proceedings (OSTI)

The Increased Power Flow (IPF) Guidebook is a state-of-the-art and best practices guidebook on increasing power flow capacities of existing overhead transmission lines, underground cables, power transformers, and substation equipment without compromising safety and reliability. The Guidebook discusses power system concerns and limiting conditions to increasing capacity, reviews available technology options and methods, illustrates alternatives with case studies, and analyzes costs and benefits of differe...

2005-11-16T23:59:59.000Z

227

Felt-metal-wick heat-pipe solar receiver  

DOE Green Energy (OSTI)

Reflux heat-pipe receivers have been identified as a desirable interface to couple a Stirling-cycle engine with a parabolic dish solar concentrator. The reflux receiver provides power nearly isothermally to the engine heater heads while decoupling the heater head design from the solar absorber surface design. The independent design of the receiver and engine heater head leads to higher system efficiency. Heat pipe reflux receivers have been demonstrated at approximately 65 kW{sub t} power throughput. Several 25 to 30-kW{sub e} Stirling-cycle engines are under development, and will soon be incorporated in commercial dish-Stirling systems. These engines will require reflux receivers with power throughput limits reaching 90-kW{sub t}. The extension of heat pipe technology from 60 kW{sub t} to 100 kW{sub t} is not trivial. Current heat pipe wick technology is pushed to its limits. It is necessary to develop and test advanced wick structure technologies to perform this task. Sandia has developed and begun testing a Bekaert Corporation felt metal wick structure fabricated by Porous Metal Products Inc. This wick is about 95% porous, and has liquid permeability a factor of 2 to 8 times higher than conventional technologies for a given maximum pore radius. The wick has been successfully demonstrated in a bench-scale heat pipe, and a full-scale on-sun receiver has been fabricated. This report details the wick design, characterization and installation into a heat pipe receiver, and the results of the bench-scale tests are presented. The wick performance is modeled, and the model results are compared to test results.

Andraka, C.E.; Adkins, D.R.; Moss, T.A. [Sandia National Labs., Albuquerque, NM (United States); Cole, H.M. [Porous Metal Products, Jacksboro, TX (United States); Andreas, N.H. [Bekaert Corp., Marietta, GA (United States)

1994-12-31T23:59:59.000Z

228

Hanford's 200 West Pump and Treat System Garners Worldwide Attention |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

200 West Pump and Treat System Garners Worldwide 200 West Pump and Treat System Garners Worldwide Attention Hanford's 200 West Pump and Treat System Garners Worldwide Attention August 27, 2013 - 12:00pm Addthis The award recognized CH2M HILL for its excellence in the international water industry. CH2M HILL’s Water Business Group's International Client Sector Director Peter Nicol accepted the award from Global Water Awards Speaker and former Mexican President Vicente Fox. The award recognized CH2M HILL for its excellence in the international water industry. CH2M HILL's Water Business Group's International Client Sector Director Peter Nicol accepted the award from Global Water Awards Speaker and former Mexican President Vicente Fox. The 200 West Pump and Treat System design and construction teams utilized energy efficient and sustainable design elements, including recycled steal. This photo shows the system’s processing equipment. Approximately 539 tons, or 5 percent, of the steel used in construction was recycled.

229

DOE Strategic Petroleum Reserve Contractor Receives the Baldrige Award |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE Strategic Petroleum Reserve Contractor Receives the Baldrige DOE Strategic Petroleum Reserve Contractor Receives the Baldrige Award DOE Strategic Petroleum Reserve Contractor Receives the Baldrige Award April 19, 2006 - 10:21am Addthis Vice President Cheney Presents DOE contractor with the nation's highest Presidential honor for performance excellence and quality achievement WASHINGTON, DC - Vice President Richard Cheney today presented DynMcDermott Petroleum Operations Company, operator of the U.S. Department of Energy's (DOE) Strategic Petroleum Reserve (SPR), with the 2005 Malcolm Baldrige National Quality Award. The Baldrige award is the nation's highest Presidential honor for performance excellence and quality achievement and is presented annually to organizations that distinguish themselves through management excellence and continuous improvement to stakeholders.

230

EM Receives Several Honors in 2011 DOE Sustainability Awards | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Receives Several Honors in 2011 DOE Sustainability Awards Receives Several Honors in 2011 DOE Sustainability Awards EM Receives Several Honors in 2011 DOE Sustainability Awards November 4, 2011 - 12:00pm Addthis Several EM employees, projects and teams were honored as part of the 2011 DOE Sustainability Awards announced this week. The awards recognize the achievements of DOE employees who saved taxpayer money by reducing the Department's use of energy, water, and paper, while improving the energy efficiency of government buildings and vehicles. EM award winners include an American Recovery and Reinvestment Act project to remediate tritium-contaminated debris at the Savannah River Site in an innovative, cost-effective way; the East Tennessee Technology Park, which was recognized for uniquely applying technology to create a paperless

231

Comments Received on Proposed Rulemaking for regulation implementing  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Received on Proposed Rulemaking for regulation Received on Proposed Rulemaking for regulation implementing section 216(h): Coordination of Federal Transmission Permitting on Federal Lands Comments Received on Proposed Rulemaking for regulation implementing section 216(h): Coordination of Federal Transmission Permitting on Federal Lands Section 1221(a) of EPAct 2005, which added section 216(h) to the Federal Power Act, stated that the U.S. Department of Energy (DOE) is to coordinate all Federal authorizations and related environmental reviews needed for siting interstate electric transmission projects, including National Environmental Policy Act of 1969 (NEPA) reviews. The purpose of this coordination is to streamline agencies' review processes and avoid duplication among Federal agencies. Section 216(h) of the Federal Power Act

232

DOE Waste Isolation Pilot Plant Receives EPA Recertification | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Waste Isolation Pilot Plant Receives EPA Recertification Waste Isolation Pilot Plant Receives EPA Recertification DOE Waste Isolation Pilot Plant Receives EPA Recertification March 29, 2006 - 9:42am Addthis CARLSBAD, NM - The U.S. Department of Energy's (DOE) Carlsbad Field Office today reached a significant milestone when its Waste Isolation Pilot Plant (WIPP) was recertified by the U.S. Environmental Protection Agency (EPA). This decision indicates that after a thorough evaluation of the physical state and performance of the facility, the WIPP meets EPA regulatory requirements for facilities that dispose of transuranic waste. The waste facility recertification process occurs every five years and is directed by Congress in the WIPP Land Withdrawal Act (LWA). "EPA's recertification reinforces the important mission of WIPP to safely

233

Savannah River Site Contractor Receives Project Management Institute Award  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Contractor Receives Project Management Contractor Receives Project Management Institute Award Savannah River Site Contractor Receives Project Management Institute Award November 15, 2011 - 12:00pm Addthis SRR Bubbler Project Manager Bill Pepper, center, accepts the PMI Project of the Year award from Eloy Saldivar, left, president of the Savannah River Chapter of PMI. DWPF Facility Manager Les Sonnenberg is on the right. SRR Bubbler Project Manager Bill Pepper, center, accepts the PMI Project of the Year award from Eloy Saldivar, left, president of the Savannah River Chapter of PMI. DWPF Facility Manager Les Sonnenberg is on the right. AIKEN, S.C. - The local chapter of the Project Management Institute (PMI) recently honored the Savannah River Site liquid waste contractor with its 2011 Project of the Year award.

234

2012 Congestion Study Webinars to Present Preliminary Findings and Receive  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Congestion Study Webinars to Present Preliminary Findings and Congestion Study Webinars to Present Preliminary Findings and Receive Input from Stakeholders 2012 Congestion Study Webinars to Present Preliminary Findings and Receive Input from Stakeholders July 19, 2012 - 9:00am Addthis The Department of Energy will host three webinars in August 2012 to present the preliminary findings of the 2012 National Electric Transmission Congestion Study and to receive input and suggestions from state officials, industry representatives, and other stakeholders. Two of the webinars will be designed to discuss with state officials the initial findings of the DOE 2012 congestion analysis. The third webinar will be for industry representatives and other interested parties, although stakeholders may dial into any of the three meetings.

235

Strategic Petroleum Reserve Contractor to Receive 2005 Malcolm Baldrige  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Strategic Petroleum Reserve Contractor to Receive 2005 Malcolm Strategic Petroleum Reserve Contractor to Receive 2005 Malcolm Baldrige National Quality Award Strategic Petroleum Reserve Contractor to Receive 2005 Malcolm Baldrige National Quality Award November 22, 2005 - 2:51pm Addthis Recognition for Management Performance Excellence and Continuous Improvement to Stakeholders WASHINGTON, DC - Secretary of Energy Samuel Bodman today announced that DynMcDermott Petroleum Operations Company, operator of the nation's Strategic Petroleum Reserve (SPR), has been honored with the 2005 Malcolm Baldrige National Quality Award, the nation's highest Presidential honor for quality and organizational performance excellence. President George W. Bush and Commerce Secretary Carlos Gutierrez revealed DynMcDermott's award earlier today, along with five other honorees.

236

Savannah River Site Contractor Receives Project Management Institute Award  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Savannah River Site Contractor Receives Project Management Savannah River Site Contractor Receives Project Management Institute Award Savannah River Site Contractor Receives Project Management Institute Award November 15, 2011 - 12:00pm Addthis SRR Bubbler Project Manager Bill Pepper, center, accepts the PMI Project of the Year award from Eloy Saldivar, left, president of the Savannah River Chapter of PMI. DWPF Facility Manager Les Sonnenberg is on the right. SRR Bubbler Project Manager Bill Pepper, center, accepts the PMI Project of the Year award from Eloy Saldivar, left, president of the Savannah River Chapter of PMI. DWPF Facility Manager Les Sonnenberg is on the right. AIKEN, S.C. - The local chapter of the Project Management Institute (PMI) recently honored the Savannah River Site liquid waste contractor with its

237

LANL spinoff receives NIH grant for respiratory disease diagnostic device  

NLE Websites -- All DOE Office Websites (Extended Search)

LANL spinoff receives NIH grant LANL spinoff receives NIH grant LANL spinoff receives NIH grant for respiratory disease diagnostic device Mesa Tech has been awarded a grant to develop an inexpensive, instrument-free, nucleic-acid testing device to diagnose various respiratory diseases in record time. October 19, 2011 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy

238

DOE Strategic Petroleum Reserve Contractor Receives the Baldrige Award |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Strategic Petroleum Reserve Contractor Receives the Baldrige Strategic Petroleum Reserve Contractor Receives the Baldrige Award DOE Strategic Petroleum Reserve Contractor Receives the Baldrige Award April 19, 2006 - 10:21am Addthis Vice President Cheney Presents DOE contractor with the nation's highest Presidential honor for performance excellence and quality achievement WASHINGTON, DC - Vice President Richard Cheney today presented DynMcDermott Petroleum Operations Company, operator of the U.S. Department of Energy's (DOE) Strategic Petroleum Reserve (SPR), with the 2005 Malcolm Baldrige National Quality Award. The Baldrige award is the nation's highest Presidential honor for performance excellence and quality achievement and is presented annually to organizations that distinguish themselves through management excellence and continuous improvement to stakeholders.

239

Two from APS Receive U. of C. Distinguished Performance Award  

NLE Websites -- All DOE Office Websites (Extended Search)

Two from APS Receive U. of C. Distinguished Performance Award Two from APS Receive U. of C. Distinguished Performance Award Wah-Keat Lee and Jin Wang (both ANL-XFD) are among five scientists from the U.S. Department of Energy's Argonne National Laboratory who have received the 2005 University of Chicago Board of Governors for Argonne Distinguished Performance Award, which recognizes outstanding scientific or technical achievements or a distinguished record of achievements. Wang and Lee are being honored for their success in using X-rays in a wide range of research. Wang is a world-renowned expert in the application of X-ray scattering to a variety of materials science problems. He is best known for his research into the dynamics of fuel sprays, where he applied an innovative research approach and achieved unique results. Lee, after

240

Newest Los Alamos facility receives LEED® Gold certification  

NLE Websites -- All DOE Office Websites (Extended Search)

Newest facility receives LEED® Gold certification Newest facility receives LEED® Gold certification Newest Los Alamos facility receives LEED® Gold certification The Radiological Laboratory Utility Office Building is first to achieve both the Leadership in Energy and Environmental Design status and LEED Gold certification. June 13, 2012 Radiological Laboratory Utility Office Building Radiological Laboratory Utility Office Building Contact Kim Powell Communications Office (505) 695-6159 Email LOS ALAMOS, New Mexico, June 13, 2012-Los Alamos National Laboratory's newest facility, the Radiological Laboratory Utility Office Building (RLUOB), is also its first to achieve both the Leadership in Energy and Environmental Design (LEED) status and LEED Gold certification from the U.S. Green Building Council (USGBC).

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

NETL'S SHOCKLEY RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD  

NLE Websites -- All DOE Office Websites (Extended Search)

SHOCKLEY RECEIVES 2012 EXCELLENCE IN GOVERNMENT SHOCKLEY RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD Morgantown, W.Va. - The National Energy Technology Laboratory's (NETL) Darryl T. Shockley has been selected by the Pittsburgh Federal Executive Board (FEB) for their Excellence in Government Award for Outstanding Contribution to Science (Non-Medical), Silver level. The Award was presented at the 29th annual Awards Program luncheon at the Westin Convention Center Hotel in Pittsburgh on Friday, May 25. Out of the 160 nominations FEB received from regional Federal organizations, NETL was lauded with 3 Gold Awards, 2 Silver Awards, and 5 Bronze Awards. Representatives from 16 Federal agencies, acting as an FEB awards committee, made the semi-final selections, and a panel of representatives from the business and civic community chose

242

WIPP Security Contractor Receives DOE Voluntary Protection Program Award |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Contractor Receives DOE Voluntary Protection Program Contractor Receives DOE Voluntary Protection Program Award WIPP Security Contractor Receives DOE Voluntary Protection Program Award October 24, 2012 - 12:00pm Addthis Department of Energy Carlsbad Field Site Operations Director Casey Gadbury (right) and Farok Sharif, President and Project Manager for Nuclear Waste Partnership LLC, the management and operating contractor at the Waste Isolation Pilot Plant, present the DOE's Voluntary Protection Program Legacy Star Award to Richard De Los Santos, protective force manager for Security Walls, the security contractor at the Waste Isolation Pilot Plant. The DOE-VPP legacy star award is the highest level of recognition possible in the VPP. Department of Energy Carlsbad Field Site Operations Director Casey Gadbury

243

Argonne researcher and his colleagues receive best paper prize | Argonne  

NLE Websites -- All DOE Office Websites (Extended Search)

Argonne researcher and his colleagues receive best paper prize Argonne researcher and his colleagues receive best paper prize November 21, 2013 Tweet EmailPrint Sven Leyffer, senior computational mathematician in Argonne National Laboratory's Mathematics and Computer Science Division, and his colleagues Chungen Shen of Shanghai Finance University and Roger Fletcher of the University of Dundee received the 2012 Best Paper Prize for their paper "A nonmonotone filter method for nonlinear optimization." The paper, which appeared in the international journal Computational Optimization and Applications, was chosen by the editorial board from more than 130 papers. An article about the award-winning paper is featured in the November 2013 issue of the journal. "Our aim was to develop a method that avoided the use of old filter

244

Carlsbad Field Office Receives New Mexico's Silver Award for  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Carlsbad Field Office Receives New Mexico's Silver Award for Carlsbad Field Office Receives New Mexico's Silver Award for Environmental Excellence Carlsbad Field Office Receives New Mexico's Silver Award for Environmental Excellence August 1, 2012 - 12:00pm Addthis DOE Carlsbad Field Office Deputy Manager Ed Ziemianski presents a Waste Isolation Pilot Plant (WIPP) team with the Green Zia Program Silver Level Leader award from the New Mexico Environment Department earlier this month in recognition of environmental initiatives. Shown right of Ziemianski is Farok Sharif, Washington TRU Solutions LLC, the WIPP management and operating contractor, President and General Manager. DOE Carlsbad Field Office Deputy Manager Ed Ziemianski presents a Waste Isolation Pilot Plant (WIPP) team with the Green Zia Program Silver Level

245

Historically Black Colleges and Universities Receive Funds for Fossil  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Historically Black Colleges and Universities Receive Funds for Historically Black Colleges and Universities Receive Funds for Fossil Energy Research Historically Black Colleges and Universities Receive Funds for Fossil Energy Research August 15, 2013 - 1:18pm Addthis Washington, D.C. - Five fossil energy-related projects that will help maintain the nation's energy portfolio while also providing educational and research training opportunities for tomorrow's scientists and engineers have been selected for funding by the U.S. Department of Energy (DOE). The funding opportunity to enhance scientific and technical understanding of conversion and utilization of fossil fuels is through the Office of Fossil Energy's National Energy Technology Laboratory (NETL). The DOE program involved is the Support of Advanced Fossil Resource Utilization

246

DOE Announces First Companies to Receive Industrial Energy Efficiency  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

First Companies to Receive Industrial Energy First Companies to Receive Industrial Energy Efficiency Certification DOE Announces First Companies to Receive Industrial Energy Efficiency Certification December 9, 2010 - 12:00am Addthis WASHINGTON - The U.S. Department of Energy today announced the first industrial plants in the country to be certified under the Superior Energy Performance program -- a new, market-based industrial energy efficiency program. The energy management certification program is accredited by the American National Standards Institute (ANSI) and will serve as a roadmap for industrial facilities to help continually improve their efficiency and maintain market competitiveness. The industrial and manufacturing sectors, which account for roughly one-third of energy use in the United

247

Tax barriers to solar central receiver generation technology  

DOE Green Energy (OSTI)

Tax loads and required revenues are estimated for current and future solar central receiver and gas-fired plants competing in the same market. An economic measure of tax equity is used to evaluate the equity of the tax loads under past and present tax codes. The same measure is used to devise a tax strategy which produces the following two types of equitable taxation: (1) the two plants carry nearly equal tax loads, and (2) local, state and federal governments receive the same distribution of revenues from the solar plant as from the gas-fired plant `Me results show that central receivers (and likely other capital-intensive technologies) carry higher tax loads compared to competing gasfired generation, that tax loads are highly correlated with competitiveness, and that equitable taxation is feasible within the boundaries of the study.

Jenkins, A.F. [California Energy Commission, Sacramento, CA (United States); Reilly, H.E. [Sandia National Labs., Albuquerque, NM (United States)

1994-12-31T23:59:59.000Z

248

On Digital Radio Receiver Performance in Electromagnetic Interference Environments  

E-Print Network (OSTI)

adiated emission from electronic equipment, co-located to a digital radio receiver, can affect receiving performance. It is therefore of great importance that this undesired emission be considered in the early design phase of a system containing radio equipment. For this purpose, methods to estimate the performance degradation on digital radio receivers in such environment must be available. From a military point of view, such methods are necessary for at least two important situations; 1) The communication system is not subject to interference from hostile jammers. In this case, undesired electromagnetic interference will decrease the operating range of the radio link. 2) The communication system is subject to interference from hostile jammers. In this case, the ability to withstand jamming is degraded by the undesired interference, as the latter degrades the signal protection devices in the communication system. A tactical consequence of this is that the jammer can obtain the same ...

Peter Stenumgaard; Peter Stenumgaard; Isrn Kth/rst/r--/ --se

1999-01-01T23:59:59.000Z

249

Functional design criteria 241-AP-102 Flexible Receiver System  

SciTech Connect

A mixer pump was installed in the 1.07 m (42-in.) riser of the central pump pit of tank 241-AP-102 to mitigate potential fluid separation particle sedimentation by mixing the tank`s contents. The mixer pump performed this function until failure. Its removal is now necessary to meet possible tank content removal commitments or other corrective actions. The proposed removal procedure requires a flexible receiver that will provide a barrier to contamination during removal and transfer of the pump to the mixer pump storage container. This document describes the functional design criteria of the flexible receiver. These criteria include the functional and performance requirements of the flexible receiver as a barrier to contamination during normal conditions and contingencies and the instrumentation requirements.

Roblyer, S.P.

1995-02-16T23:59:59.000Z

250

Central receiver power plant: an environmental, ecological, and socioeconomic analysis  

DOE Green Energy (OSTI)

The technical details of the central receiver design are reviewed. Socio-economic questions are considered including: market penetration, air industrial sector model, demands on industry, employment, effluents associated with manufacture of components, strains due to intensive construction, water requirements, and land requirements. The ecological effects in the vicinity of the central receiver plant site are dealt with, with emphasis on effects on land surface, mammals, and reptiles and amphibians. Climatological considerations are reviewed including: desert types, effects of surface albedo modification, effects of aerosols, effects on evaporation rates, the heliostat canopy, effects on turbulent transfer rates, effects on the wind profile, a model of convection about a central receiver plant, and a global scenario. Drawings of heliostat and plant design are included in appendices. (MHR)

Davison, M.; Grether, D.

1977-06-01T23:59:59.000Z

251

EM Receives Several Honors in 2011 DOE Sustainability Awards | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

EM Receives Several Honors in 2011 DOE Sustainability Awards EM Receives Several Honors in 2011 DOE Sustainability Awards EM Receives Several Honors in 2011 DOE Sustainability Awards November 4, 2011 - 12:00pm Addthis Several EM employees, projects and teams were honored as part of the 2011 DOE Sustainability Awards announced this week. The awards recognize the achievements of DOE employees who saved taxpayer money by reducing the Department's use of energy, water, and paper, while improving the energy efficiency of government buildings and vehicles. EM award winners include an American Recovery and Reinvestment Act project to remediate tritium-contaminated debris at the Savannah River Site in an innovative, cost-effective way; the East Tennessee Technology Park, which was recognized for uniquely applying technology to create a paperless

252

Recent reflux receiver developments under the US DOE program  

DOE Green Energy (OSTI)

The United States Department of Energy (DOE) Solar Thermal Program, through Sandia National Laboratories (SNL), is cooperating with industry to commercialize dish-Stirling technology. Sandia and the DOE have actively encouraged the use of liquid metal reflux receivers in these systems to improve efficiency and lower the levelized cost of electricity. The reflux receiver uses two-phase heat transfer as a {open_quotes}thermal transformer{close_quotes} to transfer heat from a parabolic tracking-concentrator to the heater heads of the Stirling engine. The two-phase system leads to a higher available input temperature, lower thermal stresses, longer life, and independent design of the absorber and engine sections. Two embodiments of reflux receivers have been investigated: Pool boilers and heat pipes. Several pool-boiler reflux receivers have been successfully demonstrated on sun at up to 64 kWt throughput at SNL. In addition, a bench-scale device was operated for 7500 hours to investigate materials compatibility and boiling stability. Significant progress has also been made on heat pipe receiver technology. Sintered metal wick heat pipes have been investigated extensively for application to 7.5 kWe and 25 kWe systems. One test article has a massed over 1800 hours of on-sun operation. Another was limit tested at Sandia to 65 kWt throughput. These devices incorporate a nickel-powder thick wick structure with condensate return directly to the wick surface. Circumferential tubular arteries are optionally employed to improve the operating margin. In addition, DOE has begun a development program for advanced wick structures capable of supporting the Utility Scale Joint Venture Program, requiring up to 100 kWt throughput. Promising technologies include a brazed stainless steel powdered metal wick and a stainless steel metal felt wick. Bench-scale testing has been encouraging, and on-sun testing is expected this fall. Prototype gas-fired hybrid solar receivers have also been.

Andraka, C.E.; Diver, R.B.; Moreno, J.B.; Moss, T.A.; Adkins, D.R.

1994-10-01T23:59:59.000Z

253

Sandia National Laboratories: Sandia Receives Award for Electronics  

NLE Websites -- All DOE Office Websites (Extended Search)

News News Environmental Management System Pollution Prevention Sustainable Acquisition Electronics Stewardship Recycling Reuse Outreach Awards News About News Sandia Receives Award for Electronics Stewardship September 19, 2011 electronics stewardship award ALBUQUERQUE, N.M. - Sandia National Laboratories has received an award for reducing the environmental impacts of the computers, printers and other office electronics it uses through its fiscal year 2010 electronics stewardship activities. The U.S. Environmental Protection Agency (EPA) and the Office of the Federal Environmental Executive, which jointly manage the Federal Electronics Challenge (FEC), gave Sandia a silver award for its progress in life cycle electronics stewardship (purchasing, operations and end-of-life

254

Testing of Stirling engine solar reflux heat-pipe receivers  

DOE Green Energy (OSTI)

Alkali metal heat-pipe receivers have been identified as a desirable interface to couple a Stirling-cycle engine with a parabolic dish solar concentrator. The reflux receiver provides power nearly isothermally to the engine heater heads while de-coupling the heater head design from the solar absorber surface design. The independent design of the receiver and engine heater head leads to high system efficiency. Heat pipe reflux receivers have been demonstrated at approximately 30 kW{sub t} power throughput by others. This size is suitable fm engine output powers up to 10 kW{sub e}. Several 25-kW{sub e}, Stirling-cycle engines exist, as well as designs for 75-kW{sub t} parabolic dish solar concentrators. The extension of heat pipe technology from 30 kW{sub t} to 75 kW{sub t} is not trivial. Heat pipe designs are pushed to their limits, and it is critical to understand the flux profiles expected from the dish, and the local performance of the wick structure. Sandia has developed instrumentation to monitor and control the operation of heat pipe reflux receivers to test their throughput limits, and analytical models to evaluate receiver designs. In the past 1.5 years, several heat pipe receivers have been tested on Sandia`s test bed concentrators (TBC`s) and 60-kW{sub t} solar furnace. A screen-wick heat pipe developed by Dynatherm was tested to 27.5 kW{sub t} throughput. A Cummins Power Generation (CPG)/Thermacore 30-kW{sub t} heat pipe was pushed to a throughput of 41 kW{sub t} to verify design models. A Sandia-design screen-wick and artery 75-kW{sub t} heat pipe and a CPG/Thermacore 75-kW{sub t} sintered-wick heat pipe were also limit tested on the TBC. This report reviews the design of these receivers, and compares test results with model predictions.

Rawlinson, S.; Cordeiro, P.; Dudley, V.; Moss, T.

1993-07-01T23:59:59.000Z

255

Diesel prices increase nationally  

U.S. Energy Information Administration (EIA) Indexed Site

Diesel prices increase nationally The U.S. average retail price for on-highway diesel fuel rose to 3.91 a gallon on Monday. That's up 1.3 cents from a week ago, based on the...

256

Diesel prices increase  

U.S. Energy Information Administration (EIA) Indexed Site

Diesel prices increase The U.S. average retail price for on-highway diesel fuel rose to 3.84 a gallon on Monday. That's up 2.2 cents from a week ago, based on the weekly price...

257

On-sun test results from second-generation and advanced-concepts alkali-metal pool-boiler receivers  

DOE Green Energy (OSTI)

Two 75-kW{sub t} alkali-metal pool-boiler solar receivers have been successfully tested at Sandia National Laboratories` National Solar Thermal Test Facility. The first one, Sandia`s `` second-generation pool-boiler receiver,`` was designed to address commercialization issues identified during post-test assessment of Sandia`s first-generation pool-boiler receiver. It was constructed from Haynes alloy 230 and contained the alkali-metal alloy NaK-78. The absorber`s wetted side had a brazed-on powder-metal coating to stabilize boiling. This receiver was evaluated for boiling stability, hot- and warm-restart behavior, and thermal efficiency. Boiling was stable under all conditions. All of the hot restarts were successful. Mild transient hot spots observed during some hot restarts were eliminated by the addition of 1/3 torr of xenon to the vapor space. All of the warm restarts were also successful. The heat-transfer crisis that damaged the first receiver did not recur. Thermal efficiency was 92.3% at 750{degrees}C with 69.6 kW{sub t} solar input. The second receiver tested, Sandia`s ``advanced-concepts receiver,`` was a replica of the first-generation receiver except that the cavities, which were electric-discharge-machined in the absorber for boiling stability, were eliminated. This step was motivated by bench-scale test results that showed that boiling stability improved with increased heated-surface area, tilt of the heated surface from vertical, and added xenon. The bench-scale results suggested that stable boiling might be possible without heated-surface modification in a 75-kW{sub t} receiver. Boiling in the advanced-concepts receiver with 1/3 torr of xenon added has been stable under all conditions, confirming the bench-scale tests.

Moreno, J.B.; Andraka, C.E.; Moss, T.A.; Cordeiro, P.G.; Dudley, V.E.; Rawlinson, K.S.

1994-05-01T23:59:59.000Z

258

Effects of guided and unguided style learning on user attention in a virtual environment  

Science Conference Proceedings (OSTI)

In this paper, we investigated the effects of guided and unguided style VR learning on user attention and retained knowledge. We conducted a study where users performed guided or unguided style learning in the virtual environment while user attention ...

Jayoung J. Goo; Kyoung S. Park; Moonhoen Lee; Jieun Park; Minsoo Hahn; Hyungil Ahn; Rosalind W. Picard

2006-04-01T23:59:59.000Z

259

Analog Baseband Circuits for WCDMA Direct-Conversion Receivers  

E-Print Network (OSTI)

This thesis describes the design and implementation of analog baseband circuits for low-power single-chip WCDMA direct-conversion receivers. The reference radio system throughout the thesis is UTRA/FDD. The analog baseband circuit consists of two similar channels, which contain analog channel-select filters, programmable-gain amplifiers, and circuits that remove DC offsets. The direct-conversion architecture is described and the UTRA/FDD system characteristics are summarized. The UTRA/FDD specifications define the performance requirement for the whole receiver. Therefore, the specifications for the analog baseband circuit are obtained from the receiver requirements through calculations performed by hand. When the power dissipation of an UTRA/FDD direct-conversion receiver is minimized, the design parameters of an all-pole analog channel-select filter and the following Nyquist rate analog-to-digital converter must be considered simultaneously. In this thesis, it is shown that minimum power consumption is achieved with a fifth-order lowpass filter and a 15.36-MS/s Nyquist rate converter that has a 7- or 8-bit resolution. A fifth-order Chebyshev prototype with a passband ripple of 0.01dB and a –3-dB frequency of 1.92-MHz is adopted in this thesis. The

Jarkko Jussila; Teknillinen Korkeakoulu; Otamedia Oy

2003-01-01T23:59:59.000Z

260

Solar central receiver technology: the Solar Two Project  

DOE Green Energy (OSTI)

Solar Two will be the world`s largest operating solar central receiver power plant. It is expected to begin operating in April 1996; it is currently undergoing start-up and checkout. The plant will use sunlight reflected from 1926 sun-tracking mirrors to heat molten nitrate salt flowing in a heat exchanger (receiver) that sits atop a 200 foot tower. The heated salt will be stored in a tank for use, when needed, to generate superheated steam for producing electricity with a conventional Rankine-cycle turbine/generator. The purpose of the project is to validate molten-salt solar central receiver technology and to reduce the perceived risks associated with the first full-scale commercial plants. Already, much has been learned during the project including the effects of trace contaminants in the salt and the large effect of wind on the receiver. There is also much that remains to be learned. This report describes the technical status of the Solar Two project including a summary of lessons learned to date.

Sutherland, J.P. [Southern California Edison Co., Irwindale, CA (United States)

1996-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Technical Safety Requirements (TSR) for Waste Receiving & Processing (WRAP) facility  

SciTech Connect

These Technical Safety Requirements (TSRs) define the Administrative Controls required to ensure safe operation of the Waste Receiving and Processing Facility (WRAP). As will be shown in the report, Safety Limits, Limiting Control Settings, Limiting Conditions for Operation, and Surveillance Requirements are not required for safe operation of WRAP.

TOMASZEWSKI, T.A.

2001-07-10T23:59:59.000Z

262

Publications Received Books listed below that are marked with a  

E-Print Network (OSTI)

Technologies, edited by Graeme Hirst, volume 6), 2010, ix+91 pp; paperbound, ISBN 978-1-59829-831-4, $30Publications Received Books listed below that are marked with a or an § have been selected@cljournal.org. Authors and publishers who wish their publications to be considered for review in Computational

263

Publications Received Books listed below that are marked with a  

E-Print Network (OSTI)

, volume 63), 2007, ix+364 pp; hardbound, ISBN 978-90-420-2233-1, 75.00 Genesis Redux: Essays of Chicago Press, 2007, xvii+389 pp; hardbound, 135 #12;Computational Linguistics Volume 34, Number 1 ISBNPublications Received Books listed below that are marked with a have been selected for review

264

Publications Received Books listed below that are marked with a  

E-Print Network (OSTI)

technology series, edited by Nancy Ide and Jean V ´eronis, volume 21), 2003, xxxi+482 pp; hardbound, ISBN 1) #12;118 Computational Linguistics Volume 30, Number 1 (Air Force Research Laboratory, Wright117 Publications Received Books listed below that are marked with a have been selected for review

265

Publications Received Books listed below that are marked with a  

E-Print Network (OSTI)

Publications (distributed by the University of Chicago Press), 2002, vii+214 pp; hardbound, ISBN 1-57586-293-X), 2003, xxx+1277 pp; hardbound, ISBN #12;154 Computational Linguistics Volume 29, Number 1 0153 Publications Received Books listed below that are marked with a have been selected for review

266

DESIGN OF A MICROCHANNEL BASED SOLAR RECEIVER/REACTOR FOR  

E-Print Network (OSTI)

DESIGN OF A MICROCHANNEL BASED SOLAR RECEIVER/REACTOR FOR METHANE-STEAM REFORMING Drost, K. J- current experimental data [1, 2]. Methane-steam reforming is modeled by three reduced-order reactions and modeling are used to investigate the strong endothermic reactions of methane-steam reforming inside

Apte, Sourabh V.

267

Self-homodyne RF-optical microdisk receiver  

E-Print Network (OSTI)

modulation with optical transfer function (Po VRF 2 ) Self-homodyne RF-photonic receiver f ip Nonlinear and nonlinear modulation Transmittedoptical power t Wavelength t t Linear (Po VRF) Nonlinear (Po VRF 2) VRF ),,,,,( , 0 2 0 2 2 tPQGf dV Pd N EinoV VRF RF == = Microdisk optical mixer (laser= res) GV : voltage gain Q

Levi, Anthony F. J.

268

Third-party financing of central-receiver repowering projects  

DOE Green Energy (OSTI)

An innovative third party financing approach for the first solar thermal repowering plants is investigated that may reduce the need for direct DOE cost sharing during the early application of central receiver technology by industry. Third party refers to a corporation, partnership, or a joint venture that can take advantage of existing financial incentives. The available financial incentives are summarized, including the guaranteed market for central receiver power provided by Section 210 of the Public Utility Regulatory Policy Act, and federal and state tax credits and depreciation schedules. The economics of third party central receiver repowering plant financing is analyzed, and the case history of the Arizona Public Service Utility Saguaro Plant No. 1 is used as an example. Finally, a sensitivity analysis examines the effects of variations of different financial parameters on the return on investment. It is found that a substantial portion of investment equity can be recovered in the first few years of plant operation, and good future years cash flows appear possible. Third party financing appears capable of helping stimulate mass production of heliostats and a rapid transfer of central receiver technology to utilities and industry, with attending economic benefits. (LEW)

Munjal, P. K.; Walter, J.; Mathur, P. N.

1981-12-01T23:59:59.000Z

269

Modular assembly of a photovoltaic solar energy receiver  

DOE Patents (OSTI)

There is provided a modular assembly of a solar energy concentrator having a photovoltaic energy receiver with passive cooling. Solar cell means are fixedly coupled to a radiant energy concentrator. Tension means bias a large area heat sink against the cell thereby allowing the cell to expand or contract with respect to the heat sink due to differential heat expansion.

Graven, Robert M. (Downers Grove, IL); Gorski, Anthony J. (Lemont, IL); Schertz, William W. (Batavia, IL); Graae, Johan E. A. (Elmhurst, IL)

1978-01-01T23:59:59.000Z

270

Mutual information bounds for MIMO channels under imperfect receiver CSI  

Science Conference Proceedings (OSTI)

We propose an upper and a lower bound on the mutual information of a pilot-aided MIMO link operating under imperfect receiver CSI. Said bounds depend on the linear channel estimator employed. They can be understood as a generalization of results from ...

Adriano Pastore; Michael Joham

2009-11-01T23:59:59.000Z

271

Book Reviews Books Received METATAXISIN PRACTICE:DEPENDENCYSYNTAXFOR  

E-Print Network (OSTI)

Book Reviews Books Received METATAXISIN PRACTICE:DEPENDENCYSYNTAXFOR MULTILINGUALMACHINETRANSLATION-6765-421-3, $26.00, Dfl 52.-. Tesni~re's term mbtataxe refers to structural change in transla- tion. In this book- dency syntaxes of two different languages for translation. The book gives dependency syntaxes

272

Radio frequency circuits for wireless receiver front-ends  

E-Print Network (OSTI)

The beginning of the 21st century sees great development and demands on wireless communication technologies. Wireless technologies, either based on a cable replacement or on a networked environment, penetrate our daily life more rapidly than ever. Low operational power, low cost, small form factor, and function diversity are the crucial requirements for a successful wireless product. The receiver??s front-end circuits play an important role in faithfully recovering the information transmitted through the wireless channel. Bluetooth is a short-range cable replacement wireless technology. A Bluetooth receiver architecture was proposed and designed using a pure CMOS process. The front-end of the receiver consists of a low noise ampli?er (LNA) and mixer. The intermediate frequency was chosen to be 2MHz to save battery power and alleviate the low frequency noise problem. A conventional LNA architecture was used for reliability. The mixer is a modi?ed Gilbert-cell using the current bleeding technique to further reduce the low frequency noise. The front-end draws 10 mA current from a 3 V power supply, has a 8.5 dB noise ?gure, and a voltage gain of 25 dB and -9 dBm IIP3. A front-end for dual-mode receiver is also designed to explore the capability of a multi-standard application. The two standards are IEEE 802.11b and Bluetooth. They work together making the wireless experience more exciting. The front-end is designed using BiCMOS technology and incorporating a direct conversion receiver architecture. A number of circuit techniques are used in the front-end design to achieve optimal results. It consumes 13.6 mA from a 2.5 V power supply with a 5.5 dB noise ?gure, 33 dB voltage gain and -13 dBm IIP3. Besides the system level contributions, intensive studies were carried out on the development of quality LNA circuits. Based on the multi-gated LNA structure, a CMOS LNA structure using bipolar transistors to provide linearization is proposed. This LNA con?guration can achieve comparable linearity to its CMOS multi-gated counterpart and work at a higher frequency with less power consumption. A LNA using an on-chip transformer source degeneration is proposed to realize input impedance matching. The possibility of a dual-band cellular application is studied. Finally, a study on ultra-wide band (UWB) LNA implementation is performed to explore the possibility and capability of CMOS technology on the latest UWB standard for multimedia applications.

Xin, Chunyu

2004-08-01T23:59:59.000Z

273

Disk Quota Increase Request  

NLE Websites -- All DOE Office Websites (Extended Search)

Disk Disk Quota Increase Disk Quota Increase Request NERSC will consider reasonable requests for changes in disk space and inode limits. Please submit a request through the "Request Forms" section at the NERSC help portal. If you select "Hopper scratch directory" from the "File System" menu below, the quota value requested applies to the combined contents of $SCRATCH and $SCRATCH2. Please ask for the least amount of resources you need, since the sum of disk space and inodes allocated to users already exceeds system capacity. In other words, system resources would be exhausted before all users could use their existing quotas. You can find out the current quotas and usage of disk space and inodes for your home and scratch file systems with the myquota command. You can find

274

Pemex increasing offshore activity  

SciTech Connect

Although austere by boom-year standards, Mexico's National Energy Program for 1984-1988 calls for forty wildcats and 90 to 144 development wells off the coast, primarily in the prolific Campeche Bay area. Platform additions will include nine drilling platforms, each for twelve wells, and eight eight platforms to drill injection wells. Additionally, 7 production, 6 accomodation, 6 linkage and 8 compression platforms and 13 tetrapods will be installed. The main objectives of the plan are energy self-sufficiency through the turn of the century, and energy diversification, savings and productivity. The most controversial portion of Mexico's energy program is that calling for nuclear energy development. The energy program lists three basic goals in hydrocarbon production: continuing research on better techniques of secondary recovery; increasing capacity for refining primary and secondary crude products and improving production of heavy crudes; and increasing storage capacity and installing pipelines capable of carrying a greater volume of crude.

Beachy, D.

1985-05-01T23:59:59.000Z

275

Los Alamos National Laboratory employees receive Pollution Prevention  

NLE Websites -- All DOE Office Websites (Extended Search)

Pollution Prevention Awardees Pollution Prevention Awardees Los Alamos National Laboratory employees receive Pollution Prevention Awards Nearly 400 employees on 47 teams received Pollution Prevention awards for protecting the environment and saving taxpayers more than $8 million. April 23, 2013 Molten plutonium in a crucible. The improved processing of old plutonium generates less than half of the waste of the former process. Molten plutonium in a crucible. The improved processing of old plutonium generates less than half of the waste of the former process. Contact Steve Sandoval Communications Office (505) 665-9206 Email The Pollution Prevention Awards are the result of people taking the initiative to improve their own operations. Protecting environment, saving taxpayer dollars LOS ALAMOS, N.M., April 23, 2013-Nearly 400 Los Alamos National

276

Chemical Scientist Hendrik Bluhm Receives Bessel Research Award  

NLE Websites -- All DOE Office Websites (Extended Search)

Chemical Scientist Hendrik Bluhm Chemical Scientist Hendrik Bluhm Receives Bessel Research Award Chemical Scientist Hendrik Bluhm Receives Bessel Research Award Print Friday, 24 May 2013 00:00 Hendrik Bluhm of the Lab's Chemical Sciences Division is the recipient of the Friedrich Wilhelm Bessel Research award, bestowed by Germany's Alexander von Humboldt Foundation. Award winners are honored for their outstanding research record and invited to spend a period of up to one year cooperating on a long-term research project with specialist colleagues at a research institution in Germany. Bluhm works on beamline 11.0.2 at the Advanced Light Source, investigating solid/vapor and liquid/vapor interfaces under realistic conditions of pressure and temperature, using photoelectron spectroscopy and scanning probe microscopy

277

NETL: News Release - NETL Researchers Receive Four Patents in 2007  

NLE Websites -- All DOE Office Websites (Extended Search)

23, 2008 23, 2008 NETL Researchers Receive Four Patents in 2007 Inventions Benefit Combustion, Fuel Cell Fossil Energy Systems Morgantown, W.Va.- Researchers at the National Energy Technology Laboratory (NETL) received four patents in 2007 to improve the performance of combustion and fuel cell systems while capturing a variety of components from flue gas, including the greenhouse gas carbon dioxide (CO2). "Each year, the corollary to the research efforts in the Department of Energy's national laboratories is the award of patents that take us one step closer to achieving national goals for clean, secure, and affordable energy," said NETL Director Carl Bauer. "This year, patents issued to NETL researchers will bolster the performance of the nation's combustion and fuel cell systems, while improving the prospects for capturing CO2 and other gases."

278

Pantex receives National Weather Service recognition | National Nuclear  

NLE Websites -- All DOE Office Websites (Extended Search)

National Weather Service recognition | National Nuclear National Weather Service recognition | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Pantex receives National Weather Service recognition Pantex receives National Weather Service recognition Posted By Office of Public Affairs On the plains of the Texas Panhandle, it pays to be ready for unpredictable

279

Pantex receives two safety awards | National Nuclear Security  

National Nuclear Security Administration (NNSA)

two safety awards | National Nuclear Security two safety awards | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Pantex receives two safety awards Pantex receives two safety awards Posted By Office of Public Affairs B&W Pantex was honored last week with a pair of awards for its exemplary safety record. The President's Award for Best Performing Business Unit and the Target

280

Solar Central Receiver Prototype Heliostat. Volume I. Final technical report  

DOE Green Energy (OSTI)

The objective of this project was to support the Solar Central Receiver Power Plant research, development and demonstration effort by: (1) Establishment of a heliostat design, with associated manufacturing, assembly, installation and maintenance approaches, that, in quantity production will yield significant reductions in capital and operating costs over an assumed 30 year plant lifetime as compared with existing designs; and (2) Identification of needs for near term and future research and development in heliostat concept, materials, manufacture, installation, maintenance, and other areas, where successful accomplishment and application would offer significant payoffs in the further reduction of the cost of electrical energy from solar central receiver power plants. The prototype heliostat design is presented in detail; and manufacturing, installation, and maintenance procedures described. (WHK)

None

1979-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Evaluation tests for photovoltaic concentrator receiver sections and modules  

DOE Green Energy (OSTI)

Sandia has developed a third-generation set of specifications for performance and reliability testing of photovoltaic concentrator modules. Several new requirements have been defined. The primary purpose of the tests is to screen new concentrator designs and new production runs for susceptibility to known failure mechanisms. Ultraviolet radiation testing of materials precedes receiver section and module performance and environmental tests. The specifications include the purpose, procedure, and requirements for each test. Recommendations for future improvements are presented.

Woodworth, J.R.; Whipple, M.L.

1992-06-01T23:59:59.000Z

282

Receiving information at Korean and Taiwanese universities, industry, and GRIs  

Science Conference Proceedings (OSTI)

This article examines the incentive structure underlying information transfers received by the three key players of the Triple Helix paradigm: universities, industry, and government research institutes (GRIs). For Korea and Taiwan, which are the cases ... Keywords: 62J05, 62J10, 62P20, 62P25, 91F99, East Asian developmental state, Information flows, Information transfer, O31, O32, O33, O34, O39, R&D collaboration, Technology spillovers, Triple helix relations

Matthew A. Shapiro

2012-01-01T23:59:59.000Z

283

Solar central receiver prototype heliostat. Interim technical progress report  

DOE Green Energy (OSTI)

The objective of Phase I of this project is to support the Solar Central Receiver Power Plant research, development and demonstration effort by: (1) Establishment of a heliostat design, with associated manufacturing, assembly, installation and maintenance approaches, that, in quantity production will yield significant reductions in capital and operating costs over an assumed 30 year plant lifetime as compared with existing designs. (2) Identification of needs for near term and further research and development in heliostat concept, materials, manufacture, installation, maintenance, and other areas, where successful accomplishment and application would offer significant payoffs in the further reduction of the cost of electrical energy from Solar Central Receiver Power Plants. The Phase I study will define a low-cost heliostat preliminary design and the conceptual design of a heliostat manufacturing/installation plan which will result in low life cycle cost when produced and installed at high rate and large quantities for commercial Solar Central Receiver Power Plants. The study will develop the annualized life cycle cost and the performance of heliostats for a 30 year plant life, for each of three rates of continuous production and installation. The three specified rates are 25,000, 250,000, and 1,000,000 heliostats per year. The analysis of these varying production rates, requiring highly automated tooling and installation equipment concepts, will define the economies of large scale not realizable on Pilot Plant or Demonstration Plant installations. Project status is described in detail. (WHK)

None

1978-04-05T23:59:59.000Z

284

Power efficiency for very high temperature solar thermal cavity receivers  

DOE Patents (OSTI)

This invention is an improved solar energy cavity receiver for exposing materials and components to high temperatures. The receiver includes a housing having an internal reflective surface defining a cavity and having an inlet for admitting solar radiation thereto. A photothermal absorber is positioned in the cavity to receive radiation from the inlet. A reflective baffle is positioned between the absorber and the inlet to severely restrict the re-radiation of energy through the inlet. The front surface of the baffle defines a narrow annulus with the internal reflective surface of the housing. The front surface of the baffle is contoured to reflect incoming radiation onto the internal surface of the housing, from which it is reflected through the annulus and onto the front surface of the absorber. The back surface of the baffle intercepts infrared radiation from the front of the absorber. With this arrangement, a high percentage of the solar power input is retained in the cavity; thus, high internal temperatures are attained.

McDougal, Allan R. (LaCanada-Flintridge, CA); Hale, Robert R. (Upland, CA)

1984-01-01T23:59:59.000Z

285

Essays on the Impact of Presidential and Media-Based Usage of Anxiety-Producing Rhetoric on Dynamic Issue Attention  

E-Print Network (OSTI)

The intention of the project is to determine whether political elites have to discuss an issue using a specific emotional tone before the public and other political elites consider that issue a problem. Research has not yet demonstrated under what conditions elite rhetorical cues can heighten issue attention. Past studies have suggested that an increase in the absolute intensity of elite issue discussion can heighten perceptions of an issue as a problem. The problem with this notion is that within that absolute issue discussion, elites might simply be repeatedly saying conditions related to an issue are stable. They might also be presenting basic factual background information about an issue, a type of discussion unlikely to capture the interest of many in the political system. There has to be a specific type of cue that elites can offer to compel others in the political system to reconsider their outlook on issue salience. Derived from dual systems theories of emotion, the dissertation predicts that issue discussion that heightens feelings of anxiety increases the likelihood of an altered outlook on issue salience. To evaluate this prediction, time series statistical techniques are employed. The time series models evaluate whether prior change in the level of anxietybased cues by the president and the media predict changes in the level of attention the public offers to that issue. The same types of models evaluate whether this form of issue discussion by the president predicts issue dynamics of the media, and vice-versa. The several issues studied are crime, health care, poverty, and the environment. Information spanning thirty years is collected from presidential papers, general and ideological media newspaper coverage, and multiple public survey organizations. The findings suggest anxiety-based issue discussion does have the potential to guide issue attention. Prior changes in anxiety-based cues do predict future levels of attention the public provides to issues. A positive shift in anxiety cues by elites appears to have the capacity to increase public attention to issues. This increase though appears to be very small and abbreviated, suggesting limited effects. Elites do not appear to influence each other through anxiety cues.

Olds, Christopher Paul

2011-12-01T23:59:59.000Z

286

Justification for Shielded Receiver Tube Additional Lead Shielding  

Science Conference Proceedings (OSTI)

In order to reduce high radiation dose rates encountered when core sampling some radioactive waste tanks the addition of 240 lbs. of lead shielding is being considered to the shielded receiver tube on core sample trucks No.1, No.3 and No.4. The lead shielding is 4 inch diameter x 1/2 inch thick half rounds that have been installed around the SR tube over its' full length. Using three unreleased but independently reviewed structural analyses HNF-6018 justifies the addition of the lead shielding.

BOGER, R.M.

2000-04-11T23:59:59.000Z

287

Predictions of convective losses from a solar cavity receiver  

SciTech Connect

Convective losses arising from buoyancy driven flow were calculated for a two-dimensional model simulating a solar cavity receiver. The TEMPEST code, capable of fully three-dimensional coupled thermal-hydraulic transient calculations, was used for the simulation. Predicted velocity and temperature results for a 2.59 m deep by 2.88 m high rectangular cavity with an aperture opening of 1.72 m were used to determine convective losses for prescribed interior wall temperatures and cavity orientation. Velocity vector and temperature isotherm plots were used to analyze flow characteristics.

Eyler, L.L.

1979-12-01T23:59:59.000Z

288

Evaluation of solar-air-heating central-receiver concepts  

DOE Green Energy (OSTI)

The potential of seven proposed air-heating central receiver concepts are evaluated based on an independent, uniform of each one's performance and cost. The concepts include: metal tubes, ceramic tubes, sodium heat pipes, ceramic matrix, ceramic domes, small particles, and volumetric heat exchange. The selection of design points considered in the analysis, the method and ground rules used in formulating the conceptual designs are discussed, and each concept design is briefly described. The method, ground rules, and models used in the performance evaluation and cost analysis and the results are presented. (LEW)

Bird, S.P.; Drost, M.K.; Williams, T.A.; Brown, D.R.; Fort, J.A.; Garrett-Price, B.A.; Hauser, S.G.; McLean, M.A.; Paluszek, A.M.; Young, J.K.

1982-06-01T23:59:59.000Z

289

EXAMINE AND EVALUATE A PROCESS TO USE SALT CAVERNS TO RECEIVE SHIP BORNE LIQUEFIED NATURAL GAS  

SciTech Connect

The goal of the U.S. Department of Energy cooperative research project is to define, describe, and validate, a process to utilize salt caverns to receive and store the cargoes of LNG ships. The project defines the process as receiving LNG from a ship, pumping the LNG up to cavern injection pressures, warming it to cavern compatible temperatures, injecting the warmed vapor directly into salt caverns for storage, and distribution to the pipeline network. The performance of work under this agreement is based on U.S. Patent 5,511,905, and other U.S. and Foreign pending patent applications. The cost sharing participants in the research are The National Energy Technology Laboratory (U.S. Department of Energy), BP America Production Company, Bluewater Offshore Production Systems (U.S.A.), Inc., and HNG Storage, L.P. Initial results indicate that a salt cavern based receiving terminal could be built at about half the capital cost, less than half the operating costs and would have significantly higher delivery capacity, shorter construction time, and be much more secure than a conventional liquid tank based terminal. There is a significant body of knowledge and practice concerning natural gas storage in salt caverns, and there is a considerable body of knowledge and practice in handling LNG, but there has never been any attempt to develop a process whereby the two technologies can be combined. Salt cavern storage is infinitely more secure than surface storage tanks, far less susceptible to accidents or terrorist acts, and much more acceptable to the community. The project team developed conceptual designs of two salt cavern based LNG terminals, one with caverns located in Calcasieu Parish Louisiana, and the second in Vermilion block 179 about 50 miles offshore Louisiana. These conceptual designs were compared to conventional tank based LNG terminals and demonstrate superior security, economy and capacity. The potential for the development of LNG receiving terminals, utilizing salt caverns for storage and the existing comprehensive pipeline system has profound implications for the next generation of LNG terminals. LNG imports are expected to become an increasingly more important part of the U.S. energy supply and the capacities to receive LNG securely, safely, and economically must be expanded. Salt cavern LNG receiving terminals both in onshore and offshore locations can be quickly built and provide additional import capacity into the U.S. exceeding 6-10 Bcf/day in the aggregate.

Michael M. McCall; William M. Bishop; D. Braxton Scherz

2003-04-24T23:59:59.000Z

290

Receiver Architecture for 12.5 Gb/s 16-ary Pulse Position Modulation (PPM) Signaling  

SciTech Connect

PPM is a signaling scheme that enables the transmission of multiple bits per symbol [1]. It has found favor in the regime of free space optical communications ('FSO' or 'Lasercom'); however, PPM has yet to be widely applied to fiber optic-based communications. Its limitation in fiber results from the exceedingly high bandwidth requirements needed to electronically process a directly detected pulse, especially as the symbol rate increases and the pulse width correspondingly decreases. As a solution, we introduced the concept of a virtual quadrant receiver for receiving 1.25 Gb/s 4-ary PPM, where photonic processing reduced the number of required electronic components [2]. In this paper, we extend these photonic process techniques to a 16-ary, 12.5 Gb/s (10 Gb/s plus 8B/10B line coding) PPM communications system for fiber optic avionics, wherein much of the receiver processing is enabled by techniques based on planar lightwave circuits (PLCs). The architecture is applicable to higher input data rates and M-ary PPM. In the following, we present the PPM encoding and decoding architectures and numerically simulated results.

Mendez, A J; Gagliardi, R M; Hernandez, V J; Bennett, C V

2008-07-11T23:59:59.000Z

291

Paying Attention to the Man behind the Curtain  

E-Print Network (OSTI)

In the push to develop smart energy systems, designers have increasingly focused on systems that measure and predict user behavior to effect optimal energy consumption. While such focus is an important component in these ...

Cummings, M. L.

292

FOIA Requests Received by DOE HQ in 2008 | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

- December 2008 More Documents & Publications FOIA Requests Received by DOE HQ in 2009 FOIA Requests received by DOE Headquarters (HQ) since December 31, 2008 Audit Report: IG-0812...

293

Better Buildings Neighborhood Program: EnergyWorks Grabs Attention in Calm  

NLE Websites -- All DOE Office Websites (Extended Search)

EnergyWorks EnergyWorks Grabs Attention in Calm and Stormy Weather with Intuitive Ads to someone by E-mail Share Better Buildings Neighborhood Program: EnergyWorks Grabs Attention in Calm and Stormy Weather with Intuitive Ads on Facebook Tweet about Better Buildings Neighborhood Program: EnergyWorks Grabs Attention in Calm and Stormy Weather with Intuitive Ads on Twitter Bookmark Better Buildings Neighborhood Program: EnergyWorks Grabs Attention in Calm and Stormy Weather with Intuitive Ads on Google Bookmark Better Buildings Neighborhood Program: EnergyWorks Grabs Attention in Calm and Stormy Weather with Intuitive Ads on Delicious Rank Better Buildings Neighborhood Program: EnergyWorks Grabs Attention in Calm and Stormy Weather with Intuitive Ads on Digg Find More places to share Better Buildings Neighborhood Program:

294

Experimental validation of different modeling approaches for solid particle receivers.  

Science Conference Proceedings (OSTI)

Solid particle receivers have the potential to provide high-temperature heat for advanced power cycles, thermochemical processes, and thermal storage via direct particle absorption of concentrated solar energy. This paper presents two different models to evaluate the performance of these systems. One model is a detailed computational fluid dynamics model using FLUENT that includes irradiation from the concentrated solar flux, two-band re-radiation and emission within the cavity, discrete-phase particle transport and heat transfer, gas-phase convection, wall conduction, and radiative and convective heat losses. The second model is an easy-to-use and fast simulation code using Matlab that includes solar and thermal radiation exchange between the particle curtain, cavity walls, and aperture, but neglects convection. Both models were compared to unheated particle flow tests and to on-sun heating tests. Comparisons between measured and simulated particle velocities, opacity, particle volume fractions, particle temperatures, and thermal efficiencies were found to be in good agreement. Sensitivity studies were also performed with the models to identify parameters and modifications to improve the performance of the solid particle receiver.

Khalsa, Siri Sahib S.; Amsbeck, Lars (German Aerospace Center (DLR), Spain and Stuttgart, Germany); Roger, Marc (German Aerospace Center (DLR), Spain and Stuttgart, Germany); Siegel, Nathan Phillip; Kolb, Gregory J.; Buck, Reiner (German Aerospace Center (DLR), Spain and Stuttgart, Germany); Ho, Clifford Kuofei

2009-07-01T23:59:59.000Z

295

Performance of the Solar Two central receiver power plant  

DOE Green Energy (OSTI)

Solar Two is a utility-led project to promote the commercialization of solar power towers by retrofitting the Solar One pilot plant from a water/steam-based system to a molten salt system. Solar Two is capable of producing 10 MW(e) net electricity with enough thermal storage capacity to operate the turbine for three hours after sunset. The plant was turned over to its operations and maintenance contractor in February 1998, marking transition from start-up to the test and evaluation phase. Solar Two has collected as much as 230 MWh thermal and generated as much as 72 MWh(e) gross electricity in one day. The plant has demonstrated dispatchability after dark, during clouds, and during sunshine hours. To date, Solar Two has collected thermal energy at a maximum rate of 39 MW(t) and generated gross electricity at a maximum rate of 11.1 MW(e). Important lessons have been learned in the areas of heat trace, valve selection, materials of construction, and steam generator design. Testing has begun in a number of areas relating to receiver performance, storage tank performance, salt chemistry, overnight thermal conditioning, electricity dispatching, performance monitoring and evaluation, availability tracking, and receiver controls.

Prairie, M.R.; Pacheco, J.E.; Gilbert, R.L.; Reilly, H.E. [Sandia National Labs., Albuquerque, NM (United States); Speidel, P.J. [Shada Environmental Specialists, Inc., Huntington Beach, CA (United States); Kelly, B.D. [Bechtel Corp., San Francisco, CA (United States)

1998-09-01T23:59:59.000Z

296

Attention deficit hyperactivity disorder: facts, treatments and alternative resources: a handbook for parents, educators, and researchers.  

E-Print Network (OSTI)

??The purpose of this project was to create a handbook for parents, educators, and researchers on information regarding Attention Deficit Hyperactivity Disorder (ADHD). Material in… (more)

Titcher, Daniel

2013-01-01T23:59:59.000Z

297

Bluetooth/WLAN receiver design methodology and IC implementations  

E-Print Network (OSTI)

Emerging technologies such as Bluetooth and 802.11b (Wi-Fi) have fuelled the growth of the short-range communication industry. Bluetooth, the leading WPAN (wireless personal area network) technology, was designed primarily for cable replacement applications. The first generation Bluetooth products are focused on providing low-cost radio connections among personal electronic devices. In the WLAN (wireless local area network) arena, Wi-Fi appears to be the superior product. Wi-Fi is designed for high speed internet access, with higher radio power and longer distances. Both technologies use the same 2.4GHz ISM band. The differences between Bluetooth and Wi-Fi standard features lead to a natural partitioning of applications. Nowadays, many electronics devices such as laptops and PDAs, support both Bluetooth and Wi-Fi standards to cover a wider range of applications. The cost of supporting both standards, however, is a major concern. Therefore, a dual-mode transceiver is essential to keep the size and cost of such system transceivers at a minimum. A fully integrated low-IF Bluetooth receiver is designed and implemented in a low cost, main stream 0.35um CMOS technology. The system includes the RF front end, frequency synthesizer and baseband blocks. It has -82dBm sensitivity and draws 65mA current. This project involved 6 Ph.D. students and I was in charge of the design of the channel selection complex filter is designed. In the Bluetooth transmitter, a frequency modulator with fine frequency steps is needed to generate the GFSK signal that has +/-160kHz frequency deviation. A low power ROM-less direct digital frequency synthesizer (DDFS) is designed to implement the frequency modulation. The DDFS can be used for any frequency or phase modulation communication systems that require fast frequency switching with fine frequency steps. Another contribution is the implementation of a dual-mode 802.11b/Bluetooth receiver in IBM 0.25um BiCMOS process. Direct-conversion architecture was used for both standards to achieve maximum level of integration and block sharing. I was honored to lead the efforts of 7 Ph.D. students in this project. I was responsible for system level design as well as the design of the variable gain amplifier. The receiver chip consumes 45.6/41.3mA and the sensitivity is -86/-91dBm.

Emira, Ahmed Ahmed Eladawy

2003-12-01T23:59:59.000Z

298

Idaho National Laboratory receives national recognition for Small Business  

NLE Websites -- All DOE Office Websites (Extended Search)

Media contacts: Media contacts: Erik Simpson (208) 360-0426 Idaho National Laboratory receives national recognition for Small Business Mentoring Program With the help of American Recovery and Reinvestment Act funds, the Idaho Cleanup Project continues work to protect the Snake River Plain Aquifer this week by injecting grout into 21 buried waste locations in the Subsurface Disposal Area (SDA) of the Radioactive Waste Management Complex (RWMC) at the Department of Energy�s Idaho Site. The project will cost $8.2 million and will reduce the threat of contaminants migrating toward the aquifer by keeping water out of the waste. �Protecting the Snake River Plain Aquifer is a priority at the Idaho Site. Thanks to Recovery Act funds, this grouting work will help ensure the safety of our important natural resource,� said Rick Provencher, manager of DOE�s Idaho Operations Office.

299

Los Alamos National Laboratory receives Recovery Act funds  

NLE Websites -- All DOE Office Websites (Extended Search)

Recovery Act funds Recovery Act funds Los Alamos National Laboratory receives Recovery Act funds Recovery Act funds will go toward environmental compliance and cleaning up Cold War-era buildings slated for demolition. July 21, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Contact Fred deSousa Communications Office

300

Enron Documents received from Office of Congressional and Intergovernmental Affairs  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Congressional Congressional Documents received from Office of Congressional and Intergovernmental Affairs 1. Document entitled "Texas Electricity Reliability Summit Agenda." 3 pages. (F2001-00630) 2. E-mail to Richard Glick from Michael Fourcher, dated May 22, 2000. Subject: RE: May 26. 1 page. (F2001-00630) 3. E-mail to Arlene Estep from Doreen Williams, dated June 11, 2002. 1 page. (F2001- 00630) 4. E-mail to Arlene Estep from Michael Ivahnenko, dated June 11, 2002. 1 page with one enclosure. (F2001-00630) A. Undated draft document entitled "SA Enron op-ed Draft." 2 pages. (F2001-00630) Texas Electricity Reliability Summit Agenda 10:45 a.m. - 12:15 p.m., Friday, May 26, 2000 George R. Brown Convention Center, Room 302 1001 Avenida De Las Americas Houston, Texas.

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Waste receiving and processing plant control system; system design description  

Science Conference Proceedings (OSTI)

The Plant Control System (PCS) is a heterogeneous computer system composed of numerous sub-systems. The PCS represents every major computer system that is used to support operation of the Waste Receiving and Processing (WRAP) facility. This document, the System Design Description (PCS SDD), includes several chapters and appendices. Each chapter is devoted to a separate PCS sub-system. Typically, each chapter includes an overview description of the system, a list of associated documents related to operation of that system, and a detailed description of relevant system features. Each appendice provides configuration information for selected PCS sub-systems. The appendices are designed as separate sections to assist in maintaining this document due to frequent changes in system configurations. This document is intended to serve as the primary reference for configuration of PCS computer systems. The use of this document is further described in the WRAP System Configuration Management Plan, WMH-350, Section 4.1.

LANE, M.P.

1999-02-24T23:59:59.000Z

302

WIPP Receives Green Zia Award for Environmental Excellence | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Green Zia Award for Environmental Excellence Green Zia Award for Environmental Excellence WIPP Receives Green Zia Award for Environmental Excellence August 16, 2012 - 12:00pm Addthis Media Contact Deb Gill U.S. DOE Carlsbad Field Office 575-234-7270 CARLSBAD, N.M., August 16, 2012- The Waste Isolation Pilot Plant (WIPP), the U.S. Department of Energy (DOE) facility known as the nation's only deep geologic repository for the permanent disposal of radioactive waste, was recently honored for its pollution prevention efforts for the second year in a row. The New Mexico Environment Department (NMED) recognized the DOE Carlsbad Field Office (CBFO), which provides oversight for WIPP and the National Transuranic (TRU) Program, as a Silver Level Leader in its Green Zia Environmental Leadership Program. CBFO was selected for the Bronze Level

303

DOE Selects Historically Black, Hispanic Universities To Receive Funding  

NLE Websites -- All DOE Office Websites (Extended Search)

July 24, 1997 July 24, 1997 DOE Selects Historically Black, Hispanic Universities To Receive Funding for Fossil Energy Research Projects As part of its efforts to encourage more participation by minority college students and teachers in its national energy program, the Department of Energy (DOE) has selected four coal and petroleum research projects to be carried out by student-teacher teams at historically black and minority universities in Virginia, Georgia, Maryland and New Mexico. The 1997 winning schools are: Hampton University, Hampton, VA, for research into chemical compounds that can clean sulfur pollutants from hot coal gases; Clark Atlanta University, Atlanta, GA, for a project to study novel chemicals that can aid in oil production; University of Maryland Eastern Shore, Princess Anne, MD, for studies of the spontaneous combustion of certain types of coals;

304

WIPP contractor receives VPP Legacy of Stars Award 2013  

NLE Websites -- All DOE Office Websites (Extended Search)

Management and Operating Contractor Management and Operating Contractor Recognized for Continuous Safety Performance CARLSBAD, N.M., September 20, 2013 - The U.S. Department of Energy (DOE) recognized Nuclear Waste Partnership LLC (NWP), the Waste Isolation Pilot Plant (WIPP) management and operating (M&O) contractor, with the Voluntary Protection Program (VPP) Legacy of Stars Award in latter August 2013. "Safety is central to everything we do, and achieving this elite designation validates our work and the safety-focused culture we strive to create," said Farok Sharif, NWP President and Project Manager, who received the award with Kevin Miller, United Steel Workers Local Bargaining Unit VPP Ombudsman, at the VPP Participants' Association National Conference

305

Evaluation of Veda, Inc. , central receiver solar collection system concept  

DOE Green Energy (OSTI)

The Unified Heliostat Array (UHA) is a geometrical heliostat field layout with rows of mirrors placed at various levels on terraces. The Veda Industrial Heliostat (VIH) is a toroidal segment mirror mounted on an equatorial mount. These two concepts are evaluated to assess the credibility of the optical designs and the validity of UHA and VIH performance estimates, to determine what the distinctive features embodied in UHA AND VIH concepts offer that more conventional central receiver technologies do not, and to determine where the UHA and VIH concepts might be most applicable in DOE's Solar Thermal Program. The UHA area efficiency, flux density distribution, and beam safety are evaluated, and the feasibility of using a secondary mirror and the potential for special applications are assessed. The optical design, equatorial mount, and manufacturability of the VIH are evaluated. (LEW)

Ator, J.

1981-08-01T23:59:59.000Z

306

Carbon Characterization Laboratory Readiness to Receive Irradiated Graphite Samples  

SciTech Connect

The Carbon Characterization Laboratory (CCL) is located in Labs C19 and C20 of the Idaho National Laboratory Research Center. The CCL was established under the Next Generation Nuclear Plant Project to support graphite and ceramic composite research and development activities. The research conducted in this laboratory will support the Advanced Graphite Creep experiments—a major series of material irradiation experiments within the Next Generation Nuclear Plant Graphite program. The CCL is designed to characterize and test low activated irradiated materials such as high purity graphite, carbon-carbon composites, silicon-carbide composite, and ceramic materials. The laboratory is fully capable of characterizing material properties for both irradiated and nonirradiated materials. Major infrastructural modifications were undertaken to support this new radiological facility at Idaho National Laboratory. Facility modifications are complete, equipment has been installed, radiological controls and operating procedures have been established and work management documents have been created to place the CCL in readiness to receive irradiated graphite samples.

Karen A. Moore

2011-05-01T23:59:59.000Z

307

Capacity Definitions for General Channels with Receiver Side Information  

E-Print Network (OSTI)

We consider three capacity definitions for general channels with channel side information at the receiver, where the channel is modeled as a sequence of finite dimensional conditional distributions not necessarily stationary, ergodic, or information stable. The {\\em Shannon capacity} is the highest rate asymptotically achievable with arbitrarily small error probability. The {\\em capacity versus outage} is the highest rate asymptotically achievable with a given probability of decoder-recognized outage. The {\\em expected capacity} is the highest average rate asymptotically achievable with a single encoder and multiple decoders, where the channel side information determines the decoder in use. As a special case of channel codes for expected rate, the code for capacity versus outage has two decoders: one operates in the non-outage states and decodes all transmitted information, and the other operates in the outage states and decodes nothing. Expected capacity equals Shannon capacity for channels governed by a sta...

Effros, Michelle; Liang, Yifan

2008-01-01T23:59:59.000Z

308

Numerical modeling of a solid particle solar central receiver  

Science Conference Proceedings (OSTI)

The flow of air and particles and the heat transfer inside a solar heated, open cavity containing a falling cloud of 100 to 1000 micron solid particles have been studied. Two-way momentum and thermal coupling between the particles and the air is included in the analysis along with the effects of radiative transport within the particle cloud, among the cavity surfaces, and between the cloud and the surfaces. The flow field is assumed to be two dimensional with steady mean quantities. The PSI-Cell (particle source in cell) computer code is used to describe the gas-particle interaction. The method of discrete ordinates is used to obtain the radiative transfer within the cloud. The results include the velocity and temperature profiles of the particles and the air. In addition, the thermal performance of the solid particle solar receiver has been determined as a function of the following particle parameters: size, mass flow rate, absorptivity, and infrared scattering albedo. Other parameters which have been varied include the incident solar flux (both magnitude and distribution) and receiver size. A forced flow, applied across the cavity aperture, has also been investigated as a means of decreasing convective heat loss from the cavity. Comparison of the results from the model has been made with an experiment performed at the radiant heat facility in Albuquerque. The model has also been used to predict the entrainment of air and the decrease in particle drag which has been observed when measurements were made of particle velocity in a cloud of particles in free fall.

Evans, G.H.; Houf, W.G.; Greif, R.; Crowe, C.

1985-12-01T23:59:59.000Z

309

Multi-band OFDM UWB receiver with narrowband interference suppression  

E-Print Network (OSTI)

A multi band orthogonal frequency division multiplexing (MB-OFDM) compatible ultra wideband (UWB) receiver with narrowband interference (NBI) suppression capability is presented. The average transmit power of UWB system is limited to -41.3 dBm/MHz in order to not interfere existing narrowband systems. Moreover, it must operate even in the presence of unintentional radiation of FCC Class-B compatible devices. If this unintentional radiation resides in the UWB band, it can jam the communication. Since removing the interference in digital domain requires higher dynamic range of analog front-end than removing it in analog domain, a programmable analog notch filter is used to relax the receiver requirements in the presence of NBI. The baseband filter is placed before the variable gain amplifier (VGA) in order to reduce the signal swing at the VGA input. The frequency hopping period of MB-OFDM puts a lower limit on the settling time of the filter, which is inverse proportional to notch bandwidth. However, notch bandwidth should be low enough not to attenuate the adjacent OFDM tones. Since these requirements are contradictory, optimization is needed to maximize overall performance. Two different NBI suppression schemes are tested. In the first scheme, the notch filter is operating for all sub-bands. In the second scheme, the notch filter is turned on during the sub-band affected by NBI. Simulation results indicate that the UWB system with the first and the second suppression schemes can handle up to 6 dB and 14 dB more NBI power, respectively. The results of this work are not limited to MB-OFDM UWB system, and can be applied to other frequency hopping systems.

Kelleci, Burak

2007-12-01T23:59:59.000Z

310

PASAR: An integrated model of prediction, anticipation, sensation, attention and response for artificial sensorimotor systems  

Science Conference Proceedings (OSTI)

A wide range of neuroscientific studies suggest the existence of cognitive mechanisms like attention, prediction, anticipation and strong vertical interactions between different hierarchical layers of the brain while performing complex tasks. Despite ... Keywords: Anticipatory behavior, Attention, Autonomous cognitive agents, Data integration, Limited resources

Zenon Mathews; Sergi Bermúdez i Badia; Paul F. M. J. Verschure

2012-03-01T23:59:59.000Z

311

A new approach and system for attentive mobile learning based on seamless migration  

Science Conference Proceedings (OSTI)

Seamless migration is one of pervasive computing applications. The function of seamless mobility is suitable for mobile services such as mobile Web-based learning. In this paper, we propose an approach that supports an attentive mobile learning paradigm. ... Keywords: Attentive, Fuzzy neural, Mobile learning, Pervasive computing, Seamless mobility, Web-based migration

De-Gan Zhang

2012-01-01T23:59:59.000Z

312

NETL: News Release - NETL Inventors Receive Patent for Sensor Technology  

NLE Websites -- All DOE Office Websites (Extended Search)

June 12, 2007 June 12, 2007 NETL Inventors Receive Patent for Sensor Technology Novel Detector Improves Performance of State-of-the-Art Gas Turbines MORGANTOWN, WV - Researchers at the U.S. Department of Energy's National Energy Technology Laboratory (NETL) have been awarded a patent for an invention that detects lean blow-off in gas turbines. The new invention represents a step toward realizing low-emission, fuel-flexible gas turbines-a step that will promote air quality and U.S. energy security by allowing power plants to operate cleanly and efficiently on domestic fuels. Many gas combustion systems, such as stationary gas turbines, operate on some form of lean premix combustion. In this method of combustion, fuel and air are mixed upstream of the combustion zone at low, or lean, fuel conditions. The temperature is kept low, which limits the formation of nitrous oxides (NOx)-pollutants which contribute to acid rain, ground-level ozone, and global warming.

313

Design of a variable gain amplifier for an ultrawideband receiver  

E-Print Network (OSTI)

A fully differential CMOS variable gain amplifier (VGA) has been designed for an ultra-wideband receiver. The VGA comprises of two variable gain stages followed by a post amplifier stage. The interface between the digital control block and the analog VGA is formed by a digital-to-analog converter and an exponential voltage generator. The gain of the VGA varies dB-linearly from 0 to 52 dB with respect to the control voltage. The VGA is operated in open loop with a bandwidth greater than 500 MHz throughout the gain range to cater to the requirements of the ultra-wideband system. The noise-to-power ratio of the VGA is -23.9 dB for 1Vp-p differential input signal in the low gain setting, and the equivalent input referred noise is 1.01 V2 for the high gain setting. All three stages use common mode feedback to fix and stabilize the output DC levels at a particular voltage depending on the input common-mode requirement of the following stage. DC offset cancellation has also been incorporated to minimize the input referred DC offset caused by systematic and random mismatches in the circuit. Compensation schemes to minimize the effects of temperature, supply and process variations have been included in the design. The circuit has been designed in 0.18??m CMOS technology, and the post layout simulations are in good agreement with the schematic simulations.

Krishnanji, Sivasankari

2005-08-01T23:59:59.000Z

314

Receiver Operating Characteristic Analysis for Detecting Explosives-related Threats  

SciTech Connect

The Department of Homeland Security (DHS) and the Transportation Security Administration (TSA) are interested in developing a standardized testing procedure for determining the performance of candidate detection systems. This document outlines a potential method for judging detection system performance as well as determining if combining the information from a legacy system with a new system can signi��������cantly improve performance. In this document, performance corresponds to the Neyman-Pearson criterion applied to the Receiver Operating Characteristic (ROC) curves of the detection systems in question. A simulation was developed to investigate how the amount of data provided by the vendor in the form of the ROC curve e�������¤ects the performance of the combined detection system. Furthermore, the simulation also takes into account the potential e�������¤ects of correlation and how this information can also impact the performance of the combined system.

Mark E. Oxley; Alexander M. Venzin

2012-11-14T23:59:59.000Z

315

Galanin Microinjection in the Third Ventricle Increases  

E-Print Network (OSTI)

Background: The neuropeptide galanin increases food intake. Chronic ethanol (EtOH) increases the expression of galanin in the hypothalamus. The research presented here examines the effects of microinjection of galanin in the third ventricle on voluntary alcohol intake. Methods: Male Sprague Dawley rats with a cannula in the third ventricle were given access to increasing concentrations of EtOH for 12 hr/day until all acquired a preference for 7 % EtOH over water in a two-bottle choice. Rats then received a microinjection of galanin (0, 1, and 3 nmol) alone or in combination with the galanin antagonist M40 (1 nmol) and with M40 alone to determine the effects on EtOH and water intake. Tests were conducted during both the light and dark periods of a 12:12-hr light-dark cycle with food available ad libitum. As a control for galanin-induced calorie intake, both EtOH and food were measured in a subset of rats during the dark. Results: Microinjections of galanin (1.0 and 3.0 nmol) increased EtOH consumption during both periods of the light-dark cycle. Galanin’s effect on ethanol intake during the light was large relative to the very low intake of food and water during this period. Rats increased their intake of EtOH but not food. Receptor specificity for galanin (3 nmol) was shown by the galanin antagonist M40, which blocked the increase in EtOH intake. M40 alone decreased EtOH intake slightly. Conclusions: These data show that galanin injected in the third ventricle increases EtOH consumption and that the effect can occur during both the light and the dark periods of the diurnal cycle in the presence of food and water. This suggests that galanin may play a role in augmenting voluntary alcohol intake and perhaps the development of alcohol dependence.

Voluntary Ethanol Intake; Michael J. Lewis; Deanne F. Johnson; Daniel Waldman; Sarah F. Leibowitz; Bartley G. Hoebel

2004-01-01T23:59:59.000Z

316

Receiver subsystem analysis report (RADL Item 4-1). 10-MWe Solar Thermal Central-Receiver Pilot Plant: solar-facilities design integration  

DOE Green Energy (OSTI)

The results are presented of those thermal hydraulic, structural, and stress analyses required to demonstrate that the Receiver design for the Barstow Solar Pilot Plant will satisfy the general design and performance requirements during the plant's design life. Recommendations resulting from those analyses and supporting test programs are presented regarding operation of the receiver. The analyses are limited to receiver subsystem major structural parts (primary tower, receiver unit core support structure), pressure parts (absorber panels, feedwater, condensate and steam piping/components, flash tank, and steam mainfold) and shielding. (LEW)

Not Available

1982-04-01T23:59:59.000Z

317

Improved high temperature solar absorbers for use in Concentrating Solar Power central receiver applications.  

DOE Green Energy (OSTI)

Concentrating solar power (CSP) systems use solar absorbers to convert the heat from sunlight to electric power. Increased operating temperatures are necessary to lower the cost of solar-generated electricity by improving efficiencies and reducing thermal energy storage costs. Durable new materials are needed to cope with operating temperatures >600 C. The current coating technology (Pyromark High Temperature paint) has a solar absorptance in excess of 0.95 but a thermal emittance greater than 0.8, which results in large thermal losses at high temperatures. In addition, because solar receivers operate in air, these coatings have long term stability issues that add to the operating costs of CSP facilities. Ideal absorbers must have high solar absorptance (>0.95) and low thermal emittance (<0.05) in the IR region, be stable in air, and be low-cost and readily manufacturable. We propose to utilize solution-based synthesis techniques to prepare intrinsic absorbers for use in central receiver applications.

Stechel, Ellen Beth; Ambrosini, Andrea; Hall, Aaron Christopher; Lambert, Timothy L.; Staiger, Chad Lynn; Bencomo, Marlene

2010-09-01T23:59:59.000Z

318

Dopamine and the management of attentional resources: Genetic markers of striatal d2 dopamine predict individual differences in the attentional blink  

Science Conference Proceedings (OSTI)

The attentional blink (AB)-a deficit in reporting the second of two target stimuli presented in close succession in a rapid sequence of distracters-has been related to processing limitations in working memory. Given that dopamine (DA) plays a crucial ...

Lorenza S. Colzato; Heleen A. Slagter; Mischa de Rover; Bernhard Hommel

2011-11-01T23:59:59.000Z

319

LNG imports make strong recovery in 1996; exports increase also  

Science Conference Proceedings (OSTI)

LNG imports to the US jumped in 1996 as Algerian base-load plants resumed operations following major revamps. Exports from Alaska to Japan grew by nearly 4% over 1995. Total LNG imports to the US in 1996 were 40.27 bcf compared to 17.92 bcf in 1995, an increase of 124.8%. Algeria supplied 35.32 bcf; Abu Dhabi, 4.95 bcf. About 82.3% of the imported LNG was received at Distrigas Corp.`s terminal north of Boston. The remaining LNG was received at the Pan National terminal in Lake Charles, LA. LNG imports during 1995 fell to such a low level not because of depressed US demand but because of limited supply. The paper discusses LNG-receiving terminals, base-load producers, LNG pricing, and exports.

Swain, E.J. [Swain (Edward J.), Houston, TX (United States)

1998-01-19T23:59:59.000Z

320

Heat-Loss Testing of Solel's UVAC3 Parabolic Trough Receiver  

DOE Green Energy (OSTI)

For heat-loss testing on two Solel UVAC3 parabolic trough receivers, a correlation developed predicts receiver heat loss as a function of the difference between avg absorber and ambient temperatures.

Burkholder, F.; Kutscher, C.

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

SunShot Initiative: A Small-Particle Solar Receiver for High-Temperature  

NLE Websites -- All DOE Office Websites (Extended Search)

A Small-Particle Solar Receiver A Small-Particle Solar Receiver for High-Temperature Brayton Power Cycles to someone by E-mail Share SunShot Initiative: A Small-Particle Solar Receiver for High-Temperature Brayton Power Cycles on Facebook Tweet about SunShot Initiative: A Small-Particle Solar Receiver for High-Temperature Brayton Power Cycles on Twitter Bookmark SunShot Initiative: A Small-Particle Solar Receiver for High-Temperature Brayton Power Cycles on Google Bookmark SunShot Initiative: A Small-Particle Solar Receiver for High-Temperature Brayton Power Cycles on Delicious Rank SunShot Initiative: A Small-Particle Solar Receiver for High-Temperature Brayton Power Cycles on Digg Find More places to share SunShot Initiative: A Small-Particle Solar Receiver for High-Temperature Brayton Power Cycles on AddThis.com...

322

California Team to Receive up to $122 Million for Energy Innovation...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

California Team to Receive up to 122 Million for Energy Innovation Hub to Develop Method to Produce Fuels from Sunlight California Team to Receive up to 122 Million for Energy...

323

Portland Company to Receive $1.3 Million to Improve Hydro Power...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Portland Company to Receive 1.3 Million to Improve Hydro Power Technologies Portland Company to Receive 1.3 Million to Improve Hydro Power Technologies September 15, 2009 -...

324

Practical Guide to Vegetable Oil ProcessingChapter 2 Crude Oil Receiving and Storage  

Science Conference Proceedings (OSTI)

Practical Guide to Vegetable Oil Processing Chapter 2 Crude Oil Receiving and Storage Processing eChapters Processing Press Downloadable pdf of Chapter 2 Crude Oil Receiving and Storage from the book ...

325

Energy Secretary Chu to Receive Arthur L. Schawlow Award at the...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

to Receive Arthur L. Schawlow Award at the Laser Institute of America Annual Meeting Energy Secretary Chu to Receive Arthur L. Schawlow Award at the Laser Institute of America...

326

NERSC User James Drake Receives 2010 APS Maxwell Prize for Plasma...  

NLE Websites -- All DOE Office Websites (Extended Search)

User James Drake Receives 2010 APS Maxwell Prize for Plasma Physics NERSC User James Drake Receives 2010 APS Maxwell Prize for Plasma Physics January 31, 2011 drake10.jpg Long-time...

327

DOE Selects Biofuels Projects to Receive up to $21 Million in...  

NLE Websites -- All DOE Office Websites (Extended Search)

Biofuels Projects to Receive up to 21 Million in Funding DOE Selects Biofuels Projects to Receive up to 21 Million in Funding August 31, 2009 - 12:00am Addthis WASHINGTON, DC-...

328

Performance prediction evaluation of ceramic materials in point-focusing solar receivers  

DOE Green Energy (OSTI)

A Performance Prediction Model was adapted to evaluate the use of ceramic materials in solar receivers for point-focusing distributed applications. TPS system requirements were determined including the receiver operating environment (such as concentrator performance and environment/natural occurrences) and system operating parameters for various engine types. Preliminary receiver designs evolve from these system requirements. Specific receiver designs evaluated in this report to determine material functional requirements include the NRL solchem converter/heat exchanger, MIT/LL ceramic dome. Black and Veatch/EPRI ceramic tube receiver, and the Sanders honeycomb matrix Brayton receiver. Status of the first phase of a continuing task of evaluation and reporting on high temperature ceramics for solar thermal receiver applications is described. Subsequent reports will develop the Performance Prediction Model in more detail and provide data on its use in the several high temperature receiver and reactor designs planned for or under development.

Ewing, J.; Zwissler, J.

1979-06-01T23:59:59.000Z

329

SunShot Initiative: Advanced Low-Cost Receivers for Parabolic...  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Low-Cost Receivers for Parabolic Troughs to someone by E-mail Share SunShot Initiative: Advanced Low-Cost Receivers for Parabolic Troughs on Facebook Tweet about SunShot...

330

Design and validation of an air window for a molten salt solar thermal receiver  

E-Print Network (OSTI)

This thesis contributes to the development of Concentrating Solar Power (CSP) receivers and focuses on the design of an efficient aperture. An air window is proposed for use as the aperture of a CSP molten salt receiver ...

Paxson, Adam Taylor

2009-01-01T23:59:59.000Z

331

Hidden Markov Models for analysis of pilot instrument scanning and attention switching  

E-Print Network (OSTI)

(cont.) high workload. The results of another flight simulation experiment demonstrated how the pilots' attention budgeting among these tasks estimated by HMM analysis, combined with the pilots' eye-movement statistical ...

Hayashi, Miwa

2004-01-01T23:59:59.000Z

332

Synthesizing image representations of linguistic and topological features for predicting areas of attention  

Science Conference Proceedings (OSTI)

Depending on the reading objective or task, text portions with certain linguistic features require more user attention to maximize the level of understanding. The goal is to build a predictor of these text areas. Our strategy consists in synthesizing ...

Pascual Martínez-Gómez; Tadayoshi Hara; Chen Chen; Kyohei Tomita; Yoshinobu Kano; Akiko Aizawa

2012-09-01T23:59:59.000Z

333

Design, cost, and performance comparisons of several solar thermal systems for process heat. Volume III. Receivers  

DOE Green Energy (OSTI)

The receiver subsystem converts reflected solar radiation into thermal power by heating a working fluid. The objective of the task described was to estimate the cost and performance of the receiver subsystem for parabolic troughs, parabolic dishes, and central receivers over a wide range of temperatures and power levels for thermal power applications. This volume presents the fundamental design philosophy employed, the constraints identified, the tradeoffs performed and the cost and performance results obtained for each receiver in the study matrix.

Woodard, J.B. Jr.

1981-03-01T23:59:59.000Z

334

DYNAMIC SIMULATION OF MONO-TUBE CAVITY RECEIVERS FOR DIRECT STEAM GENERATION  

E-Print Network (OSTI)

-tracing study of the heat flux distribution inside the steam receiver is used to spatially refine the modelDYNAMIC SIMULATION OF MONO-TUBE CAVITY RECEIVERS FOR DIRECT STEAM GENERATION José Zapata 1 , John dish has been in operation since 2010 with a mono-tube steam cavity receiver, the SG4 system

335

A nightly conditioning method to reduce parasitic power consumption in molten-salt central-receiver solar-power plants  

DOE Green Energy (OSTI)

A method to reduce nightly parasitic power consumption in a molten salt central receiver is discussed where salt is drained from the piping and heat tracing is turned off to allow the piping to cool to ambient overnight, then in the morning the pipes are filled while they are cold. Since the piping and areas of the receiver in a molten-nitrate salt central-receiver solar power plant must be electrically heated to maintain their temperatures above the nitrate salt freezing point (430{degrees}F, 221{degrees}C), considerable energy could be used to maintain such temperatures during nightly shut down and bad weather. Experiments and analyses have been conducted to investigate cold filling receiver panels and piping as a way of reducing parasitic electrical power consumption and increasing the availability of the plant. The two major concerns with cold filling are: (1) how far can the molten salt penetrate cold piping before freezing closed and (2) what thermal stresses develop during the associated thermal shock. Experiments and analysis are discussed.

Pacheco, J.E.

1995-06-01T23:59:59.000Z

336

Final report on the power production phase of the 10 MW/sub e/ Solar Thermal Central Receiver Pilot Plant  

DOE Green Energy (OSTI)

This report describes the evaluations of the power production testing of Solar One, the 10 MW/sub e/ Solar Thermal Central Receiver Pilot Plant near Barstow, California. The Pilot Plant, a cooperative project of the US Department of Energy and utility firms led by the Southern California Edison Company, began a three year period of power production operation in August 1984. During this period, plant performance indicators, such as capacity factor, system efficiency, and availability, were studied to assess the operational capability of the Pilot Plant to reliably supply electrical power. Also studied was the long-term performance of such key plant components as the heliostats and the receiver. During the three years of power production, the Pilot Plant showed an improvement in performance. Considerable increases in capacity factor, system efficiency, and availability were achieved. Heliostat operation was reliable, and only small amounts of mirror corrosion were observed. Receiver tube leaks did occur, however, and were the main cause of the plant's unscheduled outages. The Pilot Plant provided valuable lessons which will aid in the design of future solar central receiver plants. 53 refs., 46 figs., 4 tabs.

Radosevich, L.G.

1988-03-01T23:59:59.000Z

337

Heat transfer performance of an external receiver pipe under unilateral concentrated solar radiation  

Science Conference Proceedings (OSTI)

The heat transfer and absorption characteristics of an external receiver pipe under unilateral concentrated solar radiation are theoretically investigated. Since the heat loss ratio of the infrared radiation has maximum at moderate energy flux, the heat absorption efficiency will first increase and then decrease with the incident energy flux. The local absorption efficiency will increase with the flow velocity, while the wall temperature drops quickly. Because of the unilateral concentrated solar radiation and different incident angle, the heat transfer is uneven along the circumference. Near the perpendicularly incident region, the wall temperature and absorption efficiency slowly approaches to the maximum, while the absorption efficiency sharply drops near the parallelly incident region. The calculation results show that the heat transfer parameters calculated from the average incident energy flux have a good agreement with the average values of the circumference under different boundary conditions. For the whole pipe with coating of Pyromark, the absorption efficiency of the main region is above 85%, and only the absorption efficiency near the parallelly incident region is below 80%. In general, the absorption efficiency of the whole pipe increases with flow velocity rising and pipe length decreasing, and it approaches to the maximum at optimal concentrated solar flux. (author)

Jianfeng, Lu; Jing, Ding [School of Engineering, Sun Yat-Sen University, Guangzhou 510006 (China); Jianping, Yang [Key Laboratory of Enhanced Heat Transfer and Energy Conservation of the Ministry of Education, South China University of Technology, Guangzhou 510640 (China)

2010-11-15T23:59:59.000Z

338

Both a nicotinic single nucleotide polymorphism (snp) and a noradrenergic snp modulate working memory performance when attention is manipulated  

Science Conference Proceedings (OSTI)

We investigated the relation between the two systems of visuospatial attention and working memory by examining the effect of normal variation in cholinergic and noradrenergic genes on working memory performance under attentional manipulation. We previously ...

Pamela M. Greenwood; Ramya Sundararajan; Ming-Kuan Lin; Reshma Kumar; Karl J. Fryxell; Raja Parasuraman

2009-09-01T23:59:59.000Z

339

SunShot Initiative: High-Temperature Falling-Particle Receiver  

NLE Websites -- All DOE Office Websites (Extended Search)

High-Temperature Falling-Particle High-Temperature Falling-Particle Receiver to someone by E-mail Share SunShot Initiative: High-Temperature Falling-Particle Receiver on Facebook Tweet about SunShot Initiative: High-Temperature Falling-Particle Receiver on Twitter Bookmark SunShot Initiative: High-Temperature Falling-Particle Receiver on Google Bookmark SunShot Initiative: High-Temperature Falling-Particle Receiver on Delicious Rank SunShot Initiative: High-Temperature Falling-Particle Receiver on Digg Find More places to share SunShot Initiative: High-Temperature Falling-Particle Receiver on AddThis.com... Concentrating Solar Power Systems Components Competitive Awards CSP Research & Development Thermal Storage CSP Recovery Act Baseload CSP SunShot Multidisciplinary University Research Initiative

340

On the relationship between head pose, social attention and personality prediction for unstructured and dynamic group interactions  

Science Conference Proceedings (OSTI)

Correlates between social attention and personality traits have been widely acknowledged in social psychology studies. Head pose has commonly been employed as a proxy for determining the social attention direction in small ... Keywords: head pose, personality classification, social attention, unstructured and dynamic group interactions

Ramanathan Subramanian, Yan Yan, Jacopo Staiano, Oswald Lanz, Nicu Sebe

2013-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Attention as the Mediator Between Top Management Team Characteristics and Strategic Change: The Case of Airline Deregulation  

Science Conference Proceedings (OSTI)

We integrate the upper-echelons perspective with the attention-based view of the firm by examining the role of attentional orientation of top management teams (TMTs). In the context of airline deregulation, we find that deregulation caused a shift in ... Keywords: airline industry, executive compensation, managerial attention, organizational demography, strategic change, top management team

Theresa S. Cho; Donald C. Hambrick

2006-07-01T23:59:59.000Z

342

IDENTIFICATION AND EXPERIMENTAL DATABASE FOR BINARY AND MULTICOMPONENT MIXTURES WITH POTENTIAL FOR INCREASING OVERALL CYCLE EFFICIENCY  

SciTech Connect

This report describes an experimental investigation designed to identify binary and multicomponent mixture systems that may be for increasing the overall efficiency of a coal fired unit by extracting heat from flue gases. While ammonia-water mixtures have shown promise for increasing cycle efficiencies in a Kalina cycle, the costs and associated range of thermal conditions involved in a heat recovery system may prohibit its use in a relatively low temperature heat recovery system. This investigation considered commercially available non-azeotropic binary mixtures with a boiling range applicable to a flue gas initially at 477.6 K (400 F) and developed an experimental database of boiling heat transfer coefficients for those mixtures. In addition to their potential as working fluids for increasing cycle efficiency, cost, ease of handling, toxicity, and environmental concerns were considered in selection of the mixture systems to be examined experimentally. Based on this review, water-glycol systems were identified as good candidates. However, previous investigations of mixture boiling have focused on aqueous hydrocarbon mixtures, where water is the heaviest component. There have been few studies of water-glycol systems, and those that do exist have investigated boiling on plain surfaces only. In water-glycol systems, water is the light component, which makes these systems unique compared to those that have been previously examined. This report examines several water-glycol systems, and documents a database of experimental heat transfer coefficients for these systems. In addition, this investigation also examines the effect of an enhanced surface on pool boiling in water-glycol mixtures, by comparing boiling on a smooth surface to boiling on a Turbo IIIB. The experimental apparatus, test sections, and the experimental procedures are described. The mixture systems tested included water-propylene glycol, water-ethylene glycol, and water-diethylene glycol. All experimental data were obtained at atmospheric pressure with the test section oriented horizontally. The effect of subcooling in pool boiling of mixtures is another area that has received limited attention. Therefore, experimental data were obtained for the water-propylene glycol and water-ethylene glycol systems for subcoolings ranging from 0 to 30 C. The experimental data showed that boiling heat transfer coefficients were found to have significant degradation due to the mixture effect for each of the water-glycol systems examined. This result is consistent with previous studies which examined water-hydrocarbon mixtures with large boiling ranges. The Turbo BIII surface was found to significantly increase heat transfer in each mixture and pure component in comparison to that for the smooth surface.

Stephen M Bajorek; J. Schnelle

2002-05-01T23:59:59.000Z

343

Instrumentation for Increased Power Flow  

Science Conference Proceedings (OSTI)

This report is the second Technical Update of the Instrumentation for Managing Increased Power Flow project, part of EPRI's Increased Power Flow (IPF) program. The project, initiated in 2006 and expected to continue for several years, studies the feasibility of new instrumentation to support increased power flow strategies. In 2007 the work focused on two primary developments: the Backscatter Sensor for the real-time measurement of transmission line temperature and current and the Emissivity Test Instrum...

2007-12-06T23:59:59.000Z

344

Increased Power Flow Guidebook - 2012  

Science Conference Proceedings (OSTI)

The EPRI Increased Power Flow (IPF) Guidebook is a state-of-the-art and best- practices reference and guidebook on increasing the power flow capacities of existing overhead transmission lines, underground cables, power transformers, and substation equipment, without compromising safety and reliability. The Guidebook discusses power system concerns and limiting conditions to increasing capacity, reviews available technology options and methods, illustrates the alternatives with case ...

2012-12-31T23:59:59.000Z

345

Increased Power Flow Guidebook - 2013  

Science Conference Proceedings (OSTI)

The EPRI Increased Power Flow (IPF) Guidebook is a state-of-the-art and best- practices reference and guidebook on increasing the power flow capacities of existing overhead transmission lines, underground cables, power transformers, and substation equipment, without compromising safety and reliability. The Guidebook discusses power system concerns and limiting conditions to increasing capacity, reviews available technology options and methods, illustrates the alternatives with case ...

2013-11-18T23:59:59.000Z

346

Increase Duct and Plenum Insulation  

NLE Websites -- All DOE Office Websites (Extended Search)

changes to the commercial provisions of the 2012 IECC: Increase Duct and Plenum Insulation R Hart Pacific Northwest National Laboratory December 2012 Proposal Description This...

347

Increasing State Capacity Through Clans  

E-Print Network (OSTI)

their role in increasing state capacity With the decline ofhere focus on state capacity and the associated discussionselements of state capacity during the transition from one

Doyle, Jr, Thomas Martin

2009-01-01T23:59:59.000Z

348

Bench-scale screening tests for a boiling sodium-potassium alloy solar receiver  

DOE Green Energy (OSTI)

Bench-scale tests were carried out in support of the design of a second-generation 75-kW{sub t} reflux pool-boiler solar receiver. The receiver will be made from Haynes Alloy 230 and will contain the sodium-potassium alloy NaK-78. The bench-scale tests used quartz-lamp-heated boilers to screen candidate boiling-stabilization materials and methods at temperatures up to 750{degree}C. Candidates that provided stable boiling were tested for hot-restart behavior. Poor stability was obtained with single 1/4-inch diameter patches of powdered metal hot-press-sintered onto the wetted side of the heat-input area. Laser-drilled and electric-discharge-machined cavities in the heated surface also performed poorly. Small additions of xenon, and heated-surface tilt out of the vertical dramatically improved poor boiling stability; additions of helium or oxygen did not. The most stable boiling was obtained when the entire heat-input area was covered by a powdered-metal coating. The effect of heated-area size was assessed for one coating: at low incident fluxes, when even this coating performed poorly, increasing the heated-area size markedly improved boiling stability. Good hot-restart behavior was not observed with any candidate, although results were significantly better with added xenon in a boiler shortened from 3 to 2 feet. In addition to the screening tests, flash-radiography imaging of metal-vapor bubbles during boiling was attempted. Contrary to the Cole-Rohsenow correlation, these bubble-size estimates did not vary with pressure; instead they were constant, consistent with the only other alkali metal measurements, but about 1/2 their size.

Moreno, J.B.; Moss, T.A.

1993-06-01T23:59:59.000Z

349

Increasing Gas Prices: Good Economics, but Bad Public Relations Rising gasoline prices captured the attention of the press and politicians in recent months,  

E-Print Network (OSTI)

, on a willingness to pay basis. Absent a higher pump price, the public faces implicit gas rationing whereby gas a rerun of the unhappy events during the two OPEC-induced oil price spikes in 1973-74 and 1979-80. Why did boosted the demand for oil products. Second, the major oil companies did not build new oil refineries

Ahmad, Sajjad

350

SunShot Initiative: Advanced Nitrate Salt Central Receiver Power Plant  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Nitrate Salt Central Receiver Power Plant Advanced Nitrate Salt Central Receiver Power Plant Abengoa logo Photo of two lit towers surrounded by much smaller blue flat plates that are mounted on the ground. Commercial central receiver plant designs Abengoa, under the Baseload CSP FOA, will demonstrate a 100-megawatt electrical (MWe) central receiver plant using nitrate salt as the receiver coolant, thermal storage medium, and heat transport fluid in the steam generator. Approach The plan is to operate the plant at full load for 6,400 hours each year using only solar energy. Abengoa is working to create a team of suppliers capable of deploying a commercially ready nitrate salt central receiver technology that can be competitive in the current power marketplace. Innovation Abengoa is developing a new molten-salt power tower technology with a surround heliostat field. Key components include:

351

Assessment of molten-salt solar central-receiver freeze-up and recovery events  

DOE Green Energy (OSTI)

Molten salt used as a heat transfer fluid in central-receiver so ar power plants has a high freezing point (430{degrees}F (221{degrees}C)). It is very likely during the life of the plant that the receiver will accidentally freeze up due to equipment malfunction or operator error. Experiments were conducted to measure the effects of a molten salt receiver freeze-up and recovery event and methods to thaw the receiver. In addition, simulated freeze/thaw experiments were conducted to determine what happens when salt freezes and is thawed in receiver tubes and to quantify the damage caused to candidate receiver tube materials. Fourteen tube samples of various materials, diameters and wall thicknesses were tested to destruction. Results of these tests are presented in this paper.

Pacheco, J.E.; Dunkin, S.R.

1996-02-01T23:59:59.000Z

352

Diesel prices continue to increase  

U.S. Energy Information Administration (EIA) Indexed Site

Diesel prices continue to increase The U.S. average retail price for on-highway diesel fuel rose to 3.98 a gallon on Labor Day Monday. That's up 6.8 cents from a week ago, based...

353

Diesel prices continue to increase  

U.S. Energy Information Administration (EIA) Indexed Site

Diesel prices continue to increase The U.S. average retail price for on-highway diesel fuel rose to 3.90 a gallon on Monday. That's up 3.6 cents from a week ago, based on the...

354

Diesel prices slightly increase nationally  

U.S. Energy Information Administration (EIA) Indexed Site

Diesel prices slightly increase nationally The U.S. average retail price for on-highway diesel fuel rose slightly to 3.90 a gallon on Monday. That's up 4-tenths of a penny from a...

355

Diesel prices continue to increase  

U.S. Energy Information Administration (EIA) Indexed Site

Diesel prices continue to increase The U.S. average retail price for on-highway diesel fuel rose to 3.87 a gallon on Monday. That's up 3.9 cents from a week ago, based on the...

356

Diesel prices continue to increase  

U.S. Energy Information Administration (EIA) Indexed Site

Diesel prices continue to increase The U.S. average retail price for on-highway diesel fuel rose to 3.92 a gallon on Monday. That's up 1.2 cents from a week ago, based on the...

357

Diesel prices continue to increase  

U.S. Energy Information Administration (EIA) Indexed Site

Diesel prices continue to increase The U.S. average retail price for on-highway diesel fuel rose to 3.89 a gallon on Monday. That's up 2.4 cents from a week ago, based on the...

358

Diesel prices continue to increase  

U.S. Energy Information Administration (EIA) Indexed Site

Diesel prices continue to increase The U.S. average retail price for on-highway diesel fuel rose to 3.88 a gallon on Monday. That's up 3.9 cents from a week ago, based on the...

359

Gas utilities to increase outlays  

Science Conference Proceedings (OSTI)

Despite rising natural gas prices and falling consumer demand for gas, experts predict a 16% increase in US gas transmission and distribution expenditures for 1983. Production and storage outlays will probably decrease because of the current gas surplus. The demand for natural gas has been below production levels since 1981. Increases in residential and commercial requirements have been offset by a drop in industrial use, which represents 50% of total gas demand.

O'Donnell, J.P.

1983-02-01T23:59:59.000Z

360

Economics of Increased Power Flow  

Science Conference Proceedings (OSTI)

This report focuses on methodologies for evaluating the costs and benefits of the diverse technologies that can be used either individually or jointly to increase the flow of power through the transmission system. It begins by describing a broad slate of potential technologies and approaches for increasing transmission capacity and improving system efficiency and then provides an overall framework for assessing the benefits and costs of these technologies. Later sections cover the practical implementatio...

2010-12-21T23:59:59.000Z

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Dr. Carlos Gonzalez's Bio Dr. Gonzalez received his Ph.D in ...  

Science Conference Proceedings (OSTI)

Page 1. Dr. Carlos Gonzalez's Bio Dr. Gonzalez received his Ph.D in Theoretical Chemistry at Wayne State University, in 1990. ...

2013-05-31T23:59:59.000Z

362

Property types eligible to receive a 1-100 ENERGY STAR score...  

NLE Websites -- All DOE Office Websites (Extended Search)

Property types eligible to receive a 1-100 ENERGY STAR score Secondary menu About us Press room Contact Us Portfolio Manager Login Facility owners and managers Existing...

363

Outside Invention Submissions--Is it Better to Give or to Receive?  

Science Conference Proceedings (OSTI)

... to receive a disclosure in confidence than would a board game manufacturer. ... To the extent to which there are any oral discussions, detailed notes of the ...

364

Conceputual design of a solar-heated-air receiver coupled to a Brayton or Stirling engine  

DOE Green Energy (OSTI)

A particularly interesting possibility for a parabolic dish/cavity receiver combination is the coupling of the cavity to a Stirling or Brayton engine. The design of the receiver is a pacing item in the development of the approach and requires knowledge of the flux distribution within the receiver. Thus several cavity configurations need to be considered to ascertain the trade-offs between cavity geometry and flux distribution. Simple analytical tools developed are applied to the analysis and design of a dome-capped cylindrical receiver that has desirable characteristics for transferring heat to a Dish/Brayton or Dish/Stirling system.

Hamilton, N. I.; Jarvinen, P. O.

1979-01-01T23:59:59.000Z

365

An optimized model and test of the China's first high temperature parabolic trough solar receiver  

SciTech Connect

The vacuum solar receiver is the key component of a parabolic trough solar plant, which plays a prominent role in the gross system efficiency. Recently, China's first high temperature vacuum receiver, Sanle-3 HCE, has been developed and produced by Southeast University and Sanle Electronic Group. Before being utilized in China's first parabolic trough solar plant, accurately estimating the thermal properties of this new receiver is important. This paper first establishes and optimizes a 1-D theoretical model at Matlab program to compute the receiver's major heat loss through glass envelope, and then systematically analyzes the major influence factors of heat loss. With the laboratorial steady state test stand, the heat losses of both good vacuum and non-vacuum Sanle-3 receivers were surveyed. Comparison shows the original 1-D model agrees with the ends covered test while remarkably deviating from end exposed test. For the purpose of identifying the influence of receiver's end to total heat loss, an additional 3-D model is built by CFD software to further investigate the different heat transfer processes of receiver's end components. The 3-D end model is verified by heating power and IR temperature distribution images in the test. Combining the optimized 1-D model with the new 3-D end model, the comparison with test data shows a good accordance. At the same time the heat loss curve and emittance curve of this new receiver are given and compared with those of several other existing receivers as references. (author)

Gong, Guangjie; Huang, Xinyan; Wang, Jun; Hao, Menglong [Southeast University, Nanjing (China)

2010-12-15T23:59:59.000Z

366

Thermal stress analysis of eccentric tube receiver using concentrated solar radiation  

SciTech Connect

In the parabolic trough concentrator with tube receiver system, the heat transfer fluid flowing through the tube receiver can induce high thermal stress and deflection. In this study, the eccentric tube receiver is introduced with the aim to reduce the thermal stresses of tube receiver. The ray-thermal-structural sequential coupled numerical analyses are adopted to obtain the concentrated heat flux distributions, temperature distributions and thermal stress fields of both the eccentric and concentric tube receivers. During the sequential coupled numerical analyses, the concentrated heat flux distribution on the bottom half periphery of tube receiver is obtained by Monte-Carlo ray tracing method, and the fitting function method is introduced for the calculated heat flux distribution transformation from the Monte-Carlo ray tracing model to the CFD analysis model. The temperature distributions and thermal stress fields are obtained by the CFD and FEA analyses, respectively. The effects of eccentricity and oriented angle variation on the thermal stresses of eccentric tube receiver are also investigated. It is recommended to adopt the eccentric tube receiver with optimum eccentricity and 90 oriented angle as tube receiver for the parabolic trough concentrator system to reduce the thermal stresses. (author)

Wang, Fuqiang; Shuai, Yong; Yuan, Yuan; Yang, Guo; Tan, Heping [School of Energy Science and Engineering, Harbin Institute of Technology, 92, West Dazhi Street, Harbin 150001 (China)

2010-10-15T23:59:59.000Z

367

Rosenzweig of DND-CAT & Northwestern University Receives MacArthur...  

NLE Websites -- All DOE Office Websites (Extended Search)

Industry Argonne Home Advanced Photon Source October 6th, 2003 Rosenzweig of DND-CAT & Northwestern University Receives MacArthur Grant Photo of Amy Rosenzweig Amy...

368

Your attention please: designing security-decision UIs to make genuine risks harder to ignore  

Science Conference Proceedings (OSTI)

We designed and tested attractors for computer security dialogs: user-interface modifications used to draw users' attention to the most important information for making decisions. Some of these modifications were purely visual, while others temporarily ... Keywords: attractors, dialogs, habituation, methodologies, usable security, warnings

Cristian Bravo-Lillo; Saranga Komanduri; Lorrie Faith Cranor; Robert W. Reeder; Manya Sleeper; Julie Downs; Stuart Schechter

2013-07-01T23:59:59.000Z

369

System architecture modeling of an UWB receiver for wireless sensor network  

Science Conference Proceedings (OSTI)

This paper presents a method for system architecture modeling of an IR-UWB (Impulse Radio Ultra WideBand) receiver for sensors networks applications. We expose the way for designing an FPGA (Field Programmable Gate Array) receiver starting from a previous ...

Aubin Lecointre; Daniela Dragomirescu; Robert Plana

2007-07-01T23:59:59.000Z

370

Design of a High Temperature Small Particle Solar Receiver for Powering a Gas Turbine Engine  

E-Print Network (OSTI)

Design of a High Temperature Small Particle Solar Receiver for Powering a Gas Turbine Engine Dr. Fletcher Miller SDSU Department of Mechanical Engineering Abstract Solar thermal power for electricity will describe the design of a high temperature solar receiver capable of driving a gas turbine for power

Ponce, V. Miguel

371

THREE-DIMENSIONAL FLUX PREDICTION FOR A DISH CONCENTRATOR CAVITY RECEIVER  

E-Print Network (OSTI)

of the boiling region in a steam receiver [1][2]. Measurement of the three dimensional flux distribution-dimensional flux distribution in the focal region, in particular as an aid to receiver design. Inputs to the ray a two-dimensional flux distribution which was used to calibrate the ray tracing models

372

Power-aware multiband-multistandard CMOS receiver system-level budgeting  

Science Conference Proceedings (OSTI)

A systematic system-level design methodology for multiband-multistandard (MB-MS) wideband/reconfigurable CMOS receivers is presented. The methodology determines the specifications (noise figure (NF) and linearity) for each building block to minimize ... Keywords: multiband-multistandard (MB-MS) CMOS receiver, power consumption, system-level budgeting

Mohamed El-Nozahi; Edgar Sánchez-Sinencio; Kamran Entesari

2009-07-01T23:59:59.000Z

373

Central receiver solar thermal power system, phase 1. Progress report for period ending December 31, 1975  

DOE Green Energy (OSTI)

The program objective is the preliminary design of a 10 MWe pilot solar power plant supported by major subsystem experiments. Progress is reported on the following task elements: 10 MWe pilot plant; collector subsystem design and analysis; receiver subsystem requirements; receiver subsystem design; thermal storage subsystem; electrical power generation subsystem; and pilot plant architectural engineering and support. (WDM)

None

1976-04-01T23:59:59.000Z

374

Thermal performance simulation of a solar cavity receiver under windy conditions  

SciTech Connect

Solar cavity receiver plays a dominant role in the light-heat conversion. Its performance can directly affect the efficiency of the whole power generation system. A combined calculation method for evaluating the thermal performance of the solar cavity receiver is raised in this paper. This method couples the Monte-Carlo method, the correlations of the flow boiling heat transfer, and the calculation of air flow field. And this method can ultimately figure out the surface heat flux inside the cavity, the wall temperature of the boiling tubes, and the heat loss of the solar receiver with an iterative solution. With this method, the thermal performance of a solar cavity receiver, a saturated steam receiver, is simulated under different wind environments. The highest wall temperature of the boiling tubes is about 150 C higher than the water saturation temperature. And it appears in the upper middle parts of the absorbing panels. Changing the wind angle or velocity can obviously affect the air velocity inside the receiver. The air velocity reaches the maximum value when the wind comes from the side of the receiver (flow angle {alpha} = 90 ). The heat loss of the solar cavity receiver also reaches a maximum for the side-on wind. (author)

Fang, J.B.; Wei, J.J.; Dong, X.W.; Wang, Y.S. [State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049 (China)

2011-01-15T23:59:59.000Z

375

Modelling the convective flow in solar thermal receivers K.C. Yeh; G. Hughes & K. Lovegrove  

E-Print Network (OSTI)

Modelling the convective flow in solar thermal receivers K.C. Yeh; G. Hughes & K. Lovegrove density differences produced using the varying salt concentrations in a water tank. The flow to visualise #12;Modelling the Convective Flow in Solar Thermal Receivers Yeh the flow outside the cavity mouth

376

RECEIVED JUL  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

unit (Btu) value at a low cost: coal costs roughly 2.64 per million Btu, while fuel oil costs 7.61 per million Btu. 3 Further, the cost of coal is relatively stable, while...

377

Received Date:  

E-Print Network (OSTI)

As a student at Ramapo College of New Jersey in the environmental program, I have been evaluating the DSEIS for the re-licensing of Indian Point. When the EIS was generated in the late 1990’s to begin the re-licensing process for Indian Point 2 and 3, there was no evaluation included in the document on the visual impacts the facility posed to the surrounding view shed. This includes the construction of the proposed cooling tower. The Indian Point facility is visible from several different elevations and vantage points along the Hudson River Valley, posing different impacts to the communities of varying income and minority populations surrounding Indian Point. In 1975 a study was done by Grant R. Jones evaluating the visual impacts of various cooling tower options at Indian Point Nuclear Facility. This study looked at the visual impacts from the proposed cooling tower, including the height of the concrete structure and varying size and thickness of the moisture plume produced. Both of these elements can be impacted with changes in weather and wind patterns. The study concluded that the construction of a cooling tower at Indian Point would have an even greater adverse affect on the view shed than the facility itself already posses (Jones, Ady & Gray, 1979). The mayor of the Village of Buchanan also expressed his

Andrew Stuyvenberg; Post Office

2009-01-01T23:59:59.000Z

378

DOE Receives $57.2 Million in Revenue Sharing Agreement | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Receives $57.2 Million in Revenue Sharing Agreement Receives $57.2 Million in Revenue Sharing Agreement DOE Receives $57.2 Million in Revenue Sharing Agreement February 3, 2009 - 12:00pm Addthis Washington, D.C. -- The U. S. Department of Energy (DOE) has received a payment of $57.2 million from the Dakota Gasification Company (DGC), a subsidiary of Basin Electric Power Generation, pursuant to the revenue sharing provision of an Asset Purchase Agreement among DOE, DGC and Basin. The current payment of $57.2 million brings the total to $380 million of revenue sharing payments DOE has received from the sale of synthetic natural gas produced from the Great Plains Synfuels Plant. The Great Plains Synfuels Plant has been successfully operated for more than 20 years and has brought significant opportunities to study and benefit from the

379

10-MWe pilot-plant-receiver panel test requirements document solar thermal test facility  

DOE Green Energy (OSTI)

Testing plans for a full-scale test receiver panel and supporting hardware which essentially duplicate both physically and functionally, the design planned for the Barstow Solar Pilot Plant are presented. Testing is to include operation during normal start and shutdown, intermittent cloud conditions, and emergencies to determine the panel's transient and steady state operating characteristics and performance under conditions equal to or exceeding those expected in the pilot plant. The effects of variations of input and output conditions on receiver operation are also to be investigated. Test hardware are described, including the pilot plant receiver, the test receiver assembly, receiver panel, flow control, electrical control and instrumentation, and structural assembly. Requirements for the Solar Thermal Test Facility for the tests are given. The safety of the system is briefly discussed, and procedures are described for assembly, installation, checkout, normal and abnormal operations, maintenance, removal and disposition. Also briefly discussed are quality assurance, contract responsibilities, and test documentation. (LEW)

Not Available

1978-08-25T23:59:59.000Z

380

January 23, 2007: WIPP receives first shipment of waste | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

January 23, 2007: WIPP receives first shipment of waste January 23, 2007: WIPP receives first shipment of waste January 23, 2007: WIPP receives first shipment of waste January 23, 2007: WIPP receives first shipment of waste January 23, 2007 The Department's Waste Isolation Pilot Plant (WIPP) near Carlsbad, New Mexico, receives (pdf) its first shipment of remote-handled (RH) transuranic (TRU) radioactive waste. The waste, which consisted of three 30-gallon drums of radioactive debris waste and originated at DOE's Idaho National Laboratory, was transported inside a shielded RH-72B shipping cask, providing the same low radiation levels as the contact-handled (CH) TRU wastes that have been shipped to WIPP since 1999. "This first shipment of RH-TRU waste is particularly significant to DOE," notes DOE Assistant

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Local graduate receives B&W four-year scholarship | Y-12 National Security  

NLE Websites -- All DOE Office Websites (Extended Search)

Local graduate receives ... Local graduate receives ... Local graduate receives B&W four-year scholarship Posted: September 5, 2013 - 4:02pm Babcock & Wilcox recently announced the 2013 B&W Scholarship recipients, and Deputy General Manager of Operations Dave Richardson (left in photo) was on hand at Y-12's New Hope Center to congratulate Bearden High School graduate Sheri Cunningham (center). Cunningham is the daughter of B&W Y-12 engineer Penny Cunningham (right in photo). Scholarships were awarded based on academic achievement, Scholastic Aptitude Test or American College Test scores, financial need and the relevance of the student's course of study to the company's business. Cunningham will receive $1,500 per year for up to four years of college-level study. Her application was one of more than 100 received and

382

Agency Responses to Comments Received during the 2011 Alaska Forum on the  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Agency Responses to Comments Received during the 2011 Alaska Forum Agency Responses to Comments Received during the 2011 Alaska Forum on the Environment Agency Responses to Comments Received during the 2011 Alaska Forum on the Environment Agency Responses to Comments Received during the 2011 Alaska Forum on the Environment Environmental Justice Interagency Working Group Community Dialogue Anchorage, AK February 7-11, 2011 The EJ IWG conducted 18 community dialogues across the country from February 2011 to November 2011. Comments and concerns of the community were recorded at each meeting. The IWG's commitment was that its agency partners would provide responses to communities about the concerns that were raised during these meetings. Agency Responses to Comments Received during the 2011 Alaska Forum on the Environment More Documents & Publications

383

HEAP: heat energy analysis program. A computer model simulating solar receivers  

DOE Green Energy (OSTI)

Thermal design of solar receivers is commonly accomplished via approximate models, where the receiver is treated as an isothermal box with lumped quantities of heat losses to the surroundings by radiation, conduction and convection. These approximate models, though adequate for preliminary design purposes, are not detailed enough to distinguish between different receiver designs, or to predict transient performance under variable solar flux, ambient temperatures, etc. A computer code has been written for this purpose and is given the name HEAP, an acronym for Heat Energy Analysis Program. HEAP has a basic structure that fits a general heat transfer problem, but with specific features that are custom-made for solar receivers. The code is written in MBASIC computer language. This document explains the detailed methodology followed in solving the heat transfer problem, and includes a program flow chart, an explanation of input and output tables, and an example of the simulation of a cavity-type solar receiver.

Lansing, F.L.

1979-01-15T23:59:59.000Z

384

An improved model for natural convection heat loss from modified cavity receiver of solar dish concentrator  

Science Conference Proceedings (OSTI)

A 2-D model has been proposed to investigate the approximate estimation of the natural convection heat loss from modified cavity receiver of without insulation (WOI) and with insulation (WI) at the bottom of the aperture plane in our previous article. In this paper, a 3-D numerical model is presented to investigate the accurate estimation of natural convection heat loss from modified cavity receiver (WOI) of fuzzy focal solar dish concentrator. A comparison of 2-D and 3-D natural convection heat loss from a modified cavity receiver is carried out. A parametric study is carried out to develop separate Nusselt number correlations for 2-D and 3-D geometries of modified cavity receiver for estimation of convective heat loss from the receiver. The results show that the 2-D and 3-D are comparable only at higher angle of inclinations (60 {solar dish collector, when compared with other well known models. (author)

Reddy, K.S.; Sendhil Kumar, N. [Heat Transfer and Thermal Power Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, Tamilnadu 600036 (India)

2009-10-15T23:59:59.000Z

385

Impact of Aerosols on Atmospheric Attenuation Loss in Central Receiver Systems: Preprint  

Science Conference Proceedings (OSTI)

Atmospheric attenuation loss between the heliostat field and receiver has been recognized as a significant source of loss in Central Receiver Systems. In clear sky situations, extinction of Direct Normal Irradiance (DNI) is primarily by aerosols in the atmosphere. When aerosol loading is high close to the surface the attenuation loss between heliostat and receivers is significantly influenced by the amount of aerosols present on a particular day. This study relates measured DNI to aerosol optical depths close to the surface of the earth. The model developed in the paper uses only measured DNI to estimate the attenuation between heliostat and receiver in a central receiver system. The requirement that only a DNI measurement is available potentially makes the model a candidate for widespread use.

Sengupta, M.; Wagner, M. J.

2011-08-01T23:59:59.000Z

386

Shipper/receiver difference verification of spent fuel by use of PDET  

Science Conference Proceedings (OSTI)

Spent fuel storage pools in most countries are rapidly approaching their design limits with the discharge of over 10,000 metric tons of heavy metal from global reactors. Countries like UK, France or Japan have adopted a closed fuel cycle by reprocessing spent fuel and recycling MOX fuel while many other countries opted for above ground interim dry storage for their spent fuel management strategy. Some countries like Finland and Sweden are already well on the way to setting up a conditioning plant and a deep geological repository for spent fuel. For all these situations, shipments of spent fuel are needed and the number of these shipments is expected to increase significantly. Although shipper/receiver difference (SRD) verification measurements are needed by IAEA when the recipient facility receives spent fuel, these are not being practiced to the level that IAEA has desired due to lack of a credible measurement methodology and instrument that can reliably perform these measurements to verify non-diversion of spent fuel during shipment and confirm facility operator declarations on the spent fuel. In this paper, we describe a new safeguards method and an associated instrument, Partial Defect Tester (PDET), which can detect pin diversion from Pressurized Water Reactor (PWR) Spent Fuel Assemblies in an in-situ condition. The PDET uses multiple tiny neutron and gamma detectors in the form of a cluster and a simple, yet highly precise, gravity-driven system to obtain underwater radiation measurements inside a Pressurized Water Reactor (PWR) spent fuel assembly. The method takes advantage of the PWR fuel design which contains multiple guide tubes which can be accessed from the top. The data obtained in such a manner can provide spatial distribution of neutron and gamma flux within a spent fuel assembly. Our simulation study as well as validation measurements indicated that the ratio of the gamma signal to the thermal neutron signal at each detector location normalized to the peak ratio of all the detector locations gives a unique signature that is sensitive to missing pins. The signature is principally dependent on the geometry of the detector locations, and little sensitive to enrichment or burn-up variations. A small variation in the fuel bundle, such as a few missing pins, changes the shape of the signature to enable detection. After verification of the non-diversion of spent fuel pins, the neutron signal and gamma signal are subsequently used to verify the consistency of the operator declaration on the fuel burn-up and cooling time. (authors)

Ham, Y. S.; Sitaraman, S. [Global Security Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94550 (United States)

2011-07-01T23:59:59.000Z

387

Suction-recirculation device for stabilizing particle flows within a solar powered solid particle receiver  

DOE Patents (OSTI)

A suction-recirculation device for stabilizing the flow of a curtain of blackened heat absorption particles falling inside of a solar receiver with an open aperture. The curtain of particles absorbs the concentrated heat from a solar mirror array reflected up to the receiver on a solar power tower. External winds entering the receiver at an oblique angle can destabilize the particle curtain and eject particles. A fan and ductwork is located behind the back wall of the receiver and sucks air out through an array of small holes in the back wall. Any entrained particles are separated out by a conventional cyclone device. Then, the air is recirculated back to the top of the receiver by injecting the recycled air through an array of small holes in the receiver's ceiling and upper aperture front wall. Since internal air is recirculated, heat losses are minimized and high receiver efficiency is maintained. Suction-recirculation velocities in the range of 1-5 m/s are sufficient to stabilize the particle curtain against external wind speeds in excess of 10 m/s.

Kolb, Gregory J. (Albuquerque, NM)

2012-02-07T23:59:59.000Z

388

Suction-recirculation device for stabilizing particle flows within a solar powered solid particle receiver  

SciTech Connect

A suction-recirculation device for stabilizing the flow of a curtain of blackened heat absorption particles falling inside of a solar receiver with an open aperture. The curtain of particles absorbs the concentrated heat from a solar mirror array reflected up to the receiver on a solar power tower. External winds entering the receiver at an oblique angle can destabilize the particle curtain and eject particles. A fan and ductwork is located behind the back wall of the receiver and sucks air out through an array of small holes in the back wall. Any entrained particles are separated out by a conventional cyclone device. Then, the air is recirculated back to the top of the receiver by injecting the recycled air through an array of small holes in the receiver's ceiling and upper aperture front wall. Since internal air is recirculated, heat losses are minimized and high receiver efficiency is maintained. Suction-recirculation velocities in the range of 1-5 m/s are sufficient to stabilize the particle curtain against external wind speeds in excess of 10 m/s.

Kolb, Gregory J. (Albuquerque, NM)

2012-02-07T23:59:59.000Z

389

RANGE INCREASER FOR PNEUMATIC GAUGES  

DOE Patents (OSTI)

An improved pneumatic gage is offered in which the linear range has been increased without excessive air consumption. This has been accomplished by providing an expansible antechamber connected to the nozzle of the gage so that the position of the nozzle with respect to the workpiece is varied automatically by variation in pressure within the antechamber. This arrangement ensures that the nozzle-to-workpiece clearance is maintained within certain limits, thus obtaining a linear relation of air flow to nozzle-to-workpiece clearance over a wider range.

Fowler, A.H.; Seaborn, G.B. Jr.

1960-09-27T23:59:59.000Z

390

PERFORMANCE ANALYSIS OF A WINDOWED HIGH TEMPERATURE GAS RECEIVER USING A SUSPENSION OF ULTRAFINE CARBON PARTICLES AS THE SOLAR ABSORBER  

E-Print Network (OSTI)

efficiency. INTRODUCTION Recently, there has been renewed interest in windowed high temperature receivers for solar thermal

Fisk, William J.

2012-01-01T23:59:59.000Z

391

UHF FM receiver having improved frequency stability and low RFI emission  

DOE Patents (OSTI)

A UHF receiver which converts UHF modulated carrier signals to baseband video signals without any heterodyne or frequency conversion stages. A bandpass filter having a fixed frequency first filters the signals. A low noise amplifier amplifies the filtered signal and applies the signal through further amplification stages to a limited FM demodulator circuit. The UHF signal is directly converted to a baseband video signal. The baseband video signal is clamped by a clamping circuit before driving a monitor. Frequency stability for the receivers is at a theoretical maximum, and interference to adjacent receivers is eliminated due to the absence of a local oscillator.

Lupinetti, Francesco (Albuquerque, NM)

1990-02-27T23:59:59.000Z

392

UHF FM receiver having improved frequency stability and low RFI emission  

DOE Patents (OSTI)

This invention pertains to a UHF receiver which converts modulated carrier signals to baseband video signals without any heterodyne or frequency conversion stages. A bandpass filter having a fixed frequency first filters the signals. A low noise amplifier amplifies the filtered signal and applies the signal through further amplification stages to a limiter FM demodulator circuit. The UHF signal is directly converted to a baseband video signal. The baseband video signal is clamped by a clamping circuit before driving a monitor. Frequency stability for the receivers is at a theoretical maximum, and interference to adjacent receivers is eliminated due to the absence of a local oscillator. 5 refs.

Lupinetti, F.

1988-08-29T23:59:59.000Z

393

Rotating control head applications increasing  

Science Conference Proceedings (OSTI)

Rotating control head technology has become an important tool for lowering drilling costs and increasing well productivity, especially in many hard-rock areas and mature oil and gas fields. Lower drilling costs are achieved primarily by the faster penetration rates, reduced nondrilling time, and reduced mud volume requirements associated with underbalanced drilling. Greater well productivity can sometimes be obtained because of reduced formation damage for mud. Recent advances in rotating head technology have increased the range of well conditions to which this technology can be applied. Even though the use of rotating control heads is growing rapidly, this topic has been largely neglected in most well control training programs. Many engineers are not yet familiar with this important emerging technology and some of the modern concepts and practices used. The paper discusses the high-pressure rotating head and its application to gas or air drilling, flow drilling, geothermal drilling, overbalanced drilling and workover operations. The paper also discusses operating guidelines and rig crew training.

Bourgoyne, A.T. Jr. [Louisiana State Univ., Baton Rouge, LA (United States)

1995-10-09T23:59:59.000Z

394

Energy Secretary Chu to Receive Arthur L. Schawlow Award at the Laser  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Secretary Chu to Receive Arthur L. Schawlow Award at the Energy Secretary Chu to Receive Arthur L. Schawlow Award at the Laser Institute of America Annual Meeting Energy Secretary Chu to Receive Arthur L. Schawlow Award at the Laser Institute of America Annual Meeting September 28, 2010 - 12:00am Addthis Washington D.C. --- U.S. Energy Secretary Steven Chu will receive the Arthur L. Schawlow Award at the Laser Institute of America Annual Meeting tomorrow in Anaheim, CA, in recognition of his contributions to applications of lasers in science. Chu, who won the 1997 Nobel Prize in physics for his work using lasers to cool and trap atoms, will address conference attendees. Who: What When: Where: U.S. Energy Secretary Steven Chu Award reception and remarks at the Laser Institute of America Annual Meeting Wednesday, September 29, 12:30 pm

395

Persons Who Received the DC PSC's Emergency Petition and Complaint via  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Persons Who Received the DC PSC's Emergency Petition and Complaint Persons Who Received the DC PSC's Emergency Petition and Complaint via E-mail on August 24, 2005 Persons Who Received the DC PSC's Emergency Petition and Complaint via E-mail on August 24, 2005 Docket No. EO-05-01: In response to your August 29, 2005 letter, attached please find a list of all entities and organizations to whom we served the District of Columbia Public Service Commission's (HOC PSC") Petition and Complaint filed on August 24, 2005, in the above-referenced proceeding. In addition, attached is the Federal Energy Regulatory Conmlission ("FERC") service list which contains some additional entities that have intervened before the FERC and that have apparently viewed the DC PSC's Petition and Complaint. Persons Who Received the DC PSC's Emergency Petition and Complaint via

396

Secretary Chu Announces 69 Early Career Scientists to Receive up to $85  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

69 Early Career Scientists to Receive up to 69 Early Career Scientists to Receive up to $85 Million in Funding to Support Research Secretary Chu Announces 69 Early Career Scientists to Receive up to $85 Million in Funding to Support Research January 14, 2010 - 12:00am Addthis Washington, DC - Underscoring the Obama Administration's commitment to investing in innovation and research, U.S. Department of Energy Secretary Steven Chu today announced that 69 scientists from across the nation will receive up to $85 million in funding under the American Recovery and Reinvestment Act for five-year research grants as part of DOE's new Early Career Research Program. The new effort is designed to bolster the nation's scientific workforce by providing support to exceptional researchers during the crucial early career years, when many scientists do

397

Tiffany A. Blanchard-Case receives 2013 Linton Brooks Medal | National  

National Nuclear Security Administration (NNSA)

Tiffany A. Blanchard-Case receives 2013 Linton Brooks Medal | National Tiffany A. Blanchard-Case receives 2013 Linton Brooks Medal | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Tiffany A. Blanchard-Case receives 2013 Linton Brooks Medal Tiffany A. Blanchard-Case receives 2013 Linton Brooks Medal Posted By Office of Public Affairs Tiffany A. Blanchard-Case has been selected as the recipient of the 2013

398

Y-12's historian receives 2013 Muddy Boot Award | National Nuclear  

National Nuclear Security Administration (NNSA)

's historian receives 2013 Muddy Boot Award | National Nuclear 's historian receives 2013 Muddy Boot Award | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Y-12's historian receives 2013 Muddy Boot Award Y-12's historian receives 2013 Muddy Boot Award Posted By Office of Public Affairs Y-12 historian Ray Smith was among the recipients at the recent East

399

DOE Lab Receives Award for Work on Drilling Technology | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE Lab Receives Award for Work on Drilling Technology DOE Lab Receives Award for Work on Drilling Technology DOE Lab Receives Award for Work on Drilling Technology June 13, 2013 - 11:52am Addthis DOE Lab Receives Award for Work on Drilling Technology Directional drilling - the drilling of non-vertical wells that helped make the development of shale gas possible -- will continue to play a key role in energy development, and so will the technologies that make it possible. The benefits of directional drilling are tremendous. Think cleaner, cheaper electricity; local economy booms; and decreased dependence on foreign energy. The unconventional oil and gas resources that can be tapped through directional drilling benefit consumers, businesses, and even the transportation sector. So being recognized as an innovator in this area is

400

DOE Receives Responses on the Implementation of Large-Capacity Clothes  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Receives Responses on the Implementation of Large-Capacity Receives Responses on the Implementation of Large-Capacity Clothes Washer Waivers DOE Receives Responses on the Implementation of Large-Capacity Clothes Washer Waivers December 8, 2010 - 11:02am Addthis The Department last week invited interested parties to submit views on the proper application of waivers establishing alternative test procedures for existing large-capacity residential clothes washer models and units. We received responses from several parties, which can be found below. Alliance Laundry Systems EarthJustice Electrolux GE Appliances and Lighting LG Electronics Whirlpool Corporation The Department is currently reviewing these responses and will promptly make public its conclusions. Addthis Related Articles DOE Solicits Views on the Implementation of Large-Capacity Clothes Washer

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Energy Secretary Chu to Receive Arthur L. Schawlow Award at the Laser  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Receive Arthur L. Schawlow Award at the Receive Arthur L. Schawlow Award at the Laser Institute of America Annual Meeting Energy Secretary Chu to Receive Arthur L. Schawlow Award at the Laser Institute of America Annual Meeting September 28, 2010 - 12:00am Addthis Washington D.C. --- U.S. Energy Secretary Steven Chu will receive the Arthur L. Schawlow Award at the Laser Institute of America Annual Meeting tomorrow in Anaheim, CA, in recognition of his contributions to applications of lasers in science. Chu, who won the 1997 Nobel Prize in physics for his work using lasers to cool and trap atoms, will address conference attendees. Who: What When: Where: U.S. Energy Secretary Steven Chu Award reception and remarks at the Laser Institute of America Annual Meeting Wednesday, September 29, 12:30 pm Anaheim Marriott Hotel

402

Radar Receiver Calibration by Means of Multiple Processing of Weather Echoes  

Science Conference Proceedings (OSTI)

In this paper we analyze a method of real-time radar receiver calibration by means of multiple processing of the same meteorological echoes collected during the routine measurements.

Eugenio Gorgucci; Gianfranco Scarchilli; Roberto Leonardi

1989-06-01T23:59:59.000Z

403

Configuration Management Plan for Long Length Contaminated Equipment Receiver and Transport Trailers  

SciTech Connect

Long Length Contaminated Equipment Removal System Receiver Trailers and Transport Trailers require identification and control for the design, requirements and operations baseline documents. This plan serves as those controls for the subject trailers.

DALE, R.N.

2000-12-18T23:59:59.000Z

404

Analysis and restoration of a 1960s ear vacuum tube AM-FM reflex receiver  

E-Print Network (OSTI)

This thesis details the analysis, restoration, and evaluation of a 1960s era vacuum tube AM-FM reflex receiver. External influences such as tax laws necessitated clever designs to minimize the use of expensive vacuum tubes ...

Golden, Adam J

2004-01-01T23:59:59.000Z

405

Power Ratio Estimation in Incoherent Backscatter Lidar: Heterodyne Receiver with Square Law Detection  

Science Conference Proceedings (OSTI)

Comparative return irradiance estimation in a two channel heterodyne lidar receiver should be facilitated by processing finite data samples obtained in a period short compared with that of atmospheric fluctuations affecting beam propagation. Here ...

B. J. Rye

1983-11-01T23:59:59.000Z

406

Optimization of central receiver concentrated solar thermal : site selection, heliostat layout & canting  

E-Print Network (OSTI)

In this thesis, two new models are introduced for the purposes of (i) locating sites in hillside terrain suitable for central receiver solar thermal plants and (ii) optimization of heliostat field layouts for any terrain. ...

Noone, Corey J. (Corey James)

2011-01-01T23:59:59.000Z

407

Small-Particle Solar Receiver for High-Temperature Brayton Power Cycles (Fact Sheet)  

Science Conference Proceedings (OSTI)

San Diego State University is one of the 2012 SunShot CSP R&D awardees for their advanced receivers. This fact sheet explains the motivation, description, and impact of the project.

Not Available

2012-09-01T23:59:59.000Z

408

High-Efficiency Receivers for Supercritical Carbon Dioxide Cycles, Concentrating Solar Power (Fact Sheet)  

Science Conference Proceedings (OSTI)

Brayton Energy is one of the 2012 SunShot CSP R&D awardees for their advanced receivers. This fact sheet explains the motivation, description, and impact of the project.

Not Available

2012-09-01T23:59:59.000Z

409

Modeling the solar thermal receiver for the CSPonD Project  

E-Print Network (OSTI)

The objective was to create an accurate steady state thermal model of a molten salt receiver prototype with a horizontal divider plate in the molten salt for Concentrated Solar Power on Demand (CSPonD). The purpose of the ...

Rees, Jennifer A. (Jennifer Anne)

2011-01-01T23:59:59.000Z

410

Anton Tran receives award from the Air War College | National Nuclear  

National Nuclear Security Administration (NNSA)

Anton Tran receives award from the Air War College | National Nuclear Anton Tran receives award from the Air War College | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Anton Tran receives award from the Air ... Anton Tran receives award from the Air War College Posted By Office of Public Affairs Anton Tran Anton Tran, from NNSA's Office of Nuclear Weapon Surety and Quality, has

411

Solar test of an integrated sodium reflux heat pipe receiver/reactor for thermochemical energy transport  

DOE Green Energy (OSTI)

A chemical reactor for carbon dioxide reforming of methane was integrated into a sodium reflux heat pipe receiver and tested in the solar furnace of the Weizmann Institute of Science, Rehovot, Israel. The receiver/reactor was a heat pipe with seven tubes inside an evacuated metal box containing sodium. The catalyst, 0.5 wt% Rh on alumina, filled two of the tubes with the front surface of the box serving as the solar absorber. In operation, concentrated sunlight heated the front plate and vaporized sodium from a wire mesh wick attached to other side. Sodium vapor condensed on the reactor tubes, releasing latent heat and returning to the wick by gravity. The receiver system performed satisfactorily in many tests under varying flow conditions. The maximum power absorbed was 7.5 kW at temperatures above 800C. The feasibility of operating a heat pipe receiver/reactor under solar conditions was proven, and the advantages of reflux devices confirmed.

Diver, R.B.; Fish, J.D. (Sandia National Labs., Albuquerque, NM (United States)); Levitan, R.; Levy, M.; Meirovitch, E.; Rosin, H. (Weizmann Inst. of Science, Rehovot (Israel)); Paripatyadar, S.A.; Richardson, J.T. (Univ. of Houston, TX (United States))

1992-01-01T23:59:59.000Z

412

Measuring the Optical Performance of Evacuated Receivers via an Outdoor Thermal Transient Test: Preprint  

DOE Green Energy (OSTI)

Modern parabolic trough solar collectors operated at high temperatures to provide the heat input to Rankine steam power cycles employ evacuated receiver tubes along the collector focal line. High performance is achieved via the use of a selective surface with a high absorptance for incoming short-wave solar radiation and a low emittance for outgoing long-wave infrared radiation, as well as the use of a hard vacuum to essentially eliminate convective and conductive heat losses. This paper describes a new method that determines receiver overall optical efficiency by exposing a fluid-filled, pre-cooled receiver to one sun outdoors and measuring the slope of the temperature curve at the point where the receiver temperature passes the glass envelope temperature (that is, the point at which there is no heat gain or loss from the absorber). This transient test method offers the potential advantages of simplicity, high accuracy, and the use of the actual solar spectrum.

Kutscher, C.; Burkholder, F.; Netter, J.

2011-08-01T23:59:59.000Z

413

Stationary concentrators for tubular evacuated receivers: optimization and comparison of reflector designs  

SciTech Connect

Tubular evacuated receivers such as those manufactured by Owens-Illinois and General Electric Company offer considerable potential for cost-effective solar collectors for heating and cooling and for industrial process heat applications. The receivers were originally introduced in collectors having simple reflector shapes to augment the receiver tube area presented to the sun. More recent commercial collectors use nonimaging concentrators. Comparisons of the optical efficiencies of the different collector designs are presented as a function of incident angle, and the factors which determine the optical performance of a given concentrator design are discussed. Although different concentrator designs would be recommended for various combinations of receiver characteristics, collector materials, manufacturing costs and operating temperatures, it is clear that optimized nonimaging concentrators, originated by Winston and further developed at both the University of Chicago and Argonne National Laboratory offer substantial advantages over other concentrator designs for the concentration ratios of interest.

McIntire, W.R.

1980-01-01T23:59:59.000Z

414

Predicting flammable gas mixtures in Hanford double-contained receiver tanks  

DOE Green Energy (OSTI)

This study presents a methodology to estimate the maximum concentrations of flammable gases (ammonia, hydrogen, and methane) which could exist in the vapor space of a double-contained receiver tank (DCRT). DCRTs are temporary storage tanks which receive highly radioactive liquid wastes from salt well pumping of Hanford single-shell tanks (SST). The methodology of this study could be used in other applications involving the storage and transfer of radioactive liquid wastes which generate or contain various dissolved flammable gases.

Hedengren, D.C.

1998-05-13T23:59:59.000Z

415

Waste Receiving and Processing (WRAP) Facility Weight Scale Analysis Fairbanks Weight Scale Evaluation Results  

SciTech Connect

Fairbanks Weight Scales are used at the Waste Receiving and Processing (WRAP) facility to determine the weight of waste drums as they are received, processed, and shipped. Due to recent problems, discovered during calibration, the WRAP Engineering Department has completed this document which outlines both the investigation of the infeed conveyor scale failure in September of 1999 and recommendations for calibration procedure modifications designed to correct deficiencies in the current procedures.

JOHNSON, M.D.

2000-03-13T23:59:59.000Z

416

SiGe analog AGC circuit for an 802.11a WLAN direct conversion receiver  

Science Conference Proceedings (OSTI)

This brief presents a baseband automatic gain control (AGC) circuit for an IEEE 802.11a wireless local area network (WLAN) direct conversion receiver. The whole receiver is to be fully integrated in a low-cost 0.25-µm 75-GHz SiGe bipolar complementary ... Keywords: bipolar complementary metal-oxide-semiconductor (BiCMOS) integrated circuits, feedforward systems, gain control, peak detector, variable gain amplifier (VGA), wireless local-area network (WLAN)

J. P. Alegre; S. Celma; B. Calvo; N. Fiebig; S. Halder

2009-02-01T23:59:59.000Z

417

Predictive Factors for Radiation Pneumonitis in Hodgkin Lymphoma Patients Receiving Combined-Modality Therapy  

SciTech Connect

Purpose: This study sought to quantify the risk of radiation pneumonitis (RP) in Hodgkin lymphoma (HL) patients receiving mediastinal radiation therapy (RT) and to identify predictive factors for RP. Methods and Materials: We identified 75 patients with newly diagnosed HL treated with mediastinal RT and 17 patients with relapsed/refractory HL treated with mediastinal RT before or after transplant. Lung dose-volumetric parameters including mean lung dose and percentage of lungs receiving 20 Gy were calculated. Factors associated with RP were explored by use of the Fisher exact test. Results: RP developed in 7 patients (10%) who received mediastinal RT as part of initial therapy (Radiation Therapy Oncology Group Grade 1 in 6 cases). A mean lung dose of 13.5 Gy or greater (p = 0.04) and percentage of lungs receiving 20 Gy of 33.5% or greater (p = 0.009) significantly predicted for RP. RP developed in 6 patients (35%) with relapsed/refractory HL treated with peri-transplant mediastinal RT (Grade 3 in 4 cases). Pre-transplant mediastinal RT, compared with post-transplant mediastinal RT, significantly predicted for Grade 3 RP (57% vs. 0%, p = 0.015). Conclusions: We identified threshold lung metrics predicting for RP in HL patients receiving mediastinal RT as part of initial therapy, with the majority of cases being of mild severity. The risk of RP is significantly higher with peri-transplant mediastinal RT, especially among those who receive pre-transplant RT.

Fox, Amy M. [Department of Radiation Oncology, Brigham and Women's Hospital and Dana-Farber Cancer Institute, Boston, MA (United States); 21st Century Oncology, Fort Myers, FL (United States); Dosoretz, Arie P. [Department of Radiation Oncology, Brigham and Women's Hospital and Dana-Farber Cancer Institute, Boston, MA (United States); Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, CT (United States); Mauch, Peter M. [Department of Radiation Oncology, Brigham and Women's Hospital and Dana-Farber Cancer Institute, Boston, MA (United States); Chen, Yu-Hui [Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, MA (United States); Fisher, David C.; LaCasce, Ann S.; Freedman, Arnold S. [Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA (United States); Silver, Barbara [Department of Radiation Oncology, Brigham and Women's Hospital and Dana-Farber Cancer Institute, Boston, MA (United States); Ng, Andrea K., E-mail: ang@lroc.harvard.edu [Department of Radiation Oncology, Brigham and Women's Hospital and Dana-Farber Cancer Institute, Boston, MA (United States)

2012-05-01T23:59:59.000Z

418

Solar Central Receiver Hybrid Power Systems sodium-cooled receiver concept. Final report. Volume II, Book 2. Conceptual design, Sections 5 and 6  

DOE Green Energy (OSTI)

The overall, long-term objective of the Solar Central Receiver Hybrid Power System program is to identify, characterize, and ultimately demonstrate the viability and cost effectiveness of solar/fossil, steam Rankine cycle, hybrid power systems that: (1) consist of a combined solar central receiver energy source and a nonsolar energy source at a single, common site, (2) may operate in the base, intermediate, and peaking capacity modes, (3) produce the rated output independent of variations in solar insolation, (4) provide a significant savings (50% or more) in fuel consumption, and (5) produce power at the minimum possible cost in mills/kWh. It is essential that these hybrid concepts be technically feasible and economically competitive with other systems in the near to mid-term time period (1985-1990) on a commercial scale. The program objective for Phase I is to identify and conceptually characterize solar/fossil steam Rankine cycle, commercial-scale, power plant systems that are economically viable and technically feasible. This volume contains the detailed conceptual design and cost/performance estimates and an assessment of the commercial scale solar central receiver hybrid power system. (WHK)

None

1980-01-01T23:59:59.000Z

419

Central receiver solar thermal power system, Phase 1. CDRL Item 2. Pilot plant preliminary design report. Volume IV. Receiver subsystem. [10-MW Pilot Plant and 100-MW Commercial Plant  

DOE Green Energy (OSTI)

The conception, design, and testing of the receiver subsystem proposed by the McDonnell Douglas/Rocketdyne Receiver team for the DOE 10-MW Pilot Plant and the 100-MW Commercial Plant are described. The receiver subsystem consists of the receiver unit, the tower on which the receiver unit is mounted above the collector field, and the supporting control and instrumentation equipment. The plans for implementation of the Pilot Plant are given including the anticipated schedule and production plan (procurement, installation, checkout, and maintenance). Specifications for the performance, design, and test requirements for the Pilot Plant receiver subsystem are included. (WHK)

Hallet, Jr., R. W.; Gervais, R. L.

1977-11-01T23:59:59.000Z

420

Solar receiver protection means and method for loss of coolant flow  

DOE Patents (OSTI)

An apparatus and method are disclosed for preventing a solar receiver utilizing a flowing coolant liquid for removing heat energy therefrom from overheating after a loss of coolant flow. Solar energy is directed to the solar receiver by a plurality of reflectors which rotate so that they direct solar energy to the receiver as the earth rotates. The apparatus disclosed includes a first storage tank for containing a first predetermined volume of the coolant and a first predetermined volume of gas at a first predetermined pressure. The first storage tank includes an inlet and outlet through which the coolant can enter and exit. The apparatus also includes a second storage tank for containing a second predetermined volume of the coolant and a second predetermined volume of the gas at a second predetermined pressure, the second storage tank having an inlet through which the coolant can enter. The first and second storage tanks are in fluid communication with each other through the solar receiver. The first and second predetermined coolant volumes, the first and second gas volumes, and the first and second predetermined pressures are chosen so that a predetermined volume of the coolant liquid at a predetermined rate profile will flow from the first storage tank through the solar receiver and into the second storage tank. Thus, in the event of a power failure so that coolant flow ceases and the solar reflectors stop rotating, a flow rate maintained by the pressure differential between the first and second storage tanks will be sufficient to maintain the coolant in the receiver below a predetermined upper temperature until the solar reflectors become defocused with respect to the solar receiver due to the earth's rotation.

Glasgow, L.E.

1980-11-24T23:59:59.000Z

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Solar receiver protection means and method for loss of coolant flow  

DOE Patents (OSTI)

An apparatus and method for preventing a solar receiver (12) utilizing a flowing coolant liquid for removing heat energy therefrom from overheating after a loss of coolant flow. Solar energy is directed to the solar receiver (12) by a plurality of reflectors (16) which rotate so that they direct solar energy to the receiver (12) as the earth rotates. The apparatus disclosed includes a first storage tank (30) for containing a first predetermined volume of the coolant and a first predetermined volume of gas at a first predetermined pressure. The first storage tank (30) includes an inlet and outlet through which the coolant can enter and exit. The apparatus also includes a second storage tank (34) for containing a second predetermined volume of the coolant and a second predetermined volume of the gas at a second predetermined pressure, the second storage tank (34) having an inlet through which the coolant can enter. The first and second storage tanks (30) and (34) are in fluid communication with each other through the solar receiver (12). The first and second predetermined coolant volumes, the first and second gas volumes, and the first and second predetermined pressures are chosen so that a predetermined volume of the coolant liquid at a predetermined rate profile will flow from the first storage tank (30) through the solar receiver (12) and into the second storage tank (34). Thus, in the event of a power failure so that coolant flow ceases and the solar reflectors (16) stop rotating, a flow rate maintained by the pressure differential between the first and second storage tanks (30) and (34) will be sufficient to maintain the coolant in the receiver (12) below a predetermined upper temperature until the solar reflectors (16) become defocused with respect to the solar receiver (12) due to the earth's rotation.

Glasgow, Lyle E. (Westlake Village, CA)

1983-01-01T23:59:59.000Z

422

10-MWe pilot-plant-receiver-panel test-requirements document: Solar Thermal Test Facility  

DOE Green Energy (OSTI)

Plans are presented for insolation testing of a full-scale test receiver panel and supporting hardware which essentially duplicate both physically and functionally the design planned for the 10 MWe pilot plant. Testing includes operation during normal start and shutdown, intermittent cloud conditions, and emergencies to determine the transient and steady state operating characteristics and performance under conditions equal to or exceeding those expected in the pilot plant. The effects of variations of input and output conditions on receiver operation are also to be investigated. A brief description of the pilot plant receiver subsystem is presented, followed by a detailed description of the receiver assembly to be tested at the Solar Thermal Test Facility. Major subassemblies are described, including the receiver panel, flow control, electrical control and instrumentation, and the structural assembly. Requirements of the Solar Thermal Test Facility for the tests are given. System safety measures are described. The tests, operating conditions, and expected results are presented. Quality assurance, task responsibilities, and test documentation are also discussed. (LEW)

Not Available

1978-06-10T23:59:59.000Z

423

A solarized Brayton engine based on turbo-charger technology and the DLR receiver  

DOE Green Energy (OSTI)

Northern Research and Engineering Corp. (NREC) is currently under contract to Sandia National Laboratories to solarize a 30 kWe Brayton engine that is based on turbo-charger technology. This program is also supported by the German Aerospace Research Establishment (DLR), which is supplying the solar receiver through an agreement with the International Energy Agency/SolarPACES. The engine is a low pressure, highly recuperated engine. The turbo-machinery is built up from commercial turbo-chargers, which ensures low cost and high reliability. A combustor will be included in the system to allow for full power production during cloud transients. Current estimates are that the engine/alternator thermal-to-electric efficiency will be 30+%. The solar receiver to be supplied by DLR will be an advanced version of their VOBREC volumetric receiver. This receiver has a parabolic quartz window and ceramic foam absorber. The estimated efficiency of the receiver is 90+%. Sandia has developed an economic model to estimate the levelized energy cost (LEC) of energy produced by dish/engine systems. The model includes both the operating characteristics of the dishes and engines as well as a detailed economic model. The results of the analysis indicate that the dish/Brayton systems compare favorably with dish/Stirling systems.

Gallup, D.R. [Sandia National Labs., Albuquerque, NM (United States); Kesseli, J.B. [Northern Research and Engineering Corp., Woburn, MA (United States)

1994-06-01T23:59:59.000Z

424

Design and performance of the collective Thomson scattering receiver at ASDEX Upgrade  

SciTech Connect

Here we present the design of the fast-ion collective Thomson scattering receiver for millimeter wave radiation installed at ASDEX Upgrade, a tokamak for fusion plasma experiments. The receiver can detect spectral power densities of a few eV against the electron cyclotron emission background on the order of 100 eV under presence of gyrotron stray radiation that is several orders of magnitude stronger than the signal to be detected. The receiver down converts the frequencies of scattered radiation (100-110 GHz) to intermediate frequencies (IF) (4.5-14.5 GHz) by heterodyning. The IF signal is divided into 50 IF channels tightly spaced in frequency space. The channels are terminated by square-law detector diodes that convert the signal power into DC voltages. We present measurements of the transmission characteristics and performance of the main receiver components operating at mm-wave frequencies (notch, bandpass, and lowpass filters, a voltage-controlled variable attenuator, and an isolator), the down-converter unit, and the IF components (amplifiers, bandpass filters, and detector diodes). Furthermore, we determine the performance of the receiver as a unit through spectral response measurements and find reasonable agreement with the expectation based on the individual component measurements.

Furtula, V.; Salewski, M.; Leipold, F.; Michelsen, P. K.; Korsholm, S. B.; Meo, F.; Moseev, D.; Nielsen, S. K.; Stejner, M. [Association Euratom - Risoe National Laboratory for Sustainable Energy, Technical University of Denmark, DK-4000 Roskilde (Denmark); Johansen, T. [DTU Elektro, Technical University of Denmark, DK-2800 Lyngby (Denmark)

2012-01-15T23:59:59.000Z

425

Convection heat loss from cavity receiver in parabolic dish solar thermal power system: A review  

SciTech Connect

The convection heat loss from cavity receiver in parabolic dish solar thermal power system can significantly reduce the efficiency and consequently the cost effectiveness of the system. It is important to assess this heat loss and subsequently improve the thermal performance of the receiver. This paper aims to present a comprehensive review and systematic summarization of the state of the art in the research and progress in this area. The efforts include the convection heat loss mechanism, experimental and numerical investigations on the cavity receivers with varied shapes that have been considered up to date, and the Nusselt number correlations developed for convection heat loss prediction as well as the wind effect. One of the most important features of this paper is that it has covered numerous cavity literatures encountered in various other engineering systems, such as those in electronic cooling devices and buildings. The studies related to those applications may provide valuable information for the solar receiver design, which may otherwise be ignored by a solar system designer. Finally, future development directions and the issues that need to be further investigated are also suggested. It is believed that this comprehensive review will be beneficial to the design, simulation, performance assessment and applications of the solar parabolic dish cavity receivers. (author)

Wu, Shuang-Ying; Xiao, Lan; Li, You-Rong [College of Power Engineering, Chongqing University, Chongqing 400044 (China); Cao, Yiding [Department of Mechanical and Materials Engineering, Florida International University, Miami, FL 33174 (United States)

2010-08-15T23:59:59.000Z

426

Conceptual design of advanced central receiver power systems sodium-cooled receiver concept. Volume 4. Commercial and pilot plant cost data. Final report  

DOE Green Energy (OSTI)

This volume of the advanced central receiver final report presents the cost data using the cost breakdown structure identified in the preliminary specification. Cost summaries are presented in the following sections for the 100-MWe and 281-MWe commercial plant and a 10-MWe pilot plant. Cost substantiation data for this volume are presented in the appendices. Other cost summary data include Nth plant data for the 100-MWe and 281-MWe commercial plants, and a summary for the alternative concept air-rock storage system. The main description of the plant costing technique occurs as part of Section II for the 100-MWe baseline concept.

Not Available

1979-03-01T23:59:59.000Z

427

Nearly 3,000 Emergency Responders Receive EM Training | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

3,000 Emergency Responders Receive EM Training 3,000 Emergency Responders Receive EM Training Nearly 3,000 Emergency Responders Receive EM Training February 26, 2013 - 12:00pm Addthis In a mock scenario, firefighters work with an accident victim during a Transportation Emergency Preparedness Program full field exercise In a mock scenario, firefighters work with an accident victim during a Transportation Emergency Preparedness Program full field exercise Students learn to identify labels and use instruments during a Transportation Emergency Preparedness Program class Students learn to identify labels and use instruments during a Transportation Emergency Preparedness Program class In a mock scenario, firefighters work with an accident victim during a Transportation Emergency Preparedness Program full field exercise

428

DOE Receives First Repayment from Successful DryFining™ Clean Coal Power  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Receives First Repayment from Successful DryFining™ Clean Coal Receives First Repayment from Successful DryFining™ Clean Coal Power Initiative Project DOE Receives First Repayment from Successful DryFining™ Clean Coal Power Initiative Project July 6, 2011 - 1:00pm Addthis Washington, DC - The success of a U.S. Department of Energy (DOE) Clean Coal Power Initiative (CCPI) project has led to a repayment of $580,000 to U.S. taxpayers, with much more - potentially exceeding $13 million - possible in the future. Great River Energy (GRE) of Maple Grove, Minn., made the payment to the Office of Fossil Energy's National Energy Technology Laboratory (NETL) recently as part of an agreement associated with the DryFining™ CCPI project. Implemented by NETL, CCPI is a cost-shared collaboration between the Federal government and private industry aimed at stimulating investment

429

Comments received on the plan presented at the March 29, 2006 conference  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

4 4 Comments to the U.S. Department of Energy on the Plan Presented at the March 29, 2006, Public Technical Conference on the Transmission Congestion Study Plan and Designation of National Interest Electric Transmission Corridors (NIETCs) The following material comprises comments received by the U.S. Department of Energy in response to a request at the March 29, 2006, Public Technical Conference on the Transmission Congestion Study Plan and Designation of National Interest Electric Transmission Corridors (NIETCs) held at the Hilton Garden Inn O'Hare Airport. These comments were received via e- mail to EPACT1221@hq.doe.gov. It was requested that all comments be submitted by close-of- business Friday, April 14, 2006. The U.S. Department of Energy presents the comments as received and without any endorsement

430

Lab receives $25,000 for Math and Science Academy from Chevron Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Lab receives $25,000 for Math and Science Academy Lab receives $25,000 for Math and Science Academy Lab receives $25,000 for Math and Science Academy from Chevron Energy Technology Company The program is conducted by LANL in cooperation with its regional education, business, and government partners. November 30, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

431

DOE Selects Biofuels Projects to Receive up to $21 Million in Funding |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Selects Biofuels Projects to Receive up to $21 Million in Selects Biofuels Projects to Receive up to $21 Million in Funding DOE Selects Biofuels Projects to Receive up to $21 Million in Funding August 31, 2009 - 12:00am Addthis WASHINGTON, DC- U.S. Department of Energy Secretary Steven Chu announced today that up to $21 million will be made available for the selection of five projects that will develop supply systems to handle and deliver high tonnage biomass feedstocks for cellulosic biofuels production. The awards announced today are part of the department's ongoing efforts to reduce U.S. dependence on foreign oil, spur the creation of the domestic bio-industry and provide new jobs in many rural areas of the country. "Biofuels will play an important role in America's clean energy portfolio," Secretary Chu said. "These projects will allow us to decrease our

432

Argonne CNM News: Volker Rose Receives 2012 DOE Early Career Research  

NLE Websites -- All DOE Office Websites (Extended Search)

Volker Rose Receives 2012 DOE Early Career Research Program Award Volker Rose Receives 2012 DOE Early Career Research Program Award Volker Rose Volker Rose with the prototype high-resolution microscope at the APS/CNM nanoprobe beamline on APS Sector 26. Volker Rose, assistant physicist with the U.S. Department of Energy (DOE) Office of Science's Advanced Photon Source X-Ray Science Division (XSD) and the Center for Nanoscale Materials (CNM) at Argonne National Laboratory, is one of four Argonne researchers who have received 2012 Early Career Research Program awards, granted by DOE to exceptional researchers beginning their careers. "Argonne is extremely proud that four of our young researchers have been chosen for this important award," said Eric D. Isaacs, Argonne Director. "These young scientists and engineers will play a vital role in our nation's future, helping to assure that invention and innovation continue to fuel America's global competitiveness in the years to come."

433

DOE Selects Biofuels Projects to Receive up to $21 Million in Funding |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE Selects Biofuels Projects to Receive up to $21 Million in DOE Selects Biofuels Projects to Receive up to $21 Million in Funding DOE Selects Biofuels Projects to Receive up to $21 Million in Funding August 31, 2009 - 12:00am Addthis WASHINGTON, DC- U.S. Department of Energy Secretary Steven Chu announced today that up to $21 million will be made available for the selection of five projects that will develop supply systems to handle and deliver high tonnage biomass feedstocks for cellulosic biofuels production. The awards announced today are part of the department's ongoing efforts to reduce U.S. dependence on foreign oil, spur the creation of the domestic bio-industry and provide new jobs in many rural areas of the country. "Biofuels will play an important role in America's clean energy portfolio," Secretary Chu said. "These projects will allow us to decrease our

434

California Team to Receive up to $122 Million for Energy Innovation Hub to  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

California Team to Receive up to $122 Million for Energy Innovation California Team to Receive up to $122 Million for Energy Innovation Hub to Develop Method to Produce Fuels from Sunlight California Team to Receive up to $122 Million for Energy Innovation Hub to Develop Method to Produce Fuels from Sunlight July 22, 2010 - 12:00am Addthis Washington, D.C. - As part of a broad effort to achieve breakthrough innovations in energy production, U.S. Deputy Secretary of Energy Daniel Poneman today announced an award of up to $122 million over five years to a multidisciplinary team of top scientists to establish an Energy Innovation Hub aimed at developing revolutionary methods to generate fuels directly from sunlight. The Joint Center for Artificial Photosynthesis (JCAP), to be led by the California Institute of Technology (Cal Tech) in partnership with the U.S.

435

WIPP Receives First Remote-Handled Waste Shipment From Sandia Labs |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

First Remote-Handled Waste Shipment From Sandia Labs First Remote-Handled Waste Shipment From Sandia Labs WIPP Receives First Remote-Handled Waste Shipment From Sandia Labs December 21, 2011 - 12:00pm Addthis Media Contact Deb Gill www.wipp.energy.gov 575-234-7270 CARLSBAD, N.M. - The U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP) has received the first of eight planned defense-related remote-handled transuranic (RH-TRU) waste shipments from Sandia National Laboratories (SNL) in Albuquerque. The shipment arrived December 16 for permanent disposal in WIPP's underground repository. DOE National TRU Program Director J.R. Stroble said the shipment is significant to WIPP. "Our goal is to reduce the nation's nuclear waste footprint and we routinely receive shipments from around the country,"

436

FOIA Requests received by DOE Headquarters (HQ) since December 31, 2008  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Requests received by DOE Headquarters (HQ) since December 31, 2008 Requests received by DOE Headquarters (HQ) since December 31, 2008 FOIA Request Number Subject Date Received Estimated Completion Date FOIA-2009-000002 Copies of all applications submitted to DOE under the Advanced Technology Vehicles Manufacturing Incentive Program 1/5/2009 5/29/2009 FOIA-2009-000003 Contract number that ITP currently holds and that GSA 332345/DOE RQ52-09NA28647 is replacing or re-competing 1/5/2009 Closed at HQ and transferred to the Savannah River Office on 1/16/2009 FOIA-2009-000004 Copies of all data provided to Senator Coburn in response to his request for information concerning leave usage and absenteeism at the DOE 1/5/2009 ECD is 1/30/2009. Closed on 1/26/2009 FOIA-2009-000005 Information related to the applicants for the DOE's $25

437

13 Early-Career Scientists Receive Top Presidential Award | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

13 Early-Career Scientists Receive Top Presidential Award 13 Early-Career Scientists Receive Top Presidential Award 13 Early-Career Scientists Receive Top Presidential Award July 26, 2012 - 12:37pm Addthis The Department awardees are being recognized for their efforts in a variety of fields – from advances in power electronics for the electric grid to innovations in scientific computation to new physics developments. | Photo courtesy of Argonne National Laboratory. The Department awardees are being recognized for their efforts in a variety of fields - from advances in power electronics for the electric grid to innovations in scientific computation to new physics developments. | Photo courtesy of Argonne National Laboratory. Michael Hess Michael Hess Former Digital Communications Specialist, Office of Public Affairs

438

Implementation of a sampled receiver using TMS320C30 signal processor  

E-Print Network (OSTI)

Advances in digital signal processors have prompted the development of various algorithms for use in all digital data receivers. This thesis discusses the implementation of a joint detection and symbol synchronization algorithm using two Texas Instruments TMS32OC30 (C30) Digital Signal Processors, one as a transmitter of digital data, and another as a sampled receiver used to implement the algorithm. It is shown that when using raised cosine pulses for transmission of symbols, and sampling of these symbols is at least 4 times above the Nyquist rate, the performance results using the TMS32OC30 Digital Signal Processor coincide with those theoretically derived. Furthermore, it is also shown that the timing estimate produced by the algorithm can be used to compensate for differing transmitter/receiver clock rates.

Van Slyke, Braddon Michael

1996-01-01T23:59:59.000Z

439

10 MWe Solar Thermal Central Receiver Pilot Plant: 1983 operational test report  

DOE Green Energy (OSTI)

The design and construction of the world's largest solar thermal central receiver electric power plant, the 10 MWe Solar Thermal Central Receiver Pilot Plant, ''Solar One,'' located near Barstow, California, were completed in 1982. The plant continued in the two-year experimental Test and Evaluation phase throughout 1983. Experiences during 1983 have shown that all parts of the plant, especially solar unique ones, operated as well as or better than expected. It was possible to incorporate routine power production into the Test and Evaluation phase because plant performance yielded high confidence. All operational modes were tested, and plant automation activities began in earnest. This report contains: (1) a brief description of the plant system; (2) a summary of the year's experiences; (3) topical sections covering preliminary power production, automation activities, and receiver leak repairs; (4) a monthly list of principal activities; and (5) operation and maintenance costs.

Bartel, J.J.

1986-01-01T23:59:59.000Z

440

Portland Company to Receive $1.3 Million to Improve Hydro Power  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Portland Company to Receive $1.3 Million to Improve Hydro Power Portland Company to Receive $1.3 Million to Improve Hydro Power Technologies Portland Company to Receive $1.3 Million to Improve Hydro Power Technologies September 15, 2009 - 12:00am Addthis Washington, DC - US Energy Secretary Steven Chu today awarded more than $1.3 million to Ocean Renewable Power Company in Portland, Maine to improve the efficiency, flexibility, and environmental performance of hydroelectric energy. The investment will further the nation's supply of domestic clean hydroelectricity through technological innovation and will advance research to maximize the nation's largest renewable energy source. "Hydropower is our largest source of renewable energy and it can play an even bigger role in the further. These investments will create jobs, cut

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

WIPP Receives First Remote-Handled Waste Shipment From Sandia Labs  

NLE Websites -- All DOE Office Websites (Extended Search)

For immediate release WIPP Receives First Remote-Handled Waste Shipment From Sandia Labs CARLSBAD, N.M., December 21, 2011 - The U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP) has received the first of eight planned defense-related remote- handled transuranic (RH-TRU) waste shipments from Sandia National Laboratories (SNL) in Albuquerque. The shipment arrived December 16 for permanent disposal in WIPP's underground repository. DOE National TRU Program Director J.R. Stroble said the shipment is significant to WIPP. "Our goal is to reduce the nation's nuclear waste footprint and we routinely receive shipments from around the country," said Stroble. "This first shipment of RH-TRU waste from

442

Performance and Reliability of Multijunction III-V Modules for Concentrator Dish and Central Receiver Applications  

Science Conference Proceedings (OSTI)

Over the last 15 years, Solar Systems have developed a dense array receiver PV technology for 500X concentrator reflective dish applications. This concentrator PV technology has been successfully deployed at six different locations in Australia, counting for more than 1 MWp of installed peak power. A new Multijunction III-V receiver to replace the current silicon Point-Contact solar cells has recently been developed. The new receiver technology is based on high-efficiency (>32%) Concentrator Ultra Triple Junction (CUTJ) solar cells from Spectrolab, resulting in system power and energy performance improvement of more than 50% compared to the silicon cells. The 0.235 m{sup 2} concentrator PV receiver, designed for continuous 500X operation, is composed of 64 dense array modules, and made of series and parallel-connected solar cells, totaling approximately 1,500 cells. The individual dense array modules have been tested under high intensity pulsed light, as well as with concentrated sunlight at the Solar Systems research facility and at the National Renewable Energy Laboratory's High Flux Solar Furnace. The efficiency of the dense array modules ranges from 30% to 36% at 500X (50 W/cm{sup 2}, AM1.5D low AOD, 21C). The temperature coefficients for power, voltage and current, as well as the influence of Air Mass on the cell responsivity, were measured. The reliability of the dense array multijunction III-V modules has been studied with accelerated aging tests, such as thermal cycling, damp heat and high-temperature soak, and with real-life high-intensity exposure. The first 33 kWp multijunction III-V receiver was recently installed in a Solar Systems dish and tested in real-life 500X concentrated sunlight conditions. Receiver efficiencies of 30.3% and 29.0% were measured at Standard Operating Conditions and Normal Operating Conditions respectively.

Verlinden, P. J.; Lewandowski, A.; Bingham, C.; Kinsey, G. S.; Sherif, R. A.; Laisch, J. B.

2006-01-01T23:59:59.000Z

443

Linking Resources and Structures: Increasing the Effectiveness...  

NLE Websites -- All DOE Office Websites (Extended Search)

Linking Resources and Structures: Increasing the Effectiveness of Energy Efficient Government Procurement Programs Title Linking Resources and Structures: Increasing the...

444

Weatherization Assistance Program: Spurring Innovation, Increasing...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Weatherization Assistance Program: Spurring Innovation, Increasing Home Energy Efficiency Weatherization Assistance Program: Spurring Innovation, Increasing Home Energy Efficiency...

445

Central Receiver Solar Thermal Power System, Phase 1. CDRL Item 10. First quarterly technical progress report  

DOE Green Energy (OSTI)

The current definition of a 10-MWe pilot plant preliminary design base line is presented, as well as a summary of a 100-MWe commercial plant base line. The subsystems described for the plants include the collector, receiver, thermal storage, and electrical power generation. A master control concept employing a centralized computer is also described. The subsystem research experiment activities for the collector, receiver, and thermal storage subsystems are presented, including a summary of SRE test requirements, overall test scheduling, and status through the conceptual design review phase of the SRE effort.

Hallet, Jr., R. W.; Gervais, R. L.

1976-01-01T23:59:59.000Z

446

Solar Central Receiver Hybrid Power Systems sodium-cooled receiver concept. Final report. Volume II, Book 1. Conceptual design, Sections 1 through 4  

DOE Green Energy (OSTI)

The overall, long-term objective of the Solar Central Receiver Hybrid Power System program is to identify, characterize, and ultimately demonstrate the viability and cost effectiveness of solar/fossil, steam Rankine cycle, hybrid power systems that: (1) consist of a combined solar central receiver energy source and a nonsolar energy source at a single, common site, (2) may operate in the base, intermediate, and peaking capacity modes, (3) produce the rated output independent of variations in solar insolation, (4) provide a significant savings (50% or more) in fuel consumption, and (5) produce power at the minimum possible cost in mills/kWh. It is essential that these hybrid concepts be technically feasible and economically competitive with other systems in the near to mid-term time period (1985-1990) on a commercial scale. The program objective for Phase I is to identify and conceptually characterize solar/fossil steam Rankine cycle, commercial-scale, power plant systems that are economically viable and technically feasible. This volume presents in detail the market analysis, parametric analysis, and the selection process for the preferred system. (WHK)

None

1980-01-01T23:59:59.000Z

447

Conceptual design of advanced central receiver power systems sodium-cooled receiver concept. Volume 2, Book 1. Commercial plant conceptual design. Final report  

DOE Green Energy (OSTI)

The conceptual design of the 100-MW solar tower focus commercial power plant is described in detail. Sodium is pumped up to the top of a tall tower where the receiver is located. The sodium is heated in the receiver and then flows down the tower, through a pressure reducing device, and thence into a large, hot storage tank which is located at ground level and whose size is made to meet a specific thermal energy storage capacity requirement. From this tank, the sodium is pumped by a separate pump, through a system of sodium-to-water steam generators. The steam generator system consists of a separate superheater and reheater operating in parallel and an evaporator unit operating in series with the other two units. The sodium flowing from the evaporator unit is piped to a cold storage tank. From the cold storage tank, sodium is then pumped up to the tip of the tower to complete the cycle. The steam generated in the steam generators is fed to a conventional off-the-shelf, high-efficiency turbine. The steam loop operates in a conventional rankine cycle with the steam generators serving the same purpose as a conventional boiler and water being fed to the evaporator with conventional feedwater pumps. The pressure reducing device (a standard drag valve, for example) serves to mitigate the pressure caused by the static head of sodium and thus allows the large tanks to operate at ambient pressure conditions. (WHK)

Not Available

1979-03-01T23:59:59.000Z

448

An Analysis of the Risks of a Terrorist Attack on LNG Receiving Facilities in the United States  

E-Print Network (OSTI)

Act of 20051 has paved the way to relatively streamlined approvals of proposed LNG receiving terminals-D Aerial View from Proposed SES LNG Receiving Facility Site to Downtown Long Beach [White line is 2 to be potential targets for terrorism. Mitsubishi has proposed the development of an LNG receiving facility

Wang, Hai

449

Two-dimensional model of the air flow and temperature distribution in a cavity-type heat receiver of a solar stirling engine  

SciTech Connect

A theoretical study on the air flow and temperature in the heat receiver, affected by free convection, of a Stirling Engine for a Dish/Stirling Engine Power System is presented. The standard {kappa}-{epsilon} turbulence model for the fluid flow has been used and the boundary conditions employed were obtained using a second level mathematical model of the Stirling Engine working cycle. Physical models for the distribution of the solar insolation from the Concentrator on the bottom and side walls of the cavity-type heat receiver have been taken into account. The numerical results show that most of the heat losses in the receiver are due to re-radiation from the cavity and conduction through the walls of the cavity. It is in the region of the boundary of the input window of the heat receiver where there is a sensible reduction in the temperature in the shell of the heat exchangers and this is due to the free convection of the air. Further, the numerical results show that convective heat losses increase with decreasing tilt angle.

Makhkamov, K.K.; Ingham, D.B.

1999-11-01T23:59:59.000Z

450

Steam System Efficiency Optimized After J.R. Simplot Fertilizer Plant Receives Energy Assessment  

SciTech Connect

This case study describes how the J.R. Simplot company's Don Plant in Pocatello, Idaho, achieved annual savings of $335,000 and 75,000 MMBtu, with a simple payback of 6.5 months, after receiving a DOE Save Energy Now energy assessment.

2008-07-01T23:59:59.000Z

451

FPGA Implementation of a Message-Passing OFDM Receiver for Impulsive Noise Channels  

E-Print Network (OSTI)

) converting an AMP OFDM PLC receiver to using only fixed-point data and arithmetic, and (iii) mapping and transmission lines designed for electrical power delivery. These signals are sub- ject to strong impulses and transient disturbances caused by the multitude of switching devices connected to the power grid. Methods

Evans, Brian L.

452

Biotechnology Letters Vol 12 No 3 235-240 (1990) Received 25th January  

E-Print Network (OSTI)

Biotechnology Letters Vol 12 No 3 235-240 (1990) Received 25th January ANAEROBIC DIGESTION of processed municipal solid waste (MSW) to methane. The anaerobic digestion consortium was introduced to highM, and a biogas composition of 55%-60% methane. INTRODUCTION Economic evaluations of anaerobic digestion

California at Riverside, University of

453

System- and circuit-level optimization of PLL designs for DVB-T/H receivers  

Science Conference Proceedings (OSTI)

This article proposes a framework for the optimization of voltage-controlled oscillator (VCO) designs in frequency synthesizers for digital video broadcasting --- terrestrial/handheld (DVB-T/H) receivers. Linear time-invariant phase-domain model of a ... Keywords: Adjacent channel interference, DVB-H, DVB-T, Inter-carrier interference, PLL, Phase noise, VCO

Nikolay N. Tchamov; Ville Syrjälä; Jukka Rinne; Mikko Valkama; Yaning Zou; Markku Renfors

2012-10-01T23:59:59.000Z

454

A real-time food safety management system for receiving operations in distribution centers  

Science Conference Proceedings (OSTI)

Food safety plan is being promoted in the food industry by the Hong Kong Government as a preliminary quality control tool. However, it appears to be a challenging task for Distribution Centers (DC) that handles food inventory since most of them are lack ... Keywords: Case-Based Reasoning, Food safety, Operating procedures, RFID, Receiving operations

S. I. Lao; K. L. Choy; G. T. S. Ho; Y. C. Tsim; T. C. Poon; C. K. Cheng

2012-02-01T23:59:59.000Z

455

Linearizer for pulse-shaping of received pulse in ultra-wideband radio systems  

Science Conference Proceedings (OSTI)

This paper presents a novel concept of pulse-shaping in an ultra-wide band radio system. Instead of attempting to design an antenna with flat group delay, the emphasis has been shifted to the signal processing aspect of pulse shaping. The received pulse ... Keywords: Group delay, Linearizer, Pulse shaping, Radar, Radio systems, Ultra-wideband

Ajay K. Singh; Pradeep Kumar; G. Singh; T. Chakravarty

2010-03-01T23:59:59.000Z

456

Design verification and performance evaluation of an enhanced wideband CDMA receiver using channel measurements  

Science Conference Proceedings (OSTI)

The spatio-temporal array receiver (STAR) decomposes generic wideband CDMA channel responses across various parameter dimensions (e.g., time delays, multipath components, etc.) and extracts the associated time-varying parameters (i.e., analysis) before ... Keywords: analysis/synthesis, channel measurements, design verification, dynamic channel characterization, performance evaluation, wideband CDMA

Karim Cheikhrouhou; Sofiéne Affes; Ahmed Elderini; Besma Smida; Paul Mermelstein; Belhassen Sultana; Venkatesh Sampath

2005-01-01T23:59:59.000Z

457

Use of solar generators in Africa for broadcasting equipment. [For powering educational tv receivers  

SciTech Connect

In Africa, solar cells were used for the first time in 1968 to provide power supply for the TV receivers in Niger. In that country, school television programs are essentially devised for the schools located in regions not provided with power mains. The transmissions are received by the means of TV sets that are especially devised to operate under warm and wet weather conditions. These receivers, model CATEL CI 17, are equipped with 61-cm screens, and are completely solid-state. They can be powered by a d.c. power supply, between 30 and 36 V. Their consumption, extremely modest, ranges around 32 W. The power supply for these receivers had, at the beginning, been provided by high-capacity alkaline electrolyte cells. In order to secure a more practical and less expensive source of energy, an experimental solar cell was installed in 1968. Following a satisfactory operation of this experimental solar cell, a careful study was conducted, after which some twenty installations were set up, using silicon cells and lead-acid batteries. A description of the installations is presented; and maintenance, reliability, and cost of the installations are discussed. (WHK)

Polgar, S.

1977-01-01T23:59:59.000Z

458

Determining the orientation of marine CSEM receivers using orthogonal Procrustes rotation analysis  

E-Print Network (OSTI)

Determining the orientation of marine CSEM receivers using orthogonal Procrustes rotation analysis surveys can have unknown orientations because of the unavailability of compass and tilt recordings. In such situ- ations, only the orientation-independent parameters derived from the measured CSEM field vector

Key, Kerry

459

Flux Distribution of a Single-Axis Tracking Parabolic Trough Array with Photovoltaic Receiver  

E-Print Network (OSTI)

Flux Distribution of a Single-Axis Tracking Parabolic Trough Array with Photovoltaic Receiver G 0200 Australia E-mail: gregory.burgess@anu.edu.au Abstract Single-axis tracking parabolic troughs Long arrays of single-axis tracking parabolic troughs with a fluid filled absorber are a well

460

An IEEE 802.11a/g/p OFDM receiver for GNU radio  

Science Conference Proceedings (OSTI)

Experimental research on wireless communication protocols frequently requires full access to all protocol layers, down to and including the physical layer. Software Defined Radio (SDR) hardware platforms, together with real-time signal processing frameworks, ... Keywords: gnu radio, ieee 802.11a/g/p, ofdm receiver, sdr

Bastian Bloessl, Michele Segata, Christoph Sommer, Falko Dressler

2013-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "received increased attention" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Measurement of Hydrogen Purge Rates in Parabolic Trough Receiver Tubes: Preprint  

SciTech Connect

The purpose of this research is to investigate and develop methods to remove hydrogen centrally from commercial parabolic trough power plants. A mathematical model was developed that tracks the generation and transport of hydrogen within an operating plant. Modeling results predicted the steady-state partial pressure of hydrogen within the receiver annuli to be ~1 torr. This result agrees with measured values for the hydrogen partial pressure. The model also predicted the rate at which hydrogen must be actively removed from the expansion tank to reduce the partial pressure of hydrogen within the receiver annuli to less than 0.001 torr. Based on these results, mitigation strategies implemented at operating parabolic trough power plants can reduce hydrogen partial pressure to acceptable levels. Transient modeling predicted the time required to reduce the hydrogen partial pressures within receiver annuli to acceptable levels. The times were estimated as a function of bellows temperature, getter quantity, and getter temperature. This work also includes an experimental effort that will determine the time required to purge hydrogen from a receiver annulus with no getter.

Glatzmaier, G. C.

2010-10-01T23:59:59.000Z

462

Development of an integrated heat pipe-thermal storage system for a solar receiver  

SciTech Connect

The Organic Rankine Cycle (ORC) Solar Dynamic Power System (SDPS) is one of the candidates for Space Station prime power application. In the low earth orbit of the Space Station approximately 34 minutes of the 94-minute orbital period is spent in eclipse with no solar energy input to the power system. For this period the SDPS will use thermal energy storage (TES) material to provide a constant power output. Sundstrand Corporation is developing a ORC-SDPS candidate for the Space Station that uses toluene as the organic fluid and LiOH as the TES material. An integrated heat-pipe thermal storage receiver system is being developed as part of the ORC-SDPS solar receiver. This system incorporates potassium heat pipe elements to absorb and transfer the solar energy within the receiver cavity. The heat pipes contain the TES canisters within the potassium vapor space with the toluene heater tube used as the condenser region of the heat pipe. During the insolation period of the earth orbit, solar energy is delivered to the heat pipe in the ORC-SDPS receiver cavity. The heat pipe transforms the non-uniform solar flux incident in the heat pipe surface within the receiver cavity to an essentially uniform flux at the potassium vapor condensation interface in the heat pipe. During solar insolation, part of the thermal energy is delivered to the heater tube and the balance is stored in the TES units. During the eclipse period of the orbit, the balance stored in the TES units is transferred by the potassium vapor to the toluene heater tube. 3 refs., 8 figs.

Keddy, E.S.; Sena, J.T.; Merrigan, M.A.; Heidenreich, G.; Johnson, S.

1987-01-01T23:59:59.000Z

463

Comments to the Feb 06 FRN received as of March 9, 2006  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

83 83 D Comments to the DOE Federal Register Notice of Inquiry (NOI) on Considerations for Transmission Congestion Study and Designation of National Interest Electric Transmission Corridors Received as of March 9, 2006 The following material comprises the comments received by DOE in response to the Federal Register Notice of Inquiry [FR Doc. E6-1394] issued on February 2, 2006. This notice solicited comment and information from the public concerning its plans for an electric transmission congestion study and possible designation of National Interest Electric Transmission Corridors (''NIETCs'') in a report based on the study pursuant to section 1221(a) of the Energy Policy Act of 2005. Through this Notice of Inquiry, DOE invited comment on draft criteria for gauging the

464

Pantex receives Perkins Award in recognition of its work with women-owned  

National Nuclear Security Administration (NNSA)

Perkins Award in recognition of its work with women-owned Perkins Award in recognition of its work with women-owned small businesses | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > Pantex receives Perkins Award in recognition of ... Pantex receives Perkins Award in recognition of its work with women-owned small businesses

465

Property types eligible to receive a 1-100 ENERGY STAR score | ENERGY STAR  

NLE Websites -- All DOE Office Websites (Extended Search)

Identify your property type Identify your property type » Property types eligible to receive a 1-100 ENERGY STAR score Secondary menu About us Press room Contact Us Portfolio Manager Login Facility owners and managers Existing buildings Commercial new construction Industrial energy management Small business Service providers Service and product providers Verify applications for ENERGY STAR certification Design commercial buildings Energy efficiency program administrators Commercial and industrial program sponsors Associations State and local governments Federal agencies Tools and resources Training In this section Learn the benefits Get started Use Portfolio Manager The new ENERGY STAR Portfolio Manager How Portfolio Manager helps you save The benchmarking starter kit Identify your property type Property types eligible to receive a 1-100 ENERGY STAR score

466

Central Receiver Solar Thermal Power System, Phase 1. CDRL Item 10. Final technical progress report  

DOE Green Energy (OSTI)

Results of analysis and design efforts by McDonnell Douglas Astronautics Company (MDAC), Rocketdyne, Stearns-Roger, Inc., Sheldahl, Inc., and the University of Houston between 1 July 1975 and 30 June 1977 are summarized. This is the Final Technical Progress Report published on the Phase 1 Central Receiver Solar Thermal Power System contract. Historical summaries and final selection of 10-MWe pilot plant and 100-MWe commercial systems are presented, with emphasis on the collector field characteristics, overall system performance, selection of steam/feedwater operating conditions, and rationale for system and subsystem selection. The commercial and pilot plant designs, as well as the subsystem research experiment activities for the collector, receiver, and thermal storage subsystems are presented, including a historical summary, design summary, and a description of the overall SRE test program and major test results for each of the subsystems.

Hallet, Jr., R. W.; Gervais, R. L.

1978-05-01T23:59:59.000Z

467

Tracking formulas and strategies for a receiver oriented dual-axis tracking toroidal heliostat  

SciTech Connect

A 4 m x 4 m toroidal heliostat with receiver oriented dual-axis tracking, also called spinning-elevation tracking, was developed as an auxiliary heat source for a hydrogen production system. A series of spinning-elevation tracking formulas have been derived for this heliostat. This included basic tracking formulas, a formula for the elevation angle for heliostat with a mirror-pivot offset, and a more general formula for the biased elevation angle. This paper presents the new tracking formulas in detail and analyzes the accuracy of applying a simplifying approximation. The numerical results show these receiver oriented dual-axis tracking formula approximations are accurate to within 2.5 x 10{sup -6} m in image plane. Some practical tracking strategies are discussed briefly. Solar images from the toroidal heliostat at selected times are also presented. (author)

Guo, Minghuan; Wang, Zhifeng; Liang, Wenfeng; Zhang, Xiliang; Zang, Chuncheng [Key Laboratory of Solar Thermal Energy and Photovoltaic System of Chinese Academy of Sciences, Institute of Electrical Engineering, Beijing 100190 (China); Lu, Zhenwu; Wei, Xiudong [Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences (CAS), Jilin 130033 (China)

2010-06-15T23:59:59.000Z

468

APS, CNM, ANL to Receive $3M for Fuel Cell Research  

NLE Websites -- All DOE Office Websites (Extended Search)

APS, CNM, ANL to Receive $3M for Fuel Cell Research APS, CNM, ANL to Receive $3M for Fuel Cell Research The funding, from the U.S. Department of Energy's Office of Basic Energy Sciences, will be used to study the molecular basis of catalysis, with a particular interest in the oxygen reduction reaction in fuel cells. "We are looking to understand the behavior of oxygen in the low-temperature fuel cell cathodes," said Hoydoo You, leader of the group project. "The project builds on Argonne's scientific strengths, bringing collaboration between physicists and chemists, between theorists and experimentalists." The high-intensity X-rays from the Advanced Photon Source and nanoscale science at the Center for Nanoscale Materials are key enabling resources. The project includes researchers from Argonne's Materials Science,

469

Office of River Protection Women-Owned Small Business Contractor Receives  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

River Protection Women-Owned Small Business Contractor River Protection Women-Owned Small Business Contractor Receives One-Year Extension Office of River Protection Women-Owned Small Business Contractor Receives One-Year Extension December 19, 2012 - 10:33am Addthis Richland - - The Energy Department's Office of River Protection announced the contract for Advanced Technologies and Laboratories International Inc. (ATL) has been extended for a second one-year option. ATL, a women-owned small business, will continue to provide analytical services and testing work at the Hanford Site 222-S Laboratory through January 2, 2014. "ORP values ATL's performance and commitment to safety," said Ellen Mattlin, Tank Farm Programs Division Director. "DOE appreciates the technical and management capabilities demonstrated by the ATL workforce."

470

Schmahl, Kirz Receive Compton Award for Contributions to X-ray Microscopy  

NLE Websites -- All DOE Office Websites (Extended Search)

Schmahl, Kirz Received Compton Award for Contributions to X-ray Microscopy Schmahl, Kirz Received Compton Award for Contributions to X-ray Microscopy Image of Compton Award The Advanced Photon Source (APS) and APS Users Organization (APSUO) are very pleased to announce that the 2005 Arthur H. Compton Award was given to GĂĽnter Schmahl and Janos Kirz for pioneering and developing the field of x-ray microscopy using Fresnel zone plates. Because of their leadership over the last 30 years, x-ray microscopy has evolved into a powerful method for the study of nanoscale structures and phenomena in many areas of science. Their achievements have opened up productive research avenues in biology, polymers, electronic nanostructures, magnetic materials, meteoritics, and environmental sciences. " GĂĽnter Schmahl and Janos Kirz have created a

471

Comments to the Feb 06 FRN received after March 9, 2006  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

1 1 Comments to the DOE Federal Register Notice of Inquiry (NOI) on Considerations for Transmission Congestion Study and Designation of National Interest Electric Transmission Corridors Final Addendum - Additional Comments Received after March 9, 2006 The following material comprises the addendum to the comments received by DOE in response to the Federal Register Notice of Inquiry [FR Doc. E6-1394] issued on February 2, 2006. This notice solicited comment and information from the public concerning its plans for an electric transmission congestion study and possible designation of National Interest Electric Transmission Corridors (''NIETCs'') in a report based on the study pursuant to section 1221(a) of the Energy Policy Act of 2005. Through this Notice of Inquiry, DOE invited comment on

472

Solar receiver heliostat reflector having a linear drive and position information system  

DOE Patents (OSTI)

A heliostat for a solar receiver system comprises an improved drive and control system for the heliostat reflector assembly. The heliostat reflector assembly is controllably driven in a predetermined way by a light-weight drive system so as to be angularly adjustable in both elevation and azimuth to track the sun and efficiently continuously reflect the sun's rays to a focal zone, i.e., heat receiver, which forms part of a solar energy utilization system, such as a solar energy fueled electrical power generation system. The improved drive system includes linear stepping motors which comprise low weight, low cost, electronic pulse driven components. One embodiment comprises linear stepping motors controlled by a programmed, electronic microprocessor. Another embodiment comprises a tape driven system controlled by a position control magnetic tape.

Horton, Richard H. (Schenectady, NY)

1980-01-01T23:59:59.000Z

473

Solar Central Receiver Prototype Heliostat. Volume II. Phase II planning (preliminary)  

DOE Green Energy (OSTI)

A currently planned DOE program will develop and construct a 10 MW/sub e/ Pilot Plant to demonstrate the feasibility and operational characteristics of Solar Central Receiver Power Generation. The field of heliostats is a major element of the Solar Central Receiver Power Generation system. The primary objective of the program described is to establish and verify the manufacturability, performance, durability, and maintenance requirements of the commercial plant heliostat design. End products of the 16 month effort include: (1) design, fabrication, and test of heliostats; (2) preliminary designs of manufacturing, assembly, installation, and maintenance processes for quantity production; (3) detailed design of critical tooling or other special equipment for such processes; (4) refined cost estimates for heliostats and maintenance; and (5) an updated commercial plant heliostat preliminary design. The program management and control system is discussed. (WHK)

None

1978-06-01T23:59:59.000Z

474

Preliminary design of the Carrisa Plains solar central receiver power plant. Volume I. Executive summary  

DOE Green Energy (OSTI)

The design of the 30 MWe central receiver solar power plant to be located at Carrisa Plains, San Luis Obispo County, California, is summarized. The plant uses a vertical flat-panel (billboard) solar receiver located at the top of a tower to collect solar energy redirected by approximately 1900 heliostats located to the north of the tower. The solar energy is used to heat liquid sodium pumped from ground level from 610 to 1050/sup 0/F. The power conversion system is a non-reheat system, cost-effective at this size level, and designed for high-efficiency performance in an application requiring daily startup. Successful completion of this project will lead to power generation starting in 1986. This report also discusses plant performance, operations and maintenance, development, and facility cost estimate and economic analysis.

Not Available

1983-12-31T23:59:59.000Z

475

Mass transport, corrosion, plugging, and their reduction in solar dish/Stirling heat pipe receivers  

DOE Green Energy (OSTI)

Solar dish/Stirling systems using sodium heat pipe receivers are being developed by industry and government laboratories here and abroad. The unique demands of this application lead to heat pipe wicks with very large surface areas and complex three-dimensional flow patterns. These characteristics can enhance the mass transport and concentration of constituents of the wick material, resulting in wick corrosion and plugging. As the test times for heat pipe receivers lengthen, we are beginning to see these effects both indirectly, as they affect performance, and directly in post-test examinations. We are also beginning to develop corrective measures. In this paper, we report on our test experiences, our post-test examinations, and on our initial effort to ameliorate various problems.

Adkins, D.R.; Andraka, C.E.; Bradshaw, R.W.; Goods, S.H.; Moreno, J.B.; Moss, T.A.

1996-07-01T23:59:59.000Z

476

OVERVIEW OF THE ATACAMA COSMOLOGY TELESCOPE: RECEIVER, INSTRUMENTATION, AND TELESCOPE SYSTEMS  

SciTech Connect

The Atacama Cosmology Telescope was designed to measure small-scale anisotropies in the cosmic microwave background and detect galaxy clusters through the Sunyaev-Zel'dovich effect. The instrument is located on Cerro Toco in the Atacama Desert, at an altitude of 5190 m. A 6 m off-axis Gregorian telescope feeds a new type of cryogenic receiver, the Millimeter Bolometer Array Camera. The receiver features three 1000-element arrays of transition-edge sensor bolometers for observations at 148 GHz, 218 GHz, and 277 GHz. Each detector array is fed by free space millimeter-wave optics. Each frequency band has a field of view of approximately 22' x 26'. The telescope was commissioned in 2007 and has completed its third year of operations. We discuss the major components of the telescope, camera, and related systems, and summarize the instrument performance.

Swetz, D. S.; Devlin, M. J.; Dicker, S. R. [Department of Physics and Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia, PA 19104 (United States); Ade, P. A. R. [School of Physics and Astronomy, Cardiff University, The Parade, Cardiff, Wales CF24 3AA (United Kingdom); Amiri, M.; Battistelli, E. S.; Burger, B.; Halpern, M.; Hasselfield, M. [Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z4 (Canada); Appel, J. W.; Essinger-Hileman, T.; Fisher, R. P.; Fowler, J. W.; Hincks, A. D.; Jarosik, N. [Joseph Henry Laboratories of Physics, Jadwin Hall, Princeton University, Princeton, NJ 08544 (United States); Chervenak, J. [Code 553/665, NASA/Goddard Space Flight Center, Greenbelt, MD 20771 (United States); Doriese, W. B.; Hilton, G. C.; Irwin, K. D. [NIST Quantum Devices Group, 325 Broadway Mailcode 817.03, Boulder, CO 80305 (United States); Duenner, R. [Departamento de Astronomia y Astrofisica, Facultad de Fisica, PontificIa Universidad Catolica, Casilla 306, Santiago 22 (Chile)

2011-06-01T23:59:59.000Z

477

Waste Receiving and Processing (WRAP) Facility Final Safety Analysis Report (FSAR)  

Science Conference Proceedings (OSTI)

The Waste Receiving and Processing Facility (WRAP), 2336W Building, on the Hanford Site is designed to receive, confirm, repackage, certify, treat, store, and ship contact-handled transuranic and low-level radioactive waste from past and present U.S. Department of Energy activities. The WRAP facility is comprised of three buildings: 2336W, the main processing facility (also referred to generically as WRAP); 2740W, an administrative support building; and 2620W, a maintenance support building. The support buildings are subject to the normal hazards associated with industrial buildings (no radiological materials are handled) and are not part of this analysis except as they are impacted by operations in the processing building, 2336W. WRAP is designed to provide safer, more efficient methods of handling the waste than currently exist on the Hanford Site and contributes to the achievement of as low as reasonably achievable goals for Hanford Site waste management.

TOMASZEWSKI, T.A.

2000-04-25T23:59:59.000Z

478

10 MWe Solar Thermal Central Receiver Pilot Plant total capital cost  

DOE Green Energy (OSTI)

A detailed breakdown of the capital cost of the 10 MWe Solar Thermal Central Receiver Pilot Plant located near Barstow, California is presented. The total capital requirements of the pilot plant are given in four cost breakdown structures: (1) project costs (research and development, design, factory, construction, and start-up); (2) plant system costs (land, structures and improvements, collector system, receiver system, thermal transport system, thermal storage system, turbine-generator plant system, electrical plant system, miscellaneous plant equipment, and plant level); (3) elements of work costs (sitework/earthwork, concrete work, metal work, architectural work, process equipment, piping and electrical work); and (4) recurring and non-recurring costs. For all four structures, the total capital cost is the same ($141,200,000); however, the allocation of costs within each structure is different. These cost breakdown structures have been correlated to show the interaction and the assignment of costs for specific areas.

Norris, H.F. Jr.

1985-02-01T23:59:59.000Z

479

NETL: News Release - Minnesota Company to Receive $36 Million to Construct  

NLE Websites -- All DOE Office Websites (Extended Search)

6, 2004 6, 2004 Minnesota Company to Receive $36 Million to Construct Clean Coal Plant Gasification Project Expected to Create Around 1,150 Construction and High-Tech Jobs DULUTH, MN - Secretary of Energy Spencer Abraham, joined by Minnesota Governor Tim Pawlenty and Senator Norm Coleman, today announced that a team effort led by Excelsior Energy Inc. of Minnetonka, Minn., has been selected by the Department of Energy to receive $36 million for the development of one of the cleanest coal-fired power plants in the world. MORE INFO Read Governor Pawlenty's remarks Read Senator Coleman's remarks Excelsior Energy and ConocoPhillips press release The award comes as part of President George W. Bush's 2002 Clean Coal Power Initiative (CCPI) to invest $2 billion over 10 years to advance

480

Central receiver solar thermal system. Phase 1, CDRL item 10. Second quarterly technical progress report  

DOE Green Energy (OSTI)

Results of analysis and design efforts are summarized. This is the second quarterly technical progress report published on the Phase 1 Central Receiver Solar Thermal Power System contract. The dominant activities during the reporting period have involved the detailed definition of the subsystem research experiments and the design of the test articles and test facilities. Summaries of these activities are presented. Design changes to the 10-MWe pilot plant preliminary design baseline which have occurred during the report period are also described.

Hallet, Jr., R. W.; Gervais, R. L.

1976-04-01T23:59:59.000Z

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481

Design, construction, and testing of the direct absorption receiver panel research experiment  

DOE Green Energy (OSTI)

A panel research experiment (PRE) was designed, built, and tested as a scaled-down model of a direct absorption receiver (DAR). The PRE is a 3-MW{sub t}DAR experiment that will allow flow testing with molten nitrate salt and provide a test bed for DAR testing with actual solar heating. In a solar central receiver system DAR, the heat absorbing fluid (a blackened molten nitrate salt) flows in a thin film down a vertical panel (rather than through tubes as in conventional receiver designs) and absorbs the concentrated solar flux directly. The ability of the flowing salt film to absorb flux directly. The ability of the flowing salt film to absorb the incident solar flux depends on the panel design, hydraulic and thermal fluid flow characteristics, and fluid blackener properties. Testing of the PRE is being conducted to demonstrate the engineering feasibility of the DAR concept. The DAR concept is being investigated because it offers numerous potential performance and economic advantages for production of electricity when compared to other solar receiver designs. The PRE utilized a 1-m wide by 6-m long absorber panel. The salt flow tests are being used to investigate component performance, panel deformations, and fluid stability. Salt flow testing has demonstrated that all the DAR components work as designed and that there are fluid stability issues that need to be addressed. Future solar testing will include steady-state and transient experiments, thermal loss measurements, responses to severe flux and temperature gradients and determination of peak flux capability, and optimized operation. In this paper, we describe the design, construction, and some preliminary flow test results of the Panel Research Experiment. 11 refs., 8 figs., 2 tabs.

Chavez, J.M.; Rush, E.E.; Matthews, C.W.; Stomp, J.M.; Imboden, J.; Dunkin, S.

1990-01-01T23:59:59.000Z

482

Line focus solar thermal central receiver research study. Final report, April 30, 1977-March 30, 1979  

DOE Green Energy (OSTI)

The results of a study to examine the line focus central receiver alternative for solar thermal generation of electric power on a commercial scale are presented. The baseline concept consists of the following elements: (1) a solar collector (heliostat) whose geometry is the equivalent of a focused parabolic cylinder. The heliostat reflecting surface is composed of an array of flexible rectangular mirror panels supported along their long edges by a framework which rotates about an axis parallel to the ground plane. The mirror panels in one section (18.3 meters by 3.05 meters (60 feet by 10 feet)) are defocused in unison by a simple mechanism under computer control to achieve the required curvature. Two sections (110 meters/sup 2/(591 feet/sup 2/)) are controlled and driven in elevation by one control/drive unit. (2) A linear cavity receiver, composed of 61-meter (200-foot) sections supported by towers at an elevation of 61 meters (200 feet). Each section receives feedwater and produces turbine-rated steam. The cavity is an open cylinder 1.83 meters (6 feet) in inside diameter, with a 1.22 meter (4 foot) aperture oriented at 45 degrees to the collector field. (3) Heliostat control, consisting of a local controller at each heliostat module which communicates with a master control computer to perform elevation tracking and focal length adjustment. The control logic is open-loop, with sun position computer by the master computer with an algorithm. Image sensors, mounted above and below the receiver aperture, are used to monitor the collector field and provide feedback to the master computer for detection of misaligned heliostats. (WHK)

Di Canio, D.G.; Treytl, W.J.; Jur, F.A.; Watson, C.D.

1979-04-01T23:59:59.000Z

483

Heat Transfer Analysis and Modeling of a Parabolic Trough Solar Receiver Implemented in Engineering Equation Solver  

DOE Green Energy (OSTI)

This report describes the development, validation, and use of a heat transfer model implemented in Engineering Equation Solver. The model determines the performance of a parabolic trough solar collector's linear receiver, also called a heat collector element. All heat transfer and thermodynamic equations, optical properties, and parameters used in the model are discussed. The modeling assumptions and limitations are also discussed, along with recommendations for model improvement.

Forristall, R.

2003-10-01T23:59:59.000Z

484

Waste Receiving and Processing Facility Module 1 Data Management System Software Requirements Specification  

Science Conference Proceedings (OSTI)

This document provides the software requirements for Waste Receiving and Processing (WRAP) Module 1 Data Management System (DMS). The DMS is one of the plant computer systems for the new WRAP 1 facility (Project W-026). The DMS will collect, store and report data required to certify the low level waste (LLW) and transuranic (TRU) waste items processed at WRAP 1 as acceptable for shipment, storage, or disposal.

Brann, E.C. II

1994-09-09T23:59:59.000Z

485

RRI-GBT MULTI-BAND RECEIVER: MOTIVATION, DESIGN, AND DEVELOPMENT  

SciTech Connect

We report the design and development of a self-contained multi-band receiver (MBR) system, intended for use with a single large aperture to facilitate sensitive and high time-resolution observations simultaneously in 10 discrete frequency bands sampling a wide spectral span (100-1500 MHz) in a nearly log-periodic fashion. The development of this system was primarily motivated by need for tomographic studies of pulsar polar emission regions. Although the system design is optimized for the primary goal, it is also suited for several other interesting astronomical investigations. The system consists of a dual-polarization multi-band feed (with discrete responses corresponding to the 10 bands pre-selected as relatively radio frequency interference free), a common wide-band radio frequency front-end, and independent back-end receiver chains for the 10 individual sub-bands. The raw voltage time sequences corresponding to 16 MHz bandwidth each for the two linear polarization channels and the 10 bands are recorded at the Nyquist rate simultaneously. We present the preliminary results from the tests and pulsar observations carried out with the Robert C. Byrd Green Bank Telescope using this receiver. The system performance implied by these results and possible improvements are also briefly discussed.

Maan, Yogesh; Deshpande, Avinash A.; Chandrashekar, Vinutha; Chennamangalam, Jayanth; Rao, K. B. Raghavendra; Somashekar, R.; Ezhilarasi, M. S.; Sujatha, S.; Kasturi, S.; Sandhya, P.; Duraichelvan, R.; Amiri, Shahram; Aswathappa, H. A.; Sarabagopalan, G.; Ananda, H. M. [Raman Research Institute, Bangalore (India); Anderson, Gary; Bauserman, Jonah; Beaudet, Carla; Bloss, Marty [National Radio Astronomy Observatory, P.O. Box 2, Green Bank, WV (United States); Barve, Indrajit V. [Indian Institute of Astrophysics, Bangalore (India); and others

2013-01-15T23:59:59.000Z

486

Materials technology assessment of high-temperature solar receivers for fuels and chemicals production  

DOE Green Energy (OSTI)

Current interest in using solar thermal energy to produce fuels and chemicals has prompted an assessment of materials technology for five proposed designs of solar receivers. The principal process of interest is water splitting. Reaction schemes considered involve the high-temperature decomposition of sulfuric acid, and silicon carbide is the structural ceramic material usually considered most resistant to the conditions of this reaction. Hence we have assessed the fabricability of the designs from SiC for that reaction system, even though most designs envision use with air, helium, or nitrogen as a heat transfer medium. Honeycomb and hemispherical dome receivers have been fabricated from SiC. A receiver using planar coiled tubes has been fabricated from cordierite but not from SiC. Fabrication has not been demonstrated for helical coil and long tube designs. The last three of these should be fabricable with up to two years development. All lack the ultimate test: operational experience. The need for relable seals is common to all designs. Metallic gaskets are subject to corrosion, and ceramic and mechanical seals have not been demonstrated for the anticipated thermal cycling.

Tiegs, T.N.