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1

DOE/EA-1193: Environmental Assessment for the Atmospheric Radiation Measurement (ARM) Program North Slope of Alaska and Adjacent Artic Ocean Cloud and Radiation Testbed (CART) Site (February 1997)  

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

u. S. DEPARTMENT OF ENERGY u. S. DEPARTMENT OF ENERGY FINDING OF NO SIGNIFICANT IMPACT FINAL ENVIRONMENTAL ASSESSMENT - The United States Department of Energy (DOE) has prepared an environmental assessment (EA) for the Atmospheric Radiation Measurement Cloud and Radiation Testbed (ARM/CART), North Slope of Alaska and Adjacent Arctic Ocean. The purpose of the ARM/CART program is to collect and analyze atmospheric data for the development and validation of global climate change models. The program involves construction of several small facilities and operation of sensing equipment. The EA analyzes the impacts on land use, tundra, air quality, cultura.l resources, socioeconomics, and wildlife. Separate studies (summarized in the EA) were also conducted to ensure that the operation of the facilities would not

2

Testbed Description  

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

Testbed Results Current Testbed Research Proposal Process Terms and Conditions Dark Fiber Testbed Performance (perfSONAR) Software & Tools Development Partnerships...

3

Integrated Study of MFRSR-derived Parameters of Atmospheric Aerosols and Trace Gases Over the ARM CART Site Extended Facili...  

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

Integrated Study of MFRSR-Derived Parameters of Integrated Study of MFRSR-Derived Parameters of Atmospheric Aerosols and Trace Gases Over the ARM CART Site Extended Facilities - Comparison with Satellite and Other Ground-Based Measurements M. D. Alexandrov and B. Cairns Columbia University National Aeronautics and Space Administration Goddard Institute for Space Studies New York, New York A. A. Lacis and B. E. Carlson National Aeronautics and Space Administration Goddard Institute for Space Studies New York, New York Comparison of SGP MFRSR Network Aerosol Retrievals with MODIS Aerosol Product The network of Multi-filter Rotating Shadowband Radiometers (MFRSRs) at the Atmospheric Radiation Measurement (ARM) Program Cloud and Radiation Testbed (CART) site consists of 21 instrument sites

4

Remotely Controlled, Continuous Observations of Infrared Radiance with the CSIRO/ARM Mark II Radiometer at the SGP CART Site  

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

Remotely Controlled, Continuous Observations of Remotely Controlled, Continuous Observations of Infrared Radiance with the CSIRO/ARM Mark II Radiometer at the SGP CART Site C. M. R. Platt and R. T. Austin Department of Atmospheric Science Colorado State University Fort Collins, Colorado C. M. R. Platt and J. A. Bennett Commonwealth Scientific and Industrial Research Organization Atmospheric Research Aspendale, Victoria, Australia Abstract The Commonwealth Scientific and Industrial Research Organization/Atmospheric Radiation Measurement (CSIRO/ARM) Program Mark II infrared (IR) filter radiometer operated continuously at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site for a period of five weeks. Data of high quality were obtained by remote operation and data transfer with no evidence of spurious

5

Testbed: Published Results  

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

Testbed Results Current Testbed Research Proposal Process Terms and Conditions Dark Fiber Testbed Performance (perfSONAR) Software & Tools Development Partnerships...

6

Current Testbed Research  

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

Current Testbed Research Previous Testbed Research Proposal Process Terms and Conditions Dark Fiber Testbed Performance (perfSONAR) Software & Tools Development Partnerships...

7

100G Testbed  

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

Testbed Results Current Testbed Research Proposal Process Terms and Conditions Dark Fiber Testbed Performance (perfSONAR) Software & Tools Development Partnerships...

8

Experimental Network Testbeds  

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

100G Testbed Dark Fiber Testbed Performance (perfSONAR) Software & Tools Development Partnerships Publications Science Engagement Move your data Programs & Workshops Science...

9

Current Testbed Research  

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

Research Research R&D Overview 100G Testbed Testbed Description Testbed Results Current Testbed Research Previous Testbed Research Proposal Process Terms and Conditions Virtual Circuits (OSCARS) Performance (perfSONAR) Tools Development Green Networking Authentication & Trust Federation (ATF) Partnerships Contact Us Technical Assistance: 1 800-33-ESnet (Inside the US) 1 800-333-7638 (Inside the US) 1 510-486-7600 (Globally) 1 510-486-7607 (Globally) Report Network Problems: trouble@es.net Provide Web Site Feedback: info@es.net Current Testbed Research The following projects are currently using the ESnet Testbed. Previous testbed projects descriptions are located here. New Projects, Summer 2013 Project Name/PI End-system affinities and the performance of high-speed flows, Dipak Ghosal (UC Davis)

10

Dark Fiber Testbed  

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

US) 1 510-486-7600 (Globally) 1 510-486-7607 (Globally) Report Network Problems: trouble@es.net Provide Web Site Feedback: info@es.net Dark Fiber Testbed Info on dark fiber testbed...

11

Tropical Western Pacific CART Site  

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

climate: the Tropical Western Pacific (TWP) CART site, along the equator in the western Pacific Ocean. The TWP locale lies between 10 degrees North latitude and 10 degrees South...

12

Microsoft Word - SGP CART Safety Orientation.doc  

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

4-002 4-002 SGP CART SAFETY ORIENTATION Page 1 of 1 SGP CART SAFETY ORIENTATION Revised 10/14/04 1 INTRODUCTION Welcome to the Atmospheric Radiation Measurement Program's Southern Great Plains (SGP) Climate Research Facility. Argonne National Laboratory (ANL) manages this U.S. Department of Energy (DOE) site. It is very important that all visitors comply with all DOE and ANL safety requirements, as well as those of the Occupational Safety and Health Administration (OSHA), the National Fire Protection Association, and the U.S. Environmental Protection Agency, and with other requirements as applicable. 2 VISITOR SIGN-IN AND SIGN-OUT All visitors to the SGP CART site are required to complete a Site Access Request (SAR) form before visiting the site.

13

Optical Network Testbeds Workshop  

SciTech Connect

This is the summary report of the third annual Optical Networking Testbed Workshop (ONT3), which brought together leading members of the international advanced research community to address major challenges in creating next generation communication services and technologies. Networking research and development (R&D) communities throughout the world continue to discover new methods and technologies that are enabling breakthroughs in advanced communications. These discoveries are keystones for building the foundation of the future economy, which requires the sophisticated management of extremely large qualities of digital information through high performance communications. This innovation is made possible by basic research and experiments within laboratories and on specialized testbeds. Initial network research and development initiatives are driven by diverse motives, including attempts to solve existing complex problems, the desire to create powerful new technologies that do not exist using traditional methods, and the need to create tools to address specific challenges, including those mandated by large scale science or government agency mission agendas. Many new discoveries related to communications technologies transition to wide-spread deployment through standards organizations and commercialization. These transition paths allow for new communications capabilities that drive many sectors of the digital economy. In the last few years, networking R&D has increasingly focused on advancing multiple new capabilities enabled by next generation optical networking. Both US Federal networking R&D and other national R&D initiatives, such as those organized by the National Institute of Information and Communications Technology (NICT) of Japan are creating optical networking technologies that allow for new, powerful communication services. Among the most promising services are those based on new types of multi-service or hybrid networks, which use new optical networking technologies. Several years ago, when many of these optical networking research topics were first being investigated, they were the subject of controversial debate. The new techniques challenged many long-held concepts related to architecture and technology. However, today all major networking organizations are transitioning toward infrastructure that incorporates these new concepts. This progress has been assisted through the series of Optical Networking Testbed Workshops (ONT). The first (ONT1) outlined a general framework of key issues and topics and developed a series of recommendations (www.nren.nasa.gov/workshop7). The second (ONT2) developed a common vision of optical network technologies, services, infrastructure, and organizations (www.nren.nasa.gov/workshop8). Processes that allow for a common vision encourage widespread deployment of these types of resources among advanced networking communities. Also, such a shared vision enables key concepts and technologies to migrate from basic research testbeds to wider networking communities. The ONT-3 workshop built on these earlier activities by expanding discussion to include additional considerations of the international interoperability and of greater impact of optical networking technology on networking in general. In accordance with this recognition, the workshop confirmed that future-oriented research and development is indispensable to fundamentally change the current Internet architecture to create a global network incorporating completely new concepts. The workshop also recognized that the first priority to allow for this progress is basic research and development, including international collaborative activities, which are important for the global realization of interoperability of a new generation architecture.

Joe Mambretti

2007-06-01T23:59:59.000Z

14

RAFT Regional Algal Feedstock Testbed  

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

Breakout Session 3B—Integration of Supply Chains III: Algal Biofuels Strategy RAFT Regional Algal Feedstock Testbed Kimberly Ogden, Professor, University of Arizona, Engineering Technical Lead, National Alliance for Advanced Biofuels and Bioproducts

15

Testbed model and data assimilation for ARM  

SciTech Connect

The objectives of this contract are to further develop and test the ALFA (AER Local Forecast and Assimilation) model originally designed at AER for local weather prediction and apply it to three distinct but related purposes in connection with the Atmospheric Radiation Measurement (ARM) program: (a) to provide a testbed that simulates a global climate model in order to facilitate the development and testing of new cloud parametrizations and radiation models; (b) to assimilate the ARM data continuously at the scale of a climate model, using the adjoint method, thus providing the initial conditions and verification data for testing parameumtions; (c) to study the sensitivity of a radiation scheme to cloud parameters, again using the adjoint method, thus demonstrating the usefulness of the testbed model. The data assimilation will use a variational technique that minimizes the difference between the model results and the observation during the analysis period. The adjoint model is used to compute the gradient of a measure of the model errors with respect to nudging terms that are added to the equations to force the model output closer to the data. The radiation scheme that will be included in the basic ALFA model makes use of a gen two-stream approximation, and is designed for vertically inhonogeneous, multiple-scattering atmospheres. The sensitivity of this model to the definition of cloud parameters will be studied. The adjoint technique will also be used to compute the sensitivities. This project is designed to provide the Science Team members with the appropriate tools and modeling environment for proper testing and tuning of new radiation models and cloud parametrization schemes.

Louis, J.F.

1992-09-22T23:59:59.000Z

16

Testbeds for ubiquitous robotics: A survey  

Science Journals Connector (OSTI)

The growing interest in ubiquitous robotics has originated in the last years the development of a high variety of testbeds. This paper presents a survey on existing ubiquitous robotics testbeds comprising networked mobile robots and networks of distributed ... Keywords: Testbeds, Ubiquitous robotics, Wireless sensor network

Adrián Jiménez-González; Jose Ramiro Martinez-De Dios; Anibal Ollero

2013-12-01T23:59:59.000Z

17

Analysis of the Samus Collimeter Cart  

SciTech Connect

The SAMUS collimator cart is a support for shielding blocks and the vacuum assembly of the Tevatron beam tube as it passes through the D0 End Iron. It slides on linear bearings mounted in the SAMUS toroid as the End Iron moves in and out. There are two collimators designed for the D0 experiment, designated North and South, each identical except for the shimming of the tungsten center blocks, and thereby the relative position of the Tevatron tube. This report contains calculations of the stresses during installation as well as the installed configurations. To support the analysis of the installation case, loads were simulated on the cart held in a mock-up of the lifting fixture.

Bolan, P.J.; /Fermilab

1991-08-16T23:59:59.000Z

18

High-contrast imaging testbed  

SciTech Connect

Several high-contrast imaging systems are currently under construction to enable the detection of extra-solar planets. In order for these systems to achieve their objectives, however, there is considerable developmental work and testing which must take place. Given the need to perform these tests, a spatially-filtered Shack-Hartmann adaptive optics system has been assembled to evaluate new algorithms and hardware configurations which will be implemented in these future high-contrast imaging systems. In this article, construction and phase measurements of a membrane 'woofer' mirror are presented. In addition, results from closed-loop operation of the assembled testbed with static phase plates are presented. The testbed is currently being upgraded to enable operation at speeds approaching 500 hz and to enable studies of the interactions between the woofer and tweeter deformable mirrors.

Baker, K; Silva, D; Poyneer, L; Macintosh, B; Bauman, B; Palmer, D; Remington, T; Delgadillo-Lariz, M

2008-01-23T23:59:59.000Z

19

Sandia National Laboratories: National Rotor Testbed  

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

National Rotor Testbed (NRT) includes research to quantify the degree to which the blade design load distribution influences the rotor near- and mid-wake velocity deficits and...

20

Sandia National Laboratories: National Rotor Testbed Functional...  

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

"Definition of the National Rotor Testbed: An Aeroelastically Relevant Research-Scale Wind Turbine Rotor." Approximately 60 researchers from various institutions and countries...

Note: This page contains sample records for the topic "radiation testbed cart" 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

Controller Field Tests on the NREL CART2 Turbine  

SciTech Connect

This document presents the results of the field tests carried out on the CART2 turbine at NREL to validate individual pitch control and active tower damping.

Bossanyi, E.; Wright, A.; Fleming, P.

2010-12-01T23:59:59.000Z

22

X:\\ARM_19~1\\P317-334.WPD  

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

Radiation Testbed (CART) meas- urements produce a time series of zenith observations, but spatial averages are often the desired data product. One possible approach to deriving...

23

X:\\ARM_19~1\\P377-392.WPD  

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

(SGP) Cloud and Radiation Testbed (CART) site. This diurnal phenomenon governs the transport and convergence of low-level moisture into the region and often leads to the...

24

Final report for the project "Improving the understanding of surface-atmosphere radiative interactions by mapping surface reflectance over the ARM CART site" (award DE-FG02-02ER63351)  

SciTech Connect

Surface spectral reflectance (albedo) is a fundamental variable affecting the transfer of solar radiation and the Earth’s climate. It determines the proportion of solar energy absorbed by the surface and reflected back to the atmosphere. The International Panel on Climate Change (IPCC) identified surface albedo among key factors influencing climate radiative forcing. Accurate knowledge of surface reflective properties is important for advancing weather forecasting and climate change impact studies. It is also important for determining radiative impact and acceptable levels of greenhouse gases in the atmosphere, which makes this work strongly linked to major scientific objectives of the Climate Change Research Division (CCRD) and Atmospheric Radiation Measurement (ARM) Program. Most significant accomplishments of eth project are listed below. I) Surface albedo/BRDF datasets from 1995 to the end of 2004 have been produced. They were made available to the ARM community and other interested users through the CCRS public ftp site ftp://ftp.ccrs.nrcan.gc.ca/ad/CCRS_ARM/ and ARM IOP data archive under “PI data Trishchenko”. II) Surface albedo properties over the ARM SGP area have been described for 10-year period. Comparison with ECMWF data product showed some deficiencies in the ECMWF surface scheme, such as missing some seasonal variability and no dependence on sky-conditions which biases surface energy budget and has some influence of the diurnal cycle of upward radiation and atmospheric absorption. III) Four surface albedo Intensive Observation Period (IOP) Field Campaigns have been conducted for every season (August, 2002, May 2003, February 2004 and October 2004). Data have been prepared, documented and transferred to ARM IOP archive. Nine peer-reviewed journal papers and 26 conference papers have been published.

Alexander P. Trishchenko; Yi Luo; Konstantin V. Khlopenkov, William M. Park; Zhanqing Li; Maureen Cribb

2008-11-28T23:59:59.000Z

25

ANI-testbed-ESCC-Feb2011.pptx  

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

ANI Testbed Project Update ANI Testbed Project Update Brian Tierney ESnet Feb 2, 2011 Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Testbed Overview Progression * Start out as a tabletop testbed * Move to Long Island MAN when dark fiber is available * Extend to WAN when 100 Gbps available Funded as a 3 year project, but plan to continue longer Capabilities * Ability to support end-to-end networking, middleware and application experiments, including interoperability testing of multi- vendor 100 Gbps network components * Researchers get "root" access to all devices * Use Virtual Machine technology to support custom environments * Detailed monitoring so researchers will have access to all possible monitoring data 2/2/11 2

26

Current developments in DETER cybersecurity testbed technology  

E-Print Network (OSTI)

From its inception in 2004, the DETER testbed facility has provided effective, dedicated experimental resources and expertise to a broad range of academic, industrial and government researchers. Now, building on knowledge ...

Sollins, Karen R.

27

Design, deployment, and use of the DETER testbed  

Science Journals Connector (OSTI)

The DETER testbed provides infrastructure for conducting medium-scale repeatable experiments in computer security, especially experiments that involve malicious code. Built using Utah's EMULAB, the DETER testbed has been configured and extended to provide ...

Terry Benzel; Robert Braden; Dongho Kim; Clifford Neuman; Anthony Joseph; Keith Sklower; Ron Ostrenga; Stephen Schwab

2007-08-01T23:59:59.000Z

28

Sandia National Laboratories: National Algae Testbed Public-Private...  

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

National Algae Testbed Public-Private Partnership The National Algae Testbed Public-Private Partnership Kick-Off Meeting at Arizona State University On July 25, 2013, in Biofuels,...

29

Alternative Fuels Data Center: V Garofalo Carting Cleans up New York With  

Alternative Fuels and Advanced Vehicles Data Center (EERE)

V Garofalo Carting V Garofalo Carting Cleans up New York With Natural Gas Trucks to someone by E-mail Share Alternative Fuels Data Center: V Garofalo Carting Cleans up New York With Natural Gas Trucks on Facebook Tweet about Alternative Fuels Data Center: V Garofalo Carting Cleans up New York With Natural Gas Trucks on Twitter Bookmark Alternative Fuels Data Center: V Garofalo Carting Cleans up New York With Natural Gas Trucks on Google Bookmark Alternative Fuels Data Center: V Garofalo Carting Cleans up New York With Natural Gas Trucks on Delicious Rank Alternative Fuels Data Center: V Garofalo Carting Cleans up New York With Natural Gas Trucks on Digg Find More places to share Alternative Fuels Data Center: V Garofalo Carting Cleans up New York With Natural Gas Trucks on AddThis.com...

30

The rapid tooling testbed: a distributed  

E-Print Network (OSTI)

the manufacturing activity, and that little additional communication between these activities is necessary. UnderThe rapid tooling testbed: a distributed design-for- manufacturing system David W. Rosen Yong Chen Engineer at 3D Systems, Valencia, California, USA. Shiva Sambu is a Manufacturing Engineer at Align

Chen, Yong

31

La carte Crous, un porte-monnaie lectronique aux nombreux avantages  

E-Print Network (OSTI)

La carte Crous, un porte-monnaie électronique aux nombreux avantages : · moins de file d une carte bleue ou en espèces, · vous disposez d'un porte-monnaie électronique universel utilisable heures des repas. Votre carte d'étudiant peut également comporter le porte- monnaie Moneo. Prix

32

Simulation and test of a fuel cell hybrid golf cart  

Science Journals Connector (OSTI)

This paper establishes the simulation model of fuel cell hybrid golf cart (FCHGC), which applies the non-GUI mode of the Advanced Vehicle Simulator (ADVISOR) and the genetic algorithm (GA) to optimize it. Simulation of the objective function is composed ...

Jingming Liang, Qifei Jian

2014-01-01T23:59:59.000Z

33

EA-1193: Final Environmental Assessment | Department of Energy  

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

93: Final Environmental Assessment 93: Final Environmental Assessment EA-1193: Final Environmental Assessment Atmospheric Radiation Measurement (ARM) Program North Slope of Alaska and Adjacent Arctic Ocean Cloud and Radiation Testbed (CART) Site The United States Department of Energy (DOE) has prepared an environmental assessment (EA) for the Atmospheric Radiation Measurement Cloud and Radiation Testbed (ARM/CART), North Slope of Alaska and Adjacent Arctic Ocean. The EA analyzes the impacts on land use, tundra, air quality, cultural resources, socioeconomics, and wildlife. Environmental Assessment for the Atmospheric Radiation Measurement (ARM) Program North Slope of Alaska and Adjacent Arctic Ocean Cloud and Radiation Testbed (CART) Site, DOE/EA-1193 (February 1997) More Documents & Publications

34

Electric Drive and Advanced Battery and Components Testbed (EDAB...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

and Peer Evaluation Meeting vss033carlson2012o.pdf More Documents & Publications Electric Drive and Advanced Battery and Components Testbed (EDAB) Vehicle Technologies Office...

35

Electric Drive and Advanced Battery and Components Testbed (EDAB...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Review and Peer Evaluation vss033carlson2011o.pdf More Documents & Publications Electric Drive and Advanced Battery and Components Testbed (EDAB) Electric Drive and Advanced...

36

Sustainable Transport: from Bullock Carts to Bugatis: Reflections on Major  

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

Sustainable Transport: from Bullock Carts to Bugatis: Reflections on Major Sustainable Transport: from Bullock Carts to Bugatis: Reflections on Major Transport Issues North and South Speaker(s): Lee Schipper Date: August 16, 2001 - 12:00pm Location: Bldg. 90 Seminar Host/Point of Contact: Marcia Beck This talk reviews quantitative and qualitative trends in urban transportation and environment, focusing on developing countries. Reviewing recent efforts to look at transportation, the talk adopts a definition of "sustainable transportation" that includes economic and environmental sustainability as well as equity as key criteria. It is argued that governance sustainability is also important if policies and technologies are to reduce the main externalities from urban transport. An important identity is introduced to relate emissions to traffic, modal share, fuel

37

Characterization of Surface Albedo Over the ARM SGP CART and the NSA  

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

Characterization of Surface Albedo Characterization of Surface Albedo Over the ARM SGP CART and the NSA Z. Li and M. C. Cribb Earth System Science Interdisciplinary Center University of Maryland College Park, Maryland A. P. Trishchenko and Y. Luo Canada Centre for Remote Sensing Ottawa, Ontario, Canada Introduction Surface albedo is needed for satellite remote sensing of the surface radiation budget and for climate modelling. Determination of areal-mean surface albedo is challenging. Over the Southern Great Plains (SGP) site, a primary challenge lies in the inhomogeneity associated with different land cover types. Over the North Slope of Alaska (NSA) site, persistent cloud cover renders remote sensing of surface albedo difficult. We tackle both challenges following two different approaches. Over the SGP site, we

38

Testbed Federation: An Approach for Experimentation-Driven Research in  

E-Print Network (OSTI)

Testbed Federation: An Approach for Experimentation-Driven Research in Cognitive Radios 14900, Fax: +32 9 33 14899 r, Email:Ingrid.moerman@intec.ugent.be 3 Email testbeds devoted to a specific radio access technology, network topology or application. A "federation

Wichmann, Felix

39

Gemini Planet Imager Coronagraph Testbed Results  

SciTech Connect

The Gemini Planet Imager (GPI) is an extreme AO coronagraphic integral field unit YJHK spectrograph destined for first light on the 8m Gemini South telescope in 2011. GPI fields a 1500 channel AO system feeding an apodized pupil Lyot coronagraph, and a nIR non-common-path slow wavefront sensor. It targets detection and characterizion of relatively young (<2GYr), self luminous planets up to 10 million times as faint as their primary star. We present the coronagraph subsystem's in-lab performance, and describe the studies required to specify and fabricate the coronagraph. Coronagraphic pupil apodization is implemented with metallic half-tone screens on glass, and the focal plane occulters are deep reactive ion etched holes in optically polished silicon mirrors. Our JH testbed achieves H-band contrast below a million at separations above 5 resolution elements, without using an AO system. We present an overview of the coronagraphic masks and our testbed coronagraphic data. We also demonstrate the performance of an astrometric and photometric grid that enables coronagraphic astrometry relative to the primary star in every exposure, a proven technique that has yielded on-sky precision of the order of a milliarsecond.

Sivaranmakrishnan, A.; Carr, G.; Soummer, R.; Oppenheimer, B.R.; Mey, J.L.; Brenner, D.; Mandeville, C.W.; Zimmerman, N. Macintosh, B.A.; Graham, J.R.; Saddlemyer, L.; Bauman, B.; Carlotti, A.; Pueyo, L.; Tuthill, P.G.; Dorrer, C.; Roberts, R.; Greenbaum, A.

2010-12-08T23:59:59.000Z

40

UW-Madison MS-Cart/GIS. Geography Degree Plan The Student, Thesis Advisor and Sub-Area Counselor should sign below, indicating agreement about the  

E-Print Network (OSTI)

UW-Madison MS-Cart/GIS. Geography Degree Plan ­ Fall 2010 The Student, Thesis Advisor and Sub guarantee= _____semesters Cum GPA = _________ Started MS-Cart/GIS _____________ cum credits = ________ BA 370 (Intro Cart) __________________ Geography 377 (Intro GIS) __________________ Geography 378

Wisconsin at Madison, University of

Note: This page contains sample records for the topic "radiation testbed cart" 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

Biomechanical analysis of transporting loads with a large four-wheel cart  

E-Print Network (OSTI)

The purpose of this study was to compare the traditional large metal waste carts currently in use in industry to a plastic waste cart with the same load capacity. This was done through initial pull force studies using a dynamometer and biomechanical...

Abell, David Wayne

1997-01-01T23:59:59.000Z

42

Tools to foster a global federation of testbeds Jordan Augea,  

E-Print Network (OSTI)

Tools to foster a global federation of testbeds Jordan Aug´ea, , Thierry Parmentelatb , Nicolas: jordan.auge@lip6.fr (Jordan Aug´e), thierry.parmentelat@inria.fr (Thierry Parmentelat), nicolas

Paris-Sud XI, Université de

43

ATP3 Algae Testbed Public-Private Partnership  

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

Breakout Session 3B—Integration of Supply Chains III: Algal Biofuels Strategy ATP3 Algae Testbed Public-Private Partnership John A. McGowen, Director of Operations and Program, Arizona State University, AzCATI and ATP3

44

Towards Development of a Synthesized Database of Spatial and Temporal Surface Spectral Reflectivity Over the ARM SGP CART Area  

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

Towards Development of a Synthesized Database of Towards Development of a Synthesized Database of Spatial and Temporal Surface Spectral Reflectivity Over the ARM SGP CART Area A. P. Trishchenko, Y. Luo, R. Latifovic, W. Park, J. Cihlar, and B. Hwang Canada Centre for Remote Sensing Ottawa, Ontario, Canada Z. Li and M. C. Cribb University of Maryland, College Park, Maryland Introduction Surface albedo is a key variable determining the disposition of solar radiation between the surface and the atmosphere. Reliable mapping of surface albedo and improved understanding of radiation interactions at the surface are required for advancing weather forecasting and climate studies. The ground-based observations are limited to a handful of locations sparsely distributed in the South Great Plains (SGP). Frequently, they represent only small-scale features of surface reflective properties and

45

Clean Energy Markets: We've Got the Innovation and Deployment Cart and  

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

Clean Energy Markets: We've Got the Innovation and Deployment Cart Clean Energy Markets: We've Got the Innovation and Deployment Cart and Horse Backwards Clean Energy Markets: We've Got the Innovation and Deployment Cart and Horse Backwards October 19, 2011 - 12:27pm Addthis Clean Energy Markets: We've Got the Innovation and Deployment Cart and Horse Backwards Richard Kauffman Richard Kauffman Senior Advisor to the Secretary of Energy How can I participate? Join our LIVE video chat tomorrow! Email newmedia@hq.doe.gov; Tweeting your question to @energy with the hashtag #energymatters; or leaving a question for Kauffman at Facebook.com/energygov. Ed. note: This was cross-posted on Huffington Post. Energy.gov will be hosting a live video chat with Richard Kauffman this Thursday at 2 PM ET. China has become the world's largest producer of solar modules. But did

46

Clean Energy Markets: We've Got the Innovation and Deployment Cart and  

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

Energy Markets: We've Got the Innovation and Deployment Cart Energy Markets: We've Got the Innovation and Deployment Cart and Horse Backwards Clean Energy Markets: We've Got the Innovation and Deployment Cart and Horse Backwards October 19, 2011 - 12:27pm Addthis Clean Energy Markets: We've Got the Innovation and Deployment Cart and Horse Backwards Richard Kauffman Richard Kauffman Senior Advisor to the Secretary of Energy How can I participate? Join our LIVE video chat tomorrow! Email newmedia@hq.doe.gov; Tweeting your question to @energy with the hashtag #energymatters; or leaving a question for Kauffman at Facebook.com/energygov. Ed. note: This was cross-posted on Huffington Post. Energy.gov will be hosting a live video chat with Richard Kauffman this Thursday at 2 PM ET. China has become the world's largest producer of solar modules. But did

47

An adaptable, low cost test-bed for unmanned vehicle systems research.  

E-Print Network (OSTI)

?? An unmanned vehicle systems test-bed has been developed. The test-bed has been designed to accommodate hardware changes and various vehicle types and algorithms. The… (more)

Goppert, James M.

2011-01-01T23:59:59.000Z

48

E-Print Network 3.0 - airborne experimental test-bed Sample Search...  

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

experimental test-bed Search Powered by Explorit Topic List Advanced Search Sample search results for: airborne experimental test-bed Page: << < 1 2 3 4 5 > >> 1 National Airborne...

49

Coupling the core analysis program DeCART to the fuel performance application BISON  

SciTech Connect

The 3D neutron transport and core analysis program DeCART was coupled to the fuels performance application BISON to provide a higher fidelity tool for fuel performance simulation. This project is motivated by the desire to couple a high fidelity core analysis program (based on the method of characteristics) to a high fidelity fuel performance program, both of which can simulate 3D problems. DeCART provides sub-pin level resolution of the multigroup neutron flux, with resonance treatment, during burnup or a fast transient. BISON implicitly solves coupled thermomechanical equations for the fuel on a sub-millimeter level finite element mesh. A method was developed for mapping the fission rate density and fast neutron flux from DeCART to BISON. Multiple depletion cases were run with one-way data transfer from DeCART to BISON. The one-way data transfer of fission rate density is shown to agree with the fission rate density obtained from an internal Lassman-style model in BISON. One-way data transfer was also demonstrated in a 3D case in which azimuthal asymmetry was induced in the fission rate density profile of a fuel rod modeled in DeCART. Two-way data transfer was established by mapping the temperature distribution from BISON to DeCART. A Picard iterative algorithm was developed for the loose coupling with two-way data transfer. (authors)

Gleicher, F. N.; Spencer, B.; Novascone, S.; Williamson, R.; Martineau, R. C. [Idaho National Laboratory, 2525 N. Fremont Avenue, Idaho Falls, ID 83415 (United States); Rose, M.; Downar, T. J.; Collins, B. [Department of Nuclear Engineering and Radiological Sciences, University of Michigan, 2355 Bonisteel Blvd., Ann Arbor, MI 48105 (United States)

2013-07-01T23:59:59.000Z

50

A Hardware Testbed for Multi-UAV Collaborative Ground Convoy Protection in Dynamic Environments  

E-Print Network (OSTI)

A Hardware Testbed for Multi-UAV Collaborative Ground Convoy Protection in Dynamic Environments, we will present a hardware testbed for multi-UAV systems that bridges the gap between algorithm design and field deployment. The testbed allows for UAV coordination algorithms, that have been shown

Egerstedt, Magnus

51

WindTurbineGenerator Introduction of the Renewable Micro-Grid Test-Bed  

E-Print Network (OSTI)

Introduction of the Renewable Micro-Grid Test-Bed Dr. Wenxin Liu Smart Micro-grid and Renewable Technology University Topology of the Overall Experimental Platform Photo of the Micro-grid Test-bed Overview of the Micro-grid Test-Bed Cubicle #1: Main & PV Simulator PV Simulator: 3kW, 0~200V, 18A Unidirectional

Johnson, Eric E.

52

An Experimental Robotic Testbed for Accelerated Development of Ankle Prostheses  

E-Print Network (OSTI)

An Experimental Robotic Testbed for Accelerated Development of Ankle Prostheses Joshua M. Caputo systematic changes in high-level control law parameters. For example, we widely varied net ankle work (from] recently demonstrated the first robotic ankle to significantly reduce energy cost for amputees

Collins, Steven H.

53

A Production-grade Testbed for Experiment-driven Computer  

E-Print Network (OSTI)

A Production-grade Testbed for Experiment-driven Computer Science on HPC and Clouds http://www.grid and monitoring infrastructure Support for Big Data and Open Science Access high end hardware networks High a free account http://www.grid5000.fr/open-access 1200 nodes (8000 cores) in 10 sites 500+ users per year

Boyer, Edmond

54

Testbed model and data assimilation for ARM. Progress report No. 3, 1 September 1992--30 April 1993  

SciTech Connect

The ultimate objectives of this research are to further develop ALFA (AER Local Forecast and Assimilation) model originally designed at AER for local weather prediction and apply it to several related purposes in connection with the Atmospheric Radiation Measurement (ARM) program: (a) to provide a testbed that simulates a global climate model in order to facilitate the development and testing of new cloud parametrizations and radiation models; (b) to assimilate the ARM data continuously at the scale of a climate model, using the adjoint method, thus providing the initial conditions and verification data for testing parametrizations; (c) to study the sensitivity of a radiation scheme to cloud parameters, again using the adjoint method, thus demonstrating the usefulness of the testbed model. The data assimilation uses a variational technique that minimizes the difference between the model results and the observation during the analysis period. The adjoint model is used to compute the gradient of a measure of the model errors with respect to nudging terms that are added to the equations to force the model output closer to the data.

Louis, J.F.

1993-04-28T23:59:59.000Z

55

Cyber security analysis testbed : combining real, emulation, and simulation.  

SciTech Connect

Cyber security analysis tools are necessary to evaluate the security, reliability, and resilience of networked information systems against cyber attack. It is common practice in modern cyber security analysis to separately utilize real systems of computers, routers, switches, firewalls, computer emulations (e.g., virtual machines) and simulation models to analyze the interplay between cyber threats and safeguards. In contrast, Sandia National Laboratories has developed novel methods to combine these evaluation platforms into a hybrid testbed that combines real, emulated, and simulated components. The combination of real, emulated, and simulated components enables the analysis of security features and components of a networked information system. When performing cyber security analysis on a system of interest, it is critical to realistically represent the subject security components in high fidelity. In some experiments, the security component may be the actual hardware and software with all the surrounding components represented in simulation or with surrogate devices. Sandia National Laboratories has developed a cyber testbed that combines modeling and simulation capabilities with virtual machines and real devices to represent, in varying fidelity, secure networked information system architectures and devices. Using this capability, secure networked information system architectures can be represented in our testbed on a single, unified computing platform. This provides an 'experiment-in-a-box' capability. The result is rapidly-produced, large-scale, relatively low-cost, multi-fidelity representations of networked information systems. These representations enable analysts to quickly investigate cyber threats and test protection approaches and configurations.

Villamarin, Charles H.; Eldridge, John M.; Van Leeuwen, Brian P.; Urias, Vincent E.

2010-07-01T23:59:59.000Z

56

E-Print Network 3.0 - autonomous helicopter testbed Sample Search...  

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

Search Powered by Explorit Topic List Advanced Search Sample search results for: autonomous helicopter testbed Page: << < 1 2 3 4 5 > >> 1 Visual Servoing for Tracking Features...

57

MOBILE AGENTS | | | |DS HOME ARCHIVES ABOUT US SUBSCRIBE |SEARCH CART August 2002  

E-Print Network (OSTI)

MOBILE AGENTS | | | |DS HOME ARCHIVES ABOUT US SUBSCRIBE |SEARCH CART August 2002 Back to Article Future Directions for Mobile Agent Research David Kotz, Robert Gray, and Daniela Rus Dartmouth College· he field of mobile agents should shift its emphasis toward mobile code, in all its forms, rather than

Kotz, David

58

Testbed model and data assimilation for ARM. Progress report No. 2, 1 March 1991--31 August 1992 (revised)  

SciTech Connect

The objectives of this contract are to further develop and test the ALFA (AER Local Forecast and Assimilation) model originally designed at AER for local weather prediction and apply it to three distinct but related purposes in connection with the Atmospheric Radiation Measurement (ARM) program: (a) to provide a testbed that simulates a global climate model in order to facilitate the development and testing of new cloud parametrizations and radiation models; (b) to assimilate the ARM data continuously at the scale of a climate model, using the adjoint method, thus providing the initial conditions and verification data for testing parameumtions; (c) to study the sensitivity of a radiation scheme to cloud parameters, again using the adjoint method, thus demonstrating the usefulness of the testbed model. The data assimilation will use a variational technique that minimizes the difference between the model results and the observation during the analysis period. The adjoint model is used to compute the gradient of a measure of the model errors with respect to nudging terms that are added to the equations to force the model output closer to the data. The radiation scheme that will be included in the basic ALFA model makes use of a gen two-stream approximation, and is designed for vertically inhonogeneous, multiple-scattering atmospheres. The sensitivity of this model to the definition of cloud parameters will be studied. The adjoint technique will also be used to compute the sensitivities. This project is designed to provide the Science Team members with the appropriate tools and modeling environment for proper testing and tuning of new radiation models and cloud parametrization schemes.

Louis, J.F.

1992-09-22T23:59:59.000Z

59

Geometry and Structural Properties for the Controls Advanced Research Turbine (CART) from Model Tuning: August 25, 2003--November 30, 2003  

SciTech Connect

The Controls Advanced Research Turbine (CART) is a modified Westinghouse WWG-0600 machine rated at 600 kW. It is located at the National Wind Technology Center (NWTC) in Boulder, Colorado, and has been installed to test new control schemes for power and load regulation. In its original configuration, the WWG-0600 uses a synchronous generator, fluid coupling, and hydraulic collective pitch actuation. However, the CART is fitted with an induction generator, rigid coupling, and individual electromechanical pitch actuators. The rotor runs upwind of the tower and consists of two blades and a teetering hub. In order to design advanced control schemes for the CART, representative computational models are essential.

Stol, K. A.

2004-09-01T23:59:59.000Z

60

Development of an Outdoor Concentrating Photovoltaic Module Testbed, Module Handling and Testing Procedures, and Initial Energy Production Results  

SciTech Connect

This report addresses the various aspects of setting up a CPV testbed and procedures for handling and testing CPV modules.

Muller, M.

2009-09-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation testbed cart" 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

Design and Development of a Low-Cost Test-Bed for Undergraduate Education in UAVs  

E-Print Network (OSTI)

Design and Development of a Low-Cost Test-Bed for Undergraduate Education in UAVs D. Jung, E. J for the development of a low-cost Unmanned Aerial Vehicle (UAV) test-bed for educational purposes. The objective) and graduate students (secondarily) in UAV research. The complete design and development of all hardware

Tsiotras, Panagiotis

62

An Economical Micro-Car Testbed for Validation of Cooperative Control Strategies  

E-Print Network (OSTI)

. INTRODUCTION This paper documents the construction of a small area, cost-effective multiple vehicle testbed learning tool for students to see theory in action. While many such testbeds exist [1-7], cost per vehicle via standard networking protocols. B. Vehicle Information We re-engineered off-the-shelf products

Bertozzi, Andrea L.

63

An Economical Micro-Car Testbed for Validation of Cooperative Control Strategies  

E-Print Network (OSTI)

. INTRODUCTION This paper documents the construction of a small area, cost-effective, multiple vehicle testbed learning tool for students to see theory in action. While many such testbeds exist [1-7], cost per vehicle system calls. B. Vehicle design We re-engineered off-the-shelf products suitable for the size and scope

Soatto, Stefano

64

CCPP-ARM Parameterization Testbed Model Forecast Data  

DOE Data Explorer (OSTI)

Dataset contains the NCAR CAM3 (Collins et al., 2004) and GFDL AM2 (GFDL GAMDT, 2004) forecast data at locations close to the ARM research sites. These data are generated from a series of multi-day forecasts in which both CAM3 and AM2 are initialized at 00Z every day with the ECMWF reanalysis data (ERA-40), for the year 1997 and 2000 and initialized with both the NASA DAO Reanalyses and the NCEP GDAS data for the year 2004. The DOE CCPP-ARM Parameterization Testbed (CAPT) project assesses climate models using numerical weather prediction techniques in conjunction with high quality field measurements (e.g. ARM data).

Klein, Stephen

65

Smart Grid: Network simulator for smart grid test-bed  

Science Journals Connector (OSTI)

Smart Grid become more popular, a smaller scale of smart grid test-bed is set up at UNITEN to investigate the performance and to find out future enhancement of smart grid in Malaysia. The fundamental requirement in this project is design a network with low delay, no packet drop and with high data rate. Different type of traffic has its own characteristic and is suitable for different type of network and requirement. However no one understands the natural of traffic in smart grid. This paper presents the comparison between different types of traffic to find out the most suitable traffic for the optimal network performance.

L C Lai; H S Ong; Y X Che; N Q Do; X J Ong

2013-01-01T23:59:59.000Z

66

EA-1193: Finding of No Significant Impact | Department of Energy  

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

93: Finding of No Significant Impact 93: Finding of No Significant Impact EA-1193: Finding of No Significant Impact Atmospheric Radiation Measurement (ARM) Program North Slope of Alaska and Adjacent Arctic Ocean Cloud and Radiation Testbed (CART) Site The United States Department of Energy has prepared an environmental assessment (EA) for the Atmospheric Radiation Measurement Cloud and Radiation Testbed (ARM/CART), North Slope of Alaska and Adjacent Arctic Ocean. The EA analyzes the impacts on land use, tundra, air quality, cultural resources, socioeconomics, and wildlife. Finding of No Significant Impact for the Atmospheric Radiation Measurement (ARM) Program North Slope of Alaska and Adjacent Arctic Ocean Cloud and Radiation Testbed (CART) Site, DOE/EA-1193 (February 1997) More Documents & Publications

67

The CCPP-ARM Parameterization Testbed (CAPT): Where Climate Simulation Meets Weather Prediction  

SciTech Connect

To significantly improve the simulation of climate by general circulation models (GCMs), systematic errors in representations of relevant processes must first be identified, and then reduced. This endeavor demands, in particular, that the GCM parameterizations of unresolved processes should be tested over a wide range of time scales, not just in climate simulations. Thus, a numerical weather prediction (NWP) methodology for evaluating model parameterizations and gaining insights into their behavior may prove useful, provied that suitable adaptations are made for implementation in climate GCMs. This method entails the generation of short-range weather forecasts by realistically initialized climate GCM, and the application of six-hourly NWP analyses and observations of parameterized variables to evaluate these forecasts. The behavior of the parameterizations in such a weather-forecasting framework can provide insights on how these schemes might be improved, and modified parameterizations then can be similarly tested. In order to further this method for evaluating and analyzing parameterizations in climate GCMs, the USDOE is funding a joint venture of its Climate Change Prediction Program (CCPP) and Atmospheric Radiation Measurement (ARM) Program: the CCPP-ARM Parameterization Testbed (CAPT). This article elaborates the scientific rationale for CAPT, discusses technical aspects of its methodology, and presents examples of its implementation in a representative climate GCM. Numerical weather prediction methods show promise for improving parameterizations in climate GCMs.

Phillips, T J; Potter, G L; Williamson, D L; Cederwall, R T; Boyle, J S; Fiorino, M; Hnilo, J J; Olson, J G; Xie, S; Yio, J J

2003-11-21T23:59:59.000Z

68

A high-accuracy nonintrusive networking testbed for wireless sensor networks  

Science Journals Connector (OSTI)

It becomes increasingly important to obtain the accurate and spontaneous runtime network behavior for further studies on wireless sensor networks. However, the existing testbeds cannot appropriately match such requirements. A High-accuracy Nonintrusive ...

Wei Huangfu; Limin Sun; Jiangchuan Liu

2010-02-01T23:59:59.000Z

69

Predictive model-based for the critical submergence of horizontal intakes in open channel flows with different clearance bottoms using CART, ANN and linear regression approaches  

Science Journals Connector (OSTI)

This study presents the development of classification and regression tree (CART), artificial neural network (ANN) and linear regression approaches to predict the critical submergence in an open channel flow for different clearance bottoms. To use the ... Keywords: ANN, CART, Critical submergence

Mohammad Karim Ayoubloo; H. Md. Azamathulla; Ebrahim Jabbari; Morteza Zanganeh

2011-08-01T23:59:59.000Z

70

TORCH Computational Reference Kernels - A Testbed for Computer Science Research  

SciTech Connect

For decades, computer scientists have sought guidance on how to evolve architectures, languages, and programming models in order to improve application performance, efficiency, and productivity. Unfortunately, without overarching advice about future directions in these areas, individual guidance is inferred from the existing software/hardware ecosystem, and each discipline often conducts their research independently assuming all other technologies remain fixed. In today's rapidly evolving world of on-chip parallelism, isolated and iterative improvements to performance may miss superior solutions in the same way gradient descent optimization techniques may get stuck in local minima. To combat this, we present TORCH: A Testbed for Optimization ResearCH. These computational reference kernels define the core problems of interest in scientific computing without mandating a specific language, algorithm, programming model, or implementation. To compliment the kernel (problem) definitions, we provide a set of algorithmically-expressed verification tests that can be used to verify a hardware/software co-designed solution produces an acceptable answer. Finally, to provide some illumination as to how researchers have implemented solutions to these problems in the past, we provide a set of reference implementations in C and MATLAB.

Kaiser, Alex; Williams, Samuel Webb; Madduri, Kamesh; Ibrahim, Khaled; Bailey, David H.; Demmel, James W.; Strohmaier, Erich

2010-12-02T23:59:59.000Z

71

Experimental study of the D-OSKIL mechanism for controlling the stick-slip oscillations in a drilling laboratory testbed  

E-Print Network (OSTI)

]. We implemented it on an experimental setup that emulates a real oil drilling platform. The mechanism gives the conclusion. II. TESTBED DESCRIPTION An experimental setup which emulates the oil drilling in a drilling laboratory testbed Haochuan Lu Electrical&Electronic Engineering Nanyang Technological University

Paris-Sud XI, Université de

72

Observed and Simulated Cirrus Cloud Properties at the SGP CART Site  

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

and Simulated Cirrus Cloud Properties and Simulated Cirrus Cloud Properties at the SGP CART Site A. D. Del Genio and A. B. Wolf National Aeronautics and Space Administration Goddard Institute for Space Studies New York, New York G. G. Mace University of Utah Salt Lake City, Utah Introduction Despite their potential importance in a long-term climate change, less is known about cirrus clouds than most other cloud types, for a variety of reasons (Del Genio 2001) including: (1) the difficulty of remotely sensing ice water content (IWC), (2) uncertainty in the identities of ice nuclei and the relative importance of different nucleation processes, (3) significant variations in depth and optical thickness caused by formation and sedimentation of large particles, and (4) our relatively poor documentation of

73

Virtual Pipeline System Testbed to Optimize the U.S. Natural Gas Transmission Pipeline System  

SciTech Connect

The goal of this project is to develop a Virtual Pipeline System Testbed (VPST) for natural gas transmission. This study uses a fully implicit finite difference method to analyze transient, nonisothermal compressible gas flow through a gas pipeline system. The inertia term of the momentum equation is included in the analysis. The testbed simulate compressor stations, the pipe that connects these compressor stations, the supply sources, and the end-user demand markets. The compressor station is described by identifying the make, model, and number of engines, gas turbines, and compressors. System operators and engineers can analyze the impact of system changes on the dynamic deliverability of gas and on the environment.

Kirby S. Chapman; Prakash Krishniswami; Virg Wallentine; Mohammed Abbaspour; Revathi Ranganathan; Ravi Addanki; Jeet Sengupta; Liubo Chen

2005-06-01T23:59:59.000Z

74

Synthesis and Validation of Control Software For A Vehicular Electric Power Distribution Testbed  

E-Print Network (OSTI)

protocols on high-fidelity simulation models and on an academic-scale hardware testbed. 1 #12;I- vated by the resulting rapid increase in the costs and duration of the design cycles for such systems, we investigate the use of formal specification and automated, correct-by- construction control

Xu, Huan

75

Investigating Energy and Security Trade-offs in the Classroom With the Atom LEAP Testbed  

E-Print Network (OSTI)

Investigating Energy and Security Trade-offs in the Classroom With the Atom LEAP Testbed Peter A. H seminar investi- gating potential trade-offs between security and energy consumption. Twenty tool for energy research and education. 1 Introduction Mobile and embedded devices face difficult trade

California at Los Angeles, University of

76

Data Modeling with Large Random Matrices in a Cognitive Radio Network Testbed: Initial  

E-Print Network (OSTI)

network, massive data, Big Data, random matrices, experimental testbed, data modeling. I. INTRODUCTION contained in the data." In the age of Big Data [2], [3], the goal set by Fisher has never been so relevant today. In the work of [4], we make an explicit connection of big data with large random matrices

Qiu, Robert Caiming

77

Comparison of two wireless ad hoc routing protocols on a hardware test-bed  

E-Print Network (OSTI)

. These protocols are tested predominately using software simulation. Very few implementations have demonstratedComparison of two wireless ad hoc routing protocols on a hardware test-bed Shweta Bhandare (DSR) protocol and our Energy Aware Dynamic Source Routing protocol (EADSR). The implementation

Brown, Timothy X.

78

Sensor9k: A testbed for designing and experimenting with WSN-based ambient intelligence applications  

Science Journals Connector (OSTI)

Ambient Intelligence systems are typically characterized by the use of pervasive equipment for monitoring and modifying the environment according to users' needs, and to globally defined constraints. Our work describes the implementation of a testbed ... Keywords: Ambient intelligence, Energy efficiency, Probabilistic reasoning, Wireless sensor and actuator networks

Alessandra De Paola; Salvatore Gaglio; Giuseppe Lo Re; Marco Ortolani

2012-06-01T23:59:59.000Z

79

Experiences in Deploying a Wireless Mesh Network Testbed for Traffic Control  

E-Print Network (OSTI)

attracted consider- able interest in recent years as a convenient, flexible and low-cost alternative on metropolitan-scale WMN has been centered around max- imization of available bandwidth, suitable for non of the data exchanges. We discuss our experience in the deploy- ment of an initial testbed consisting of 7

Libman, Lavy

80

Scalable Optoelectronic ATM Networks: The iPOINT Fully Functional Testbed  

E-Print Network (OSTI)

Scalable Optoelectronic ATM Networks: The iPOINT Fully Functional Testbed J. W. Lockwood, H. Duan validates the design of a 128 Gb s optoelectronic ATM switch. Optoelectronics, rather than all optical that maximizes the utility of photonic, electronic, and optoelectronic devices while simultaneously satisfying

Lockwood, John W.

Note: This page contains sample records for the topic "radiation testbed cart" 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

Development of the iPOINT Testbed for Optoelectronic Asynchronous Transfer Mode Networking  

E-Print Network (OSTI)

Development of the iPOINT Testbed for Optoelectronic Asynchronous Transfer Mode Networking Abstract. In conjunction of the UIUC microelectronics laboratory, low-cost optoelectronic components have been developed the integration of time-division multiplexors, ATM switches, optoelectronic components, and ber-optics. As shown

Lockwood, John W.

82

SmartSantander: IoT experimentation over a smart city testbed  

Science Journals Connector (OSTI)

This paper describes the deployment and experimentation architecture of the Internet of Things experimentation facility being deployed at Santander city. The facility is implemented within the SmartSantander project, one of the projects of the Future ... Keywords: Experimentation, Internet of Things, Research, Smart city, Testbed

Luis Sanchez, Luis Muñoz, Jose Antonio Galache, Pablo Sotres, Juan R. Santana, Veronica Gutierrez, Rajiv Ramdhany, Alex Gluhak, Srdjan Krco, Evangelos Theodoridis, Dennis Pfisterer

2014-03-01T23:59:59.000Z

83

4 ESS switch electromagnetic pulse assessment. Volume 1. Test-bed design installation, and baselining. Final report  

SciTech Connect

The content of this report is defined by paragraph 3/1 of the Statement of Work for contract DCA100-88-C-0027. This report documents Task 1 and 2, Test-Bed Design, Installation, and Baselining of the 4 ESS Switch Electromagnetic Pulse (EMP) Assessment Program. ATT has engineered an operational digital 4 ESS switch for the purpose of testing the susceptibility of 4 ESS switch systems to high-altitude EMP. The switch is installed in two specially designed trailers that are transparent to electro-magnetic radiation and is located in Colorado Springs, Colorado, where current-injection testing and further performance baselining is presently underway. Batteries, air conditioning, and spare parts are housed in two additional trailers. ATT Bell Laboratories has developed and implemented a test system for generating current pulses, monitoring the pulses, generating calls, and measuring switch performance. Digital traffic has been successfully generated and switched for three signaling systems: Multifrequency (MF); Common Channel Signaling System 7 (CCS7); and Q.931 (used on direct Integrated Services Digital Network connections). Due to problems in acquiring properly engineered signaling-translation software, however, the CCS7 and Q.931 signaling systems have not yet been implemented with a full complement of trunk assignments. Subsequent tasks will entail further baselining, provisioning of backup methods for the operating software, and current-injection testing of the switch.

Not Available

1989-06-19T23:59:59.000Z

84

The use of a simple cellular automata model as a testbed for kinetic theories of vehicular traffic flow  

E-Print Network (OSTI)

The broad objective of this thesis is to explore the potential for the use of Cellular Automata (CA) models to provide a testbed for comparison of different kinetic models of vehicular traffic. We intend to develop a quantitative technique...

Raney, Bryan Keith

2000-01-01T23:59:59.000Z

85

Towards an Experimental Testbed Facility for Cyber-Physical Security Research  

SciTech Connect

Cyber-Physical Systems (CPSs) are under great scrutiny due to large Smart Grid investments and recent high profile security vulnerabilities and attacks. Research into improved security technologies, communication models, and emergent behavior is necessary to protect these systems from sophisticated adversaries and new risks posed by the convergence of CPSs with IT equipment. However, cyber-physical security research is limited by the lack of access to universal cyber-physical testbed facilities that permit flexible, high-fidelity experiments. This paper presents a remotely-configurable and community-accessible testbed design that integrates elements from the virtual, simulated, and physical environments. Fusing data between the three environments enables the creation of realistic and scalable environments where new functionality and ideas can be exercised. This novel design will enable the research community to analyze and evaluate the security of current environments and design future, secure, cyber-physical technologies.

Edgar, Thomas W.; Manz, David O.; Carroll, Thomas E.

2012-01-07T23:59:59.000Z

86

Re-START: The second operational test of the String Thermionic Assembly Research Testbed  

SciTech Connect

The second operational test of the String Thermionic Assembly Research Testbed -- Re-START -- was carried out from June 9 to June 14, 1997. This test series was designed to help qualify and validate the designs and test methods proposed for the Integrated Solar Upper Stage (ISUS) power converters for use during critical evaluations of the complete ISUS bimodal system during the Engine Ground Demonstration (EGD). The test article consisted of eight ISUS prototype thermionic converter diodes electrically connected in series.

Wyant, F.J. [Sandia National Labs., Albuquerque, NM (United States); Luchau, D. [TEAM Specialty Services, Inc., Albuquerque, NM (United States); McCarson, T.D. [New Mexico Engineering Research Inst., Albuquerque, NM (United States)

1998-01-01T23:59:59.000Z

87

The end-to-end testbed of the Optical Metrology System on-board LISA Pathfinder  

E-Print Network (OSTI)

LISA Pathfinder is a technology demonstration mission for the Laser Interferometer Space Antenna (LISA). The main experiment on-board LISA Pathfinder is the so-called LISA Technology Package (LTP) which has the aim to measure the differential acceleration between two free-falling test masses with an accuracy of 3x10^(-14) ms^(-2)/sqrt[Hz] between 1 mHz and 30 mHz. This measurement is performed interferometrically by the Optical Metrology System (OMS) on-board LISA Pathfinder. In this paper we present the development of an experimental end-to-end testbed of the entire OMS. It includes the interferometer and its sub-units, the interferometer back-end which is a phasemeter and the processing of the phasemeter output data. Furthermore, 3-axes piezo actuated mirrors are used instead of the free-falling test masses for the characterisation of the dynamic behaviour of the system and some parts of the Drag-free and Attitude Control System (DFACS) which controls the test masses and the satellite. The end-to-end testbed includes all parts of the LTP that can reasonably be tested on earth without free-falling test masses. At its present status it consists mainly of breadboard components. Some of those have already been replaced by Engineering Models of the LTP experiment. In the next steps, further Engineering Models and Flight Models will also be inserted in this testbed and tested against well characterised breadboard components. The presented testbed is an important reference for the unit tests and can also be used for validation of the on-board experiment during the mission.

Frank Steier; Felipe Guzmán Cervantes; Antonio F. García Marín; Domenico Gerardi; Gerhard Heinzel; Karsten Danzmann

2012-03-21T23:59:59.000Z

88

X:\ARM_19~1\PGS53-62.WPD  

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

ms ms 1 . Session Papers 53 Figure 1. Average differences between the BLP and TP v component of the wind during June and August, according to stability and wind direction. Performance of Radar Wind Profilers, Radiosondes, and Surface Flux Stations at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Site R. L. Coulter, B. M. Lesht, M. L. Wesely, D. R. Cook, D. J. Holdridge, and T. J. Martin Environmental Research Division Argonne National Laboratory Argonne, Illinois The performance of several routinely operating CART central facility indicated that data from the 50- observational systems at the Southern Great Plains (SGP) MHZ system can be used to determine if the winds Cloud and Radiation Testbed (CART) site has been measured by the 915-MHZ system are distorted by signal

89

CPR Policy 08-022 Appendix: A Adult Code Carts Maintained by Pharmacy Department  

E-Print Network (OSTI)

Services / Dental Implant Center Radiation Oncology, C Bldg., Ground Floor Radiation Oncology Radiology Floor Cardiac Step Down Unit Cardiology Suite, C Bldg., 2nd Floor Cardiology Suite clinic area Dental Clinic 8 - Oral Maxilla Facial Surgery (DC 8) C Bldg., 1st Floor Dental Clinics (All) Electrophysiology

Oliver, Douglas L.

90

FY 2011 Second Quarter: Demonstration of New Aerosol Measurement Verification Testbed for Present-Day Global Aerosol Simulations  

SciTech Connect

The regional-scale Weather Research and Forecasting (WRF) model is being used by a DOE Earth System Modeling (ESM) project titled “Improving the Characterization of Clouds, Aerosols and the Cryosphere in Climate Models” to evaluate the performance of atmospheric process modules that treat aerosols and aerosol radiative forcing in the Arctic. We are using a regional-scale modeling framework for three reasons: (1) It is easier to produce a useful comparison to observations with a high resolution model; (2) We can compare the behavior of the CAM parameterization suite with some of the more complex and computationally expensive parameterizations used in WRF; (3) we can explore the behavior of this parameterization suite at high resolution. Climate models like the Community Atmosphere Model version 5 (CAM5) being used within the Community Earth System Model (CESM) will not likely be run at mesoscale spatial resolutions (10–20 km) until 5–10 years from now. The performance of the current suite of physics modules in CAM5 at such resolutions is not known, and current computing resources do not permit high-resolution global simulations to be performed routinely. We are taking advantage of two tools recently developed under PNNL Laboratory Directed Research and Development (LDRD) projects for this activity. The first is the Aerosol Modeling Testbed (Fast et al., 2011b), a new computational framework designed to streamline the process of testing and evaluating aerosol process modules over a range of spatial and temporal scales. The second is the CAM5 suite of physics parameterizations that have been ported into WRF so that their performance and scale dependency can be quantified at mesoscale spatial resolutions (Gustafson et al., 2010; with more publications in preparation).

Koch, D

2011-03-20T23:59:59.000Z

91

Sub-Microarcsecond Astrometry with SIM-Lite: A Testbed-based Performance Assessment  

E-Print Network (OSTI)

SIM-Lite is an astrometric interferometer being designed for sub-microarcsecond astrometry, with a wide range of applications from searches for Earth-analogs to determining the distribution of dark matter. SIM-Lite measurements can be limited by random and systematic errors, as well as astrophysical noise. In this paper we focus on instrument systematic errors and report results from SIM-Lite's interferometer testbed. We find that, for narrow-angle astrometry such as used for planet finding, the end-of-mission noise floor for SIM-Lite is below 0.035 uas.

M. Shao; B. Nemati

2008-12-08T23:59:59.000Z

92

tude des stratgies d'exploration d'un environnement inconnu pour l'apprentissage de cartes cognitives et pour la navigation  

E-Print Network (OSTI)

it was assumed that the exploration followed a random process, more recent studies have observed recurrent�tude des stratégies d'exploration d'un environnement inconnu pour l'apprentissage de cartes Exploration Strategies in unknown environments, learning cognitive maps for spatial navigation. Master Thesis

Arleo, Angelo

93

Driving on the Interior of Campus An increased number of vehicles and small electric/gas carts on campus, both State and private,  

E-Print Network (OSTI)

Driving on the Interior of Campus An increased number of vehicles and small electric/gas carts on campus, both State and private, have created an increased risk to pedestrians and has damaged walkways Director or the designee. · Private and vendor vehicles are restricted at all times. Vehicles requiring

de Lijser, Peter

94

X:\ARM_19~1\P283-315.WPD  

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

10 10 W m 2 ±5% ±20 W m 2 . 5 10Wm 2 Session Papers 301 Aspects of the Quality of Data from the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Site Broadband Radiation Sensors M. E. Splitt University of Oklahoma Norman, Oklahoma M. L. Wesely Argonne National Laboratory Argonne, Illinois A systematic evaluation of the performance of broadband In this paper, suggested uncertainty values correspond to radiometers at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site is needed to estimate the uncertainties of the irradiance observations. Here, net radiation observed with the net radiometer in the energy balance Bowen ratio (EBBR) station at the central facility is compared with the net radiation computed as the sum of component irradiances recorded by nearby pyranometers

95

Application of Stochastic Radiative Transfer Theory to the ARM Cloud-Radiative Parameterization Problem  

SciTech Connect

This project had two primary goals: (1) development of stochastic radiative transfer as a parameterization that could be employed in an AGCM environment, and (2) exploration of the stochastic approach as a means for representing shortwave radiative transfer through mixed-phase layer clouds. To achieve these goals, climatology of cloud properties was developed at the ARM CART sites, an analysis of the performance of the stochastic approach was performed, a simple stochastic cloud-radiation parameterization for an AGCM was developed and tested, a statistical description of Arctic mixed phase clouds was developed and the appropriateness of stochastic approach for representing radiative transfer through mixed-phase clouds was assessed. Significant progress has been made in all of these areas and is detailed in the final report.

Dana E. Veron

2012-04-09T23:59:59.000Z

96

National Institute of Standards and Technology - Texas instruments industrial collaboratory testbed.  

SciTech Connect

A portion of the mission of the NIST Manufacturing Engineering Laboratory (MEL) is to improve and advance length metrology in aid of U.S. Industry. This responsibility is found within the Precision Engineering Division (PED). The successful development of a ''Collaborator'' for TelePresence Microscopy provides an important new tool to promote technology transfer in the area of length metrology and measurement technology. NIST and Texas Instruments under the auspices of the National Automated Manufacturing Testbed (NAMT) and in collaboration with the University of Illinois are developing a microscopy collaborator testbed to demonstrate the value of telepresence microscopy within a large distributed manufacturing facility such as Texas Instruments and between organizations such as NET, Texas Instruments and Universities. Telepresence Microscopy is an application of the state-of-the-art Internet based technology to long-distance scientific endeavors. Long distance can refer to across the country or from one site within a company to another. Telepresence is currently being applied to electron microscopy in several locations where unique analytical facilities (such as those at NIST) can be utilized via Internet connection. Potentially this can provide tremendous savings to a company where asset sharing can now be rapidly and effectively accessed or remote unique facilities can be utilized without the requirement of expensive and time consuming travel. This methodology is not limited to electron microscopy, but its power is currently exemplified by its application to that form of microscopy.

Postek, M. T.

1998-10-29T23:59:59.000Z

97

Poster: Building a test-bed for wireless sensor networking for under-water oil and gas installations  

E-Print Network (OSTI)

. Initially we are building a laboratory in a large water tank. Later we will cooperate with an oil and gasPoster: Building a test-bed for wireless sensor networking for under-water oil and gas@ifi.uio.no 1 Introduction and background When the oil and gas industry moves its production facilities

Zhou, Shengli

98

An Underwater Communication and Sensing Testbed in Marina del Rey Andrew Goodney, Young H. Cho, John Heidemann, John Wroclawski  

E-Print Network (OSTI)

awareness of environmental concerns such as runoff pollution and global climate change, and significant, as government and industry seek to observe, protect, exploit, and control resources underwater. With growing development and deployment. As an initial step, we designed, constructed and deployed two prototype testbed

Heidemann, John

99

Section 40  

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

5 5 Modeling the Surface Energy Balance and Soil Moisture at the Atmospheric Radiation Measurement Cloud and Radiation Testbed in the U.S. Southern Great Plains J.C. Liljegren, J.C. Doran, J.M. Hubbe, W.J. Shaw, S. Zhong Pacific Northwest National Laboratory Richland, Washington 99352 G.J. Collatz National Aeronautics and Space Administration/Goddard Space Flight Center Greenbelt, Maryland D.R. Cook, R.L. Hart Argonne National Laboratory Argonne, Illinois Introduction We have applied the Simple Biosphere (SiB) model of Sellers et al. (1986) to calculate fluxes of net radiation, sensible, latent, and soil heat for July-August 1994 at a spatial resolution of 6.25 km over the 10 km domain of the Cloud 5 2 and Radiation Testbed (CART) in Kansas and Oklahoma. We determine the vegetation type for the CART from a data-

100

Posters  

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

7 7 Posters Use of Cloud and Radiation Testbed Measurements to Evaluate Cloud Cover and Convective Parameterizations C. J. Walcek and Q. Hu State University of New York Albany, New York Abstract We have used temperature and humidity soundings and radiation measurements from the Atmospheric Radiation Measurement (ARM) Cloud and Radiation Testbed (CART) site in northern Oklahoma to evaluate an improved cloud cover algorithm. We have also used a new single-column model cumulus parameterization to estimate convective heating and moistening tendencies at the CART site. Our earlier analysis of cloud cover showed that relatively dry atmospheres contain small cloud amounts. We have found numerous periods during 1993 where maximum relative humidities within any layer of the

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101

HOPI Testbed  

Science Journals Connector (OSTI)

This talk focuses on some of the recent results from the Hybrid Optical and Packet infrastructure (HOPI) project of Internet2. The HOPI project examines hybrid networking: how to...

Summerhill, Rick

102

Unmanned Aerospace Vehicle Workshop  

SciTech Connect

The Unmanned Aerospace Vehicle (UAV) Workshop concentrated on reviewing and refining the science experiments planned for the UAV Demonstration Flights (UDF) scheduled at the Oklahoma Cloud and Radiation Testbed (CART) in April 1994. These experiments were focused around the following sets of parameters: Clear sky, daylight; Clear-sky, night-to-day transition; Clear sky - improve/validate the accuracy of radiative fluxes derived from satellite-based measurements; Daylight, clouds of opportunity; and, Daylight, broken clouds.

Vitko, J. Jr. [Sandia National Labs., Livermore, CA (United States)

1995-04-01T23:59:59.000Z

103

1  

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

Recent Progress in CART Raman Lidar Measurements Recent Progress in CART Raman Lidar Measurements J. E. M. Goldsmith and T. P. Tooman Sandia National Laboratories Livermore, California R. A. Ferrare National Aeronautics and Space Administration Langley Research Center Hampton, Virginia D. D. Turner (a) Pacific Northwest National Laboratory Richland, Washington Introduction The Cloud and Radiation Testbed (CART) Raman Lidar was developed to provide continuous, automated vertical profiling of atmospheric water vapor, aerosols, and clouds. The system was delivered to the Southern Great Plains (SGP) CART site on September 13, 1995, and became operational on September 19, 1995. Routine operation of the system was delayed due to early laser reliability problems, but system reliability has increased dramatically with weekly uptimes in excess of

104

P:\JODI\P113-137.WPD  

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

Figure 1. (a) Schematic diagram of idealized Raman Figure 1. (a) Schematic diagram of idealized Raman lidar system. (b) Signals produced by the primary species in the atmosphere. Implementation of Raman Lidar for Profiling of Atmospheric Water Vapor and Aerosols at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Site J.E.M. Goldsmith, F. H. Blair, and S. E. Bisson Sandia National Laboratories Livermore, California Introduction There are clearly identified scientific requirements for con- tinuous profiling of atmospheric water vapor at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site. Research conducted at several laboratories, including our work in a previous Atmospheric Radiation Measurement (ARM) Instrument Development Project, has demonstrated the suitability of Raman lidar for

105

X:\ARM_19~1\PGS1-8.WPD  

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

Boundary-Layer Cloud Study Using Southern Great Boundary-Layer Cloud Study Using Southern Great Plains Cloud and Radiation Testbed (CART) Data B. Albrecht, G. Mace, X. Dong, W. Syrett, and T. Ackerman Pennsylvania State University, Department of Meteorology University Park, Pennsylvania Introduction Boundary layer clouds-stratus and fairweather cumulus- are closely coupled to the water and energy budgets of land surfaces. This coupling involves the radiative impact of the clouds on the surface energy budget and the strong dependence of cloud formation and maintenance on the turbulent fluxes of heat and moisture in the boundary layer. The continuous data collection at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site provides a unique opportunity to study components of the coupling processes associated with boundary layer clouds

106

moran-98.pdf  

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

7 7 A Review of the First Year of Operations of ARM's 8-mm Cloud Profiling Radar at the SGP CART Site K. P. Moran, B. E. Martner, and M. J. Post NOAA-Environmental Technology Laboratory Boulder, Colorado K. B. Widener Pacific Northwest National Laboratory Richland, Washington Introduction The U.S. Department of Energy's (DOE's) Atmospheric Radiation Measurement (ARM) Program designed the Cloud and Radiation Testbed (CART) sites to provide researchers with a set of measurements of the state of the atmosphere for monitoring the radiative aspects of climate (Stokes and Schwartz 1994). Recently, a millimeter- wavelength cloud radar (MMCR) was developed for ARM to provide continuous unattended measurements of the clouds over CART sites. Nearly two decades of atmos-

107

Section 22  

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

9 9 Raman Lidar Installed at Southern Great Plains Cloud and Radiation Testbed Site for Profiling Atmospheric Water Vapor, Aerosols, and Clouds J.E.M. Goldsmith, S. E. Bisson, and F. H. Blair Sandia National Laboratories Livermore, California We have developed a ruggedized Raman lidar system that a LabVIEW-based program; after the operator responds to a resides permanently at the Southern Great Plains (SGP) Cloud few dialog boxes during system start-up, no further operator and Radiation Testbed (CART) site, providing vertical attention is required. profiles of water vapor, aerosols, and clouds. The CART Raman Lidar was delivered to the site on September 13, 1995, The system is housed in a seatainer, a metal shipping con- and became operational on September 19, in time to support

108

The Aerosol Modeling Testbed: A community tool to objectively evaluate aerosol process modules  

SciTech Connect

This study describes a new modeling paradigm that significantly advances how the third activity is conducted while also fully exploiting data and findings from the first two activities. The Aerosol Modeling Testbed (AMT) is a computational framework for the atmospheric sciences community that streamlines the process of testing and evaluating aerosol process modules over a wide range of spatial and temporal scales. The AMT consists of a fully-coupled meteorology-chemistry-aerosol model, and a suite of tools to evaluate the performance of aerosol process modules via comparison with a wide range of field measurements. The philosophy of the AMT is to systematically and objectively evaluate aerosol process modules over local to regional spatial scales that are compatible with most field campaigns measurement strategies. The performance of new treatments can then be quantified and compared to existing treatments before they are incorporated into regional and global climate models. Since the AMT is a community tool, it also provides a means of enhancing collaboration and coordination among aerosol modelers.

Fast, Jerome D.; Gustafson, William I.; Chapman, Elaine G.; Easter, Richard C.; Rishel, Jeremy P.; Zaveri, Rahul A.; Grell, Georg; Barth, Mary

2011-03-02T23:59:59.000Z

109

Custom data support for the FAst -physics System Testbed and Research (FASTER) Project  

SciTech Connect

The multi-institution FAst -physics System Testbed and Research (FASTER) project, funded by the DOE Earth System Modeling program, aims to evaluate and improve the parameterizations of fast processes (those involving clouds, precipitation and aerosols) in global climate models, using a combination of numerical prediction models, single column models, cloud resolving models, large-eddy simulations, full global climate model output and ARM active and passive remote sensing and in-situ data. This poster presents the Custom Data Support effort for the FASTER project. The effort will provide tailored datasets, statistics, best estimates and quality control data, as needed and defined by FASTER participants, for use in evaluating and improving parameterizations of fast processes in GCMs. The data support will include custom gridding and averaging, for the model of interest, using high time resolution and pixel level data from continuous ARM observations and complementary datasets. In addition to the FASTER team, these datasets will be made available to the ARM Science Team. Initial efforts with respect to data product development, priorities, availability and distribution are summarized here with an emphasis on cloud, atmospheric state and aerosol properties as observed during the Spring 2000 Cloud IOP and the Spring 2003 Aerosol IOP at the ARM Southern Great Plains site.

Toto, T.; Jensen, M.; Vogelmann, A.; Wagener, R.; Liu, Y.; Lin, W.

2010-03-15T23:59:59.000Z

110

storvold-99.PDF  

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

ARM Participation in SHEBA: A Mini-CART Site Operated ARM Participation in SHEBA: A Mini-CART Site Operated in the Arctic Ocean from October 1997 Until October 1998 R. Storvold, J. Delamere, H. A. Eide, H. Lindquist, P. Utley, and K. Stamnes Geophysical Institute, University of Alaska Fairbanks, Alaska C. R. Turney and K. B. Widener Pacific Northwest National Laboratory Richland, Washington B. D. Zak Sandia National Laboratories Albuquerque, New Mexico Introduction The Surface Heat Budget of the Arctic Ocean (SHEBA) experiment provided a unique opportunity for the Atmospheric Radiation Measurement (ARM) Program to obtain valuable data over the Arctic Ocean by participating in SHEBA through ARM's North Slope of Alaska/Adjacent Arctic Ocean (NSA/AAO) team. A mini-CART (Cloud and Radiation Testbed) site was operated by the ARM NSA/AAO team at

111

richardson-98.pdf  

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

47 47 In Situ Moisture Measurements Using Chilled Mirror Sensors S. J. Richardson Cooperative Institute for Mesoscale Meteorological Studies University of Oklahoma Norman, Oklahoma D. C. Tobin Space Science and Engineering Center University of Wisconsin - Madison Madison, Wisconsin Abstract Chilled mirror moisture measurement systems were installed at the Atmospheric Radiation Measurement (ARM) Cloud and Radiation Testbed (CART) Central Facility (CF) at the balloon borne sounding system (BBSS) launch site and at 25 m and 60 m on the CART tower from September 1997 through January 1998. This paper will present results from comparisons between the chilled mirror (CM) sensors and the standard ARM CART instrumentation. This work represents an extension of the work performed during the

112

ARM - Publications: Science Team Meeting Documents  

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

The North Slope of Alaska CART and Arctic Change 2002 The North Slope of Alaska CART and Arctic Change 2002 Zak, B.D., Zirzow, J.A., and Einfeld, W., Sandia National Laboratories Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The North Slope of Alaska/Adjacent Arctic Ocean (NSA/AAO) Cloud and Radiation Testbed (CART), operational since spring of 1998, is maturing just in time for the push to understand the far-reaching changes in the Arctic presently occurring. From the mid 1970s to the mid 1990s, arctic sea ice areal coverage has decreased about 5%, but ice thickness appears to have decreased about 40%. In addition, temperature and salinity patterns in the Arctic Ocean and the associated thermohaline circulation have been affected, as have many other climate-related processes. An Arctic

113

ferrare-99.PDF  

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

CART Raman Lidar Retrievals of Aerosol Extinction CART Raman Lidar Retrievals of Aerosol Extinction and Relative Humidity Profiles R. A. Ferrare National Aeronautics and Space Administration Langley Research Center Hampton, Virginia L. A. Heilman Science Applications International Corporation/ National Aeronautics and Space Administration Langley Research Center Hampton, Virginia D. D. Turner Pacific Northwest National Laboratory Richland, Washington W. F. Feltz University of Wisconsin Madison, Wisconsin Introduction We have developed and recently implemented automated algorithms to retrieve aerosol extinction profiles from the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Raman Lidar data acquired during both daytime and nighttime operations. These profiles are important for determining the effects of aerosols on the clear-sky radiative flux, as well as for validating the aerosol retrieval

114

Photovoltaic Shading Testbed for Module-Level Power Electronics: 2014 Update  

SciTech Connect

The 2012 NREL report 'Photovoltaic Shading Testbed for Module-Level Power Electronics' provides a standard methodology for estimating the performance benefit of distributed power electronics under partial shading conditions. Since the release of the report, experiments have been conducted for a number of products and for different system configurations. Drawing from these experiences, updates to the test and analysis methods are recommended. Proposed changes in data processing have the benefit of reducing the sensitivity to measurement errors and weather variability, as well as bringing the updated performance score in line with measured and simulated values of the shade recovery benefit of distributed PV power electronics. Also, due to the emergence of new technologies including sub-module embedded power electronics, the shading method has been extended to include power electronics that operate at a finer granularity than the module level. An update to the method is proposed to account for these emerging technologies that respond to shading differently than module-level devices. The partial shading test remains a repeatable test procedure that attempts to simulate shading situations as would be experienced by typical residential or commercial rooftop photovoltaic (PV) systems. Performance data for multiple products tested using this method are discussed, based on equipment from Enphase, Solar Edge, Maxim Integrated and SMA. In general, the annual recovery of shading losses from the module-level electronics evaluated is 25-35%, with the major difference between different trials being related to the number of parallel strings in the test installation rather than differences between the equipment tested.

Deline, C.; Meydbray, J.; Donovan, M.

2014-08-01T23:59:59.000Z

115

ARM - Publications: Science Team Meeting Documents  

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

Observations and Stochastic Modeling of Shortwave Radiative Transfer at the Observations and Stochastic Modeling of Shortwave Radiative Transfer at the ARM CART Sites Secora, J.M. and Veron, D.E., Rutgers University Stochastic modeling has been shown to be a promising technique for representing shortwave radiative transfer through fractional cloud fields and may be a suitable approach for characterizing the impact of macroscale inhomogeneity of the cloud field on the radiation in an Atmospheric General Circulation Model (AGCM) environment. To ascertain the conditions under which the stochastic approach would be appropriate in an AGCM, several steps have been taken. Initially, we have analyzed both microphysical and geometrical cloud characteristics for one year at three Atmospheric Radiation Measurement (ARM) Program Cloud and Radiation Testbed (CART)

116

Section 15  

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

An Internal Analysis of SGP/CART Radiosonde An Internal Analysis of SGP/CART Radiosonde Performance During the September 1996 Water Vapor Intensive Observation Period B. M. Lesht Argonne National Laboratory Argonne, Illinois Introduction The September 1996 Water Vapor Intensive Observation Per- iod (IOP) provided an excellent opportunity to investigate fur- ther the operational performance of the radiosondes used by ARM at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site. Although many instrument inter- comparisons were conducted during the IOP, the lack of an accepted absolute standard makes evaluation of the results difficult. By focusing on information obtained from the radiosondes themselves, with minimal reference to external instruments, we hope to eliminate much of the uncertainty

117

Comparison of support vector machine, neural network, and CART algorithms for the land-cover classification using limited training data points  

Science Journals Connector (OSTI)

Support vector machine (SVM) was applied for land-cover characterization using MODIS time-series data. Classification performance was examined with respect to training sample size, sample variability, and landscape homogeneity (purity). The results were compared to two conventional nonparametric image classification algorithms: multilayer perceptron neural networks (NN) and classification and regression trees (CART). For 2001 MODIS time-series data, SVM generated overall accuracies ranging from 77% to 80% for training sample sizes from 20 to 800 pixels per class, compared to 67–76% and 62–73% for NN and CART, respectively. These results indicated that SVM’s had superior generalization capability, particularly with respect to small training sample sizes. There was also less variability of SVM performance when classification trials were repeated using different training sets. Additionally, classification accuracies were directly related to sample homogeneity/heterogeneity. The overall accuracies for the SVM algorithm were 91% (Kappa = 0.77) and 64% (Kappa = 0.34) for homogeneous and heterogeneous pixels, respectively. The inclusion of heterogeneous pixels in the training sample did not increase overall accuracies. Also, the SVM performance was examined for the classification of multiple year MODIS time-series data at annual intervals. Finally, using only the SVM output values, a method was developed to directly classify pixel purity. Approximately 65% of pixels within the Albemarle–Pamlico Basin study area were labeled as “functionally homogeneous” with an overall classification accuracy of 91% (Kappa = 0.79). The results indicated a high potential for regional scale operational land-cover characterization applications.

Yang Shao; Ross S. Lunetta

2012-01-01T23:59:59.000Z

118

Empirical assessment of a prismatic daylight-redirecting window film in a full-scale office testbed  

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

for presentation to the IESNA 2013 Annual Conference, Huntington Beach, CA, for presentation to the IESNA 2013 Annual Conference, Huntington Beach, CA, October 26-29, 2013 and for publication in Leukos, the journal of the IESNA. Empirical assessment of a prismatic daylight- redirecting window film in a full-scale office testbed Anothai Thanachareonkit, Eleanor S. Lee, Andrew McNeil Building Technologies and Urban Systems Department, Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, Mailstop 90-3111, 1 Cyclotron Road, Berkeley, CA 94720 USA Abstract Daylight redirecting systems with vertical windows have the potential to offset lighting energy use in deep perimeter zones. Microstructured prismatic window films can be manufactured using low-cost, roll-to-roll fabrication methods and adhered to the inside surface of existing

119

Alpha Radiation  

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

Basics of Radiation Basics of Radiation Gamma Radiation and X-Rays Beta Radiation Alpha Radiation Irradiation Radioactive Contamination Definitions Detection Measurement Safety Around Radiation Sources Types of Radiation Exposure Managing Radiation Emergencies Basics of Radiation Characteristics of Alpha Radiation 1. Alpha radiation is not able to penetrate skin. 2. Alpha-emitting materials can be harmful to humans if the materials are inhaled, swallowed, or absorbed through open wounds. 3. A variety of instruments have been designed to measure alpha radiation. Special training in use of these instruments is essential for making accurate measurements. 4. A civil defense instrument (CD V-700) cannot detect the presence of radioactive materials that produce alpha radiation unless the radioactive materials also produce beta and/or gamma radiation.

120

Radiation: Radiation Control (Indiana)  

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

It is the policy of the state to encourage the constructive uses of radiation and to control its harmful effects. This section contains regulations pertaining to the manufacture, use,...

Note: This page contains sample records for the topic "radiation testbed cart" 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

1  

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

Progress Towards a Characterization of the Infrared Progress Towards a Characterization of the Infrared Emissivity of the Land Surface in the Vicinity of the ARM SGP Central Facility: Surface (S-AERI) and Airborne Sensors (NAST-I/S-HIS) R. O. Knuteson, B. Osborne, J. Short, H. E. Revercomb, D. C. Tobin, and S. L. Nasiri University of Wisconsin, Madison Madison, Wisconsin Introduction The U.S. Department of Energy (DOE) Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site provides a unique facility for the study of thermal radiation at and above the earth's surface. The site extends across a 250-km-square region in Oklahoma and Kansas dominated by rural agricultural land use. Upwelling thermal infrared (IR) radiation in the SGP CART site region is strongly influenced by surface radiative properties. The surface properties most appropriate for the representa-

122

peppler-98.pdf  

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

7 7 ARM Fall 1997 Integrated IOP - A Look Back R. A. Peppler Cooperative Institute of Mesoscale Meteorological Studies (CIMMS) University of Oklahoma Norman, Oklahoma D. L. Sisterson Argonne National Laboratory Argonne, Illinois J. Teske ERC, Incorporated Billings, Oklahoma Introduction The Atmospheric Radiation Measurement (ARM) Program's largest intensive observation period (IOP) to date was conducted from September 15 to October 5, 1997, at and near the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Central Facility. The Integrated IOP consisted of six separate but interrelated experimental efforts, including water vapor, clouds, aerosols, shortwave radiation, the Unmanned Aerospace Vehicle (UAV), and Single-Column Model (SCM). This paper briefly describes

123

Section 74  

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

Comparisons of the Micropulse Lidar and the Belfort Comparisons of the Micropulse Lidar and the Belfort Laser Ceilometer at the Atmospheric Radiation Measurement Southern Great Plains Cloud and Radiation Testbed Site D.D. Turner Pacific Northwest National Laboratory Richland, Washington Introduction The general goal of the Atmospheric Radiation Measurement (ARM) Program is to improve general circulation and related models of the atmosphere for global and regional prediction (DOE 1990). In order to achieve this goal, the ARM Program is collecting a prodigious volume of data at its first Cloud and The time period selected to do the comparisons between the Radiation Testbed (CART) in the Southern Great Plains of the instruments was April 4, 1994, through May 8, 1994. In this United States. Some quantities, such as cloud base height, can

124

Hysteresis in \\SigmaJ Ising square lattices E.E. Vogel 1 , J. Cartes 1 , P. Vargas 2 , D. Altbir 2 , S. Kobe 3 , T. Klotz 4 , M. Nogala 3;5  

E-Print Network (OSTI)

Hysteresis in \\SigmaJ Ising square lattices E.E. Vogel 1 , J. Cartes 1 , P. Vargas 2 , D. Altbir 2­61­614 Pozna'n, Poland (June 19, 1998) The magnetic hysteresis of \\SigmaJ Ising lattices is analyzed that their original or virgin state tends to have a zero magnetization [5]. Ising mo­ dels with random local fields

Kobe, Sigismund

125

ARM - Publications: Science Team Meeting Documents  

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

Improved Methods for Broadband Outdoor Radiometer Calibration (BORCAL) Improved Methods for Broadband Outdoor Radiometer Calibration (BORCAL) Wilcox, S.M., Andreas, A.M., Reda, I., and Myers, D.R., National Renewable Energy Laboratory Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM Program deploys approximately 100 radiometers to measure broadband solar radiation at stations in the North Slope of Alaska (NSA), Southern Great Plains (SGP), and Tropical Western Pacific (TWP) Cloud and Radiation Testbed (CART) sites. Two calibration events performed at the SGP Radiometer Calibration Facility (RCF) each year maintain radiometer calibration traceability to the World Radiometric Reference and assure reliable and uniform measurements at each CART site. Calibrations are performed using the Radiometer Calibration and Characterization (RCC)

126

X:\ARM_19~1\PGS53-62.WPD  

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

z z i , z i , z i V s , V t Session Papers 59 Figure 1. Temporal and spatial standard deviation of sensible heat flux over the SGP CART site. Values are normalized by the mean sensible heat flux, as defined in the text. Using Remotely Sensed Planetary Boundary Layer Variables as Estimates of Areally Averaged Heat Flux R. L. Coulter, T. J. Martin, and D. J. Holdridge Argonne National Laboratory Argonne, Illinois Introduction Homogeneity across the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site is an issue of importance to all facets of the Atmospheric Radiation Measurement (ARM) Program. The degree to which measurements at the central facility can be used to verify, improve, or develop relationships in radiative flux models that are subsequently used in global circulation models, for

127

Section 56  

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

0.5° 0.5° C 0° C Session Papers 237 Enhancement of Atmospheric Radiation Measurement Surface Meteorological Observations During the Fall 1996 Water Vapor Intensive Observation Period S. J. Richardson and M. E. Splitt Cooperative Institute for Mesoscale Meteorological Studies University of Oklahoma Norman, Oklahoma Abstract This work describes in situ moisture sensor comparisons performed in conjunction with the first Water Vapor (WV) Intensive Observation Period (IOP) conducted at the Atmos- pheric Radiation Measurement (ARM) Program Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site during September of 1996. Numerous remote sensing instruments (e.g., two Raman Lidar, two Atmospheric Emitted Radiance Interferometers [AERI], and a suite of 13 microwave radiometers) were assembled at the CART site

128

turner-99.PDF  

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

Characterizing the Water Vapor Profiling Measurements at Characterizing the Water Vapor Profiling Measurements at the ARM SGP CART Site D. D. Turner Pacific Northwest National Laboratory Richland, Washington W. F. Feltz University of Wisconsin Madison, Wisconsin W. L. Smith National Aeronautics and Space Administration Langley Research Center Hampton, Virginia Introduction The U.S. Department of Energy's Atmospheric Radiation Measurement (ARM) Program has helped facilitate the development of two advanced methods of profiling water vapor in the lower atmosphere at its Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site. Accurate, high spatial and temporal resolution profiles of water vapor are required for many endeavors, including assimilation into mesoscale models to improve nowcasts/forecasts, characterization of the atmospheric state for radiative

129

Novel ASTA Users Facility At Fermilab: A Testbed For Superconducting RF Technology And ERL R&D  

E-Print Network (OSTI)

The Advanced Superconducting Test Accelerator (ASTA) currently under commissioning at Fermilab will enable a broad range of beam-based experiments to study fundamental limitations to beam intensity and to develop transformative approaches to particle-beam generation, acceleration and manipulation. ASTA incorporates a superconducting radiofrequency (SRF) linac coupled to a photoinjector and small-circumference storage ring capable of storing electrons or protons. ASTA will establish a unique resource for R&D towards Energy Frontier facilities and a test-bed for SRF accelerators and high-brightness beam applications, including ERLs. The unique features of ASTA include: (1) a high repetition-rate, (2) one of the highest peak and average brightness within the U.S., (3) a GeV-scale beam energy, (4) an extremely stable beam, (5) the availability of SRF and high quality beams together, and (6) a storage ring capable of supporting a broad range of ring-based advanced beam dynamics experiments. These unique featur...

Shiltsev, V

2014-01-01T23:59:59.000Z

130

X:\ARM_19~1\PGS19-27.WPD  

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

8 8 W 98 W, Session Papers 23 Figure 1. The NOAA wind profiler demonstration network and the sounding sites during the ARM June 1993 IOP. Analytical Study of the Effects of the Low-Level Jet on Moisture Convergence and Vertical Motion Fields at the Southern Great Plains Cloud and Radiation Testbed Site X. Bian, S. Zhong, C. D. Whiteman, and S. A. Stage Pacific Northwest National Laboratory Richland, Washington Introduction The Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) is located in a region that is strongly affected by a prominent meteorological phenomenon--the Great Plains Low-Level Jet (LLJ). Observations (Means 1952; Pitchford and London 1962; Parish et al. 1988; Frisch et al. 1992) have shown that the LLJ plays a vital role in spring

131

Posters  

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Posters Implementation of Raman Lidar for Profiling of Atmospheric Water Vapor and Aerosols at the Southern Great Plains Cloud and Radiation Testbed Site J.E.M. Goldsmith, S. E. Bisson, and F. H. Blair Sandia National Laboratories Livermore, California D. N. Whiteman and S. H. Melfi NASA Goddard Space Flight Facility Greenbelt, Maryland R. A. Ferrare (a) Hughes STX Corporation Lanham, Maryland Introduction There are clearly identified scientific requirements for continuous profiling of atmospheric water vapor at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site. Research conducted at several laboratories, including our own collaboration in a previous Instrument Development Project for the Atmospheric Radiation Measurement (ARM) Program, has demonstrated the

132

Section 17  

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Cloud-Resolving Model Simulations Conducted Over the Cloud-Resolving Model Simulations Conducted Over the Southern Great Plains Cloud and Radiation Testbed Site J. Dudhia and D.B. Parsons Mesoscale and Microscale Meteorology Division National Center for Atmospheric Research Boulder, Colorado Introduction An Intensive Observation Period (IOP) of the Atmospheric Radiation Measurement (ARM) Program took place at the Southern Great Plains Cloud and Radiation Testbed (CART) site from June 16-26, 1993. The National Center for Atmospheric Research (NCAR)/Penn State Mesoscale Model (MM5) has been used to simulate this period on a 60-km domain with 20- and 6.67-km nests centered on Lamont, OK. Simulations are being run with data assimilation by the nudging technique (Kuo and Guo 1989; Stauffer and Seaman 1990) to incorporate upper-air and

133

1  

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Automated W-Bands/S-Band Radar Profilers Automated W-Bands/S-Band Radar Profilers for the ARM SGP 2001 N. Majurec, A. Khandwalla, and S. M. Sekelsky University of Massachusetts Amherst, Massachusetts L. Li National Aeronautics and Space Administration Goddard Space Flight Center Greenbelt, Maryland C. R. Williams and K. S. Gage National Oceanic and Atmospheric Administration Aeronomy Laboratory Boulder, Colorado Abstract The University of Massachusetts (UMass) and National Oceanic and Atmospheric Administration (NOAA) Aeronomy Laboratory deployed automated vertically profiling radar systems at the U.S. Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) Program Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) facility in Oklahoma for an extended

134

Acronyms  

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Acronyms Acronyms ADEOS Advanced Earth Observing Satellite (Japan) AERONET Aerosol Robotic Network AirMISR Airborne MISR ARM Atmospheric Radiation Measurement Program ASTER Advanced Spaceborne Thermal Emission and Reflection radiometer ATBD Algorithm Theoretical Basis Document AVHRR Advanced Very High Resolution Radiometer AVIRIS Airborne Visible/Infrared Imaging Spectrometer BRDF Bidirectional Reflectance Distribution Function CART Clouds and Radiation Testbed CERES Clouds and the Earth's Radiant Energy System DAAC Distributed Active Archive Center EOS Earth Observing System EOSDIS EOS Data and Information System GCIP GEWEX Continental-Scale International Project GEWEX Global Energy and Water Cycle Experiment GLI Global Imager GOES Geostationary Operational Environmental Satellite

135

feltz-99.PDF  

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

+ GOES Retrievals at the SGP ARM Site: SCM Data + GOES Retrievals at the SGP ARM Site: SCM Data Assimilation and Convective Forecasting Utility W. F. Feltz, R. O. Knuteson, H. E. Revercomb, and H. B. Howell University of Wisconsin-Madison Cooperative Institute for Meteorological Satellite Studies Madison, Wisconsin Introduction Four additional Atmospheric Emitted Radiance Interferometer (AERI) systems have been deployed at the U.S. Department of Energy's (DOE's) Atmospheric Radiation Measurement (ARM) Southern Great Plains Cloud And Radiation Testbed (SGP CART) site boundary facilities. The AERI + GOES (Geostationary Operational Environmental Satellite) temperature and water vapor retrieval product is now operational at Pacific Northwest National Laboratory (PNNL) allowing continuous monitoring of

136

About Radiation  

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

Radiation Radiation What is radiation? Radiation is a form of energy that is a part of our everyday lives. All of us receive a "dose" of radiation each day. Most of the dose comes from naturally occurring radioactive materials such as uranium, thorium, radon, and certain forms of potassium and carbon. The air we breathe contains radon, the food we eat contains uranium and thorium from the soil, and our bodies contain radioactive forms of potassium and carbon. Cosmic radiation from the sun also contributes to our natural radiation dose. We also receive radiation doses from man-made sources such as X-rays, nuclear medical procedures, power plants, smoke detectors and older television sets. Some people, such as nuclear plant operators, flight crews, and nuclear medicine staff may also receive an occupational radiation dose.

137

Danger radiations  

ScienceCinema (OSTI)

Le conférencier Mons.Hofert parle des dangers et risques des radiations, le contrôle des zones et les précautions à prendre ( p.ex. film badge), comment mesurer les radiations etc.

None

2011-04-25T23:59:59.000Z

138

Microsoft Word - Teske-JJ.doc  

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

Analysis of the Corrective Maintenance Analysis of the Corrective Maintenance Records of the ARM SGP CART J. J. Teske Aeromet Corporation Tulsa, Oklahoma J. C. Liljegren and D. L. Sisterson Environmental Research Division Argonne National Laboratory Argonne, Illinois Introduction The primary responsibility of Southern Great Plains (SGP) Site Operations is to operate and maintain the Atmospheric Radiation Measurement (ARM) instruments at the SGP Cloud and Radiation Testbed (CART) facilities. Since 1992, SGP Site Operations has maintained detailed corrective maintenance records for the ARM SGP instruments as part of the SGP Operations and Maintenance Information System (OMIS). These records are available online at http://www.ops.sgp.arm.gov. We analyzed these records back to 1995. They reveal maintenance trends that vary by instrument type, location, and year.

139

zak-98.pdf  

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

1 1 The North Slope of Alaska and Adjacent Arctic Ocean (NSA/AAO) Cart Site Begins Operation: Collaboration with SHEBA and FIRE B. D. Zak, H. Church, M. Ivey, L. Yellowhorse, and J. Zirzow Sandia National Laboratories Albuquerque, New Mexico K. B. Widener, P. Rhodes, C. Turney, and A. Koontz Pacific Northwest National Laboratory Richland, Washington K. Stamnes, R. Storvold, H. A. Eide, and P. Utley Geophysical Institute University of Alaska Fairbanks, Alaska R. Eagan, D. Cook, D. Hart, and M. Wesely Argonne National Laboratory Argonne, Illinois Introduction Since the 1997 Atmospheric Radiation Measurement (ARM) Science Team Meeting, the North Slope of Alaska and Adjacent Arctic Ocean (NSA/AAO) Cloud and Radiation Testbed (CART) site has come into being. Much has happened even since the 1998 Science Team

140

ARMIUnmanned Air VehicielSatellites W. R. Bolton Sandia National Laboratories  

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

VehicielSatellites VehicielSatellites W. R. Bolton Sandia National Laboratories Livermore, CA 94550 Introduction The Atmospheric Radiation Measurement/Unmanned Aerospace Vehicle (ARM/UAV) Program has as a major mission to support the ARM Cloud and Radiation Testbed (CART) sites with an airborne measurement capability. The UA V capability will complement piloted aircraft and supplement the capabilities of ground-based CART instru- ments. The ARM/UAV Program strategy emphasizes meaningful scientific activity embedded in the development activities and has three phases of increasing system capability: .Demonstration flights in the first year emphasize early scientific results and initial operational experience with UAVs in an atmospheric research role. Because of the desire for an early demonstration, this activity will be

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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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141

Poster Sessions B. B. Stankov, E. R. Westwater, J. B. Snider, and J. H. Churnside  

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B. B. Stankov, E. R. Westwater, J. B. Snider, and J. H. Churnside B. B. Stankov, E. R. Westwater, J. B. Snider, and J. H. Churnside National Oceanic and Atmospheric Administration Environmental Research laboratories Environmental Technology(8) laboratory Boulder, CO 80303 Fundamental studies on clouds and radiative transfer require representative measurements of temperature and water vapor profiles. To supplement radiosonde balloon launches, information on vertical profiles of temperature and water vapor at Cloud and Radiation Testbed (CART) sites will be provided by remote sensors. Instruments planned for deployment include wind profilers and Radio Acoustic Sounding Systems (RASS) at 915- and 50-MHz, dual-channel microwave radiometers, and cloud lidars providing cloud base height (Wesely 1992). Future CART instruments may include millimeter wave-

142

knuteson-99.PDF  

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

Observations at the ARM SGP, NSA, Observations at the ARM SGP, NSA, and TWP CART Sites R. O. Knuteson, H. E. Revercomb, F. A. Best, R. G. Dedecker, R. G. Garcia, H. B. Howell, D. C. Tobin, and V. P. Walden Space Science and Engineering Center University of Wisconsin Madison, Wisconsin Introduction A total of eight Atmospheric Emitted Radiance Interferometer (AERI) systems, developed at the University of Wisconsin-Madison Space Science and Engineering Center (UW-SSEC) for the measurement of the downwelling infrared radiance spectrum, have now been deployed at the Atmospheric Radiation Measurement (ARM) Program's Southern Great Plains (SGP), Tropical Western Pacific (TWP), and North Slope of Alaska (NSA) Cloud And Radiation Testbed (CART) sites (Revercomb 1993). In this paper we will review the status and recent results obtained from these AERI

143

lazarus(2)-99.PDF  

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

a Cloud Analysis Package to Estimate a Cloud Analysis Package to Estimate Hydrometeor Advection over the SGP ARM CART S. M. Lazarus, M. E. Splitt, and C. M. Ciliberti University of Utah Salt Lake City, Utah M. A. Miller Brookhaven National Laboratory Upton, New York Introduction The specification of the three-dimensional (3-D) cloud field over the Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) Cloud and Radiation Testbed CART site is a need for the advancement of Single-Column Modeling (SCM) efforts for the ARM Program (Randall et al. 1998). Of particular import is the horizontal advective tendency of condensed water, which heretofore remains unspecified. In addition to the hydrometeor advection, other spatial cloud properties desired by the SCM community include the vertical distribution of cloud fraction, cloud boundaries, and cloud

144

1  

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

Four Years of Continuous Surface Aerosol Measurements Four Years of Continuous Surface Aerosol Measurements from the DOE/ARM Southern Great Plains CART Site P. J. Sheridan, D. J. Delene, and J. A. Ogren Climate Monitoring and Diagnostics Laboratory National Oceanic and Atmospheric Administration Boulder, Colorado D. J. Delene Cooperative Institute for Research in Environmental Sciences University of Colorado Boulder, Colorado Introduction Continuous measurements of the optical and microphysical properties of aerosol particles have been made at the U.S. Department of Energy's (DOE's) Atmospheric Radiation Measurement (ARM) Program Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site covering the 4-year period from July 1996 through June 2000. The Aerosol Observing System (AOS) is housed in a single

145

Empirical assessment of a prismatic daylight-redirecting window film in a full-scale office testbed  

SciTech Connect

Daylight redirecting systems with vertical windows have the potential to offset lighting energy use in deep perimeter zones. Microstructured prismatic window films can be manufactured using low-cost, roll-to-roll fabrication methods and adhered to the inside surface of existing windows as a retrofit measure or installed as a replacement insulating glass unit in the clerestory portion of the window wall. A clear film patterned with linear, 50-250 micrometer high, four-sided asymmetrical prisms was fabricated and installed in the south-facing, clerestory low-e, clear glazed windows of a full-scale testbed facility. Views through the film were distorted. The film was evaluated in a sunny climate over a two-year period to gauge daylighting and visual comfort performance. The daylighting aperture was small (window-towall ratio of 0.18) and the lower windows were blocked off to isolate the evaluation to the window film. Workplane illuminance measurements were made in the 4.6 m (15 ft) deep room furnished as a private office. Analysis of discomfort glare was conducted using high dynamic range imaging coupled with the evalglare software tool, which computes the daylight glare probability and other metrics used to evaluate visual discomfort. The window film was found to result in perceptible levels of discomfort glare on clear sunny days from the most conservative view point in the rear of the room looking toward the window. Daylight illuminance levels at the rear of the room were significantly increased above the reference window condition, which was defined as the same glazed clerestory window but with an interior Venetian blind (slat angle set to the cut-off angle), for the equinox to winter solstice period on clear sunny days. For partly cloudy and overcast sky conditions, daylight levels were improved slightly. To reduce glare, the daylighting film was coupled with a diffusing film in an insulating glazing unit. The diffusing film retained the directionality of the redirected light spreading it within a small range of outgoing angles. This solution was found to reduce glare to imperceptible levels while retaining for the most part the illuminance levels achieved solely by the daylighting film.

Thanachareonkit, Anothai; Lee, Eleanor S.; McNeil, Andrew

2013-08-31T23:59:59.000Z

146

Plasma Radiation  

Science Journals Connector (OSTI)

... JUST over ten years ago the first book on plasma physics as a subject in its own right appeared; in a gradually swelling stream ... been surprisingly few monographs. One topic which has had scant coverage in any form is plasma radiation (except for spectral-line radiation which has been dealt with very fully in ...

T. J. M. BOYD

1967-07-01T23:59:59.000Z

147

Posters  

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1 1 Posters On the Fundamental Role of Tropospheric Radiative Cooling on the Diurnal Cycle of Intense Tropical Convection W. M. Gray, J. D. Sheaffer, and W. Thorson Department of Atmospheric Science Colorado State University Ft. Collins, Colorado Summary The atmosphere performs a day versus night (DVN) radiation experiment for us each 24 hours; we should attempt to study and learn from this ever-repeating DVN cycle of radiative cooling. The Atmospheric Radiation Measurement (ARM) Cloud and Radiation Testbed (CART) tropical western Pacific (TWP) experiment presents an ideal opportunity for the study of these radiatively induced diurnal variations. Introduction Any systematic misrepresentation of the diurnally varying distribution of cloudiness type, amount, and related radiative

148

Section 79  

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

7 7 Performance of the Mini-MOPA, CO Doppler, 2 Cloud Lidar at CART J. M. Intrieri and W. L. Eberhard NOAA, Environmental Technology Laboratory Boulder, Colorado W. A. Brewer Cooperative Institute for Research in Environmental Sciences University of Colorado/NOAA, Environmental Technology Laboratory Boulder, Colorado Introduction The Environmental Technology Laboratory (ETL) mini- Master Oscillator Power Amplifier (MOPA) Doppler lidar was successfully deployed and demonstrated during the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) 1996 Spring Intensive Observation Period (IOP). The project objective was to develop and demonstrate a bread-board version of a CO Doppler lidar (operating in the 2 thermal infrared [IR]) that could eventually be engineered as

149

1  

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

Optical Depths and Liquid Water Paths Optical Depths and Liquid Water Paths at the NSA CART J. C. Doran, J. C. Barnard, and S. Zhong Pacific Northwest National Laboratory Richland, Washington C. J. Jakob European Centre for Medium-Range Weather Forecasts Reading, England Introduction As part of our efforts to characterize the cloud properties at the North Slope of Alaska (NSA) Cloud and Radiation Testbed (CART), we have used microwave radiometers (MWRs) and multi-filter rotating shadowband radiometers (MFRSRs) at Barrow (a coastal site) and Atqasuk (an inland site) to measure liquid water paths (LWPs) and cloud optical depths ( ) during the period June through September 1999. In addition to developing a climatology of cloud properties at the two sites, which will require the

150

X:\ARM_19~1\P355-365.WPD  

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

Solar Semidiurnal Tidal Wind Oscillations Solar Semidiurnal Tidal Wind Oscillations Above the CART Site C. D. Whiteman and X. Bian Pacific Northwest National Laboratory Richland, Washington Harmonic analysis of wintertime data from 915- and of vector winds. A harmonic analysis was then performed 404-MHz radar wind profilers at four sites in North for the u- and v-components of the 24 vectors in the cross America has identified coherent semidiurnal wind section for each range gate. The semidiurnal wind oscillations through the entire depth of the troposphere. amplitudes and phases obtained from this analysis were These winds are readily apparent above the Cloud and consistent from site to site, despite widely differing Radiation Testbed (CART) site, as evidenced from geography and topography at the four sites. The coherent

151

ANI Testbed Phase 3  

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

3x40GE 1x40GE nersc-ssdpt-1 NICs: 1x40G Mellanox nersc-ssdpt-2 NICs: 3x40G Mellanox Dedicated 100G Network exoGENI Rack 1x40GE 1x40GE 10GE (MM) (coming soon) (coming soon)...

152

Regional Algal Feedstock Testbed  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

for Collaboration * Production of algal biomass for a variety of applications - Fuel - Feed - High value Products * Cultivation of genetically modified algae * Design and...

153

Magellan Instant Camera testbed  

E-Print Network (OSTI)

The Magellan Instant Camera (MagIC) is an optical CCD camera that was built at MIT and is currently used at Las Campanas Observatory (LCO) in La Serena, Chile. It is designed to be both simple and efficient with minimal ...

McEwen, Heather K. (Heather Kristine), 1982-

2004-01-01T23:59:59.000Z

154

Radiation dosimeter  

DOE Patents (OSTI)

A radiation detector readout circuit is provided which produces a radiation dose-rate readout from a detector even though the detector output may be highly energy dependent. A linear charge amplifier including an output charge pump circuit amplifies the charge signal pulses from the detector and pumps the charge into a charge storage capacitor. The discharge rate of the capacitor through a resistor is controlled to provide a time-dependent voltage which when integrated provides an output proportional to the dose-rate of radiation detected by the detector. This output may be converted to digital form for readout on a digital display.

Fox, Richard J. (Oak Ridge, TN)

1983-01-01T23:59:59.000Z

155

Radiation dosimeter  

DOE Patents (OSTI)

A radiation detector readout circuit is provided which produces a radiation dose-rate readout from a detector even through the detector output may be highly energy dependent. A linear charge amplifier including an output charge pump circuit amplifies the charge signal pulses from the detector and pumps the charge into a charge storage capacitor. The discharge rate of the capacitor through a resistor is controlled to provide a time-dependent voltage which when integrated provides an output proportional to the dose-rate of radiation detected by the detector. This output may be converted to digital form for readout on a digital display.

Fox, R.J.

1981-09-01T23:59:59.000Z

156

Appendix G. Radiation Appendix G. Radiation  

E-Print Network (OSTI)

-made sources. People are exposed to naturally occurring radiation constantly. For example, cosmic radiation of radiation and its effects on the environment and biological systems. Radiation comes from natural and humanAppendix G. Radiation #12;#12;Appendix G. Radiation This appendix presents basic facts about

Pennycook, Steve

157

Section 117  

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

Validation of GOES-7 to a Radiation Budget for April and Validation of GOES-7 to a Radiation Budget for April and July 1994 ARM/IOP Using ScaRaB/Meteor-3/7 Data A. Trishchenko and Z. Li Canada Centre for Remote Sensing Ottawa, Ontario, Canada Abstract Data from the ScaRaB radiometer flown on board the Meteor- 3/7 satellite were employed for validating a TOA Earth radiation budget product generated from GOES-7 for the Atmospheric Radiation Measurement (ARM) Program. Com- parisons were made between coincident and collocated short- wave and long-wave radiative quantities derived from ScaRaB and GOES sensors over the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site in Oklahoma, U.S.A., during April and July 1994. Calibrations for both visible and infrared window channels appear to be adequate, but narrow- to broad-band conversion of short-wave measure-

158

Cloudy Skies  

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

Analysis of Cloud Radiative Forcing andFeedback Analysis of Cloud Radiative Forcing andFeedback in a Climate General Circulation Model A. A. lacis NASA Goddard Space Flight Center Institute for Space Studies New York, NY 10225 The principal objectives of the Atmospheric Radiation Measurement (ARM) Program research at the Goddard Institute for Space Studies (GISS) are 1) to improve and validate the radiation parameterizations in the GISS general circulation model (GCM) through model intercomparisons with line-by-line calculations and through comparisons with ARM observations, 2) to improve the GCM diagnostic output to enable more effective comparisons to global cloud/radiation data sets, and 3) to use ARM Cloud and Radiation Testbed (CART) data to develop improved parameterization of clouds in the GCM and to study the

159

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

160

baer-98.pdf  

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

Regional (Subgrid) Scale Variability and Sensitivity Regional (Subgrid) Scale Variability and Sensitivity of Longwave Radiative Heating (a) F. Baer, J. Zhao, and R. G. Ellingson Department of Meteorology University of Maryland, College Park College Park, Maryland Introduction Following on the work of Ellingson et al. (1991), we noted (Baer et al. 1996) a strong impact on the thermal field in the global scales of climate prediction due to longwave radiation. This observation was based on sensitivity studies with longwave radiation column models (LWRM) currently used in atmospheric global climate models (AGCMs). Because these effects may also occur at the regional scale, we have investigated this over the Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site, which corresponds

Note: This page contains sample records for the topic "radiation testbed cart" 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

Section 36  

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

Operation of Atmospheric Radiation Measurement Operation of Atmospheric Radiation Measurement Radiation Instruments in Fairbanks to Evaluate Performance in a Cold Environment E. Leontieva, K. Stamnes, A. Alkezweeny Geophysical Institute University of Alaska Fairbanks, Alaska B.D. Zak Sandia National Laboratories Albuquerque, New Mexico Introduction The North Slope of Alaska (NSA) is an area with an adverse and severe climatological environment. Harsh weather conditions in the Arctic offer unique challenges for data collection. ifficulties associated with working in a remote locale will further complicate taking the standard radiation measurements at the NSA/AAO Cloud and Radiation Testbed (CART) site. Equipment must survive low temperatures and extended periods during which maintenance will be difficult. Since the temperature in

162

Radiation Protection Act (Pennsylvania)  

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

This Act combines the radiation safety provisions of The Atomic Energy Development and Radiation Control Act and the Environmental Radiation Protection Act, and empowers the Department of...

163

Radiation protection: Natural radiation risks  

Science Journals Connector (OSTI)

... radiation to which humans are exposed consists of four components - cosmic, gamma, internal, radon. The relative contribution that each makes to the sum is shown in the chart. ... but exposure of the whole body to terrestrial gamma rays and of the lungs to radon daughters are influenced by the nature and location of housing. Gamma rays are emitted ...

M. C. O'Riordan

1983-11-17T23:59:59.000Z

164

Atmospheric Radiation Measurement Program facilities newsletter, January 2000  

SciTech Connect

The subject of this newsletter is the ARM unmanned aerospace vehicle program. The ARM Program's focus is on climate research, specifically research related to solar radiation and its interaction with clouds. The SGP CART site contains highly sophisticated surface instrumentation, but even these instruments cannot gather some crucial climate data from high in the atmosphere. The Department of Energy and the Department of Defense joined together to use a high-tech, high-altitude, long-endurance class of unmanned aircraft known as the unmanned aerospace vehicle (UAV). A UAV is a small, lightweight airplane that is controlled remotely from the ground. A pilot sits in a ground-based cockpit and flies the aircraft as if he were actually on board. The UAV can also fly completely on its own through the use of preprogrammed computer flight routines. The ARM UAV is fitted with payload instruments developed to make highly accurate measurements of atmospheric flux, radiance, and clouds. Using a UAV is beneficial to climate research in many ways. The UAV puts the instrumentation within the environment being studied and gives scientists direct measurements, in contrast to indirect measurements from satellites orbiting high above Earth. The data collected by UAVs can be used to verify and calibrate measurements and calculated values from satellites, therefore making satellite data more useful and valuable to researchers.

Sisterson, D.L.

2000-02-16T23:59:59.000Z

165

X:\ARM_19~1\P245-258.WPD  

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.5 .5 S latitude, 152 E longitude). 4.7Wm 2 sr 1 Session Papers 245 The Optical Properties of Equatorial Cirrus in the Pilot Radiation Observation Experiment C. M. R. Platt, S. A. Young, P. Manson, G. R. Patterson, and S. Marsden CSIRO, Division of Atmospheric Research Aspendale, Victoria, Australia Introduction The development of a sensitive filter radiometer for the Atmospheric Radiation Measurement (ARM) Program has been reported by Platt et al. (1994, 1995). The aim was to develop a reliable and fast instrument that could be used alongside a lidar to obtain near realtime optical properties of clouds, particularly high ice clouds, as they drifted over an ARM Cloud and Radiation Testbed (CART) site allowing calculation of the radiation divergence in the atmosphere over the site. Obtaining cloud optical

166

Radiating gravastars  

SciTech Connect

Considering a Vaidya exterior spacetime, we study dynamical models of prototype gravastars, made of an infinitely thin spherical shell of a perfect fluid with the equation of state p = ?, enclosing an interior de Sitter spacetime. We show explicitly that the final output can be a black hole, an unstable gravastar, a stable gravastar or a 'bounded excursion' gravastar, depending on how the mass of the shell evolves in time, the cosmological constant and the initial position of the dynamical shell. This work presents, for the first time in the literature, a gravastar that emits radiation.

Chan, R. [Coordenação de Astronomia e Astrofísica, Observatório Nacional, Rua General José Cristino, 77, São Cristóvão 20921-400, Rio de Janeiro, RJ (Brazil); Silva, M.F.A. da [Departamento de Física Teórica, Instituto de Física, Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier 524, Maracanã 20550-900, Rio de Janeiro - RJ (Brazil); Rocha, Jaime F. Villas da [Instituto de Biociências, Departamento de Ciências Naturais, Universidade Federal do Estado do Rio de Janeiro, Av. Pasteur 458, Urca, CEP 22290-240, Rio de Janeiro, RJ (Brazil); Wang, Anzhong, E-mail: chan@on.br, E-mail: mfasnic@gmail.com, E-mail: jfvroch@pq.cnpq.br, E-mail: anzhong_wang@baylor.edu [GCAP-CASPER, Department of Physics, Baylor University, Waco, TX 76798 (United States)

2011-10-01T23:59:59.000Z

167

Natural and Radiation Carcinogenesis in Man. III. Radiation Carcinogenesis  

Science Journals Connector (OSTI)

...mice. NATURAL AND RADIATION CARCINOGENESIS IN MAN. 3. RADIATION CARCINOGENESIS. | Journal Article | Japan Neoplasms etiology Neoplasms, Radiation-Induced Radiation Genetics | JAPAN NEOPLASM ETIOLOGY NEOPLASMS, RADIATION-INDUCED RADIATION...

1965-01-01T23:59:59.000Z

168

Adaptors for radiation detectors  

DOE Patents (OSTI)

Described herein are adaptors and other devices for radiation detectors that can be used to make accurate spectral measurements of both small and large bulk sources of radioactivity, such as building structures, soils, vessels, large equipment, and liquid bodies. Some exemplary devices comprise an adaptor for a radiation detector, wherein the adaptor can be configured to collimate radiation passing through the adapter from an external radiation source to the radiation detector and the adaptor can be configured to enclose a radiation source within the adapter to allow the radiation detector to measure radiation emitted from the enclosed radiation source.

Livesay, Ronald Jason

2014-04-22T23:59:59.000Z

169

Radiation Safety  

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

Brotherhood of Locomotive Brotherhood of Locomotive Engineers & Trainmen Scott Palmer BLET Radiation Safety Officer New Hire Training New Hire study topics * GCOR * ABTH * SSI * Employee Safety * HazMat * Railroad terminology * OJT * 15-week class * Final test Hazardous Materials * Initial new-hire training * Required by OSHA * No specified class length * Open book test * Triennial module Locomotive Engineer Training A little bit older...a little bit wiser... * Typically 2-4 years' seniority * Pass-or-get-fired promotion * Intensive program * Perpetually tested to a higher standard * 20 Weeks of training * 15 of that is OJT * General Code of Operating Rules * Air Brake & Train Handling * System Special Instructions * Safety Instructions * Federal Regulations * Locomotive Simulators * Test Ride * Pass test with 90% Engineer Recertification

170

Posters Parameterization of Thin Mid-Level Stratiform Clouds  

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

1 1 Posters Parameterization of Thin Mid-Level Stratiform Clouds S. K. Krueger Department of Meteorology University of Utah Salt Lake City, Utah Thin mid-level stratiform ("altocumulus") clouds have received little attention from either modelers or observational programs, yet these clouds cover large portions of the earth and significantly affect the radiation fields. Since altocumulus are vertically sub-grid scale in general circulation models (GCMs), they have either been neglected or represented implicitly through a "fractional cloudiness" scheme. Such schemes are not suitable for climate modeling because they lack theoretical foundations that indicate their limits of applicability. The Atmospheric Radiation Measurement (ARM) Cloud and Radiation Testbed (CART) program offers an

171

ARM - Publications: Science Team Meeting Documents  

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

Combination of Temperature and Humidity Profiles from a Scanning 5-mm Combination of Temperature and Humidity Profiles from a Scanning 5-mm Radiometer and MWR-Scaled Radiosondes During the 1999 Winter NSA/AAO Radiometer Experiment Westwater, E.R.(a), Leuski, V.(a), and Racette, P.(b), CIRES, University of Colorado/NOAA-ETL (a), NASA/ Goddard Space Flight Center (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting A scanning 5-mm-wavelength radiometer was deployed during an Intensive Operating Periods (IOP) at the Atmospheric Radiation Measurement Program's Cloud and Radiation Testbed (CART) facilities. at the North Slope of Alaska/Adjacent Arctic Ocean site near Barrow, Alaska, during March of 1999. One goal was to evaluate the ability of an oxygen-band 5-mm microwave radiometer for measuring sharp temperature inversions that are typical

172

Section 113  

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0°S 0°S 10°N 135°E 150°W Session Papers (a) Mail Stop D407, P.O. Box 1663, 505-667-1186, twppo@lanl.gov. 513 Figure 1. Equatorial Western Pacific region showing TWP locale (dashed area) and proposed Atmospheric and Radiation Cloud Station (ARCS) sites (circles). Tropical Western Pacific Program: Status Report W. E. Clements and F. J. Barnes Tropical Western Pacific Program Office (a) University of California, Los Alamos National Laboratory Los Alamos, New Mexico Introduction The Tropical Western Pacific (TWP) locale is the second Cloud and Radiation Testbed (CART) locale to be imple- mented by the Atmospheric Radiation Measurement (ARM) Program. It is a large expanse of tropical ocean and maritime continent lying roughly between and latitude and from to longitude (Figure 1). The maritime

173

Section 21  

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Figure 1. Location of the GPS observation network, and Figure 1. Location of the GPS observation network, and the domain for the MM5 PW data assimilation experiment. Assimilation of Precipitable Water Observations During the Atmospheric Radiation Measurement Program Water Vapor Intensive Observation Period September 1996 Y-R Guo, Y-H Kuo, J. Dudhia and D. B. Parsons National Center for Atmospheric Research Boulder, Colorado Introduction In the development of an Integrated Data Assimilation and Sounding System (IDASS) in support of the Atmospheric Radiation Measurement (ARM) Program, assimilation of the Global Positioning System (GPS) precipitable water (PW) data collected in the Water Vapor Intensive Observation Period (WVIOP) of September 1996 over the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site is one

174

P:\JODI\PGS77-91.WPD  

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

Data Assimilation of a Ten-Day Period During June Data Assimilation of a Ten-Day Period During June 1993 Over the Southern Great Plains Site Using a Nested Mesoscale Model J. Dudhia and Y.-R. Guo Mesoscale and Microscale Meteorology Division National Center for Atmospheric Research Boulder, Colorado Introduction A goal of the Atmospheric Radiation Measurement (ARM) Program has been to obtain a complete representation of physical processes on the scale of a general circulation model (GCM) grid box in order to better parameterize radiative processes in these models. Since an observational network of practical size cannot be used alone to characterize the Cloud and Radiation Testbed (CART) site's 3D structure and time development, data assimilation using the enhanced observations together with a mesoscale model is used to give a full 4D analysis at

175

Measurements of the Infrared SpectraLines of Water Vapor at Atmospheric Temperatures  

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Measurements of the Infrared Spectral Lines Measurements of the Infrared Spectral Lines of Water Vapor at Atmospheric Temperatures P. Varanasi and Q. Zou Institute for Terrestrial and Planetary Atmospheres State University of New York at Stony Brook Stony Brook, New York Introduction Water vapor is undoubtedly the most dominant greenhouse gas in the terrestrial atmosphere. In the two facets of Atmospheric Radiation Measurement (ARM) Program research, atmospheric remote sensing (air-borne as well as Cloud and Radiation Testbed [CART] site-based) and modeling of atmospheric radiation, the spectrum of water vapor, ranging from the microwave to the visible wavelengths, plays a significant role. Its spectrum has been the subject of many studies throughout the last century. Therefore, it is natural to presume it should be fairly well established by now. However, the need for a

176

Section 43  

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i i ' A i (R i&1 ) % v i < i (z,t) ' j 6 k Z k (z) @ 8 k 1 % 8 k 2 @ sin 2Bi)t 24 % 8 k 3 @ cos 2Bi)t 24 . Session Papers 189 (1) (2) Single Column Variational Assimilation Experiments with Atmospheric Radiation Measurement Data J.-F. Louis and M. ðivkoviƒ Atmospheric and Environmental Research, Inc. Cambridge, Massachusetts In this paper we present results of variational data assimilation One can symbolically write the modified forecast model equa- experiments using Atmospheric Radiation Measurement tions representing the step from time t to t as (ARM) observations over the Southern Great Plains Cloud and Radiation Testbed (CART) Site. Large scale forcing for the single column ALFA model (AER Local Forecast and Assimilation model) is provided by data from the Mesoscale where A is the nonlinear model operator acting upon the gen-

177

splitt(2)-99.PDF  

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

Improvement in the Assessment of SIRS Broadband Improvement in the Assessment of SIRS Broadband Longwave Radiation Data Quality M. E. Splitt University of Utah Salt Lake City, Utah C. P. Bahrmann Cooperative Institute for Meteorological Satellite Studies University of Oklahoma Norman, Oklahoma Introduction Validation of the performance of the Solar Infrared Station (SIRS) pyrgeometers is being conducted for the Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP). Cloud and Radiation Testbed (CART) site extended facilities (EFs). Improvements to this effort include comparison of the downwelling longwave irradiance to estimates from several published algorithms based on surface meteorological conditions (including temperature, vapor pressure, and the clearness index). The algorithms provide estimates for clear skies, overcast skies, and all-sky conditions (during daylight

178

Posters Atmospheric Emitted Radiance Interferometer: Status and Water Vapor Continuum Results  

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9 9 Posters Atmospheric Emitted Radiance Interferometer: Status and Water Vapor Continuum Results H. E. Revercomb, R. O. Knuteson, W. L. Smith, F. A. Best, and R. G. Dedecker University of Wisconsin Madison, Wisconsin H. B. Howell National Oceanic and Atmospheric Administration Systems Design and Applications Branch Madison, Wisconsin Introduction Accurate and spectrally detailed observations of the thermal emission from radiatively important atmospheric gases, aerosols, and clouds are now being provided to the Atmospheric Radiation Measurement (ARM) data base by the Atmospheric Emitted Radiance Interferometer (AERI) prototype at the Southern Great Plains Cloud and Radiation Testbed (CART) site. Spectra over the range from 520 to 3000 cm -1 (3 to 19 microns) with a resolution of 0.5 cm

179

ARM - Publications: Science Team Meeting Documents  

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

Improved Retrieval Of Cloud Liquid Water Path For ARM Microwave Improved Retrieval Of Cloud Liquid Water Path For ARM Microwave Radiometers Liljegren, J.C., Ames Laboratory Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Atmospheric Radiation Measurement (ARM) Program has deployed dual-frequency microwave water radiometers (MWRs) at its Cloud and Radiation Testbed (CART) sites in the U. S. Southern Great Plains (SGP), the Tropical Western Pacific (TWP), and the North Slope of Alaska/Adjacent Arctic Ocean (NSA/AAO). Although the integrated water vapor amount provided by these instruments has enjoyed increasing application, the primary purpose of these instruments has been to provide measurements of the integrated liquid water path in clouds. The liquid water path measurements have been widely used by ARM investigators to test cloud life cycle

180

Posters  

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3 3 Posters Single-Column Data Assimilation for the Atmospheric Radiation Measurement Program J-F. Louis and M. Zivkovic, Atmospheric and Environmental Research, Inc. Cambridge, Massachusetts The goal of our work is to develop a data assimilation system that will use as much of the Atmospheric Radiation Measurement (ARM) data as possible and will provide a continuous description of the atmosphere over the Cloud and Radiation Testbed (CART) site. This would be useful for initializing and validating single-column models. We use a variational data assimilation method. The analysis is defined as the state of the atmosphere which, over a given analysis period, is closest to the observations, weakly constrained by the equations of a model. We use a single-column model, the AER Local Forecast and

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181

X:\ARM_19~1\P245-258.WPD  

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Atmospheric Emitted Radiance Interferometer (AERI): Atmospheric Emitted Radiance Interferometer (AERI): Status and the Aerosol Explanation for Extra Window Region Emissions H. E. Revercomb, R. O. Knuteson, F. A. Best, T. P. Dirkx, R. G. Dedecker, R. Garcia, B. A. Whitney, and W. L. Smith University of Wisconsin Madison, Wisconsin H. B. Howell NOAA Systems Design and Applications Branch Boulder, Colorado Introduction High spectral resolution observations of downwelling emission from 3 to l9 microns have been made by the Atmospheric Emitted Radiance Interferometer (AERI) Prototype at the Southern Great Plains (SGP) Cloud and Radiative Testbed (CART) site for over two years. The spectral data set from AERI provides a basis for improving clear sky radiative transfer; determining the radiative impact of clouds, including the derivation of cloud

182

1  

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

Surface Energy Budget Surface Energy Budget Measurements from Nauru99 C. W. Fairall, J. E. Hare, A. A. Grachev, and A. B. White National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado Introduction The National Oceanic and Atmospheric Administration (NOAA) research vessel (R/V) Ronald H. Brown conducted a series of measurements in transit to and in the vicinity of the U.S. Department of Energy (DOE) Cloud and Radiation Testbed (CART) site on Nauru in June-July 1999 as part of a joint NOAA-Atmospheric Radiation Measurement (ARM) Program intensive study of air-sea interaction and cloud/radiative processes in the tropical western Pacific. This cruise, which has been designated Nauru99, was a follow-up to an earlier study at Manus Island (Post et al. 1997). Also participating in

183

Zou-Q  

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Measurements of the Infrared Spectral Lines of Water Measurements of the Infrared Spectral Lines of Water Vapor at Atmospheric Temperatures Q. Zou, C. Sun, and P. Varanasi Institute for Terrestrial and Planetary Atmospheres State University of New York at Stony Brook Stony Brook, New York Introduction Water vapor is undoubtedly the most dominant greenhouse gas in the terrestrial atmosphere. In the two facets of the Atmospheric Radiation Measurement (ARM) Program's research, atmospheric remote sensing (air-borne as well as Cloud and Radiation Testbed [CART]-site based) and modeling of atmospheric radiation, the spectrum of water vapor, ranging from the microwave to the visible wavelengths, plays a significant role. Its spectrum has been the subject of many studies throughout the last century. Therefore, it is natural to presume it should be fairly well established by now. However,

184

1  

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

Climatology of the North Slope of Alaska Climatology of the North Slope of Alaska and the Adjacent Arctic Ocean C. Marty, R. Storvold, and X. Xiong Geophysical Institute University of Alaska Fairbanks, Alaska K. H. Stamnes Stevens Institute of Technology Hoboken, New Jersey B. D. Zak Sandia National Laboratories Albuquerque, New Mexico Introduction Recent climate modeling results point to the Arctic as a region that is particularly sensitive to global climate change (e.g., IPCC 1997). The North Slope of Alaska-Adjacent Arctic Ocean (NSA-AAO) Cloud and Radiation Testbed (CART) sites of the Atmospheric Radiation Measurement (ARM) Program are designed to collect data on temperature-ice-albedo and water vapor-cloud-radiation feedbacks are believed to be important to the predicted global warming (Stamnes et al. 1999). The main goals of the

185

Four-Dimensional Data Assimilation J.-F. Louis Atmospheric and Environmental Research, Inc.  

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J.-F. Louis J.-F. Louis Atmospheric and Environmental Research, Inc. Cambridge, MA 02139 The main purpose of the ARM program is to provide the necessary data to develop, test and validate the parameterization of clouds and of their interactions with the radiation field, and the computation of radiative transfer in climate models. For the most part, however, the ARM observations will be imperfect, incomplete, redundant, indirect, and unrepresentative. This is unavoidable, despite the best efforts at equipping the Cloud and Radiation Testbed (CART) site with the best instruments. To understand these limitations, we must consider the structure of a climate model and the observation constraints. The basic prognostic variables of any climate mode! are atmospheric temperature, horizontal wind components

186

Nuclear radiation electronic gear  

Science Journals Connector (OSTI)

Nuclear radiation electronic gear ... Examines the line of nuclear radiation instrumentation offered by Nuclear-Chicago Corporation and Victoreen Instrument Company. ... Nuclear / Radiochemistry ...

S. Z. Lewin

1961-01-01T23:59:59.000Z

187

Radiation Control (Virginia)  

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

The Department of Health is responsible for regulating radiation and radioactive materials in the Commonwealth of Virginia. Although the Department's Radiation Control Program primarily focuses on...

188

Low Dose Radiation Program: Radiation Biology and the Radiation Research  

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Biology and the Radiation Research Program Biology and the Radiation Research Program The Department of Energy (DOE) and its predecessor organizations, Energy Research and Development Agency (ERDA) and Atomic Energy Commission (AEC), always have been concerned about the health effects of ionizing radiation. Extensive research has been conducted under their sponsorship at all levels of biological organization from molecules to man. Over the past 60 years, studies using every type of radiation source have included exposure to both external radiation sources and to internally deposited radioactive materials. These exposures used different dose patterns and distributions delivered over a wide range of experimental times. This extensive research provided the basis for the new Low Dose Radiation Research Program, linking

189

radiation.p65  

Office of Legacy Management (LM)

5 5 United States Department of Energy This fact sheet explains the potential health hazards associated with the radioactive decay of uranium and other radioactive elements found in ore and mill tailings. Potential Health Hazards of Radiation Man-made sources of radiation, most notably from medical uses and consumer products, contribute to the remaining radiation dose that individuals receive. A few household products, including smoke detectors, micro- wave ovens, and color televisions, emit small amounts of radiation. For most people, the benefits from using such products far outweigh the radiation risks. Radiation Dose Radiation is measured in various units. Individuals who have been exposed to radiation have received a radiation dose. Radiation dose to people is expressed in

190

Radiation Protection and Safety Training | Environmental Radiation...  

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The objective of this course is to provide students with an introduction to the fundamentals of ionizing radiation protection and safety. The course curriculum combines...

191

Atmospheric Radiation Measurement Radiative Atmospheric Divergence...  

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radiation emitted by the earth. This instrument is onboard a European Union geostationary weather satellite launched in December 2005; it is collecting data over Niamey and the...

192

radiation.cdr  

Office of Legacy Management (LM)

Radiation-It's a Fact of Life Radiation-It's a Fact of Life It has been with us since the beginning of time. Everyone who has ever walked on this planet has been exposed to radiation. For the most part, nature is the largest source of exposure. It's in the air we breathe, the ground we walk on, and even the food we eat. The radiation we receive from all natural and some man-made sources is called "background radiation." The millirem (mrem) is a unit used for measuring radiation received by a person. The total average background for radiation received by people living in the United States is 360 millirem per year (mrem/yr), of which 300 mrem/yr is from natural sources, and 60 mrem/yr is man-made. Cosmic Radiation from the sun and stars Internal Radiation from naturally radioactive

193

Plutonium radiation surrogate  

DOE Patents (OSTI)

A self-contained source of gamma-ray and neutron radiation suitable for use as a radiation surrogate for weapons-grade plutonium is described. The source generates a radiation spectrum similar to that of weapons-grade plutonium at 5% energy resolution between 59 and 2614 keV, but contains no special nuclear material and emits little .alpha.-particle radiation. The weapons-grade plutonium radiation surrogate also emits neutrons having fluxes commensurate with the gamma-radiation intensities employed.

Frank, Michael I. (Dublin, CA)

2010-02-02T23:59:59.000Z

194

Section 20  

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Assimilation of June 1993 Intensive Observation Period Assimilation of June 1993 Intensive Observation Period Data and Its Use in Single-Column Climate Modeling J. Dudhia Mesoscale and Microscale Meteorology Division National Center for Atmospheric Research Boulder, Colorado J. C. Petch Climate and Global Dynamics Research National Center for Atmospheric Research Boulder, Colorado Introduction An Intensive Observation Period (IOP) of the Atmospheric Radiation Measurement (ARM) Program took place at the Southern Great Plains Cloud and Radiation Testbed (SGP CART) site from June 16-26, 1993. The National Center for Atmospheric Research (NCAR)/Penn State Mesoscale Model (MM5) has been used to simulate this period on a 60-km domain with a 20- and 6.67-km nests centered on Lamont, Oklahoma. Figure 1a shows the outer two domains, and

195

Instrument Development H. E. Revercomb, F. A. Best, R. G. Dedecker, T. P. Dirkx,  

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

H. E. Revercomb, F. A. Best, R. G. Dedecker, T. P. Dirkx, H. E. Revercomb, F. A. Best, R. G. Dedecker, T. P. Dirkx, R. A. Herbsleb, R. O. Knuteson, J. F. Short, and W. L. Smith University of Wisconsin -Madison Space Science and Engineering Center Madison, WI 53706 Ground-based Folurier Transform infrared (FTIR) instru- ments are being produced at the University of Wisconsin (UW) and the Unliversity of Denver (UD) for the Atmo- spheric Radiation Measurement (ARM) Program's Cloud and Radiation Te:stbed (CART) sites as part of a joint Instrument Development Program (lOP). The three instru- ment types under development are summarized in Table 1 . For each ARM site, the 1 cm-1 resolution Atmospheric Emitted Radiance ilnterferometer (AERI) is expected to be operated both at the central site and at four extended boundary location~; to allow its use for radiometric studies

196

X:\ARM_19~1\P185-192.WPD  

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

Figure 1. Schematic diagram of an operational Figure 1. Schematic diagram of an operational methodology for cloud parameterization testing. The upper portion depicts the data analysis procedure, while the lower portion depicts parameterization forcing and evaluation. A Comparison of Radiometric Fluxes Influenced by Parameterized Cirrus Clouds with Observed Fluxes at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Site G. G. Mace, T. P. Ackerman, and A. T. George Penn State University, Department of Meteorology University Park, Pennsylvania As the data stream from the ARM Southern Great Plains on an hourly basis from the National Meteorological (SGP) site matures, the value of this resource is becoming Center. The MAPS profiles serve as input to a radiative more readily apparent. For the first time, research on the

197

Analysis of Selected Radiosonde Data from the ARM/NSA Site  

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Analysis of Selected Radiosonde Data Analysis of Selected Radiosonde Data from the ARM/NSA Site B. Petracca, H. W. Church, and B. D. Zak Sandia National Laboratories Albuquerque, New Mexico R. Storvold and C. Marty Geophysical Institute University of Alaska Fairbanks, Alaska B. M. Lesht Argonne National Laboratories Argonne, Illinois Introduction The purpose of this study was to analyze differences in temperature and relative humidity (RH) profiles obtained from near-simultaneous radiosonde soundings made from different locations at and near the North Slope of Alaska (NSA) Cloud and Radiation Testbed (CART) site. The data for this study come from the Vaisala RS-80H radiosondes flown by Atmospheric Radiation Measurement (ARM) Program during the comparison periods, and from VIZ B2 radiosondes flown by the National Weather Service

198

liljegren-98.pdf  

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

Improved Retrieval of Cloud Liquid Water Path Improved Retrieval of Cloud Liquid Water Path J. C. Liljegren Ames Laboratory Ames, Iowa Introduction The Atmospheric Radiation Measurement (ARM) Program has deployed dual-frequency microwave water radiometers (MWRs) (Liljegren 1994) at its Cloud and Radiation Testbed (CART) sites in the U. S. Southern Great Plains (SGP), the Tropical Western Pacific (TWP), and the North Slope of Alaska/Adjacent Arctic Ocean (NSA/AAO). Although the integrated water vapor amount provided by these instruments has enjoyed increasing application, the primary purpose of these instruments has been to provide measurements of the integrated liquid water path (LWP) in clouds. Although the LWP measurements have been widely used by ARM investigators, shortcomings in the present statistical

199

moran-99.PDF  

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

Signal Processing Techniques Used in the Signal Processing Techniques Used in the ARM 8-mm Cloud Radars K. P. Moran, R. Lataitis, M. J. Post, B. E. Martner, and D. Welsh National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado D. Strauch Cooperative Institute for Research in the Environmental Sciences Boulder, Colorado K. B. Widener Pacific Northwest National Laboratory Richland, Washington Introduction The Atmospheric Radiation Measurement (ARM) Program's Millimeter Wavelength Cloud Radars (MMCRs) are a new generation of research tools designed to provide high temporal and spacial resolution measurements of the clouds above the Cloud and Radiation Testbed (CART) sites. The last of the four field sites for the MMCRs, located on Manus Island, Papau New Guinea, will be operating in

200

1  

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

LIRAD Analysis of TWP Cirrus at Nauru LIRAD Analysis of TWP Cirrus at Nauru R. T. Austin, C. Mitrescu, and G. L. Stephens Department of Atmospheric Science Colorado State University Fort Collins, Colorado Introduction The purpose of this work is to implement algorithms for retrieval of high-cloud emittance and optical depth using lidar-radiometer (LIRAD) analysis based on available continuous data streams from the Atmospheric Radiation Measurement (ARM) Program's Cloud and Radiation Testbed (CART) sites. Routine, continuous operation of the micropulse lidar (MPL), infrared thermometer (IRT), microwave radiometer (MWR), and frequent sonde soundings should allow for near-continuous retrieval of LIRAD products, subject to time and accuracy limitations described later in this paper. Initial development of

Note: This page contains sample records for the topic "radiation testbed cart" 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

X:\ARM_19~1\P225-243.WPD  

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

5 5 Development and Testing of an Aerosol-Stratus Cloud Parameterization Scheme for Middle and High Latitudes P. Q. Olsson, M. P. Meyers, S. Kreidenweis, and W. R. Cotton Department of Atmospheric Science Colorado State University Fort Collins, Colorado Introduction The aim of this new project is to develop an aerosol/cloud microphysics parameterization of mixed-phase stratus and boundary layer clouds. Our approach is to create, test, and implement a bulk-microphysics/aerosol model using data from Atmospheric Radiation Measurement (ARM) Cloud and Radiation Testbed (CART) sites and large-eddy simulation (LES) explicit bin-resolving aerosol/micro- physics models. The primary objectives of this work are twofold. First, we need the prediction of number con- centrations of activated aerosol which are transferred to the

202

Technical Sessions B. E. Manner National Oceanic and Atmospheric Administration  

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B. E. Manner B. E. Manner National Oceanic and Atmospheric Administration Wave Propagation Laboratory 130ulder, CO 80303 The Atmospheric Radiation Measurement (ARM) pirog ram goals are ambitious, and its schedule is demanding. Many of the instruments, proposed for operations at the first Cloud and Radiation Testbed (CART) site as early alS 1992 represent emerging technology and exist only as :special research prototypes. Therefore, an important preparatory step for ARM was an intensive field project in Colorado in 1991 to assess the suitability of instruments an(j tech- niques for profiling the thermodynamic and kinematic structure of the troposphere and lower stratosphere. The field work was designed to provide ARM with a head start by gathering practical information for the desigln and

203

foote-98.pdf  

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Automated Weather Balloon Radiosonde Automated Weather Balloon Radiosonde Launcher Development J. P. Foote, J. T. Lineberry, and B. R. Thompson ERC, Incorporated Tullahoma, Tennessee Introduction Balloon-borne radiosondes are a primary means used by the Atmospheric Radiation Measurement (ARM) Program to collect atmospheric data. Currently, three radiosondes are launched daily from the Central Facility at the ARM Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site during non-intensive observation periods (IOPs). During IOPs, eight radiosondes are launched daily from the Central Facility and from each of four boundary facilities, for a total of forty daily launches. Launching balloons during IOPs is a major effort, in terms both of logistics and manpower. ERC, Incorporated is currently developing an automated

204

rabbette-98.pdf  

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9 9 Principal Component Analysis of Solar Spectral Irradiance Measurements M. Rabbette and P. Pilewskie NASA-Ames Research Center Moffett Field, California Introduction The National Aeronautical and Space Administration (NASA) Ames Research Center Solar Spectral Flux Radiometer (SSFR) was deployed at the Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) facility during the 1997 Shortwave Intensive Observation Period (SWIOP). It measured the downwelling solar irradiance in the 360-nm to 2500-nm solar spectral region. Over 7000 spectra were acquired between September 17 and October 5 in atmospheric conditions that varied from pristine clear to very thick cloud, accompanied by a five-fold change in column-integrated water vapor (1 cm to 5 cm).

205

Microsoft Word - knuteson-ro.doc  

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

10 Years of AERI Data from the DOE ARM 10 Years of AERI Data from the DOE ARM Southern Great Plains Site R. O. Knuteson, F. A. Best, R. G. Dedecker, W. F. Feltz, H. E. Revercomb, and D. C. Tobin University of Wisconsin-Madison Space Science and Engineering Center Madison, Wisconsin Introduction As of January 2004, the U.S. Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) data archive contained a 10 year record of downwelling infrared (IR) spectral emission measurements at the surface from the atmospheric emitted radiance interferometer (AERI) instrument. The authors have generated a monthly "climatology" of AERI spectral radiances for the 120 months from January 1994 through December 2003 for the DOE ARM Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) central facility (CF) in North Central Oklahoma. This AERI climatology

206

Section 16a  

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9 9 Data Assimilation for the June 1993 Intensive Observation Period at the Southern Great Plains Site J. Dudhia Mesoscale and Microscale Meteorology Division National Center for Atmospheric Research Boulder, Colorado Introduction An Intensive Observation Period (IOP) of the Atmospheric Radiation Measurement (ARM) Program took place at the Southern Great Plains Cloud and Radiation Testbed (CART) site from June 16-26, 1993. The National Center for Atmospheric Research (NCAR)/Penn State Mesoscale Model (MM5) has been used to simulate this The model features and options used in this study are as fol- period on a 60-km domain with 20- and 6.67-km nests lows. Equations are for nonhydrostatic, compressible motion centered on Lamont, OK. Simulations are being run with data

207

Infrared Land Surface Emissivity in the Vicinity of the ARM SGP Central Facility  

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Infrared Land Surface Emissivity in the Vicinity Infrared Land Surface Emissivity in the Vicinity of the ARM SGP Central Facility R. O. Knuteson, R. G. Dedecker, W. F. Feltz, B. J. Osbourne, H. E. Revercomb, and D. C. Tobin Space Science and Engineering Center University of Wisconsin-Madison Madison, Wisconsin Introduction The University of Wisconsin Space Science and Engineering Center (UW-SSEC) has developed, under National Aeronautics and Space Administration (NASA) funding, a model for the infrared land surface emissivity (LSE) in the vicinity of the U.S. Department of Energy's (DOE) Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Central Facility (CF) in North Central Oklahoma. The UW-Madison LSE model is part of the ARM best

208

X:\ARM_19~1\P317-334.WPD  

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Figure 1. Plot of the time of maximum wind speed (UTC) from the low-level jets Figure 1. Plot of the time of maximum wind speed (UTC) from the low-level jets observed using the ARM program 915-MHZ radar wind profiler vs. the height of this maximum wind speed (m). Summertime Low-Level Jets Over the Great Plains D. J. Stensrud NOAA/ERL/National Severe Storms Laboratory Norman, Oklahoma S. Pfeifer University of Oklahoma Norman, Oklahoma Introduction The sky over the southern Great Plains Cloud and Atmospheric Radiation Testbed (CART) site of the Atmospheric Radiation Measurement (ARM) Program during the predawn and early morning hours often is partially obstructed by stratocumulus, stratus fractus, or cumulus fractus that are moving rapidly to the north, even though the surface winds are weak. This cloud movement is evidence of the low-level jet (LLJ), a wind speed

209

Measurement of Boundary-Layer Temperature Profiles by a Scanning 5-MM Radiometer During the 1999 Winter NSA/AAO Radiometer Exp  

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Boundary-Layer Temperature Profiles by Boundary-Layer Temperature Profiles by a Scanning 5-MM Radiometer During the 1999 Winter NSA/AAO Radiometer Experiment and WVIOP 2000 V. Y. Leuski and E. R. Westwater Cooperative Institute for Research in the Environmental Sciences National Oceanic and Atmospheric Administration Environmental Technology Laboratory University of Colorado Boulder, Colorado Introduction A scanning 5-mm-wavelength radiometer was deployed during two Intensive Operational Periods (IOPs) at the Atmospheric Radiation Measurement (ARM) Program's Cloud and Radiation Testbed (CART) facilities. The first was conducted at the North Slope of Alaska (NSA) and Adjacent arctic Ocean (AAO) site near Barrow, Alaska, during March 1999. One goal was to evaluate the ability of an

210

sassen-99.PDF  

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Need for a Universal Cloud Property Algorithm Need for a Universal Cloud Property Algorithm for Active Remote Sensors K. Sassen and Z. Wang University of Utah Salt Lake City, Utah Introduction Lidar and radar measurements of cloud properties (e.g., cloud boundaries, phase, vertically resolved and integrated mass content, optical depth, etc.) are increasingly being relied on in modern climate-related research programs and are a keystone of the Atmospheric Radiation Measurement (ARM) Cloud and Radiation Testbed (CART) atmospheric measurement philosophy, to provide, relatively inexpensively, crucial cloud characterizations on a more or less routine continuous basis. As a result, a variety of data interpretation schemes and specific algorithms have been developed and are being applied to remote sensing data sets, but it must be recognized that a helter-skelter approach involves dangers as well as

211

ARM - Publications: Science Team Meeting Documents  

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5 Science Team Meeting 5 Science Team Meeting 1995 Proceedings Proceedings Sorted by Title Proceedings Sorted by Author Science Team Meeting Proceedings Proceedings of the Fifth Atmospheric Radiation Measurement (ARM) Science Team Meeting ARM-CONF-1995, March 1995 San Diego, California For proper viewing, many of these proceedings should be viewed with Adobe Acrobat Reader. Download the latest version from the Adobe Reader website. View session papers by Author or Title. * Poster abstract only; an extended abstract was not provided by the author(s). A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A Ackerman, T.P. A Boundary-Layer Cloud Study Using Southern Great Plains Cloud and Radiation Testbed (CART) Data A Comparison of Radiometric Fluxes Influenced by Parameterized Cirrus Clouds with Observed Fluxes at the Southern Great Plains (SGP) Cloud

212

Page not found | Department of Energy  

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

31 - 4440 of 26,777 results. 31 - 4440 of 26,777 results. Download 2008_Transition_Budget_Details_Book_Four.pdf http://energy.gov/management/downloads/2008transitionbudgetdetailsbookfourpdf Download EA-1193: Final Environmental Assessment Atmospheric Radiation Measurement (ARM) Program North Slope of Alaska and Adjacent Arctic Ocean Cloud and Radiation Testbed (CART) Site http://energy.gov/nepa/downloads/ea-1193-final-environmental-assessment Download CX-002768: Categorical Exclusion Determination Bonneville Power Administration (BPA) and Puget Sound Energy, Inc. (PSE) Electricity Transmission Transfer Agreement CX(s) Applied: B4.8 Date: 06/09/2010 Location(s): Portland, Oregon Office(s): Bonneville Power Administration http://energy.gov/nepa/downloads/cx-002768-categorical-exclusion-determination

213

sowle-99.PDF  

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Calibration of GRAMS Instrument System Calibration of GRAMS Instrument System Against BORCAL Data D. H. Sowle Mission Research Corporation Santa Barbara, California Abstract Preliminary calibration of whole-sky irradiance for the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site Ground Radiation Measurement System (GRAMS) and GRAMSCAL instruments were carried out relative to Broadband Outdoor Radiometer CALibration (BORCAL) data. Three one-month periods, two with eight days and one with nine days of about 1.5% absolute accuracy BORCAL data are available for comparison under relatively clear-sky conditions. GRAMS data is at hand for all three of these periods and GRAMSCAL data is available for two of them. Simple calibration functions are obtained that yield irradiance accurate to 5% or better for both instruments as

214

Interactions Between the Daytime Mixed Layer and the Surface: Oklahoma Mesonet and EBBR Heat Fluxes  

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Interactions Between the Daytime Mixed Layer Interactions Between the Daytime Mixed Layer and the Surface: Oklahoma Mesonet and EBBR Heat Fluxes R. L. Coulter Argonne National Laboratory Argonne, Illinois Introduction Surface layer estimates of surface sensible heat flux have been made at 10 - 14 locations within the Central Facility (CF) of the Southern Great Plains (SGP) Atmospheric Radiation Measurement (ARM) Program site by using energy balance Bowen ratio (EBBR) stations located mostly in uncultivated areas. The advent of the Oklahoma Mesonet (OKM) with approximately 50 stations within the boundaries of the Cloud and Radiation Testbed (CART) site that measure a variety of meteorological parameters leads to the possibility of using the OKM to provide additional estimates of surface energy budget to augment

215

1  

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SGP Site Scientist Team and ARM Data Quality Office SGP Site Scientist Team and ARM Data Quality Office SGP Data Quality Assessment Activities: A New Approach C. P. Bahrmann, R. A. Peppler, K. Sonntag, and A. Dean Cooperative Institute for Mesoscale Meteorological Studies University of Oklahoma Norman, Oklahoma Introduction A primary task of the Site Scientist Team (SST) of the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site is to analyze and assess the quality of various SGP data streams. The opening of the Atmospheric Radiation Measurement (ARM) Program Data Quality Office (DQO) allowed for a cooperative effort between the SGP SST, Instrument Mentors (IM), and DQO. This approach led to the development of new tools for assessing data quality, reporting problems, and issuing

216

ARM - Publications: Science Team Meeting Documents  

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

Raman Lidar Characterization of the Vertical Variability of Aerosols and Raman Lidar Characterization of the Vertical Variability of Aerosols and Water Vapor Over the SGP Ferrare, R.A. (a), Turner, D.D. (b,g), Brasseur, L.H. (c), Tooman, T.P. (d), Dubovik, O. (e), Goldsmith, J.E.M. (d), Ogren, J.A. (f), and Feltz, W. (g), NASA Langley Research Center (a), Pacific Northwest National Laboratory (b), Science Applications International Corporation/NASA/LaRC (c), Sandia National Laboratories (d), SSAI/NASA Goddard Space Flight Center (e), NOAA Climate Monitoring and Diagnostics Laboratory (f), University of Wisconsin-Madison (g) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The automated Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Raman Lidar routinely measures profiles of water vapor mixing ratio,

217

splitt(2)-98.pdf  

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

9 9 Continued Assessment of WSR-88D Wind Data to Support ARM Single-Column Model IOPs M. E. Splitt Cooperative Institute for Mesoscale Meteorological Studies University of Oklahoma Norman, Oklahoma Introduction WSR-88D radar wind data from radars within the Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site are used to provide vertical wind profiles of the horizontal wind and divergence. Assessment of the utility of this data is conducted as well as made available for use by the ARM scientific community. WSR-88D Data Availability Radar data from selected intensive observation periods (IOPs) are being acquired at the Cooperative Institute for Mesoscale Meteorological Studies (CIMMS). Processed radar data are available via http://mana-tee.gcn.ou.edu/

218

1  

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

Examination of Island Effects on Near-Surface Examination of Island Effects on Near-Surface Bulk Meteorology and Air-Sea Fluxes from the Nauru99 Field Program C. W. Fairall and M. J. Post National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado J. E. Hare, A. B. White, and A. A. Grachev Cooperative Institute for Research in Environmental Sciences University of Colorado and National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado Introduction The National Oceanic and Atmospheric Administration (NOAA) research vessel Ronald H. Brown conducted a series of measurements in transit to and in the vicinity of the U.S. Department of Energy's Atmospheric Radiation Measurement (DOE/ARM) Program's Cloud and Radiation Testbed (CART)

219

X:\ARM_19~1\PGS77-91.WPD  

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

Comparison of Mean Properties of Simulated Comparison of Mean Properties of Simulated Convection in a Cloud-Resolving Model with Those Produced by Cumulus Parameterization J. Dudhia Mesoscale and Microscale Meteorology Division National Center for Atmospheric Research Boulder, Colorado D. B. Parsons Atmospheric Technology Division National Center for Atmospheric Research Boulder, Colorado Introduction An Intensive Observation Period (IOP) of the Atmospheric Radiation Measurement (ARM) Program took place at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site from June 16-26, 1993. The National Center for Atmospheric Research (NCAR)/Penn State Mesoscale Model (MM5) has been used to simulate this period on a 60-km domain with 20- and 6.67-km nests centered on Lamont, Oklahoma. Simulations are being run with data assimilation by the

220

ARM - Publications: Science Team Meeting Documents  

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

Particle Size Distributions Estimated During the 2001 Multi-Frequency Radar Particle Size Distributions Estimated During the 2001 Multi-Frequency Radar IOP Williams, C.R.(a) and Sekelsky, S.M.(b), University of Colorado at Boulder (a), University of Massachusetts at Amherst (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The 2001 Multi-Frequency Radar Intensive Operational Period (IOP) was designed to collect a long dataset of W-band (95 GHz), Ka-band (35 GHz), and S-band (2.8 GHz) vertical profiling observations to investigate insect scattering and precipitating particle scattering above the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site. The 95 and 2.8 GHz vertically pointing radars were placed next to the permanently installed 35 GHz Millimeter Wave Cloud Radar (MMCR) at the SGP Central Facility from

Note: This page contains sample records for the topic "radiation testbed cart" 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

Radiation Safety Program Annual Review  

E-Print Network (OSTI)

........................................................................10 AREA RADIATION SURVEYS AND CONTAMINATION CONTROL...........................................11.....................................................................................................13 RADIOACTIVE WASTE MANAGEMENT meetings of the Radiation Safety Committee where new users and uses of radioactive materials, radiation

Lyubomirsky, Ilya

222

Radiator Labs | Department of Energy  

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

of steam buildings. Radiator Labs developed a mechanism that allows heating systems to control heat transfer at each radiator. The Radiator Labs design utilizes an...

223

The universal radiative transport equation  

E-Print Network (OSTI)

THE UNIVERSAL RADIATIVE TRANSPORT EQUATION Rudolph W.The Universal Radiative Transport Equation Rudolph W.The various radiative transport equations used in general

Preisendorfer, Rudolph W

1959-01-01T23:59:59.000Z

224

Performance of a real-time 3DVAR analysis system in the Hazardous Weather Testbed2 Travis M. Smith1,2, Jidong Gao2, Kristin M. Calhoun1,2, David J. Stensrud2, Kevin L. Manross1,2,3  

E-Print Network (OSTI)

resolution24 of 1 km and 400 m, respectively. The system analyzed the life cycles of 218 supercell251 Performance of a real-time 3DVAR analysis system in the Hazardous Weather Testbed2 Travis M a dynamically consistent three-23 dimensional wind field every 5 minutes, with a horizontal and average vertical

Lakshmanan, Valliappa

225

Radiation Dose Estimates from  

E-Print Network (OSTI)

Summary: Radiation Dose Estimates from Hanford Radioactive Material Releases to the Air- tantly, what radiation dose people may have received. An independent Technical Steering Panel (TSP, additionalProjectworkcouldresultin revisions of these dose estimates. April 21, 1994 Companion

226

Maryland Radiation Act (Maryland)  

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

The policy of the state is to provide for the constructive use of radiation and control radiation emissions. This legislation authorizes the Department of the Environment to develop comprehensive...

227

WI Radiation Protection  

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

This statute seeks to regulate radioactive materials, to encourage the constructive uses of radiation, and to prohibit and prevent exposure to radiation in amounts which are or may be detrimental...

228

RADIONUCLIDE RADIATION PROTECTION  

E-Print Network (OSTI)

COPYRIGHT 2002 Nuclear Technology Publishing #12;3 #12;4 #12;5 Radiation Protection Dosimetry Vol. 98, No'Energie Atomique, CEA/Saclay, France ISBN 1 870965 87 6 RADIATION PROTECTION DOSIMETRY Vol. 98 No 1, 2002 Published by Nuclear Technology Publishing #12;RADIONUCLIDE AND RADIATION PROTECTION DATA HANDBOOK 2nd Edition (2002

Healy, Kevin Edward

229

Radioactivity and Radiation  

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Radioactivity and Radiation Radioactivity and Radiation Uranium and Its Compounds line line What is Uranium? Chemical Forms of Uranium Properties of Uranium Compounds Radioactivity and Radiation Uranium Health Effects Radioactivity and Radiation Discussion of radioactivity and radiation, uranium and radioactivity, radiological health risks of uranium isotopes and decay products. Radioactivity Radioactivity is the term used to describe the natural process by which some atoms spontaneously disintegrate, emitting both particles and energy as they transform into different, more stable atoms. This process, also called radioactive decay, occurs because unstable isotopes tend to transform into a more stable state. Radioactivity is measured in terms of disintegrations, or decays, per unit time. Common units of radioactivity

230

TERSat: Trapped Energetic Radiation Satellite  

E-Print Network (OSTI)

Radiation damage caused by interactions with high-energy particles in the Van Allen Radiation Belts is a leading

Clements, Emily B.

2012-01-01T23:59:59.000Z

231

Americans' Average Radiation Exposure  

SciTech Connect

We live with radiation every day. We receive radiation exposures from cosmic rays, from outer space, from radon gas, and from other naturally radioactive elements in the earth. This is called natural background radiation. It includes the radiation we get from plants, animals, and from our own bodies. We also are exposed to man-made sources of radiation, including medical and dental treatments, television sets and emission from coal-fired power plants. Generally, radiation exposures from man-made sources are only a fraction of those received from natural sources. One exception is high exposures used by doctors to treat cancer patients. Each year in the United States, the average dose to people from natural and man-made radiation sources is about 360 millirem. A millirem is an extremely tiny amount of energy absorbed by tissues in the body.

NA

2000-08-11T23:59:59.000Z

232

Radiation: Facts, Risks and Realities  

E-Print Network (OSTI)

of Radiation 3 Understanding Radiation Risks 6 Naturally Occurring (Background) Radiation 7 Man-Made Radiation, beta particles and gamma rays. Other types, such as x-rays, can occur naturally or be machine-produced. Scientists have also learned that radiation sources are naturally all around us. Radiation can come from

233

DeCART/STAR-CCM+/MAMBA  

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

MAMBA Coupled Simulation for the Prediction of Crud Deposition on a Fuel Pin with Grid Spacers Brian Kendrick, Los Alamos National Laboratory Dan Walter, University of...

234

Radiation physics, biophysics, and radiation biology  

SciTech Connect

Research at the Center for Radiological Research is a multidisciplenary blend of physics, chemistry and biology aimed at understanding the mechanisms involved in the health problems resulting from human exposure to ionizing radiations. The focus is increased on biochemistry and the application of the techniques of molecular biology to the problems of radiation biology. Research highlights of the program from the past year are described. A mathematical model describing the production of single-strand and double-strand breaks in DNA as a function radiation quality has been completed. For the first time Monte Carlo techniques have been used to obtain directly the spatial distribution of DNA moieties altered by radiation. This information was obtained by including the transport codes a realistic description of the electronic structure of DNA. We have investigated structure activity relationships for the potential oncogenicity of a new generation of bioreductive drugs that function as hypoxic cytotoxins. Experimental and theoretical investigation of the inverse dose rate effect, whereby medium LET radiations actually produce an c effect when the dose is protracted, is now at a point where the basic mechanisms are reasonably understood and the complex interplay between dose, dose rate and radiation quality which is necessary for the effect to be present can now be predicted at least in vitro. In terms of early radiobiological damage, a quantitative link has been established between basic energy deposition and locally multiply damaged sites, the radiochemical precursor of DNA double strand breaks; specifically, the spatial and energy deposition requirements necessary to form LMDs have been evaluated. For the first time, a mechanically understood biological fingerprint'' of high-LET radiation has been established. Specifically measurement of the ratio of inter-to intra-chromosomal aberrations produces a unique signature from alpha-particles or neutrons.

Hall, E.J.; Zaider, M.

1993-05-01T23:59:59.000Z

235

Atmospheric Radiation Measurement Program  

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

3 3 ARM 2003 Tom Ackerman Chief Scientist Tom Ackerman Chief Scientist ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation Measurement WARNING! WARNING! Today is April 1 But that has NO bearing on this message Today is April 1 But that has NO bearing on this message ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation Measurement Two Topics Two Topics * Status of ARM (quick overview) * Science plan - ARM in the next 5 years * Status of ARM (quick overview) * Science plan - ARM in the next 5 years ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation Measurement ARM Status - Science ARM Status - Science * Steadily increasing productivity - Poster session - over 220 posters (may need to do something about submissions next year) - Peer-reviewed articles: 2.5 to 3 per year per

236

The flying radiation case  

SciTech Connect

The Los Alamos foil implosion program has the goal of producing an intense, high-energy density x-ray source by converting the energy of a magnetically imploded plasma into radiation and material energy. One of the methods for converting the plasma energy into thermal energy and radiation and utilizing it for experiments is called the flying radiation case (FRC). In this paper the authors shall model the FRC and provide a physical description of the processes involved. An analytic model of a planar FRC in the hydrodynamic approximation is used to describe the assembly and shock heating of a central cushion by a conducting liner driver. The results are also used to benchmark a hydrodynamics code for modeling an FRC. They then use a radiation-hydrodynamics computational model to explore the effects of radiation production and transport when a gold plasma assembles on a CH cushion. Results are presented for the structure and evolution of the radiation hohlraum.

Brownell, J.H.; Bowers, R.L. [Los Alamos National Lab., NM (United States). Applied Theoretical and Computational Physics Div.

1997-04-01T23:59:59.000Z

237

RHOBOT: Radiation hardened robotics  

SciTech Connect

A survey of robotic applications in radioactive environments has been conducted, and analysis of robotic system components and their response to the varying types and strengths of radiation has been completed. Two specific robotic systems for accident recovery and nuclear fuel movement have been analyzed in detail for radiation hardness. Finally, a general design approach for radiation-hardened robotics systems has been developed and is presented. This report completes this project which was funded under the Laboratory Directed Research and Development program.

Bennett, P.C.; Posey, L.D. [Sandia National Labs., Albuquerque, NM (United States)

1997-10-01T23:59:59.000Z

238

Atomic Radiation (Illinois)  

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

This article states permissible levels of radiation in unrestricted areas, environmental standards for uranium fuel cycle and information about notification of incidents.

239

Radiation.cdr  

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

An average American's exposure is about 620 millirems per year from naturally occurring and other sources. Other Factors Background radiation varies with location....

240

Radiation Hazards Program (Minnesota)  

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

These regulations, promulgated by the Department of Health, set allowable radiation standards and mitigation practices, as well as procedures for the transportation of hazardous material.

Note: This page contains sample records for the topic "radiation testbed cart" 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

Radiation Safety September 2013  

E-Print Network (OSTI)

...................................................................................... 8 2.6 RUA Holder........................................................................................................ 11 3.3 Radiation Use Authorization (RUA).......................................................................................... 11 3.4 Review of RUA Applications

California at Irvine, University of

242

Radiative polarization of electrons  

Science Journals Connector (OSTI)

We present a new method of calculating the radiative polarization of electrons in homogeneous magnetic fields, using the modified electron propagation function.

Julian Schwinger and Wu-yang Tsai

1974-03-15T23:59:59.000Z

243

Appendix F. Radiation Appendix F. Radiation F-3  

E-Print Network (OSTI)

from natural and human-made sources. People are exposed to naturally occurring radiation constantlyAppendix F. Radiation #12;#12;Appendix F. Radiation F-3 Appendix F. Radiation This appendix presents basic facts about radiation. The information is intended to be a basis for understanding

Pennycook, Steve

244

Appendix F: Radiation Appendix F: Radiation F-3  

E-Print Network (OSTI)

. People are exposed to naturally occurring radiation constantly. For example, cosmic radiation; radon effects on the environment and biological systems. Radiation comes from natural and human-made sourcesAppendix F: Radiation #12;#12;Appendix F: Radiation F-3 P P P E E E N NN HYDROGEN ATOM DEUTERIUM

Pennycook, Steve

245

Appendix F: Radiation Appendix F: Radiation F-3  

E-Print Network (OSTI)

to naturally occurring radiation constantly. For example, cosmic radiation; radon in air; potassium in food on the environment and biological systems. Radiation comes from natural and human-made sources. People are exposedAppendix F: Radiation #12;#12;Appendix F: Radiation F-3 Fig. F.1. The hydrogen atom and its

Pennycook, Steve

246

Appendix G. Radiation Appendix G. Radiation G-3  

E-Print Network (OSTI)

from natural and human-made sources. People are exposed to naturally occurring radiation constantlyAppendix G. Radiation #12;#12;Appendix G. Radiation G-3 Appendix G. Radiation This appendix presents basic facts about radiation. The information is intended to be a basis for un- derstanding

Pennycook, Steve

247

Appendix F. Radiation Appendix F. Radiation F-3  

E-Print Network (OSTI)

from natural and human-made sources. People are exposed to naturally occurring radiation constantlyAppendix F. Radiation #12;#12;Appendix F. Radiation F-3 Appendix F. Radiation This appendix presents basic facts about radiation. The information is intended to be a basis for un- derstanding

Pennycook, Steve

248

Radiation physics, biophysics, and radiation biology  

SciTech Connect

The following research programs from the Center for Radiological Research of Columbia University are described: Design and development of a new wall-less ultra miniature proportional counter for nanodosimetry; some recent measurements of ionization distributions for heavy ions at nanometer site sizes with a wall-less proportional counter; a calculation of exciton energies in periodic systems with helical symmetry: application to a hydrogen fluoride chain; electron energy-loss function in polynucleotide and the question of plasmon excitation; a non-parametric, microdosimetric-based approach to the evaluation of the biological effects of low doses of ionizing radiation; high-LET radiation risk assessment at medium doses; high-LET radiobiological effects: increased lesion severity or increased lesion proximity; photoneutrons generated by high energy medical linacs; the biological effectiveness of neutrons; implications for radiation protection; molecular characterization of oncogenes induced by neutrons; and the inverse dose-rate effect for oncogenic transformation by charged particles is LET dependent.

Hall, E.J.

1992-05-01T23:59:59.000Z

249

Section 115  

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Use of a Nonlinear Dynamic Limit-Cycle Model to Identify Use of a Nonlinear Dynamic Limit-Cycle Model to Identify Perturbations Embedded in Surface Energy Flux Data M.-D. Cheng and W. F. Lawkins Oak Ridge National Laboratory Environmental Sciences Division Oak Ridge, Tennessee Introduction Description of Data With the advent of real-time in-situ measurement capabilities, Currently, ten EBBR stations at Cloud and Radiation Testbed the dynamics (evolution of the system states) of natural (e.g., (CART) sites are producing continuous measurements for the atmosphere) or manmade (e.g., industrial engineering) energy flux calculation. In this meeting, we present the processes can be probed with an unprecedented temporal and analysis results using the data produced by the EBBR station spatial resolution. Extremely large volumes of ambient data

250

X:\ARM_19~1\P283-315.WPD  

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

r) r) CE(r)J[ m (r) p (r) c (r)]T 2 (r)/r 2 n b n b µs µs Session Papers 297 (1) Cirrus and Aerosol Lidar Profilometer - Analysis and Results J. D. Spinhirne and V. S. Scott NASA Goddard Space Flight Center Greenbelt, Maryland J. A. Reagan and A. Galbraith Department. of Electrical Engineering University of Arizona Tucson, Arizona Introduction A cloud and aerosol lidar data set from over a year of near continuous operation of a micro pulse lidar (MPL) instrument at the Cloud and Radiation Testbed (CART) site has been established. MPL instruments are to be included in the Ames Research Center (ARC) instrument compliments for the SW Pacific and Arctic ARM sites. Operational processing algorithms are in development for the data sets. The derived products are to be cloud presence and classification, base height, cirrus thickness,

251

X:\ARM_19~1\PGS63-75.WPD  

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6.25 6.25 km) 2 Session Papers 75 Heterogeneous Surface Fluxes and Their Effects on the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Site J. C. Doran, Q. Hu, J. M. Hubbe, J. C. Liljegren, W. J. Shaw, and S. Zhong Pacific Northwest National Laboratory Richland, Washington G. J. Collatz NASA Goddard Space Flight Center Greenbelt, Maryland Introduction The treatment of subgrid-scale variations of surface prop- erties and the resultant spatial variations of sensible and latent heat fluxes have received increasing attention in recent years. Mesoscale numerical simulations of highly idealized conditions, in which strong flux contrasts exist between adjacent surfaces, have shown that under some circumstances the secondary circulations induced by land- use differences can significantly affect the properties of the

252

Radiometry J. Michalsky, L. Harrison, M. Beik, W. Berkheiser III, and J. Schlemmer  

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J. Michalsky, L. Harrison, J. Michalsky, L. Harrison, M. Beik, W. Berkheiser III, and J. Schlemmer Atmospheric Sciences Research Center University at Albany State University of New York Albany, NY 12205 depths without the necessity of human intervention (Harrison and Michalsky 1993); 3) the cosine bench for measuring the cosine response functions of the RSRs and other radiometers (Michalsky et al. 1992); 4) rotating shadowband spectroradiometer progress (Harrison et al., in press); and 5) the effects of Mount Pinatubo on the aerosol above the Oklahoma-Kansas Cloud and Radiation Testbed (CART) site (Michalsky and Larson 1993). Introduction Multi-Filter Rotating Shadowband Radiometer The MFRSR (see Figure 1) is a ground-based instrument for simultaneously measuring total horizontal, diffuse

253

Khandwalla-A  

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Theory and Observations Between Ka-Band and W-Band Theory and Observations Between Ka-Band and W-Band to Explain Scattering Differences from Insects A. Khandwalla Harvard University Cambridge, Massachusetts S. M. Sekelsky, L. Li, and M. Bergada Microwave Remote Sensing Laboratory University of Massachusetts Amherst, Massachusetts Introduction Ground based Ka-band (33 GHz) cloud radar measurements collected at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site show that liquid cloud measurements are often contaminated by insect echoes during warm weather. Depolarization is one method of identifying and filtering insects from radar data. However, this technique often fails because the high number density of insects in the lower atmosphere overwhelm and mask the weaker cloud echos. It is impossible to tell

254

Simultaneous Spectral Albedo Measurements Near the ARM SGP Central Facility  

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Simultaneous Spectral Albedo Measurements Simultaneous Spectral Albedo Measurements Near the ARM SGP Central Facility J. J. Michalsky and Q.-L. Min Atmospheric Sciences Research Center State University of New York Albany, New York J. C. Barnard and R. T. Marchand Pacific Northwest National Laboratory P. Pilewskie National Aeronautics and Space Administration Ames Research Center Moffett Field, California Introduction During ARM Enhanced Shortwave Experiment II (ARESE II) the Twin Otter aircraft made low-altitude (100-300-m) passes over the Central Facility (CF) at the Southern Great Plains (SGP) Clouds and Radiation Testbed (CART) site as part of the flight pattern design for the experiment. The National Aeronautics and Space Administration (NASA) Ames Research Center's Solar Spectral Flux

255

1822B  

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3 3 Background for the DOE/ARM North Slope of Alaska/Adjacent Arctic Ocean (NSA/AAO) Cloud and Radiation Testbed (CART) Site Scientific Mission Plan April 2000 B. Zak Sandia National Laboratories K. Stamnes Geophysical Institute K. B. Widener Pacific Northwest National Laboratory H. Church Consultant Work supported by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research Disclaimer This report was prepared as an account of work sponsored by the United States Government. Neither the United States nor an agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any

256

Coulter-RL  

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4-Year Study of the RASS Temperature Bias 4-Year Study of the RASS Temperature Bias R. L. Coulter and B. M. Lesht Argonne National Laboratory Argonne, Illinois Introduction Measurements of vertical profiles of virtual temperature have been made with radio acoustic sounding systems (RASSs) at the central facility (CF) of the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site since 1994 and at the three intermediate facilities since 1997. Several investigators (e. g., Peters and Angevine 1996; Angevine et al. 1998) noted that RASS measurements of virtual temperature appear to be larger than measurements made at towers or with radiosondes. The reasons include vertical motion of the atmosphere, turbulent inhomogeneities, and inaccuracies in the tempera- ture retrieval. The coincidence of the continuous RASS measurements (the first ten minutes of every

257

Working Group Reports Unmanned Aerospace Vehicle Workshop J. Vitko, Jr.  

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Working Group Reports Unmanned Aerospace Vehicle Workshop J. Vitko, Jr. Sandia National Laboratories Livermore, California The Unmanned Aerospace Vehicle (UAV) Workshop concentrated on reviewing and refining the science experiments planned for the UAV Demonstration Flights (UDF) scheduled at the Oklahoma Cloud and Radiation Testbed (CART) in April 1994. These experiments are summarized below. UDF Experiments 1. Clear sky, daylight Scientific questions: Do models and observations agree? Under varying conditions (low/high humidity, low/high aerosols)? How accurately can we measure fluxes? What is the impact of surface "patchiness" in the visible? In the IR? At what length scales does it average out? Flight profiles: Minimum of 2 hrs centered on solar noon, clear sky, three altitude tiers, 10- to 20-km legs;

258

deslover-99.PDF  

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

Cloud Optical Depth Retrieval Cloud Optical Depth Retrieval From MPL-Measured Cloud Boundaries D. H. DeSlover University of Wisconsin-Madison Cooperative Institute for Meteorological Satellite Studies Madison, Wisconsin W. L. Smith National Aeronautics and Space Administration Langley Research Center Hampton, Virginia Introduction The ability to derive cloud microphysical properties from Atmospheric Emitted Radiance Interferometer (AERI) data has improved with the recent addition of cloud boundaries that are determined from the Cloud and Radiation Testbed (CART) Micropulse Lidar (MPL) measurements. A series of 18 microwindows were chosen to measure cloud emission within the infrared atmospheric window (8 micron to 12 micron) from the AERI data. These spectral regions represent the least contaminated

259

sekelsky-98.pdf  

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

1 1 Comparison of Millimeter-Wave Cloud Radar Measurements for the Fall 1997 Cloud IOP S. M. Sekelsky, L. Li, J. Calloway, and R. E. McIntosh University of Massachusetts Amherst, Massachusetts M. A. Miller Brookhaven National Laboratory Upton, New York E. E. Clothiaux The Pennsylvania State University University Park, Pennsylvania S. Haimov University of Wyoming Laramie, Wyoming G. G. Mace and K. Sassen University of Utah Salt Lake City, Utah Introduction One of the primary objectives of the fall 1997 intensive observation period (IOP) was to intercompare Ka-band (35 GHz) and W-band (95 GHz) cloud radar observations and verify system calibrations. During September 1997, several cloud radars were deployed at the Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) site,

260

Poster Sessions Backward Air Mass Trajectory Analysis for the First  

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Backward Air Mass Trajectory Analysis for the First Backward Air Mass Trajectory Analysis for the First Cloud and Radiation Testbed Site at Lamont, Oklahoma H.-N. Lee and R. Leifer Environmental Measurements Laboratory U.S. Department of Energy 376 Hudson St. New York, NY 10014-3621 program. The data are received daily from the global circulation model of the U.S. Navy's Fleet Numerical Oceanography Center, Monterey, California. In this model, the horizontal grid interval is 2.5 degrees and covers a 33 by 19 horizontal grid matrix of the United States. The trajectories are computed backwards twice a day from the CART site, and the results are stored for further analyses. Trajectories reaching to the lateral boundaries of the matrix or 500-mb height are terminated. The size distribution and composition of aerosols measured

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261

1604B  

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

2 2 Site Scientific Mission Plan for the DOE/ARM North Slope of Alaska/Adjacent Arctic Ocean (NSA/AAO) Cloud and Radiation Testbed (CART) January 2000 B. Zak Sandia National Laboratories K. Stamnes Geophysical Institute K. Widener Pacific Northwest National Laboratory Work supported by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research Disclaimer This report was prepared as an account of work sponsored by the United States Government. Neither the United States nor an agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus,

262

COLUMBIA UNIVERSITY Radiation Safety Program  

E-Print Network (OSTI)

DDE ESTIMATED DOSE FROM CONCEPTION TO DECLARATION: DDE Radiation Safety Officer Signature for increased protection from ionizing radiation for declared pregnant radiation workers. The radiation dose of the occupational dose limit of 50 mSv (5.0 rem). The CPMC Radiation Safety Office will provide education

Jia, Songtao

263

RADIATION ONCOLOGY TARGET YOUR FUTURE  

E-Print Network (OSTI)

. · Radiation therapist - a health professional who designs, calculates (plans) and provides the radiation dose and monitors the delivery of radiation therapy, taking into account the protection and safety of patientsRADIATION ONCOLOGY TARGET YOUR FUTURE #12;A Career in Radiation Oncology YOUR CHOICE SAVE LIVES

Tobar, Michael

264

Radiation safety system  

Science Journals Connector (OSTI)

......occupational illness to personnel, major damage...acceptable levels. Selection of control measures...or equipment operating correctly in...99 103 to 104 Personnel life safety...and abnormal operating conditions under...radiation risk to personnel, public and...worker radiation training) reduces the......

Vaclav Vylet; James C. Liu; Lawrence S. Walker

2009-11-01T23:59:59.000Z

265

Radiation safety system  

Science Journals Connector (OSTI)

......disable this safety function and...circuits and software. Other required...source in case of radiation monitors. Feedback...from other non-safety systems to prevent...write and check software. The expected...logic systems for safety functions can...levels of prompt radiation hazard. ACS......

Vaclav Vylet; James C. Liu; Lawrence S. Walker

2009-11-01T23:59:59.000Z

266

Risks from ionizing radiation  

Science Journals Connector (OSTI)

... RADON indoors now accounts for nearly half of the average UK population exposure to ionizing radiation ... exposure to ionizing radiation. We believe that the extent of the variation in exposure to radon in the United Kingdom and else-where and its magnitude in relation to exposures from ...

R. H. Clarke; T. R. E. Southwood

1989-03-16T23:59:59.000Z

267

Nuclear radiation actuated valve  

DOE Patents (OSTI)

A nuclear radiation actuated valve for a nuclear reactor. The valve has a valve first part (such as a valve rod with piston) and a valve second part (such as a valve tube surrounding the valve rod, with the valve tube having side slots surrounding the piston). Both valve parts have known nuclear radiation swelling characteristics. The valve's first part is positioned to receive nuclear radiation from the nuclear reactor's fuel region. The valve's second part is positioned so that its nuclear radiation induced swelling is different from that of the valve's first part. The valve's second part also is positioned so that the valve's first and second parts create a valve orifice which changes in size due to the different nuclear radiation caused swelling of the valve's first part compared to the valve's second part. The valve may be used in a nuclear reactor's core coolant system.

Christiansen, David W. (Kennewick, WA); Schively, Dixon P. (Richland, WA)

1985-01-01T23:59:59.000Z

268

Radiation Weighting Factors and High Energy Radiation  

Science Journals Connector (OSTI)

......generally inadequate for high energy radiation. In order to determine...appropriate wR values in the high energy region, several criteria are...are proposed for neutrons of energy above 100 MeV and for protons above 10 MeV. The wR value for muons is confirmed to be practically......

M. Pelliccioni

1998-12-01T23:59:59.000Z

269

Radiation effects on humans  

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

Radiation effects on humans Radiation effects on humans Name: Joe Kemna Location: N/A Country: N/A Date: N/A Question: I am trying to find information on radiation. I need the effects on humans, the damage it causes to the environment, and any extra information you might have on the subject. Thank you for your time. Replies: Your library should be a good place to start, but first you need to narrow your question a bit. "Radiation" means radio waves, heat, light (including the ultraviolet light that causes suntan and sunburn), and what's called "ionizing radiation." By far the major source of the first three is the Sun, while the last I believe comes principally from cosmic rays and various naturally radioactive elements like uranium and radon. The most significant manmade sources of exposure would --- I think --- be household wiring and appliances (radio), engines and heating devices (heat), lamps (light), and X-ray machines, flying at high altitude in airplanes, and living in well-insulated homes built over radon sources (ionizing radiation). Heat, light and ionizing radiation play vital roles in the ecology of the Earth. Radio, light (in particular "tanning" ultraviolet), and ionizing radiation have all been widely assumed at different times to be particularly good or particularly bad for human health. Some recent issues of public concern have been the effect of radio waves from electric transmission lines, the effect on skin cancer incidence from tanning and sunburns, the depletion of the ultraviolet-light-produced ozone in the upper atmosphere by chlorofluorocarbons (CFCs), "global warming" from the increased absorption of heat radiation from the surface by atmospheric carbon dioxide and methane, and the effect of a long exposure to low levels of ionizing radiation as for example the people of Eastern Europe are experiencing from the Chernobyl nuclear power plant accident.

270

Raman lidar profiling of water vapor and aerosols over the ARM SGP Site  

SciTech Connect

The authors have developed and implemented automated algorithms to retrieve profiles of water vapor mixing ratio, aerosol backscattering, and aerosol extinction from Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Raman Lidar data acquired during both daytime and nighttime operations. The Raman lidar sytem is unique in that it is turnkey, automated system designed for unattended, around-the-clock profiling of water vapor and aerosols. These Raman lidar profiles are important for determining the clear-sky radiative flux, as well as for validating the retrieval algorithms associated with satellite sensors. Accurate, high spatial and temporal resolution profiles of water vapor are also required for assimilation into mesoscale models to improve weather forecasts. The authors have also developed and implemented routines to simultaneously retrieve profiles of relative humidity. These routines utilize the water vapor mixing ratio profiles derived from the Raman lidar measurements together with temperature profiles derived from a physical retrieval algorithm that uses data from a collocated Atmospheric Emitted Radiance Interferometer (AERI) and the Geostationary Operational Environmental Satellite (GOES). These aerosol and water vapor profiles (Raman lidar) and temperature profiles (AERI+GOES) have been combined into a single product that takes advantage of both active and passive remote sensors to characterize the clear sky atmospheric state above the CART site.

Ferrare, R.A.

2000-01-09T23:59:59.000Z

271

RAMAN LIDAR PROFILING OF WATER VAPOR AND AEROSOLS OVER THE ARM SGP SITE.  

SciTech Connect

We have developed and implemented automated algorithms to retrieve profiles of water vapor mixing ratio, aerosol backscattering, and aerosol extinction from Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) Raman Lidar data acquired during both daytime and nighttime operations. This Raman lidar system is unique in that it is turnkey, automated system designed for unattended, around-the-clock profiling of water vapor and aerosols (Goldsmith et al., 1998). These Raman lidar profiles are important for determining the clear-sky radiative flux, as well as for validating the retrieval algorithms associated with satellite sensors. Accurate, high spatial and temporal resolution profiles of water vapor are also required for assimilation into mesoscale models to improve weather forecasts. We have also developed and implemented routines to simultaneously retrieve profiles of relative humidity. These routines utilize the water vapor mixing ratio profiles derived from the Raman lidar measurements together with temperature profiles derived from a physical retrieval algorithm that uses data from a collocated Atmospheric Emitted Radiance Interferometer (AERI) and the Geostationary Operational Environmental Satellite (GOES) (Feltz et al., 1998; Turner et al., 1999). These aerosol and water vapor profiles (Raman lidar) and temperature profiles (AERI+GOES) have been combined into a single product that takes advantage of both active and passive remote sensors to characterize the clear sky atmospheric state above the CART site.

FERRARE,R.A.

2000-01-09T23:59:59.000Z

272

Candidate Radiation Drugs Inch Forward  

Science Journals Connector (OSTI)

Candidate Radiation Drugs Inch Forward 10.1126/science.331.6024...radiation, workers at the damaged Fukushima nuclear plant wear protective gear...Candidate radiation drugs inch forward. | News | 0 (E)-4-carboxystyryl-4-chlorobenzylsulfone...

Yudhijit Bhattacharjee

2011-03-25T23:59:59.000Z

273

Radiation-Induced Bystander Effects and Relevance to Human Radiation  

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Radiation-Induced Bystander Effects and Relevance to Human Radiation Radiation-Induced Bystander Effects and Relevance to Human Radiation Exposures Review of phenomenon appears in Radiation Research Pamela Sykes and Benjamin Blyth One concern of radiobiologists is the effect radiation exposure might have on nearby unirradiated cells. For example, when only a small fraction of cells are directly hit by radiation energy, are the surrounding unirradiated cells also at an increased risk of cancer? The term "radiation-induced bystander effect" is used to describe radiation-induced biological changes that occur in unirradiated cells within an irradiated cell population. Radiation-induced bystander effects have become established in the vernacular and are considered as an authentic radiation response. However, there is still no consensus on a precise definition of the term, which

274

RADIATIVE TRANSFER IN ULTRARELATIVISTIC OUTFLOWS  

SciTech Connect

Analytical and numerical solutions are obtained for the equation of radiative transfer in ultrarelativistic opaque jets. The solution describes the initial trapping of radiation, its adiabatic cooling, and the transition to transparency. Two opposite regimes are examined. (1) Matter-dominated outflow. Surprisingly, radiation develops enormous anisotropy in the fluid frame before decoupling from the fluid. The radiation is strongly polarized. (2) Radiation-dominated outflow. The transfer occurs as if radiation propagated in vacuum, preserving the angular distribution and the blackbody shape of the spectrum. The escaping radiation has a blackbody spectrum if (and only if) the outflow energy is dominated by radiation up to the photospheric radius.

Beloborodov, Andrei M., E-mail: amb@phys.columbia.edu [Physics Department and Columbia Astrophysics Laboratory, Columbia University, 538 West 120th Street New York, NY 10027 (United States)

2011-08-20T23:59:59.000Z

275

Florida Radiation Protection Act (Florida)  

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

The Department of Public Health is responsible for administering a statewide radiation protection program. The program is designed to permit development and utilization of sources of radiation for...

276

Radiation prevents much cancer  

Science Journals Connector (OSTI)

Evidence reviewed here supports the concept that chronic exposure to ionising radiation can dramatically decrease cancer incidence and mortality. This evidence includes an inverse relationship between radiation levels and cancer induction and/or mortality in: over 200 million people in the USA; 200 million people in India; 10,000 residents of Taipei who live in cobalt-60 contaminated homes; high radiation areas of Ramsar, Iran; 12 million person-years of exposed and carefully selected control nuclear workers; almost 300,000 homes with radon in the USA; non-smokers in high radon areas of Saxony, Germany.

T.D. Luckey

2007-01-01T23:59:59.000Z

277

Biophysics and synchrotron radiation  

SciTech Connect

This book, contains contributions to the conference on Biophysics and Synchrotron Radiation held in July 1986 at Frascati. It is devoted to advances in the resolution of biological molecule structure obtainable through synchroton radiation studies. The use of synchroton radiation has firmly established x-ray spectroscopy of biological molecules. More detailed knowledge on the local structure of active sites of metalloproteins, as well as a number of studies on the interaction of metal ions with other important biological macromolecular systems are presented. This new method for protein structure analysis is a major improvement for the rapidly expanding field of protein engineering.

Bianconi, A.; Castellano, C.C.

1987-01-01T23:59:59.000Z

278

Miniaturized radiation chirper  

DOE Patents (OSTI)

The disclosure relates to a miniaturized radiation chirper for use with a small battery supplying on the order of 5 volts. A poor quality CdTe crystal which is not necessarily suitable for high resolution gamma ray spectroscopy is incorporated with appropriate electronics so that the chirper emits an audible noise at a rate that is proportional to radiation exposure level. The chirper is intended to serve as a personnel radiation warning device that utilizes new and novel electronics with a novel detector, a CdTe crystal. The resultant device is much smaller and has much longer battery life than existing chirpers.

Umbarger, C. John (Los Alamos, NM); Wolf, Michael A. (Los Alamos, NM)

1980-01-01T23:59:59.000Z

279

Composition for radiation shielding  

DOE Patents (OSTI)

A composition for use as a radiation shield. The shield has a depleted urum core for absorbing gamma rays and a bismuth coating for preventing chemical corrosion and absorbing gamma rays. Alternatively, a sheet of gadolinium may be positioned between the uranium core and the bismuth coating for absorbing neutrons. The composition is preferably in the form of a container for storing materials that emit radiation such as gamma rays and neutrons. The container is preferably formed by casting bismuth around a pre-formed uranium container having a gadolinium sheeting, and allowing the bismuth to cool. The resulting container is a structurally sound, corrosion-resistant, radiation-absorbing container.

Kronberg, James W. (Aiken, SC)

1994-01-01T23:59:59.000Z

280

The Intense Radiation Gas  

E-Print Network (OSTI)

We present a new dispersion relation for photons that are nonlinearly interacting with a radiation gas of arbitrary intensity due to photon-photon scattering. It is found that the photon phase velocity decreases with increasing radiation intensity, it and attains a minimum value in the limit of super-intense fields. By using Hamilton's ray equations, a self-consistent kinetic theory for interacting photons is formulated. The interaction between an electromagnetic pulse and the radiation gas is shown to produce pulse self-compression and nonlinear saturation. Implications of our new results are discussed.

M. Marklund; P. K. Shukla; B. Eliasson

2005-03-08T23:59:59.000Z

Note: This page contains sample records for the topic "radiation testbed cart" 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

ARM - Measurement - Backscattered radiation  

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

govMeasurementsBackscattered radiation govMeasurementsBackscattered radiation ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Measurement : Backscattered radiation The scattering of radiant energy into the hemisphere of space bounded by a plane normal to the direction of the incident radiation and lying on the same side as the incident ray. Categories Aerosols, Cloud Properties Instruments The above measurement is considered scientifically relevant for the following instruments. Refer to the datastream (netcdf) file headers of each instrument for a list of all available measurements, including those recorded for diagnostic or quality assurance purposes. ARM Instruments AOS : Aerosol Observing System IAP : In-situ Aerosol Profiles (Cessna Aerosol Flights)

282

Low Dose Radiation  

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

Ancient Salt Beds Ancient Salt Beds Repository Science Renewable Energy The WIPP Underground may be ideal to study effects of Very Low Dose Rates on Biological Systems Low Background Radiation Experiment We're all bathing in it. It's in the food we eat, the water we drink, the soil we tread and even the air we breathe. It's background radiation, it's everywhere and we can't get away from it. But what would happen if you somehow "pulled the plug" on natural background radiation? Would organisms suffer or thrive if they grew up without their constant exposure to background radiation? That's what a consortium of scientists conducting an experiment at the Waste Isolation Pilot Plant aim to find out. Despite being an underground repository for transuranic radioactive waste,

283

Radiation from accelerated branes  

Science Journals Connector (OSTI)

The radiation emitted by accelerated fundamental strings and D-branes is studied within the linear approximation to the supergravity limit of string theory. We show that scalar, gauge field and gravitational radiation is generically emitted by such branes. In the case where an external scalar field accelerates the branes, we derive a Larmor-type formula for the emitted scalar radiation and study the angular distribution of the outgoing energy flux. The classical radii of the branes are calculated by means of the corresponding Thompson scattering cross sections. Within the linear approximation, the interaction of the external scalar field with the velocity fields of the branes gives a contribution to the observed gauge field and gravitational radiation.

Mohab Abou-Zeid and Miguel S. Costa

2000-04-26T23:59:59.000Z

284

Radiation Induced Mammary Cancer  

Science Journals Connector (OSTI)

......Induced Mammary Cancer R.L. Ullrich * R.J. Preston # * Department of Radiation Therapy, University of Texas Medical Branch, Galveston, TX 77550 # Biology Division Oak Ridge National Laboratory Oak Ridge, TN 37831, U.S.A Over the last......

R.L. Ullrich; R.J. Preston

1991-12-01T23:59:59.000Z

285

Ionizing radiation detector  

DOE Patents (OSTI)

An ionizing radiation detector is provided which is based on the principle of analog electronic integration of radiation sensor currents in the sub-pico to nano ampere range between fixed voltage switching thresholds with automatic voltage reversal each time the appropriate threshold is reached. The thresholds are provided by a first NAND gate Schmitt trigger which is coupled with a second NAND gate Schmitt trigger operating in an alternate switching state from the first gate to turn either a visible or audible indicating device on and off in response to the gate switching rate which is indicative of the level of radiation being sensed. The detector can be configured as a small, personal radiation dosimeter which is simple to operate and responsive over a dynamic range of at least 0.01 to 1000 R/hr.

Thacker, Louis H. (Knoxville, TN)

1990-01-01T23:59:59.000Z

286

Flexible Composite Radiation Detector  

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

Flexible Composite Radiation Detector Flexible Composite Radiation Detector Flexible Composite Radiation Detector A flexible composite scintillator was prepared by mixing fast, bright, dense rare-earth doped powdered oxyorthosilicate (such as LSO:Ce, LSO:Sm, and GSO:Ce) scintillator with a polymer binder. Available for thumbnail of Feynman Center (505) 665-9090 Email Flexible Composite Radiation Detector A flexible composite scintillator was prepared by mixing fast, bright, dense rare-earth doped powdered oxyorthosilicate (such as LSO:Ce, LSO:Sm, and GSO:Ce) scintillator with a polymer binder. The binder is transparent to the scintillator emission. The composite is seamless and can be made large and in a wide variety of shapes. Importantly, the composite can be tailored to emit light in a spectral region that matches the optimum

287

Radiation Safety Training Basic Radiation Safety Training for  

E-Print Network (OSTI)

Radiation Safety Training Basic Radiation Safety Training for Sealed Source Users for Physics 461 & 462 Modern Physics Laboratory Spring 2007 #12;Radiation Safety Department, University of Tennessee Purpose: To provide basic radiation safety training to the users of sealed sources located

Dai, Pengcheng

288

Radiation Safety Training Basic Radiation Safety Training for  

E-Print Network (OSTI)

Radiation Safety Training Basic Radiation Safety Training for X-ray Users for Physics 461 & 462 Modern Physics Laboratory Spring 2007 #12;#12;Radiation Safety Department, University of Tennessee Protocol Title: Basic Radiation Safety Training for X-ray Users Drafted By: Chris Millsaps, RSS Reviewers

Dai, Pengcheng

289

Radiative Muon Capture  

Science Journals Connector (OSTI)

The theory of radiative muon capture is developed. The discussion includes both parity conserving and nonconserving effects. The Gell-Mann weak magnetic term and the induced pseudoscalar are included, along with comparable relativistic effects in the nucleons. The theory is applied to light nuclei and especially to the radiative Godfrey reaction ?-+C126??+?+B125. An experiment to detect the induced pseudoscalar directly is proposed.

Jeremy Bernstein

1959-08-01T23:59:59.000Z

290

Low Dose Radiation Program: Links - Agencies with Radiation Regulatory  

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

Agencies with Radiation Regulatory Concerns and Involvement Agencies with Radiation Regulatory Concerns and Involvement Biological Effects of Low Level Exposures (BELLE) Canadian Nuclear Safety Commission Center for Risk Excellence Health Protection Agency The Health Risks of Extraterrestrial Environments International Commission on Radiation Units and Measurements, Inc. International Commission on Radiological Protection (ICRP) International Radiation Protection Association (IRPA) NASA Space Radiation Program National Academy of Sciences (NAS) Nuclear and Radiation Studies Board National Aeronautics and Space Administration (NASA) NASA OBRR Task Book Publication National Council on Radiation Protection (NCRP) National Institute of Environmental Health Sciences (NIEHS) National Toxicology Program (NTP) Occupational Safety and Health Administration (OSHA)

291

Radiation and viral DNA  

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

Radiation and viral DNA Radiation and viral DNA Name: Loretta L Lamb Age: N/A Location: N/A Country: N/A Date: N/A Question: Can viral DNA be changed through exposure to radiation? If so, what type of radiation will do this? Can these irradiated viruses cause changes in the genome of any human cells they may infect? Can these (or any) viruses actually cause cancer, or do they merely act as triggering devices for cancer? Replies: In theory, any nucleic acid (viral or otherwise) can be changed by exposure to many kinds of radiation. Depending on the type of virus, these may then change the human cells that they infect. Although there are many different things that are being implicated in causing cancers, it looks like a fairly common model involves the sequential "knockout" of several human genes. Viruses may be one cause of such gene changes, radiation and other environmental causes may also contribute. Some of these changes may be inherited through families, so it becomes more likely that the environmental factors may happen to "hit" the right places in cells to cause cancers in these families. If you ask something more specific, perhaps I can focus my response a bit more

292

Radiative muon capture  

Science Journals Connector (OSTI)

It is shown by relating the transition amplitude of radiative muon capture to that of radiative pion capture, that the transition amplitude of radiative muon capture proposed recently by Hwang and Primakoff differs from the others mainly by Low's counter terms. Despite the fact that the "original" transition amplitude does not violate seriously the conservation of the hadronic electromagnetic current, Low's counter terms, as introduced via Low's prescription to secure the presence of small conservation-of-hadronic-electromagnetic-current-breaking terms, are confirmed to be of numerical importance. Further, it is found in the "elementary-particle" treatment of radiative muon capture that the uncertainty arising from the nuclear structure can be reduced to become negligible. Therefore, an exclusive radiative muon capture experiment can in principle differentiate the Hwang-Primakoff theory from the others and yet provide a comprehensive test of partial conservation of axial-vector current.RADIOACTIVITY Theories of radiative muon capture, linearity hypothesis versus Low's prescription; nuclear structure and PCAC.

W -Y. P. Hwang

1980-07-01T23:59:59.000Z

293

REPORT NO. 8 radiation hazards  

E-Print Network (OSTI)

REPORT NO. 8 REVISED guidance for the control of radiation hazards in uranium mining SEPTEMBER 1967 OF RADIATION HAZARDS IN URANIUM MINING SEPTEMBER 1967 Staff Report of the FEDERAL RADIATION COUNCIL #12;FEDERAL...... .... .._ _.... Section I. Introduction. . . Section II. The Radiation Environment AssociatedWith Uranium Mining. Section

294

Appendix G: Radiation HYDROGEN ATOM  

E-Print Network (OSTI)

. People are exposed to naturally occurring radiation constantly. For example, cosmic radiation; radon effects on the environment and biological systems. Radiation comes from natural and human-made sourcesAppendix G: Radiation #12;#12;P P P E E E N NN HYDROGEN ATOM DEUTERIUM ATOM TRITIUM ATOM HYDROGEN

Pennycook, Steve

295

Appendix A: Radiation HYDROGEN ATOM  

E-Print Network (OSTI)

. People are exposed to naturally occurring radiation constantly. For example, cosmic radiation; radon effects on the environment and biological systems. Radiation comes from natural and human-made sourcesAppendix A: Radiation #12;P P P E E E N NN HYDROGEN ATOM DEUTERIUM ATOM TRITIUM ATOM HYDROGEN

Pennycook, Steve

296

Proteasome Structures Affected by Ionizing Radiation  

Science Journals Connector (OSTI)

...Effect of ionizing radiation on 26S but...radiation doses, and immediately...the dose range 1 to 20 Gy...ionizing radiation induced a...38), ionizing radiation (39...over a wide range of radiation doses and further...

Milena Pervan; Keisuke S. Iwamoto; and William H. McBride

2005-07-01T23:59:59.000Z

297

Radiation delivery system and method  

DOE Patents (OSTI)

A radiation delivery system and method are described. The system includes a treatment configuration such as a stent, balloon catheter, wire, ribbon, or the like, a portion of which is covered with a gold layer. Chemisorbed to the gold layer is a radiation-emitting self-assembled monolayer or a radiation-emitting polymer. The radiation delivery system is compatible with medical catheter-based technologies to provide a therapeutic dose of radiation to a lesion following an angioplasty procedure.

Sorensen, Scott A. (Overland Park, KS); Robison, Thomas W. (Los Alamos, NM); Taylor, Craig M. V. (Jemez Springs, NM)

2002-01-01T23:59:59.000Z

298

Reducing Radiation Damage  

SciTech Connect

This talk describes the use of a modified treatment sequence, i.e., radiation dose, geometry, dwell time, etc., to mitigate some of the deleterious effects of cancer radiotherapy by utilizing natural cell repair processes. If bad side effects can be reduced, a more aggressive therapy can be put into place. Cells contain many mechanisms that repair damage of various types. If the damage can not be repaired, cells will undergo apoptosis (cell death). Data will be reviewed that support the fact that a small dose of radiation will activate damage repair genes within a cell. Once the mechanisms are fully active, they will efficiently repair the severe damage from a much larger radiation dose. The data ranges from experiments on specific cell cultures using microarray (gene chip) techniques to experiments on complete organisms. The suggested effect and treatment is consistent with the assumption that all radiation is harmful, no matter how small the dose. Nevertheless, the harm can be reduced. These mechanisms need to be further studied and characterized. In particular, their time dependence needs to be understood before the proposed treatment can be optimized. Under certain situations it is also possible that the deleterious effects of chemotherapy can be mitigated and the damage to radiation workers can be reduced.

Blankenbecler, Richard

2006-06-05T23:59:59.000Z

299

Low Dose Radiation Program: Links - Organizations Conducting Radiation  

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

Conducting Low Dose Radiation Research Conducting Low Dose Radiation Research DOE Low Dose Radiation Research Program DoReMi Integrating Low Dose Research High Level Expert Group (HLEG) on European Low Dose Risk Research Multidisciplinary European Low Dose Initiative (MELODI) RISC-RAD Radiosensitivity of Individuals and Susceptibility to Cancer induced by Ionizing Radiation United States Transuranium & Uranium Registries Organizations Conducting other Radiation Research Argonne National Laboratory (ANL) Armed Forces Radiology Research Institute (AFRRI) Atmospheric Radiation Measurement (ARM) Program Brookhaven National Laboratory (BNL) Center for Devices and Radiological Health (CDRH) Central Research Institute of Electric Power Industry (CRIEPI) Colorado State University Columbia University

300

Semiconductor radiation detector  

DOE Patents (OSTI)

A semiconductor detector for ionizing electromagnetic radiation, neutrons, and energetic charged particles. The detecting element is comprised of a compound having the composition I-III-VI.sub.2 or II-IV-V.sub.2 where the "I" component is from column 1A or 1B of the periodic table, the "II" component is from column 2B, the "III" component is from column 3A, the "IV" component is from column 4A, the "V" component is from column 5A, and the "VI" component is from column 6A. The detecting element detects ionizing radiation by generating a signal proportional to the energy deposited in the element, and detects neutrons by virtue of the ionizing radiation emitted by one or more of the constituent materials subsequent to capture. The detector may contain more than one neutron-sensitive component.

Bell, Zane W. (Oak Ridge, TN); Burger, Arnold (Knoxville, TN)

2010-03-30T23:59:59.000Z

Note: This page contains sample records for the topic "radiation testbed cart" from the National Library of EnergyBeta (NLEBeta).
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to obtain the most current and comprehensive results.


301

Radiation Minimum Temperatures  

Science Journals Connector (OSTI)

Frost resulting from cooling of vegetation by nocturnal radiation is a serious agricultural problem. Because of the number of variables involved attacks on this problem from a purely theoretical point of view have met with only moderate success. It seems logical to suppose that an instrument might be devised which would speed up the natural radiation processes and enable an observer to obtain in a few hours a measure of the cooling which occurs naturally over a period of 12 to 14 hr. Such an instrument could serve as a frost warning device. This paper describes the construction of a radiation device and presents experimental evidence to show that it can be used as a predictor of freezing temperatures at vegetation level.

Francis K. Davis Jr.

1957-01-01T23:59:59.000Z

302

Audible radiation monitor  

SciTech Connect

This invention consists of a method and apparatus for monitoring ionizing radiation comprising radiation detectors in electrical connection with an isotopic analyzer and a device for producing chords to which each isotope is mapped so that the device produces a unique chord for each isotope. Preferably the chords are pleasing to the ear, except for chords representing unexpected isotopes, and are louder or softer depending on the level of radioactivity produced by each isotope, and musical instrument voices may be simulated in producing the chords as an aid to distinguishing similar-sounding chords. Because of the representation by chords, information regarding the level and composition of the radiation in an area can be conveyed to workers in that area more effectively and yet without distracting them.

Odell, D.M.C.

1992-12-31T23:59:59.000Z

303

Composition for radiation shielding  

DOE Patents (OSTI)

A composition for use as a radiation shield is disclosed. The shield has a depleted uranium core for absorbing gamma rays and a bismuth coating for preventing chemical corrosion and absorbing gamma rays. Alternatively, a sheet of gadolinium may be positioned between the uranium core and the bismuth coating for absorbing neutrons. The composition is preferably in the form of a container for storing materials that emit radiation such as gamma rays and neutrons. The container is preferably formed by casting bismuth around a pre-formed uranium container having a gadolinium sheeting, and allowing the bismuth to cool. The resulting container is a structurally sound, corrosion-resistant, radiation-absorbing container. 2 figs.

Kronberg, J.W.

1994-08-02T23:59:59.000Z

304

Tunable terahertz radiation source  

SciTech Connect

Terahertz radiation source and method of producing terahertz radiation, said source comprising a junction stack, said junction stack comprising a crystalline material comprising a plurality of self-synchronized intrinsic Josephson junctions; an electrically conductive material in contact with two opposing sides of said crystalline material; and a substrate layer disposed upon at least a portion of both the crystalline material and the electrically-conductive material, wherein the crystalline material has a c-axis which is parallel to the substrate layer, and wherein the source emits at least 1 mW of power.

Boulaevskii, Lev; Feldmann, David M; Jia, Quanxi; Koshelev, Alexei; Moody, Nathan A

2014-01-21T23:59:59.000Z

305

RADIATION ALERT User Manual  

E-Print Network (OSTI)

not contaminate the Inspector by touching it to radioactive surfaces or materials. If contamination is suspected Environmental Area Monitoring 16 Checking for Surface Contamination 16 5 Maintenance 17 Calibration 17, and x-ray radiation. Its applications include: · Detecting and measuring surface contamination

Haller, Gary L.

306

Radiation Source Replacement Workshop  

SciTech Connect

This report summarizes a Radiation Source Replacement Workshop in Houston Texas on October 27-28, 2010, which provided a forum for industry and researchers to exchange information and to discuss the issues relating to replacement of AmBe, and potentially other isotope sources used in well logging.

Griffin, Jeffrey W.; Moran, Traci L.; Bond, Leonard J.

2010-12-01T23:59:59.000Z

307

Solar energy: Radiation nation  

Science Journals Connector (OSTI)

... Australia receives more solar radiation per square metre, on average, than any other continent. Although turning this ... to make use of its heat. We spoke to Australian proponents of two very different solar-thermal systems, both rather confusingly known as ...

Carina Dennis

2006-09-06T23:59:59.000Z

308

Psoriasis and ultraviolet radiation  

SciTech Connect

Prevention and detection screening programs as a public health service in curtailing the ever-increasing incidence of all forms of skin cancer are reviewed. The effect of solar and artificial ultraviolet radiation on the general population and persons with psoriasis is examined. 54 refs.

Farber, E.M.; Nall, L. (Psoriasis Research Institute, Palo Alto, CA (United States))

1993-09-01T23:59:59.000Z

309

Local microwave background radiation  

E-Print Network (OSTI)

An inquiry on a possible local origin for the Microwave Background Radiation is made. Thermal MBR photons are contained in a system called {\\it magnetic bottle} which is due to Earth magnetic field and solar wind particles, mostly electrons. Observational tests are anticipated.

Domingos Soares

2014-11-13T23:59:59.000Z

310

Infrared radiation: Herschel revisited  

Science Journals Connector (OSTI)

The year 2000 marks the 200th anniversary of Herschel’s discovery of infrared radiation. Using a car light in place of the Sun and a liquid crystal sheet instead of thermometers the experiment is an effective classroom demonstration of invisible light.

Erin E. Pursell; Richard Kozlowski

2000-01-01T23:59:59.000Z

311

Radiation detector spectrum simulator  

DOE Patents (OSTI)

A small battery operated nuclear spectrum simulator having a noise source nerates pulses with a Gaussian distribution of amplitudes. A switched dc bias circuit cooperating therewith generates several nominal amplitudes of such pulses and a spectral distribution of pulses that closely simulates the spectrum produced by a radiation source such as Americium 241.

Wolf, Michael A. (Los Alamos, NM); Crowell, John M. (Los Alamos, NM)

1987-01-01T23:59:59.000Z

312

Radiation detector spectrum simulator  

DOE Patents (OSTI)

A small battery operated nuclear spectrum simulator having a noise source generates pulses with a Gaussian distribution of amplitudes. A switched dc bias circuit cooperating therewith to generate several nominal amplitudes of such pulses and a spectral distribution of pulses that closely simulates the spectrum produced by a radiation source such as Americium 241.

Wolf, M.A.; Crowell, J.M.

1985-04-09T23:59:59.000Z

313

Assessing exposure to radiation  

SciTech Connect

Since the founding of Lawrence Livermore National Laboratory, we have been world leaders in evaluating the risks associated with radiation. Ultrasensitive tools allow us not only to measure radionuclides present in the body but also to reconstruct the radiation dose from past nuclear events and to project the levels of radiation that will still be present in the body for 50 years after the initial intake. A variety of laboratory procedures, including some developed here, give us detailed information on the effects of radiation at the cellular level. Even today, we are re-evaluating the neutron dose resulting from the bombing at Hiroshima. Our dose reconstruction and projection capabilities have also been applied to studies of Nagasaki, Chernobyl, the Mayak industrial complex in the former Soviet Union, the Nevada Test Site, Bikini Atoll, and other sites. We are evaluating the information being collected on individuals currently working with radioactive material at Livermore and elsewhere as well as previously collected data on workers that extends back to the Manhattan Project.

Walter, K.

1997-01-01T23:59:59.000Z

314

ACS WFC CCD Radiation Test: The Radiation Environment  

E-Print Network (OSTI)

of external surfaces by naturally occurring atomic oxygen. CCD detectors are particularly vulnerable to damage damage. A comprehensive discussion of the types of radiation damage known to occur in CCDs is beyond1 ACS WFC CCD Radiation Test: The Radiation Environment Michael R. Jones Space Telescope Science

Sirianni, Marco

315

Nanoscale Engineering Of Radiation Tolerant Silicon Carbide....  

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

Engineering Of Radiation Tolerant Silicon Carbide. Nanoscale Engineering Of Radiation Tolerant Silicon Carbide. Abstract: Radiation tolerance is determined by how effectively the...

316

Annual DOE Occupational Radiation Exposure Reports | Department...  

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

Annual DOE Occupational Radiation Exposure Reports Annual DOE Occupational Radiation Exposure Reports September 24, 2013 Annual DOE Occupational Radiation Exposure | 2012 Report...

317

Occupational Radiation Exposure | Department of Energy  

Energy Savers (EERE)

Radiation Exposure Welcome The Occupational Radiation Exposure Information page on this web page is intended to provide the latest available information on radiation exposure to...

318

Poster Sessions L. Shi, J. del Corral, V. Ramanathan, and E....  

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

prototype Atmospheric Radiation MeasuremenVCloud and Radiation Testbed (ARMCART) d;ata set is employed to validate the cloud parameterization in the model. These data are...

319

1  

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

analysis of the multi-instrument multifilter rotating shadowband radiometer (MFRSR) dataset from Atmospheric Radiation Measurement (ARM) Program Cloud and Radiation Testbed...

320

Acceleration and Classical Electromagnetic Radiation  

E-Print Network (OSTI)

Classical radiation from an accelerated charge is reviewed along with the reciprocal topic of accelerated observers detecting radiation from a static charge. This review commemerates Bahram Mashhoon's 60th birthday.

E. N. Glass

2008-01-09T23:59:59.000Z

Note: This page contains sample records for the topic "radiation testbed cart" 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

Mathematical Problems of Radiative Equilibrium  

Science Journals Connector (OSTI)

... in turn with the cases of purely absorbing and grey material in local radiative equilibrium (Schwarzschild-Milne model) and that of monochromatic radiative equilibrium with scattering but zero emissivity (Schuster ...

1935-01-12T23:59:59.000Z

322

Health Physicist (Radiation Protection Specialist)  

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

A successful candidate in this position will serve as the Health Physicist (Radiation Protection Specialist) senior subject matter expert for health physics/radiation safety at the sites. You will...

323

Nuclear radiation electronic gear (continued)  

Science Journals Connector (OSTI)

Nuclear radiation electronic gear (continued) ... Examines nuclear instrumentation available from several major U.S. manufacturers. ... Nuclear / Radiochemistry ...

S. Z. Lewin

1961-01-01T23:59:59.000Z

324

DOE Radiation Records Contacts List  

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

DOE radiation records contact list for individuals to obtain records of occupational exposure directly from a DOE site.

325

Gamma radiation field intensity meter  

DOE Patents (OSTI)

A gamma radiation intensity meter measures dose rate of a radiation field. The gamma radiation intensity meter includes a tritium battery emitting beta rays generating a current which is essentially constant. Dose rate is correlated to an amount of movement of an electroscope element charged by the tritium battery. Ionizing radiation decreases the voltage at the element and causes movement. A bleed resistor is coupled between the electroscope support element or electrode and the ionization chamber wall electrode. 4 figs.

Thacker, L.H.

1995-10-17T23:59:59.000Z

326

Gamma radiation field intensity meter  

DOE Patents (OSTI)

A gamma radiation intensity meter measures dose rate of a radiation field. The gamma radiation intensity meter includes a tritium battery emitting beta rays generating a current which is essentially constant. Dose rate is correlated to an amount of movement of an electroscope element charged by the tritium battery. Ionizing radiation decreases the voltage at the element and causes movement. A bleed resistor is coupled between the electroscope support element or electrode and the ionization chamber wall electrode. 4 figs.

Thacker, L.H.

1994-08-16T23:59:59.000Z

327

Gamma radiation field intensity meter  

DOE Patents (OSTI)

A gamma radiation intensity meter measures dose rate of a radiation field. The gamma radiation intensity meter includes a tritium battery emitting beta rays generating a current which is essentially constant. Dose rate is correlated to an amount of movement of an electroscope element charged by the tritium battery. Ionizing radiation decreases the voltage at the element and causes movement. A bleed resistor is coupled between the electroscope support element or electrode and the ionization chamber wall electrode.

Thacker, Louis H. (Knoxville, TN)

1995-01-01T23:59:59.000Z

328

Gamma radiation field intensity meter  

DOE Patents (OSTI)

A gamma radiation intensity meter measures dose rate of a radiation field. The gamma radiation intensity meter includes a tritium battery emitting beta rays generating a current which is essentially constant. Dose rate is correlated to an amount of movement of an electroscope element charged by the tritium battery. Ionizing radiation decreases the voltage at the element and causes movement. A bleed resistor is coupled between the electroscope support element or electrode and the ionization chamber wall electrode.

Thacker, Louis H. (Knoxville, TN)

1994-01-01T23:59:59.000Z

329

Radiation Preservation of Food, Commercialization Technology and Economics in Radiation Processing  

Science Journals Connector (OSTI)

Radiation Preservation of Food, Commercialization Technology and Economics in Radiation Processing ...

H. F. Kraybill; D. C. Brunton

1960-05-01T23:59:59.000Z

330

Environment/Health/Safety (EHS): Radiation Protection Group: Radiation  

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

Who To Call Who To Call Rad Training Dosimetry Telemetry Laser Safety Radiation Safety Committee Pub-3000 Ch. 21 Forms RPG Procedures RPG Internal Radiation Safety Committee Charter Purpose The Berkeley Lab Radiation Safety Committee (RSC) is appointed by, and reports to, the Laboratory Director and is responsible for advising LBNL Management on all matters related to occupational and environmental radiation safety. The Radiation Safety Committee reviews and recommends approval of radiation safety policies and guides the Environment, Health and Safety Division and radiation user divisions in carrying out these programs. The scope of its actions will generally be in issues of broad institutional concern and impact, or areas of potential high consequence either in terms of safety or institutional needs.

331

Atmospheric Radiation Measurement Program facilities newsletter, November 2002.  

SciTech Connect

Fall 2002 Intensive Operation Periods: Single Column Model and Unmanned Aerospace Vehicle--In an Intensive Operation Period (IOP) on November 3-23, 2002, researchers at the SGP CART site are collecting a detailed data set for use in improving the Single Column Model (SCM), a scaled-down climate model. The SCM represents one vertical column of air above Earth's surface and requires less computation time than a full-scale global climate model. Researchers first use the SCM to efficiently improve submodels of clouds, solar radiation transfer, and atmosphere-surface interactions, then implement the results in large-scale global models. With measured values for a starting point, the SCM predicts atmospheric variables during prescribed time periods. A computer calculates values for such quantities as the amount of solar radiation reaching the surface and predicts how clouds will evolve and interact with incoming light from the sun. Researchers compare the SCM's predictions with actual measurements made during the IOP, then adjust the submodels to make predictions more reliable. A second IOP conducted concurrently with the SCM IOP involves high-altitude, long-duration aircraft flights. The original plan was to use an unmanned aerospace vehicle (UAV), but the National Aeronautics and Space Administration (NASA) aircraft Proteus will be substituted because all UAVs have been deployed elsewhere. The UAV is a small, instrument-equipped, remote-control plane that is operated from the ground by a computer. The Proteus is a manned aircraft, originally designed to carry telecommunications relay equipment, that can be reconfigured for uses such as reconnaissance and surveillance, commercial imaging, launching of small space satellites, and atmospheric research. The plane is designed for two on-board pilots in a pressurized cabin, flying to altitudes up to 65,000 feet for as long as 18 hours. The Proteus has a variable wingspan of 77-92 feet and is 56 feet long. The plane can carry up to 7,260 pounds of equipment, making it a versatile research tool. The Proteus is making measurements at the very top of the cirrus cloud layer to characterize structures of these clouds. These new measurements will provide more accurate, more abundant data for use in improving the representation of clouds in the SCM. 2002-2003 Winter Weather Forecast--Top climate forecasters at the National Oceanic and Atmospheric Administration's (NOAA's) Climate Prediction Center say that an El Nino condition in the tropical Pacific Ocean will influence our winter weather this year. Although this El Nino is not as strong as the event of the 1997-1998 winter season, the United States will nevertheless experience some atypical weather. Strong impacts could be felt in several areas. Nationally, forecasters are predicting warmer-than-average temperatures over the northern tier of states and wetter-than-average conditions in the southern tier of states during the 2002-2003 winter season. Kansas residents should expect warmer and wetter conditions, while Oklahoma will be wetter than average.

Holdridge, D. J.

2002-12-03T23:59:59.000Z

332

Terahertz radiation mixer  

DOE Patents (OSTI)

A terahertz radiation mixer comprises a heterodyned field-effect transistor (FET) having a high electron mobility heterostructure that provides a gatable two-dimensional electron gas in the channel region of the FET. The mixer can operate in either a broadband pinch-off mode or a narrowband resonant plasmon mode by changing a grating gate bias of the FET. The mixer can beat an RF signal frequency against a local oscillator frequency to generate an intermediate frequency difference signal in the microwave region. The mixer can have a low local oscillator power requirement and a large intermediate frequency bandwidth. The terahertz radiation mixer is particularly useful for terahertz applications requiring high resolution.

Wanke, Michael C. (Albuquerque, NM); Allen, S. James (Santa Barbara, CA); Lee, Mark (Albuquerque, NM)

2008-05-20T23:59:59.000Z

333

Time encoded radiation imaging  

DOE Patents (OSTI)

The various technologies presented herein relate to detecting nuclear material at a large stand-off distance. An imaging system is presented which can detect nuclear material by utilizing time encoded imaging relating to maximum and minimum radiation particle counts rates. The imaging system is integrated with a data acquisition system that can utilize variations in photon pulse shape to discriminate between neutron and gamma-ray interactions. Modulation in the detected neutron count rates as a function of the angular orientation of the detector due to attenuation of neighboring detectors is utilized to reconstruct the neutron source distribution over 360 degrees around the imaging system. Neutrons (e.g., fast neutrons) and/or gamma-rays are incident upon scintillation material in the imager, the photons generated by the scintillation material are converted to electrical energy from which the respective neutrons/gamma rays can be determined and, accordingly, a direction to, and the location of, a radiation source identified.

Marleau, Peter; Brubaker, Erik; Kiff, Scott

2014-10-21T23:59:59.000Z

334

Radiation Emergency Procedure Demonstrations  

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

Managing Radiation Emergencies Managing Radiation Emergencies Procedure Demonstrations Procedure Demonstrations Note: RealPlayer is needed for listening to the narration that accompany these demonstrations. Real Player Dressing To Prevent the Spread of Radioactive Contamination This demonstration shows how your team can dress to prevent the spread of radioactive contamination. Click to begin presentation on dressing to prevent the spread of radioactive contamination. Preparing The Area This demonstration shows basic steps you can take to gather equipment and prepare a room to receive a patient who may be contaminated with radioactive material. Click to begin presentation on preparing a room to receive a radioactive contaminated patient. Removing Contaminated Clothing This demonstration shows the procedure for removing clothing from a patient who may be contaminated with radioactive material.

335

Semiconductor radiation detector  

DOE Patents (OSTI)

A semiconductor radiation detector is provided to detect x-ray and light photons. The entrance electrode is segmented by using variable doping concentrations. Further, the entrance electrode is physically segmented by inserting n+ regions between p+ regions. The p+ regions and the n+ regions are individually biased. The detector elements can be used in an array, and the p+ regions and the n+ regions can be biased by applying potential at a single point. The back side of the semiconductor radiation detector has an n+ anode for collecting created charges and a number of p+ cathodes. Biased n+ inserts can be placed between the p+ cathodes, and an internal resistor divider can be used to bias the n+ inserts as well as the p+ cathodes. A polysilicon spiral guard can be implemented surrounding the active area of the entrance electrode or surrounding an array of entrance electrodes.

Patt, Bradley E. (Sherman Oaks, CA); Iwanczyk, Jan S. (Los Angeles, CA); Tull, Carolyn R. (Orinda, CA); Vilkelis, Gintas (Westlake Village, CA)

2002-01-01T23:59:59.000Z

336

Aharonov-Bohm radiation  

SciTech Connect

A solenoid oscillating in vacuum will pair produce charged particles due to the Aharonov-Bohm (AB) interaction. We calculate the radiation pattern and power emitted for charged scalar particles. We extend the solenoid analysis to cosmic strings and find enhanced radiation from cusps and kinks on loops. We argue by analogy with the electromagnetic AB interaction that cosmic strings should emit photons due to the gravitational AB interaction of fields in the conical spacetime of a cosmic string. We calculate the emission from a kink and find that it is of similar order as emission from a cusp, but kinks are vastly more numerous than cusps and may provide a more interesting observational signature.

Jones-Smith, Katherine; Mathur, Harsh [CERCA, Department of Physics, Case Western Reserve University, Cleveland, Ohio 44106-7079 (United States); Vachaspati, Tanmay [CERCA, Department of Physics, Case Western Reserve University, Cleveland, Ohio 44106-7079 (United States); Institute for Advanced Study, Princeton, New Jersey 08540 (United States)

2010-02-15T23:59:59.000Z

337

Medical radiation protection in next decade  

Science Journals Connector (OSTI)

......towards increasing radiation safety levels. Whether...users whenever the radiation dose to the patient...human errors and software-related problems...global view of radiation protection in medicine...increasing radiation safety levels. Whether......

Madan M. Rehani; Eliseo Vano

2011-09-01T23:59:59.000Z

338

ARM - Publications: Science Team Meeting Documents  

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

Vertical Distribution of Cloud Condensation Nuclei at the Oklahoma CART Site Hudson, J.G., and Xie, Y., Desert Research Institute, University of Nevada Eighth Atmospheric Radiation...

339

Diffuse Irradiance Study Planned for October  

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

installed at the SGP CART site near Lamont, Oklahoma. The instruments measuring diffuse solar radiation have black sphere-shaped shades to keep direct sunlight from reaching the...

340

Coherence in Spontaneous Radiation Processes  

Science Journals Connector (OSTI)

By considering a radiating gas as a single quantum-mechanical system, energy levels corresponding to certain correlations between individual molecules are described. Spontaneous emission of radiation in a transition between two such levels leads to the emission of coherent radiation. The discussion is limited first to a gas of dimension small compared with a wavelength. Spontaneous radiation rates and natural line breadths are calculated. For a gas of large extent the effect of photon recoil momentum on coherence is calculated. The effect of a radiation pulse in exciting "super-radiant" states is discussed. The angular correlation between successive photons spontaneously emitted by a gas initially in thermal equilibrium is calculated.

R. H. Dicke

1954-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation testbed cart" 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

Method for microbeam radiation therapy  

DOE Patents (OSTI)

A method is disclosed of performing radiation therapy on a patient, involving exposing a target, usually a tumor, to a therapeutic dose of high energy electromagnetic radiation, preferably X-ray radiation. The dose is in the form of at least two non-overlapping microbeams of radiation, each microbeam having a width of less than about 1 millimeter. Target tissue exposed to the microbeams receives a radiation dose during the exposure that exceeds the maximum dose that such tissue can survive. Non-target tissue between the microbeams receives a dose of radiation below the threshold amount of radiation that can be survived by the tissue, and thereby permits the non-target tissue to regenerate. The microbeams may be directed at the target from one direction, or from more than one direction in which case the microbeams overlap within the target tissue enhancing the lethal effect of the irradiation while sparing the surrounding healthy tissue. No Drawings

Slatkin, D.N.; Dilmanian, F.A.; Spanne, P.O.

1994-08-16T23:59:59.000Z

342

Anisotropic radiation elds: causality and quantum statistics  

E-Print Network (OSTI)

radiation transport 5 2.1 Radiation transport equation . . . . . . . . . . . . . . . . . . 5 2.2 Closures The transport of radiation through a medium is described by the radiation transport equation for the radiative is used to describe anisotropic radiation. Because the two moment equations do not form a closed set

Honingh, Aline

343

Influence of Extraterrestrial Radiation on Radiation Portal Monitors  

SciTech Connect

Cosmic radiation and solar flares can be a major source of background radiation at the Earth’s surface. This paper examines the relationship between extraterrestrial radiation and the detectable background in radiation portal monitors used for homeland security applications. Background radiation data from 13 radiation portal monitor facilities are examined and compared against external sources of data related to extraterrestrial radiation, including measurements at neutron monitors located at 53 cosmic-ray observatories around the Earth, four polar orbiting satellites, three geostationary satellites, ground-based geomagnetic field data from observatories around the Earth, a solar magnetic index, solar radio flux data, and sunspot activity data. Four-years (January 2003 through December 2006) of data are used in this study, which include the latter part of Solar Cycle 23 as solar activity was on the decline. The analysis shows a significant relationship between some extraterrestrial radiation and the background detected in the radiation portal monitors. A demonstrable decline is shown in the average gamma ray and neutron background at the radiation portal monitors as solar activity declined over the period of the study.

Keller, Paul E.; Kouzes, Richard T.

2009-06-01T23:59:59.000Z

344

Lesson 4 - Ionizing Radiation | Department of Energy  

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

4 - Ionizing Radiation 4 - Ionizing Radiation Lesson 4 - Ionizing Radiation Lesson Three showed that unstable isotopes emit energy as they become more stable. This energy is known as radiation. This lesson explores forms of radiation, where radiation is found, how we detect and measure radiation, what sources of radiation people are exposed to, whether radiation is harmful, and how we can limit our exposure. Specific topics covered in this lesson include: Types of radiation Non-ionizing Ionizing Forms of ionizing radiation Alpha particles Beta particles Gamma rays Radiation Decay chain Half-life Dose Radiation measurements Sources of radiation Average annual exposure Lesson 4 - Ionizing Radiation.pptx More Documents & Publications DOE-HDBK-1130-2008 DOE-HDBK-1130-2008 DOE-HDBK-1130-2007

345

ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation Measurement  

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

An Integrated Column Description An Integrated Column Description of the Atmosphere An Integrated Column Description of the Atmosphere Tom Ackerman Chief Scientist Tom Ackerman Chief Scientist ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation Measurement Pacific Northwest National Laboratory Pacific Northwest National Laboratory The "other" Washington ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation Measurement Credits to Credits to * Ric Cederwall * Xiquan Dong * Chuck Long * Jay Mace * Mark Miller * Robin Perez * Dave Turner and the rest of the ARM science team * Ric Cederwall * Xiquan Dong * Chuck Long * Jay Mace * Mark Miller * Robin Perez * Dave Turner and the rest of the ARM science team ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation Measurement Outline Outline * A little philosophy

346

Chronic Low Dose Radiation Effects on Radiation Sensitivity  

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

Chronic Low Dose Radiation Effects on Radiation Sensitivity Chronic Low Dose Radiation Effects on Radiation Sensitivity and Chromosome Instability Induction in TK6 Cells Schwartz J.L. 1 , Jordan R. 1 , Slovic J. 1 , Moruzzi A. 1 , Kimmel R. 2 , and Liber, H.L. 3 1 University of Washington, Seattle, WA; 2 Fred Hutchinson Cancer Research Center, Seattle, WA; 3 Colorado State University, Fort Collins, Colorado There are a number of cell responses that can be detected after low dose radiation exposures including the adaptive response, low dose hypersensitivity, and induced genomic instability. The relationship between these different phenomena is unknown. In this study, we measured adaptive responses, low dose hypersensitivity, and induced genomic instability in a human B-lymphoblastoid cell model, TK6, where we could genetically modify radiation responses by either over-expression of BCL-2 or deletion of TP53. TK6

347

RADIATION LABORATO DISCLAIMER  

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

R : R : . . . RADIATION LABORATO 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 responsibility 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. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any

348

Radiation imaging apparatus  

DOE Patents (OSTI)

A radiation imaging system using a charge multiplier and a position sensitive anode in the form of periodically arranged sets of interconnected anode regions for detecting the position of the centroid of a charge cloud arriving thereat from the charge multiplier. Various forms of improved position sensitive anodes having single plane electrode connections are disclosed. Various analog and digital signal processing systems are disclosed, including systems which use the fast response of microchannel plates, anodes and preamps to perform scintillation pulse height analysis digitally. 15 figs.

Anger, H.O.; Martin, D.C.; Lampton, M.L.

1983-07-26T23:59:59.000Z

349

Radiation imaging apparatus  

DOE Patents (OSTI)

A radiation imaging system using a charge multiplier and a position sensitive anode in the form of periodically arranged sets of interconnected anode regions for detecting the position of the centroid of a charge cloud arriving thereat from the charge multiplier. Various forms of improved position sensitive anodes having single plane electrode connections are disclosed. Various analog and digital signal processing systems are disclosed, including systems which use the fast response of microchannel plates, anodes and preamps to perform scintillation pulse height analysis digitally.

Anger, Hal O. (Berkeley, CA); Martin, Donn C. (Berkeley, CA); Lampton, Michael L. (Berkeley, CA)

1983-01-01T23:59:59.000Z

350

Los Alamos Lab: Radiation Protection: Annual Occupational Radiation  

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

Annual Occupational Radiation Dosimetry Report Print information on Annual Occupational Radiation Dosimetry Report (pdf). This webpage provides information to help you understand the dose quantities being reported to you on your Annual Occupational Radiation Dosimetry Report. If you would like general information about radiation exposure, please refer to www.radiationanswers.org. Title 10 Code of Federal Regulation Part 835, Occupational Radiation Protection (10 CFR 835), requires assessment, recording and reporting of radiation doses to individuals who are exposed to sources of radiation or radioactive contamination. This includes assessing external exposure from a variety of radiation types, such as, beta, photon, and neutron radiation. External exposures may be uniform over the whole body or occur in a non-uniform (i.e., limited body location) fashion. Internal doses occur when radioactive material is taken into the body through ingestion, inhalation, absorption or wounds. The requirements include assessing doses to the whole body, skin, lens of the eyes, extremities and various organs and tissues.

351

Measurement of radiation impedance of stepped piston radiator  

Science Journals Connector (OSTI)

It was noted in a paper given in 1972 [A. H. Lubell J. Acoust. Soc. Am. 52 1310 (1972)] that the radiation mass of a stepped piston underwater loudspeaker was approximately half of the value expected from simple piston theory. Recently the integral equation approach was used to compute the radiation impedance for the Lubell Laboratories model 98 underwater loudspeaker and new measurements were made. This paper reviews the measurement and data reduction procedures and compares measured and theoretical radiation impedances. The original observation of reduced radiation mass is supported. A companion paper covers the integral equation computation. [This work was supported by Lubell Laboratories Inc.

Alan H. Lubell

1986-01-01T23:59:59.000Z

352

Radiation Control Program and Radiation Control Act (Nebraska)  

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

This statute authorizes the state to implement a regulatory program for sources of radiation, and contains rules for the Department, licensing and registration, and taxation of radioactive materials.

353

Safety Around Sources of Radiation  

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

Keeping Exposure Low Keeping Exposure Low Working Safely Around Radioactive Contamination Types of Radiation Exposure Managing Radiation Emergencies Procedure Demonstration Is it safe to be around sources? Too much radiation exposure is harmful. The degree of radiation injury depends on the amount of radiation received and the time involved. In general, the higher the amount, the greater the severity of early effects (occurring within a few weeks) and the greater the possibility of late effects such as cancer. The BEIR V (Biological Effects of Ionizing Radiation) Committee of the National Research Council estimates that among 100,000 people exposed to a one-time dose of 10 rem (10,000 mrem) and followed over their life span, about 790 more would die of cancer than the estimated 20,000 cancer deaths that would be expected among a non-exposed group of the same size. NOTE: 10 rem = 100 millisieverts (100 mSv).

354

Radiation transport in inhomogeneous media  

SciTech Connect

Calculations of radiation transport in heated materials are greatly complicated by the presence of regions in which two or more materials are inhomogeneously mixed. This phenomenon is important in many systems, such as astrophysical systems where density clumps can be found in star-forming regions and molecular clouds. Laboratory experiments have been designed to test the modeling of radiation transport through inhomogeneous plasmas. A laser-heated hohlraum is used as a thermal source to drive radiation through polymer foam containing randomly distributed gold particles. Experimental measurements of radiation transport in foams with gold particle sizes ranging from 5-9 {mu}m to submicrometer diameters as well as the homogeneous foam case are presented. The simulation results of the radiation transport are compared to the experiment and show that an inhomogeneous transport model must be applied to explain radiation transport in foams loaded with 5 {mu}m diameter gold particles.

Keiter, Paul; Gunderson, Mark [Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States); Foster, John; Rosen, Paula; Comley, Andrew; Taylor, Mark [AWE Aldermaston, Reading, RG7 4PR (United Kingdom); Perry, Ted [Lawrence Livermore National Laboratory, Livermore, California 94550 (United States)

2008-05-15T23:59:59.000Z

355

Radiative Rayleigh-Taylor instabilities  

E-Print Network (OSTI)

We perform analytic linear stability analyses of an interface separating two stratified media threaded by a radiation flux, a configuration relevant in several astrophysical contexts. We develop a general framework for analyzing such systems, and obtain exact stability conditions in several limiting cases. In the optically thin, isothermal regime, where the discontinuity is chemical in nature (e.g.\\ at the boundary of a radiation pressure-driven H \\textsc{ii} region), radiation acts as part of an effective gravitational field, and instability arises if the effective gravity per unit volume toward the interface overcomes that away from it. In the optically thick "adiabatic" regime where the total (gas plus radiation) specific entropy of a Lagrangian fluid element is conserved,for example at the edge of radiation pressure-driven bubble around a young massive star, we show that radiation acts like a modified equation of state, and we derive a generalized version of the classical Rayleigh-Taylor stability conditi...

Jacquet, Emmanuel

2011-01-01T23:59:59.000Z

356

Cataractogenic effects of proton radiation  

E-Print Network (OSTI)

of proton radiation damage. The purpose of this study was (1) to determine the relative cataractogenic effects of different proton en- ergies, (2) to determine the relative cataractogenic effects of different radiation doses and (3) to determine... Laboratory in 1945 and 1946. Ten victims were exposed to various doses of moderately fast neutrons and hard gamma rays. In the eight survivors, two radiation cataracts resulted (15). In 1948 it was reported that five nuclear physicists with a common...

Kyzar, James Ronald

2012-06-07T23:59:59.000Z

357

Deterministic methods in radiation transport  

SciTech Connect

The Seminar on Deterministic Methods in Radiation Transport was held February 4--5, 1992, in Oak Ridge, Tennessee. Eleven presentations were made and the full papers are published in this report, along with three that were submitted but not given orally. These papers represent a good overview of the state of the art in the deterministic solution of radiation transport problems for a variety of applications of current interest to the Radiation Shielding Information Center user community.

Rice, A.F.; Roussin, R.W. (eds.)

1992-06-01T23:59:59.000Z

358

Radiation Emergency Medicine Fact Sheet  

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

Improving Global Response Improving Global Response to Radiation Emergencies Improving Radiation Emergency Response Through Education and Specialized Expertise In the event of a radiological or nuclear incident, first responders as well as hospital and emergency management personnel must call on their knowledge and training to provide immediate and effective care for victims. Through practical, hands-on education programs, Oak Ridge Associated Universities (ORAU) is improving global response to radiation emergencies. In addition, dedicated 24/7 deployable teams of physicians, nurses, and health physicists from the Radiation Emergency Assistance Center/Training Site (REAC/TS), which is managed by ORAU for DOE/NNSA, provide expert medical management of radiological incidents

359

Presentation: Synchrotron Radiation Light Sources  

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

A briefing to the Secretary's Energy Advisory Board on Synchrotron Radiation Light Sources delivered by Patricia Dehmer, U.S. Department of Energy

360

Reporting Occupational Radiation Exposure Data  

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

IMPORTANT NOTICE: Due to increasing security concerns for the protection of Personnally Identifiable Information (PII), AU-23 has issued a policy statement regarding the submission of radiation...

Note: This page contains sample records for the topic "radiation testbed cart" 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

RADIATION SAFETY COMMITTEE The Radiation Safety Committee shall advise the Provost on all policy matters relating to radiation safety;  

E-Print Network (OSTI)

RADIATION SAFETY COMMITTEE Functions The Radiation Safety Committee shall advise the Provost on all policy matters relating to radiation safety; formulate campus radiation safety policies in compliance the Risk Manager) monitor the performance of the Radiation Safety Officer as it relates to implementation

Sze, Lawrence

362

RADIATION APPLICATIONS INCORPORATED  

Office of Legacy Management (LM)

. <' ," . . * . RADIATION APPLICATIONS INCORPORATED . 370 Lexl.ngton Avenue New York 17# New York jq.5' L- Contract No. A T (30-l)-2093 with the United States Atom ic Energy Commission F O A M SEPARATION Progress Report for March, 1959 Abstract Appreciable cesium enrichment in the foam has been obtained using the system sodium tetraphenyl boron-Geigy reagent. Enrichment ratios varied from 1.5 to 3.5 depending upon operating conditions. The en- richment appears to depend on the ratio of the sodium tetraphenyl boron to Geigy reagent rather than on the absolute values of the indi- vidual concentrations. Further experiments are being conducted to verify and extend the range of results. Continuous countercurrent column operation has been continued.

363

Appendix F. Radiation Annual Site Environmental Report  

E-Print Network (OSTI)

from natural and human-made sources. People are exposed to naturally occurring radiation constantlyAppendix F. Radiation #12;Annual Site Environmental Report Appendix F. Radiation F-3 Appendix F. Radiation This appendix presents basic facts about radiation. The information is intended to be a basis

Pennycook, Steve

364

Biological Applications of Synchrotron Radiation:  

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

Biological Applications of Synchrotron Radiation: Biological Applications of Synchrotron Radiation: An Evaluation of the State of the Field in 2002 A BioSync Report. Issued by the Structural Biology Synchrotron users Organization, October, 2002. 2 Table of Contents: Introduction .................................................................................................... 3 Abbreviations .................................................................................................. 5 Executive Summary ......................................................................................... 6 General Concerns ............................................................................................ 9 Synchrotron operations and maintenance ............................................... 9 NSLS, CHESS and the geographical distribution of beam lines

365

RADIATION PROTECTION KEYWORDS: equivalent sphere  

E-Print Network (OSTI)

RADIATION PROTECTION KEYWORDS: equivalent sphere model, space radiation, organ dose IMPROVEMENT- alent sphere is used to represent the organ for a fast estimate of the organ dose. It has been found ~ESM! with an organ- specific constant radius parameter is used for fast estimates of the organ dose

Lin, Zi-wei

366

Radiation Environment Assimilation Model (DREAM).  

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

DREAM tool increases space weather DREAM tool increases space weather predictions April 13, 2012 Predicting space weather improved by new DREAM modeling tool Earth's radiation belts can now be studied with a new modeling tool called Dynamic Radiation Environment Assimilation Model (DREAM). Researchers in LANL's Space Science and Applications (ISR-1) group are developing DREAM and described its current capabilities and applications in an article published in Space Weather, a journal of the American Geophysical Union. - 2 - Space environment and its hazards The space environment poses a number of radiation hazards to space systems and their occupants. Relativistic electrons, the dominant source of the radiation dose to spacecraft traveling in the outer radiation belts (3-7 Earth radii), have an electron flux

367

NREL: Solar Radiation Research - Facilities  

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

Facilities Facilities Photo of two researchers standing on a platform near a solar tracker at the Solar Radiation Research Laboratory. The Solar Radiation Research Laboratory gathers solar radiation and meteorological data on South Table Mountain. NREL's Solar Radiation Research Laboratory (SRRL) has been collecting continuous measurements of basic solar radiation components since 1981. Since then, it has expanded its expertise to include integrated metrology, optics, electronics, and data acquisition capabilities. In addition, the SRRL provides facilities for outdoor performance testing of new research instrumentation and energy conversion devices such as photovoltaic modules. The SRRL is located on NREL's South Table Mountain site in Golden, Colorado, where it has excellent solar access because of its unrestricted

368

7 - Estimation of Radiation Doses  

Science Journals Connector (OSTI)

Abstract Radiation doses to the Japanese population from inhalation of contaminated air, external irradiation, terrestrial and marine food contamination are estimated and compared with other sources of anthropogenic (global fallout, Chernobyl accident), natural (radionuclides in food, cosmic radiation) and medical applications (X-ray tests, CT-tests, etc.) of ionizing radiation. The estimated doses from inhalation, ingestion of terrestrial and marine food, and radiation exposure from radioactive clouds and deposited radionuclides were generally below the levels which could cause health damage of the Japanese population, as well as of the world population. The estimated total radiation doses to fish and shellfish in coastal waters during the largest radionuclide releases were by a factor of 10 lower than the baseline safe level postulated for the marine organisms, therefore no harmful effects are expected for the marine ecosystem as well.

Pavel P. Povinec; Katsumi Hirose; Michio Aoyama

2013-01-01T23:59:59.000Z

369

Algae Testbed Public-Private Partnership  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Gary Dirks John McGowen Thomas Dempster Milt Sommerfeld William Brandt Jessica Cheng Jordan McAllister Sarah Arrowsmith David Cardello Theresa Rosov Mary Cuevas Jeffrey Prairie...

370

The Implementation of an Autonomous Helicopter Testbed  

Science Journals Connector (OSTI)

Miniature Unmanned Aerial Vehicles (UAVs) are currently being researched for a wide range of tasks, including search and rescue, surveillance, reconnaissance, traffic monitoring, fire detection, pipe and electrical line inspection, and border patrol ... Keywords: Helicopter control, Helicopter reliability, Mobile robots, Modular computer systems

R. D. Garcia; K. P. Valavanis

2009-03-01T23:59:59.000Z

371

Potential Health Hazards of Radiation | Department of Energy  

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

Potential Health Hazards of Radiation Potential Health Hazards of Radiation Potential Health Hazards of Radiation Potential Health Hazards of Radiation More Documents &...

372

Molecular Pathways: Targeted ?-Particle Radiation Therapy  

Science Journals Connector (OSTI)

...and profibrotic cytokines. Radiation-induced malignancy can...1-5 Gy). Kyoji Furukawa (Radiation Effect Research Foundation, Hiroshima, Japan) reviewed the Japanese atomic...late effects of ionizing radiation exposure at low/moderate...

Kwamena E. Baidoo; Kwon Yong; and Martin W. Brechbiel

2013-02-01T23:59:59.000Z

373

Resistance of Marine Bacterioneuston to Solar Radiation  

Science Journals Connector (OSTI)

...of Marine Bacterioneuston to Solar Radiation Helene Agogue Fabien...after exposure to simulated solar radiation. Bacterioneuston...estimate of their screening capacity. Appl. Environ. Microbiol...D. P. 2000. Effects of solar UV-B radiation on aquatic...

Hélène Agogué; Fabien Joux; Ingrid Obernosterer; Philippe Lebaron

2005-09-01T23:59:59.000Z

374

Compton Sources of Electromagnetic Radiation  

SciTech Connect

When a relativistic electron beam interacts with a high-field laser beam, intense and highly collimated electromagnetic radiation will be generated through Compton scattering. Through relativistic upshifting and the relativistic Doppler effect, highly energetic polarized photons are radiated along the electron beam motion when the electrons interact with the laser light. For example, X-ray radiation can be obtained when optical lasers are scattered from electrons of tens-of-MeV beam energy. Because of the desirable properties of the radiation produced, many groups around the world have been designing, building, and utilizing Compton sources for a wide variety of purposes. In this review article, we discuss the generation and properties of the scattered radiation, the types of Compton source devices that have been constructed to date, and the prospects of radiation sources of this general type. Due to the possibilities of producing hard electromagnetic radiation in a device that is small compared to the alternative storage ring sources, it is foreseen that large numbers of such sources may be constructed in the future.

Geoffrey Krafft,Gerd Priebe

2011-01-01T23:59:59.000Z

375

DOE 2013 Occupational Radiation Exposure Report  

Office of Environmental Management (EM)

available on the U.S. Department of Energy Radiation Exposure Monitoring System Program Web Site at: http:energy.govehssoccupational-radiation-exposure Foreword iii MATTHEW B....

376

Annual DOE Occupational Radiation Exposure | 2008 Report  

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

The DOE 2008 Occupational Radiation Exposure Report analyzes occupational radiation exposures at U.S. Department of Energy (DOE) facilities during 2008.

377

ANNUAL DOE OCCUPATIONAL RADIATION EXPOSURE | 2013 REPORT  

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

The DOE 2013 Occupational Radiation Exposure Report analyzes occupational radiation exposures at U.S. Department of Energy (DOE) facilities during 2013.

378

10 CFR 835- Occupational Radiation Protection  

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

The rules in this part establish radiation protection standards, limits, and program requirements for protecting individuals from ionizing radiation resulting from the conduct of DOE activities.

379

Code of Federal Regulations OCCUPATIONAL RADIATION PROTECTION  

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

The rules in this part establish radiation protection standards, limits, and program requirements for protecting individuals from ionizing radiation resulting from the conduct of DOE activities.

380

Annual DOE Occupational Radiation Exposure | 2004 Report  

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

The DOE 2004 Occupational Radiation Exposure Report analyzes occupational radiation exposures at U.S. Department of Energy (DOE) facilities during 2004.

Note: This page contains sample records for the topic "radiation testbed cart" 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

12.815 Atmospheric Radiation, Fall 2005  

E-Print Network (OSTI)

Introduction to the physics of atmospheric radiation and remote sensing including use of computer codes. Radiative transfer equation including emission and scattering, spectroscopy, Mie theory, and numerical solutions. ...

Prinn, Ronald G.

382

Annual DOE Occupational Radiation Exposure | 2000 Report  

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

The DOE 2000 Occupational Radiation Exposure Report analyzes occupational radiation exposures at U.S. Department of Energy (DOE) facilities during 2000.

383

Annual DOE Occupational Radiation Exposure | 1999 Report  

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

The DOE Occupational Radiation Exposure Report, 1999 reports occupational radiation exposures incurred by individuals at DOE facilities during the calendar year 1999.

384

Annual DOE Occupational Radiation Exposure | 1974 Report  

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

The Seventh Annual Report of Radiation Exposures for AEC & AEC Contractor Employees analyzes occupational radiation exposures at the Atomic Energy Commission (AEC) and its contractor employees during 1974.

385

Annual DOE Occupational Radiation Exposure | 1997 Report  

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

The DOE Occupational Radiation Exposure Report, 1997 reports occupational radiation exposures incurred by individuals at U.S. Department of Energy (DOE) facilities during the calendar year 1997.

386

Annual DOE Occupational Radiation Exposure | 1995 Report  

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

The DOE Occupational Radiation Exposure Report, 1995 reports occupational radiation exposures incurred by individuals at U.S. Department of Energy (DOE) facilities during the calendar year 1995.

387

Annual DOE Occupational Radiation Exposure | 1996 Report  

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

The DOE Occupational Radiation Exposure Report, 1996 reports occupational radiation exposures incurred by individuals at U.S. Department of Energy (DOE) facilities during the calendar year 1996.

388

Annual DOE Occupational Radiation Exposure | 1998 Report  

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

The DOE Occupational Radiation Exposure Report, 1998 reports occupational radiation exposures incurred by individuals at DOE facilities during the calendar year 1998.

389

Annual DOE Occupational Radiation Exposure | 2001 Report  

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

The DOE 2001 Occupational Radiation Exposure Report analyzes occupational radiation exposures at U.S. Department of Energy (DOE) facilities during 2001.

390

Standards for Protection Against Radiation (Michigan)  

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

This rule establishes standards for protection against radiation hazards. In addition to complying with requirements set forth, every reasonable effort should be made to maintain radiation levels...

391

Low Dose Radiation Research Program: Low Dose Radiation Effects in  

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

Radiation Effects in Differentiating Human Lens Cells Radiation Effects in Differentiating Human Lens Cells E.A. Blakely1, M.P. McNamara1, P.Y. Chang1, K.A. Bjornstad1, D. Sudar1, and A.C. Thompson2 1Life Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California; 2Advanced Light Source Division, Lawrence Berkeley National Laboratory, Berkeley, California. Introduction The human lens is one of the most radiosensitive organs of the body. Cataract, the opacification of the lens, is a late-appearing response to radiation damage. There are few data available on the late radiation effects of exposure in space flight to charged particle beams, the most prevalent of which are protons. Basic research in this area is needed to integrate the responses of both critical and other representative tissues

392

Low Dose Radiation Research Program: DOE Lowdose Radiation Program Workshop  

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

Using a Low LET Electron Microbeam to Investigate Non-Targeted Using a Low LET Electron Microbeam to Investigate Non-Targeted Effects of Low Dose Radiation. Authors: William F. Morgan1 and Marianne B. Sowa2 Institutions: 1Radiation Oncology Research Laboratory, University of Maryland, Baltimore MD 21201 2 Chemical Structure and Dynamics, Pacific Northwest National Laboratory, Richland WA 99352 We have recently installed a low LET electron microbeam that generates energetic electrons to mimic radiation damage from gamma and x-ray sources. It has been designed such that high-energy electrons deposit energy in a pre-selected subset of cells leaving neighboring cells unirradiated (Figure 1). In this way it is possible to examine non-targeted effects associated with low dose radiation exposure including induced genomic instability and

393

NREL: Solar Radiation Research - Solar Radiation Research Laboratory  

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

Solar Radiation Research Laboratory Photographs Solar Radiation Research Laboratory Photographs The Solar Radiation Research Laboratory (SRRL) houses more than 70 instruments to analyze and record solar radiation and surface meteorology data. Learn more about this equipment by exploring the photographs below. Click on a thumbnail to view the full image. Photo of researcher working on an instrument platform in front of the SRRL building. The SRRL is located on South Table Mountain in Golden, Colorado, at 39.74° N, 105.18° W, and 1,829 m AMSL. Photo of four researchers working on equipment atop the SRRL instrument deck. The SRRL's instrument deck is 96 ft long and 16 feet wide. Photo of two pyrheliometers mounted to an automatic sun-tracking base. These two SRRL pyrheliometers are mounted to automatically track the sun

394

Actively driven thermal radiation shield  

DOE Patents (OSTI)

A thermal radiation shield for cooled portable gamma-ray spectrometers. The thermal radiation shield is located intermediate the vacuum enclosure and detector enclosure, is actively driven, and is useful in reducing the heat load to mechanical cooler and additionally extends the lifetime of the mechanical cooler. The thermal shield is electrically-powered and is particularly useful for portable solid-state gamma-ray detectors or spectrometers that dramatically reduces the cooling power requirements. For example, the operating shield at 260K (40K below room temperature) will decrease the thermal radiation load to the detector by 50%, which makes possible portable battery operation for a mechanically cooled Ge spectrometer.

Madden, Norman W. (Livermore, CA); Cork, Christopher P. (Pleasant Hill, CA); Becker, John A. (Alameda, CA); Knapp, David A. (Livermore, CA)

2002-01-01T23:59:59.000Z

395

Radiator Labs | Department of Energy  

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

Radiator Labs Radiator Labs National Clean Energy Business Plan Competition Radiator Labs Columbia University More than 14 million housing units, or 10 percent of the national housing stock, is heated by steam and hot water. Steam heating, which represents the majority of this market, is particularly inefficient, and is characterized by a central source of steam generation with a convective distribution system via a network of pipes and radiators. There is no way to control heat transfer through this network, so building managers configure boiler systems to treat a building as a single zone keeping the coldest apartment above a minimum statutory temperature. This results in overheating of the other spaces in the building due to differences in exposure, level of insulation, distribution system heating,

396

Radiator Labs | Department of Energy  

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

Competition » Radiator Labs Competition » Radiator Labs National Clean Energy Business Plan Competition Radiator Labs Columbia University More than 14 million housing units, or 10 percent of the national housing stock, is heated by steam and hot water. Steam heating, which represents the majority of this market, is particularly inefficient, and is characterized by a central source of steam generation with a convective distribution system via a network of pipes and radiators. There is no way to control heat transfer through this network, so building managers configure boiler systems to treat a building as a single zone keeping the coldest apartment above a minimum statutory temperature. This results in overheating of the other spaces in the building due to differences in exposure, level of insulation, distribution system heating,

397

Radiator Labs | Department of Energy  

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

Competition » Radiator Labs Competition » Radiator Labs National Clean Energy Business Plan Competition Radiator Labs Columbia University More than 14 million housing units, or 10 percent of the national housing stock, is heated by steam and hot water. Steam heating, which represents the majority of this market, is particularly inefficient, and is characterized by a central source of steam generation with a convective distribution system via a network of pipes and radiators. There is no way to control heat transfer through this network, so building managers configure boiler systems to treat a building as a single zone keeping the coldest apartment above a minimum statutory temperature. This results in overheating of the other spaces in the building due to differences in exposure, level of insulation, distribution system heating,

398

ARM - Measurement - Radiative heating rate  

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

govMeasurementsRadiative heating rate govMeasurementsRadiative heating rate ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Measurement : Radiative heating rate The heating rate due to the divergence of long and shortwave radiative flux. Categories Radiometric, Atmospheric State Instruments The above measurement is considered scientifically relevant for the following instruments. Refer to the datastream (netcdf) file headers of each instrument for a list of all available measurements, including those recorded for diagnostic or quality assurance purposes. External Instruments MOLTS : Model Output Location Time Series Datastreams MOLTS : Model Output Location Time Series Datastreams MOLTSEDASSNDCLASS1 : Model Output Loc. Time Ser. (MOLTS): EDAS

399

Radiation Leukaemongenesis at Low Doses  

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

Leukaemongenesis at Low Doses Leukaemongenesis at Low Doses Simon Bouffler Health Protection Agency Abstract Myeloid leukaemias feature prominently among the cancers associated with human exposures to ionising radiation. The CBA mouse model of radiation-induced acute myeloid leukaemia (AML) has been used extensively for both quantitative and mechanistic studies. Loss of genetic material from chromosome 2 (chr2) is known to be associated with most radiation-induced AMLs. AML develops in CBA mice exposed to X- or γ-radiation, after a mean latency period of 18 months, with a maximal incidence of approximately 25% at 3Gy. A strong candidate AML-suppressor gene located within the commonly deleted region of chr2 has been identified, Sƒpil/PU.1. This gene suffers hemizygous loss and specific

400

ARM - Measurement - Aerosol backscattered radiation  

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

backscattered radiation backscattered radiation ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Measurement : Aerosol backscattered radiation The scattering of radiant energy into the hemisphere of space bounded by a plane normal to the direction of the incident radiation and lying on the same side as the incident ray. Categories Aerosols Instruments The above measurement is considered scientifically relevant for the following instruments. Refer to the datastream (netcdf) file headers of each instrument for a list of all available measurements, including those recorded for diagnostic or quality assurance purposes. ARM Instruments AOS : Aerosol Observing System MPL : Micropulse Lidar NEPHELOMETER : Nephelometer

Note: This page contains sample records for the topic "radiation testbed cart" 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.
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401

Measurement of solar radiation exergy  

Science Journals Connector (OSTI)

Methods of estimating the energy of solar radiation during it conversion into other forms of energy-thermal, photoelectric, and chemical-during photosynthesis of plants are examined. Analytical expressions are gi...

I. I. Sventitskii; A. P. Grishin

2009-12-01T23:59:59.000Z

402

Plasma Radiation by Rough Surfaces  

Science Journals Connector (OSTI)

The recent observation of a peak of scattered radiation at the plasma frequency from thin metal foils irradiated with light can be explained in terms of a small amount of surface roughness of the foils.

Edward A. Stern

1967-12-04T23:59:59.000Z

403

Medical applications of synchrotron radiation  

SciTech Connect

Ever since the first diagnostic x-ray was done in the United States on February 3, 1896, the application of ionizing radiation to the field of medicine has become increasingly important. Both in clinical medicine and basic research the use of x-rays for diagnostic imaging and radiotherapy is now widespread. Radiography, angiography, CAT and PETT scanning, mammography, and nuclear medicine are all examples of technologies developed to image the human anatomy. In therapeutic applications, both external and internal sources of radiation are applied to the battle against cancer. The development of dedicated synchrotron radiation sources has allowed exciting advances to take place in many of these applications. The new sources provide tunable, high-intensity monochromatic beams over a wide range of energies which can be tailored to specific programmatic needs. This paper surveys those areas of medical research in which synchrotron radiation facilities are actively involved.

Thomlinson, W.

1991-10-01T23:59:59.000Z

404

High-let radiation carcinogenesis  

SciTech Connect

Recent results for neutron radiation-induced tumors are presented to illustrate the complexities of the dose-response curves for high-LET radiation. It is suggested that in order to derive an appropriate model for dose-response curves for the induction of tumors by high-LET radiation it is necessary to take into account dose distribution, cell killing and the susceptibility of the tissue under study. Preliminary results for the induction of Harderian gland tumors in mice exposed to various heavy ion beams are presented. The results suggest that the effectiveness of the heavy ion beams increases with increasing LET. The slopes of the dose-response curves for the different high-LET radiations decrease between 20 and 40 rads and therefore comparisons of the relative effectiveness should be made from data obtained at doses below about 20 to 30 rads.

Fry, R.J.M.; Powers-Risius, P.; Alpen, E.L.; Ainsworth, E.J.; Ullrich, R.L.

1982-01-01T23:59:59.000Z

405

Quantum Theory of Synchroton Radiation  

Science Journals Connector (OSTI)

The classical relativistic expression for the synchrotron radiation spectrum has been generalized to include quantum corrections up to second order in ??/E [1]. The modifications can be traced to the discrete ...

Heimo G. Latal

1979-01-01T23:59:59.000Z

406

FAQS Reference Guide –Radiation Protection  

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

This reference guide has been developed to address the competency statements in the December 2003 edition of DOE-STD-1174-2003, Radiation Protection Functional Area Qualification Standard.

407

Radiation Incident on Tilted Collectors  

Science Journals Connector (OSTI)

For solar energy system design purposes, observations of solar radiation on a horizontal surface must be converted to values on a tilted energy collector. An empirical conversion relationship, introduced by Liu and Jordan (1960) and based on ...

P. J. Robinson

1981-12-01T23:59:59.000Z

408

Radiation dose in dental radiology  

Science Journals Connector (OSTI)

...The aim of this study was to compare radiation exposure in panoramic radiography (PR), dental CT, and digital volume tomography (DVT) ... at appropriate locations were exposed as in a dental examination. In PR...

M. Cohnen; J. Kemper; O. Möbes; J. Pawelzik; U. Mödder

2002-03-01T23:59:59.000Z

409

Posters Radiation Singularities, Multiple Scattering  

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

mean C 1 0.75 and Levy index 1.35 (as empirically observed) and apply to it the Radiative Transfer Equation in the perfect scattering case. We have analytical and numerical...

410

MULTI-POINT RADIATION MONITOR  

SciTech Connect

A unique radiation monitor has been developed for performing wide-area field surveys for radiation sources. This device integrates the real-time output of multiple radiation detectors into a hand-held personal computer (e.g., a PDA) containing an intuitive graphical user interface. An independent hardware module supplies high voltage to the detectors and contains a rapid sampling system for transferring the detector count rates through an interface to the PDA. The imbedded firmware can be changed for various applications using a programmable memory card. As presently configured, the instrument contains a series of Geiger-Mueller (GM) tubes in a flexible detector string. This linear array of multiple sensors can be used by US Coast Guard and Customs container inspection personnel to measure radiation intensity in stacks of transport containers where physical access is impeded.

Hofstetter, K; Donna Beals, D; Ken Odell, K; Robert Eakle, R; Russell Huffman, R; Larry Harpring, L

2006-05-12T23:59:59.000Z

411

Survivable pulse power space radiator  

DOE Patents (OSTI)

A thermal radiator system is described for use on an outer space vehicle, which must survive a long period of nonuse and then radiate large amounts of heat for a limited period of time. The radiator includes groups of radiator panels that are pivotally connected in tandem, so that they can be moved to deployed configuration wherein the panels lie largely coplanar, and to a stowed configuration wherein the panels lie in a stack to resist micrometerorite damage. The panels are mounted on a boom which separates a hot power source from a payload. While the panels are stowed, warm fluid passes through their arteries to keep them warm enough to maintain the coolant in a liquid state and avoid embrittlement of material. The panels can be stored in a largely cylindrical shell, with panels progressively further from the boom being of progressively shorter length. 5 figs.

Mims, J.; Buden, D.; Williams, K.

1988-03-11T23:59:59.000Z

412

Ionizing Radiation Injury (South Carolina)  

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

This legislation applies to employers that have more than one employee who engages in activities which involve the presence of ionizing radiation. Employers with less than three employees can...

413

Medical Applications of Synchrotron Radiation  

DOE R&D Accomplishments (OSTI)

Ever since the first diagnostic x-ray was done in the United States on February 3, 1896, the application of ionizing radiation to the field of medicine has become increasingly important. Both in clinical medicine and basic research the use of x-rays for diagnostic imaging and radiotherapy is now widespread. Radiography, angiography, CAT and PETT scanning, mammography, and nuclear medicine are all examples of technologies developed to image the human anatomy. In therapeutic applications, both external and internal sources of radiation are applied to the battle against cancer. The development of dedicated synchrotron radiation sources has allowed exciting advances to take place in many of these applications. The new sources provide tunable, high-intensity monochromatic beams over a wide range of energies which can be tailored to specific programmatic needs. This paper surveys those areas of medical research in which synchrotron radiation facilities are actively involved.

Thomlinson, W.

1991-10-00T23:59:59.000Z

414

International Conference Synchrotron Radiation Instrumentation SRI `94  

SciTech Connect

This report contains abstracts for the international conference on Synchrotron Radiation Instrumentation at Brookhaven National Laboratory.

Not Available

1994-10-01T23:59:59.000Z

415

Radiation Safety Guide For Ancillary Personnel  

E-Print Network (OSTI)

, facilities, and public safety staff) who occasionally work in areas posted with the radiation symbol rules, you can ensure your safety while working in areas posted with the radiation symbol. 1. Follow allRadiation Safety Guide For Ancillary Personnel University of Washington Radiation Safety Office 203

Wilcock, William

416

Patient radiation exposure during different kyphoplasty techniques  

Science Journals Connector (OSTI)

......could reduce dose and radiation-associated risk...the risk of developing radiation-induced stochastic...specific computer software is available, providing...developed at the Medical Radiation Laboratory of the Finnish...Radiation and Nuclear Safety (STUK)(12). The......

Denis Panizza; Massimo Barbieri; Francesco Parisoli; Luca Moro

2014-01-01T23:59:59.000Z

417

Radiation Exposure Monitoring Systems Data Reporting Guide  

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

Instructions for preparing occupational exposure data for submittal to the Radiation Exposure Monitoring System (REMS) repository.

418

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

419

Risk Estimation; Background Radiation (Natural and Artificial )  

E-Print Network (OSTI)

-threshold mode estimate the response at lower doses. · The Committee on Biological Effects of Ionizing RadiationModule 9 Risk Estimation; Background Radiation (Natural and Artificial ) · sources of background radiation · various risk models. · estimating risk and on the sources of background radiation, both

Massey, Thomas N.

420

INSTRUCTION CONCERNING PRENATAL RADIATION EXPOSURE A. INTRODUCTION  

E-Print Network (OSTI)

/fetus exposed to radiation, a dose limit for the embryo/fetus, and suggestions for reducing radiation exposure and the Radiation Control Officer in writing that she is pregnant and the estimated date of conception.311, FAC, places different radiation dose limits on declared pregnant workers than on adult workers

Slatton, Clint

Note: This page contains sample records for the topic "radiation testbed cart" 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

Radiation Safety Edward O'Connell  

E-Print Network (OSTI)

tissues) #12;Sources of Background Radiation Exposure · Naturally occurring radioactive materialsRadiation Safety Edward O'Connell Radiation Safety Officer Stony Brook University New York #12;STONY BROOK UNIVERSITY & U. HOSPITAL MEDICAL CENTER #12;Why Radiation Safety · Working with radioactive

422

Radiation Health Physics Four Year Plan  

E-Print Network (OSTI)

Radiation Health Physics Four Year Plan 2011-12 Radiation Health Physics (42 hrs) CH Grade Shielding Ext Dosimetry RHP 475 4 Project-Nuc Syst Design RHP 481 4 Radiation Protection Western Culture (3): RHP 483 4 Radiation Biology RHP 488 3 Radioecology Skills (12 hrs) CH Grade Writing I: WR 121 English

Tullos, Desiree

423

Low Dose Radiation Program: 2010 Low Dose Radiation Research Program  

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

Low Dose Radiation Research Program Investigators' Workshop Low Dose Radiation Research Program Investigators' Workshop »» Event Slide Show More than 150 people attended this year's workshop, held April 12-14 at the Renaissance M Street Hotel in Washington, D.C. In addition to 34 plenary talks and more than 70 poster presentations made by the program investigators, participants heard guest speakers from the National Cancer Institute and from sister low-dose programs in Europe and Japan. Remarks from DOE Dr. Anna Palmisano, Associate Director, Office of Science, Director for Biological and Environmental Research (BER), welcomed the meeting participants, thanked Low Dose Radiation Research Program Manager Dr. Noelle Metting for her leadership, and acknowledged the importance of the Low Dose Program to DOE because of its unique focus and important role. She

424

Low Dose Radiation Research Program: Frequencies of Radiation-Induced  

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

Frequencies of Radiation-Induced Chromosome Interchanges and Frequencies of Radiation-Induced Chromosome Interchanges and Randomness of Chromosome Territory Locations Relative to One Another. Authors: RK Sachs,§ MN Cornforth,‡ KM Greulich-Bode,* L Hlatky, and DJ Brenner|| Institutions: §Department of Mathematics, University of California, ‡University of Texas Medical Branch, *Department of Skin Carcinogenesis, German Cancer Research Center DFCI, Harvard Medical School, ||Center for Radiological Research, Columbia University. Leukemogenesis, and perhaps carcinogenesis in general, often involves specific chromosome translocations. Radiation-induced chromosome translocation frequencies are strongly influenced by how close participating chromosomes are to one another in an interphase cell nucleus. We sought to determine whether chromosomes in human peripheral blood

425

BWR radiation control: plant demonstration  

SciTech Connect

The first year's progress is presented for a four-year program intended to implement and evaluate BRAC radiation reduction operational guidelines at the Vermont Yankee BWR and to document the results in sufficient detail to provide guidance to other BWR owners. Past operational, chemistry and radiation level data have been reviewed to provide a historical base of reference. Extensive sampling and chemistry monitoring systems have been installed to evaluate plant chemistry status and the effects of program implemented changes. Radiation surveys and piping gamma scans are being performed at targeted locations to quantify radiation level trends and to identify and quantify piping isotopics. Contact radiation levels on the recirculation line at Vermont Yankee have been increasing at a rate of 175 mR/h-EFPY since 1978. A materials survey of feedwater and reactor components in contact with the process liquid has been performed to identify sources of corrosion product release, particularly cobalt and nickel. A feedwater oxygen injection system has been installed to evaluate the effects of oxygen control on feedwater materials corrosion product releases. A baseline performance evaluation of the condensate treatment and reactor water cleanup systems has been completed. Data on organics and ionics at Vermont Yankee have been obtained. A methodology of BWR feedwater system layup during extended outages was developed, and an evaluation performed of layup and startup practices utilized at Vermont Yankee during the fall 1980 and 1981 refueling outages.

Palino, G.F.; Hobart, R.L.; Wall, P.S.; Sawochka, S.G.

1982-11-01T23:59:59.000Z

426

Radiation in molecular dynamic simulations  

SciTech Connect

Hot dense radiative (HDR) plasmas common to Inertial Confinement Fusion (ICF) and stellar interiors have high temperature (a few hundred eV to tens of keV), high density (tens to hundreds of g/cc) and high pressure (hundreds of Megabars to thousands of Gigabars). Typically, such plasmas undergo collisional, radiative, atomic and possibly thermonuclear processes. In order to describe HDR plasmas, computational physicists in ICF and astrophysics use atomic-scale microphysical models implemented in various simulation codes. Experimental validation of the models used to describe HDR plasmas are difficult to perform. Direct Numerical Simulation (DNS) of the many-body interactions of plasmas is a promising approach to model validation but, previous work either relies on the collisionless approximation or ignores radiation. We present a new numerical simulation technique to address a currently unsolved problem: the extension of molecular dynamics to collisional plasmas including emission and absorption of radiation. The new technique passes a key test: it relaxes to a blackbody spectrum for a plasma in local thermodynamic equilibrium. This new tool also provides a method for assessing the accuracy of energy and momentum exchange models in hot dense plasmas. As an example, we simulate the evolution of non-equilibrium electron, ion, and radiation temperatures for a hydrogen plasma using the new molecular dynamics simulation capability.

Glosli, J; Graziani, F; More, R; Murillo, M; Streitz, F; Surh, M

2008-10-13T23:59:59.000Z

427

A la Carte Entres and Sandwiches Chicken Dijon 55  

E-Print Network (OSTI)

34 1/4 Sheet Cake 22 Beverages Soft Drinks (six pack) 6.50 Coke Sprite Diet Coke Dasani Water Juices

428

YES User Guide Adding a Class to Cart  

E-Print Network (OSTI)

Registration". 2. Use the drop down arrow to select the term. 3. Enter the subject area, course number". · Enter the class information below as needed and click "Search". 4. Once you click "Search", the class, or title into the text box and click "Search". · To search using additional criteria click "Advanced

Palmeri, Thomas

429

solar radiation | OpenEI  

Open Energy Info (EERE)

radiation radiation Dataset Summary Description (Abstract): Monthly Average Solar Resource for flat-plate collectors tilted at latitude, for Mexico, Central America, and the Caribbean Islands. (Purpose): Provide information on the solar resource potential for the data domain. The insolation values represent the average solar energy available to a flat plate collector, such as a photovoltaic panel, oriented due south at an angle from horizontal equal to the latitude of the collector location. Source NREL Date Released January 31st, 2004 (10 years ago) Date Updated October 30th, 2007 (7 years ago) Keywords atmospheric water vapor Carribean Central America GEF. latitude tilt GIS Mexico NREL solar solar radiation SWERA TILT UNEP Data application/zip icon Download Shapefile (zip, 241.3 KiB)

430

Device for detecting ionizing radiation  

SciTech Connect

The present invention relates to ionizing radiation sensors, and , more particularly, to semiconductor spectrometers with thermoelectric cooling, and can most advantageously be used in mineral raw material exploration and evaluation under field conditions. The spectrometer comprises a vacuum chamber with an entrance window for passing the radiation therethrough. The vacuum chamber accommodates a thermoelectric cooler formed by a set of peltier elements. A heat conducting plate is mounted on the cold side of the thermoelectric cooler, and its hot side is provided with a radiator. Mounted on the heat conducting plate are sets of peltier elements, integral with the thermoelectric cooler and independent of one another. The peltier elements of these sets are stacked so as to develop the minimum temperature conditions on one set carrying a semiconductor detector and to provide the maximum refrigeration capacity conditions on the other set provided with the field-effect transistor mounted thereon.

Anatychuk, L.I.; Kharitonov, J.P.; Kusniruk, V.F.; Meir, V.A.; Melnik, A.P.; Ponomarev, V.S.; Skakodub, V.A.; Sokolov, A.D.; Subbotin, V.G.; Zhukovsky, A.N.

1980-10-28T23:59:59.000Z

431

A method for calculation of radiation quantities at all points in gamma radiation calibration fields  

Science Journals Connector (OSTI)

......Chi-square test in a gamma radiation calibration field was...dimensions) in a gamma radiation calibration field can...be used in dosimetry software of gamma radiation calibration fields...2000) Vienna: IAEA. Safety Reports Series, No......

S. M. Hosseini-Pooya; M. Khoshnoodi; A. Ansarinejad; F. Torkzadeh; M. Jafarizadeh

2008-03-01T23:59:59.000Z

432

Contrasting the direct radiative effect and direct radiative forcing of aerosols  

E-Print Network (OSTI)

The direct radiative effect (DRE) of aerosols, which is the instantaneous radiative impact of all atmospheric particles on the Earth's energy balance, is sometimes confused with the direct radiative forcing (DRF), which ...

Heald, Colette L.

433

1993 Radiation Protection Workshop: Proceedings  

SciTech Connect

The 1993 DOE Radiation Protection Workshop was conducted from April 13 through 15, 1993 in Las Vegas, Nevada. Over 400 Department of Energy Headquarters and Field personnel and contractors from the DOE radiological protection community attended the Workshop. Forty-nine papers were presented in eleven separate sessions: Radiological Control Manual Implementation, New Approaches to Instrumentation and Calibration, Radiological Training Programs and Initiatives, External Dosimetry, Internal Dosimetry, Radiation Exposure Reporting and Recordkeeping, Air Sampling and Monitoring Issues, Decontamination and Decommissioning of Sites, Contamination Monitoring and Control, ALARA/Radiological Engineering, and Current and Future Health Physics Research. Individual papers are indexed separately on the database.

Not Available

1993-12-31T23:59:59.000Z

434

Thermodynamics of Radiative Emission Processes  

Science Journals Connector (OSTI)

A basic assumption implicit in the application of thermodynamics to the electromagnetic field is that the laws of thermodynamics are locally valid for radiative emission and absorption processes. This means that a certain minimum amount of entropy must be created by the radiative process itself. It is shown, by considering the extreme case in which the spontaneous emission of a natural spectral line is the only process taking place, that this assumption is correct, and that its validity is essentially a consequence of the uncertainty principle as expressed by the reciprocal relationship between natural line breadth and lifetime.

M. A. Weinstein

1960-07-15T23:59:59.000Z

435

Radiation Related Terms Basic Terms  

E-Print Network (OSTI)

atoms. Radioactive Contamination Radioactive contamination is radioactive material distributed over some the effects of radiation. Radioactivity Radioactivity is the spontaneous transformation of an unstable atom or a disintegrations of an atom. Radioactive Material Radioactive Material is any material that contains radioactive

Vallino, Joseph J.

436

Radiation and Health Thormod Henriksen  

E-Print Network (OSTI)

of radioactivity from reactor accidents and fallout from nuclear explosions in the atmosphere. These subjects were interest is the effect of small radiation doses, given at a low dose rate. These studies are of importance for environmental problems as well as within cancer treatment. The group have close cooperations with professor

Johansen, Tom Henning

437

Electromagnetic Radiation in Accelerated Systems  

Science Journals Connector (OSTI)

A generally covariant set of electromagnetic field equations and associated constitutive relations is developed to deal with electromagnetic radiation in arbitrarily moving media. The equations are sufficiently general to include dispersive as well as nonisotropic media. Several special cases are investigated to illustrate the method and to demonstrate the consistency of the formulation.

J. L. Anderson and J. W. Ryon

1969-05-25T23:59:59.000Z

438

W. FIFTH AVE. RADIATION LAB  

E-Print Network (OSTI)

W. FIFTH AVE. NASA SPACE RADIATION LAB 958 ENERGY EFFICIENCY & CONSERVATION DIVISION THOMSON RD. E Development & Technology Transfer 490 H7 Energy Efficiency and Conservation Division 526 L5 Energy Sciences CAD Installation Complex 933 K2 Carpentry/Signs Shops 422 F6 Cavendish House 153 G7 Center

Ohta, Shigemi

439

Do freely falling bodies radiate?  

Science Journals Connector (OSTI)

... I have shown (unpublished) that it is possible to match this portion to a Schwarzschild metric which is valid for r > r0. The ... metric which is valid for r > r0. The Schwarzschild metric being static there is no radiation passing through it, so the moving dust ...

W. B. BONNOR

1976-09-23T23:59:59.000Z

440

Solid state radiative heat pump  

DOE Patents (OSTI)

A solid state radiative heat pump operable at room temperature (300 K) utilizes a semiconductor having a gap energy in the range of 0.03-0.25 eV and operated reversibly to produce an excess or deficit of change carriers as compared equilibrium. In one form of the invention an infrared semiconductor photodiode is used, with forward or reverse bias, to emit an excess or deficit of infrared radiation. In another form of the invention, a homogenous semiconductor is subjected to orthogonal magnetic and electric fields to emit an excess or deficit of infrared radiation. Three methods of enhancing transmission of radiation the active surface of the semiconductor are disclosed. In one method, an anti-refection layer is coated into the active surface of the semiconductor, the anti-reflection layer having an index of refraction equal to the square root of that of the semiconductor. In the second method, a passive layer is speaced trom the active surface of the semiconductor by a submicron vacuum gap, the passive layer having an index of refractive equal to that of the semiconductor. In the third method, a coupler with a paraboloid reflecting surface surface is in contact with the active surface of the semiconductor, the coupler having an index of refraction about the same as that of the semiconductor.

Berdahl, P.H.

1984-09-28T23:59:59.000Z

Note: This page contains sample records for the topic "radiation testbed cart" 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

7, 72357275, 2007 Adaptive radiative  

E-Print Network (OSTI)

Discussions Two adaptive radiative transfer schemes for numerical weather prediction models V. Venema 1 , A numerical weather prediction (NWP) and climate models. The atmosphere and the land surface are complex-stream approximation. In most weather prediction models these parameterisation schemes are therefore called infre

Boyer, Edmond

442

Climate Science for a Sustainable Energy Future Atmospheric Radiation Measurement Best Estimate (CSSEFARMBE)  

SciTech Connect

The Climate Science for a Sustainable Energy Future (CSSEF) project is working to improve the representation of the hydrological cycle in global climate models, critical information necessary for decision-makers to respond appropriately to predictions of future climate. In order to accomplish this objective, CSSEF is building testbeds to implement uncertainty quantification (UQ) techniques to objectively calibrate and diagnose climate model parameterizations and predictions with respect to local, process-scale observations. In order to quantify the agreement between models and observations accurately, uncertainty estimates on these observations are needed. The DOE Atmospheric Radiation Measurement (ARM) program takes atmospheric and climate related measurements at three permanent locations worldwide. The ARM VAP called the ARM Best Estimate (ARMBE) [Xie et al., 2010] collects a subset of ARM observations, performs quality control checks, averages them to one hour temporal resolution, and puts them in a standard format for ease of use by climate modelers. ARMBE has been widely used by the climate modeling community as a summary product of many of the ARM observations. However, the ARMBE product does not include uncertainty estimates on the data values. Thus, to meet the objectives of the CSSEF project and enable better use of this data with UQ techniques, we created the CSSEFARMBE data set. Only a subset of the variables contained in ARMBE is included in CSSEFARMBE. Currently only surface meteorological observations are included, though this may be expanded to include other variables in the future. The CSSEFARMBE VAP is produced for all extended facilities at the ARM Southern Great Plains (SGP) site that contain surface meteorological equipment. This extension of the ARMBE data set to multiple facilities at SGP allows for better comparison between model grid boxes and the ARM point observations. In the future, CSSEFARMBE may also be created for other ARM sites. As each site has slightly different instrumentation, this will require additional development to understand the uncertainty characterization associated with instrumentation at those sites. The uncertainty assignment process is implemented into the ARM program’s new Integrated Software Development Environment (ISDE) so that many of the key steps can be used in the future to screen data based on ARM Data Quality Reports (DQRs), propagate uncertainties when transforming data from one time scale into another, and convert names and units into NetCDF Climate and Forecast (CF) standards. These processes are described in more detail in the following sections.

Riihimaki, Laura D.; Gaustad, Krista L.; McFarlane, Sally A.

2012-09-28T23:59:59.000Z

443

Section 16  

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

dh dh dt ' A F F w A T % g T )2 F 2 w & A p()u) 2 F 2 w F 3 w ' w 3 ( % A s A F u 3 ( w( 3 ' g T 0 H Dc p h )2 )u A T , A F , and A P F w u ( w ( C 2 n A T , A F , and A P Session Papers 63 (1) (2) (3) An Iterative Procedure for Estimating Areally Averaged Heat Flux Using Planetary Boundary Layer Mixed Layer Height and Locally Measured Heat Flux R. L. Coulter, W. Gao and B. M. Lesht Argonne National Laboratory Argonne, Illinois Measurements at the central facility of the Southern Great where is the friction velocity and is the convective Plains (SGP) Cloud and Radiation Testbed (CART) are velocity scale, intended to verify, improve, and develop parameterizations in radiative flux models that are subsequently used in General Circulation Models (GCMs). The reliability of this approach depends upon the representativeness of the local meas-

444

Radiation Detection Computational Benchmark Scenarios  

SciTech Connect

Modeling forms an important component of radiation detection development, allowing for testing of new detector designs, evaluation of existing equipment against a wide variety of potential threat sources, and assessing operation performance of radiation detection systems. This can, however, result in large and complex scenarios which are time consuming to model. A variety of approaches to radiation transport modeling exist with complementary strengths and weaknesses for different problems. This variety of approaches, and the development of promising new tools (such as ORNL’s ADVANTG) which combine benefits of multiple approaches, illustrates the need for a means of evaluating or comparing different techniques for radiation detection problems. This report presents a set of 9 benchmark problems for comparing different types of radiation transport calculations, identifying appropriate tools for classes of problems, and testing and guiding the development of new methods. The benchmarks were drawn primarily from existing or previous calculations with a preference for scenarios which include experimental data, or otherwise have results with a high level of confidence, are non-sensitive, and represent problem sets of interest to NA-22. From a technical perspective, the benchmarks were chosen to span a range of difficulty and to include gamma transport, neutron transport, or both and represent different important physical processes and a range of sensitivity to angular or energy fidelity. Following benchmark identification, existing information about geometry, measurements, and previous calculations were assembled. Monte Carlo results (MCNP decks) were reviewed or created and re-run in order to attain accurate computational times and to verify agreement with experimental data, when present. Benchmark information was then conveyed to ORNL in order to guide testing and development of hybrid calculations. The results of those ADVANTG calculations were then sent to PNNL for compilation. This is a report describing the details of the selected Benchmarks and results from various transport codes.

Shaver, Mark W.; Casella, Andrew M.; Wittman, Richard S.; McDonald, Ben S.

2013-09-24T23:59:59.000Z

445

Radiation protection standards: their evolution from science to philosophy  

Science Journals Connector (OSTI)

......require a new shielding evaluation (plan review), and they will certainly require...2001). Radiation protection standards: their evolution from science...control Radiation Monitoring standards Radiation Protection standards......

R. L. Dixon; Joel E. Gray; B. R. Archer; D. J. Simpkin

2005-12-20T23:59:59.000Z

446

History of the Stanford Synchrotron Radiation Lightsource | Stanford...  

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

History of the Stanford Synchrotron Radiation Lightsource SPEAR Based on new applications of synchrotron radiation, SSRL began in 1973 as the Stanford Synchrotron Radiation Project...

447

Radiation shielding and dosimetry experiments updates in the SINBAD database  

Science Journals Connector (OSTI)

......characterisation of the radiation source, it describes...National Laboratory, Radiation Safety Information Computational...Internet Nuclear Physics Radiation Protection instrumentation Radiometry Research Software Validation...

I. Kodeli; H. Hunter; E. Sartori

2005-12-20T23:59:59.000Z

448

Radiation Management Act (Oklahoma) | Department of Energy  

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

Radiation Management Act (Oklahoma) Radiation Management Act (Oklahoma) Radiation Management Act (Oklahoma) < Back Eligibility Utility Investor-Owned Utility Program Info State Oklahoma Program Type Environmental Regulations Provider Oklahoma Department of Environmental Quality This Act establishes The Department of Environmental Quality as the designated official agency of the State of Oklahoma for all regulatory activities for the use of atomic energy and sources of radiation, except for the use of sources of radiation by diagnostic x-ray facilities. It also states rules for permits and fees related to the establishment of standards for safe levels of protection against radiation; the maintenance and submission of records; the determination, prevention and control of radiation hazards; the reporting of radiation accidents; the handling,

449

Low Dose Radiation Research Program: Image Gallery  

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

Image Gallery Image Gallery These are images, photographs, and charts presented or developed for Low Dose Radiation Research Investigators’ Meetings. They may be used for presentations or reports. To save, right click on the picture, then choose "Save picture as." U.S. annual per-capita effective radiation dose from various sources for 1980. various sources 1980 Enlarge Image. U.S. annual per-capita effective radiation dose from various sources for 2006. various sources 2006 Enlarge Image. U.S. annual per-capita effective radiation dose from man-made sources in the United States for 2006. man-made 2006 Enlarge Image. Ionizing Radiation Dose Ranges showing the wide range of radiation doses that humans experience (Rem) Enlarge Image. Ionizing Radiation Dose Ranges showing the wide range of radiation doses that humans experience

450

RADIATION PROTECTION QUALIFICATION STANDARD REFERENCE GUIDE  

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

Radiation Radiation Protection Qualification Standard Reference Guide MARCH 2009 ii This page intentionally left blank iii Table of Contents LIST OF FIGURES ..................................................................................................................... iv LIST OF TABLES ....................................................................................................................... iv ACRONYMS, ABBREVIATIONS and SYMBOLS ................................................................. v PURPOSE...................................................................................................................................... 1 SCOPE ...........................................................................................................................................

451

Cellular telephone-based radiation detection instrument  

DOE Patents (OSTI)

A network of radiation detection instruments, each having a small solid state radiation sensor module integrated into a cellular phone for providing radiation detection data and analysis directly to a user. The sensor module includes a solid-state crystal bonded to an ASIC readout providing a low cost, low power, light weight compact instrument to detect and measure radiation energies in the local ambient radiation field. In particular, the photon energy, time of event, and location of the detection instrument at the time of detection is recorded for real time transmission to a central data collection/analysis system. The collected data from the entire network of radiation detection instruments are combined by intelligent correlation/analysis algorithms which map the background radiation and detect, identify and track radiation anomalies in the region.

Craig, William W. (Pittsburg, CA); Labov, Simon E. (Berkeley, CA)

2011-06-14T23:59:59.000Z

452

Radiation Damage in Nanostructured Metallic Films  

E-Print Network (OSTI)

with favorable microstructures and to investigate their response to radiation. The goals of this thesis are to study the radiation responses of several nanostructured metallic thin film systems, including Ag/Ni multilayers, nanotwinned Ag and nanocrystalline Fe...

Yu, Kaiyuan

2013-04-15T23:59:59.000Z

453

Radiation Exposure from CT Examinations in Japan  

Science Journals Connector (OSTI)

Computed tomography (CT) is the largest source of medical radiation exposure to the general population, and is ... assess the current situation of CT use in Japan, and to investigate variations in radiation expos...

Yoshito Tsushima; Ayako Taketomi-Takahashi; Hiroyuki Takei…

2010-11-01T23:59:59.000Z

454

College of Health Sciences RAS Radiation Sciences  

E-Print Network (OSTI)

; excitation and ionization processes; selected nuclear reactions; basic radiation detection and dosimetry, and nuclear medical physics. Prereq or concur: RM/PHY 472G or consent of instructor. (Same as PHY/RM 546.) RAS 601 ADVANCED RADIATION DOSIMETRY. (2

MacAdam, Keith

455

Annual DOE Occupational Radiation Exposure | 1990 Report  

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

The Twenty-third Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1990.

456

Annual DOE Occupational Radiation Exposure | 1991 Report  

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

The Twenty-fourth Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1991.

457

Annual DOE Occupational Radiation Exposure | 1989 Report  

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

The Twenty-second Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1989.

458

Annual DOE Occupational Radiation Exposure | 1986 Report  

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

The Nineteenth Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1986.

459

Annual DOE Occupational Radiation Exposure | 1982 Report  

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

The Fifteenth Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1982.

460

Annual DOE Occupational Radiation Exposure | 1983 Report  

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

The Sixteenth Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1983.

Note: This page contains sample records for the topic "radiation testbed cart" 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

Annual DOE Occupational Radiation Exposure | 1980 Report  

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

The Thirteenth Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1980.

462

Annual DOE Occupational Radiation Exposure | 1979 Report  

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

The Twelfth Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1979.

463

Annual DOE Occupational Radiation Exposure | 1987 Report  

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

The Twentieth Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1987.

464

Annual DOE Occupational Radiation Exposure | 1985 Report  

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

The Eighteenth Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1985.

465

Annual DOE Occupational Radiation Exposure | 1984 Report  

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

The Seventeenth Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1984.

466

Order Module--RADIATION PROTECTION PROGRAMS GUIDE  

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

The familiar level of this module is designed to provide the basic information related to DOEG 441.1-1C, Radiation Protection Programs Guide, as required in DOE-STD-1174-2003, Radiation Protection...

467

Annual DOE Occupational Radiation Exposure | 1981 Report  

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

The Fourteenth Annual Report of Radiation Exposures for DOE & DOE Contractor Employees analyzes occupational radiation exposures at the U.S. Department of Energy (DOE) and its contractor employees during 1981.

468

Atmospheric State, Cloud Microphysics and Radiative Flux  

DOE Data Explorer (OSTI)

Atmospheric thermodynamics, cloud properties, radiative fluxes and radiative heating rates for the ARM Southern Great Plains (SGP) site. The data represent a characterization of the physical state of the atmospheric column compiled on a five-minute temporal and 90m vertical grid. Sources for this information include raw measurements, cloud property and radiative retrievals, retrievals and derived variables from other third-party sources, and radiative calculations using the derived quantities.

Mace, Gerald

469

Optimization of radiation protection: a bibliography  

SciTech Connect

This document provides a bibliography of radiation protection optimization documents. Abstracts, an author index, and a subject index are provided.

Tang, G.R.; Khan, T.A.; Sullivan, S.G.

1996-10-01T23:59:59.000Z

470

Radiation and Non-Hodgkin's Lymphoma  

Science Journals Connector (OSTI)

...bomb survivors in Japan and other epidemiological...quantitative estimates of radiation dose also fail to...bomb survivors in Japan and other epidemiological...quantitative estimates of radiation dose also fail to...bomb survivors in Japan and other epidemiol...quantitative estimates of radiation dose also fail to...

John D. Boice, Jr.

1992-10-01T23:59:59.000Z

471

Radiation-Resistant Reconnaissance Robot Introduction Design  

E-Print Network (OSTI)

are water-moderated. This type of reactor consists of a deep pool filled with water, uranium fuel rods. Radiation Resistance Control/Communication The objective of this project is to develop a submersible radiation- resistant, tether-operated robot for use in a water-moderated reactor pool. 1. Radiation

Provancher, William

472

Quantitative photoacoustic imaging in radiative transport regime  

E-Print Network (OSTI)

, radiative transport equation, inverse transport problem, interior data, Born approximation, iterative is accurately modeled by the radiative transport equation which describes the distribution of photons . The radiative transport equation for photon density u(x, v) can then be written as [9, 11, 77]: v · u(x, v) + a

Ren, Kui

473

On the Phenomenology of Tachyon Radiation  

E-Print Network (OSTI)

We present a brief overview of the different kinds of electromagnetic radiations expected to come from (or to be induced by) space-like sources (tachyons). New domains of radiation are here considered; and the possibility of experimental observation of tachyons via electromagnetic radiation is discussed.

Ron Folman; Erasmo Recami

1995-08-30T23:59:59.000Z

474

THE STANFORD SYNCHROTRON RADIATION LIGHTSOURCE STRATEGIC PLAN:  

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

THE STANFORD SYNCHROTRON THE STANFORD SYNCHROTRON RADIATION LIGHTSOURCE STRATEGIC PLAN: 2013 - 2018 MEETING THE SCIENTIFIC CHALLENGES OF THE FUTURE FEBRUARY 2013 TABLE OF CONTENTS 1 Executive Summary ................................................................................................................................................. 1 2 Synchrotron Radiation - A Unique Tool .................................................................................................................. 1 3 Stanford Synchrotron Radiation Lightsource .......................................................................................................... 3 3.1 Looking into the Future: Building a New User Facility Paradigm at SSRL ....................................................... 4

475

Topics in radiation at accelerators: Radiation physics for personnel and environmental protection  

SciTech Connect

In the first chapter, terminology, physical and radiological quantities, and units of measurement used to describe the properties of accelerator radiation fields are reviewed. The general considerations of primary radiation fields pertinent to accelerators are discussed. The primary radiation fields produced by electron beams are described qualitatively and quantitatively. In the same manner the primary radiation fields produced by proton and ion beams are described. Subsequent chapters describe: shielding of electrons and photons at accelerators; shielding of proton and ion accelerators; low energy prompt radiation phenomena; induced radioactivity at accelerators; topics in radiation protection instrumentation at accelerators; and accelerator radiation protection program elements.

Cossairt, J.D.

1996-10-01T23:59:59.000Z

476

Radiation Chemistry of Ionic Liquids  

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

Liquids Liquids James F. Wishart, Alison M. Funston, and Tomasz Szreder in "Molten Salts XIV" Mantz, R. A., et al., Eds.; The Electrochemical Society, Pennington, NJ, (2006) pp. 802-813. [Information about the volume (look just above this link)] Abstract: Ionic liquids have potentially important applications in nuclear fuel and waste processing, energy production, improving the efficiency and safety of industrial chemical processes, and pollution prevention. Successful use of ionic liquids in radiation-filled environments will require an understanding of ionic liquid radiation chemistry. For example, characterizing the primary steps of ionic liquid radiolysis will reveal radiolytic degradation pathways and suggest ways to prevent them or mitigate their effects on the properties of the material

477

BNL NASA Space Radiation Laboratory  

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

Purpose: To use beams of heavy ions provided by the Booster accelerator at Brookhaven to study the effects of simulated space radiation on biological and physical systems, with the goal of developing methods and materials to reduce the risk to human beings on prolonged space missions of the effects of ionizing radiation Sponsor: National Aeronautics and Space Administration (NASA) Project cost $34 million over 4 years Operating costs Nearly $8 million per year in 2007 Features * beams of heavy ions extracted from the Booster accelerator with masses and energies similar to the cosmic rays encountered in space: * 1-billion electron volt (GeV)/nucleon iron-56 * 0.3-GeV/nucleon gold-97 * 0.6-GeV/nucleon silicon-28 * 1-GeV/nucleon protons * 1-GeV/nucleon titanium

478

Radiation Safety Work Control Form  

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

Radiation Safety Work Control Form Radiation Safety Work Control Form (see instructions on pg-2) Rev July-2012 Area: Form #: Date: Preliminary Applicability Screen: (a) Will closing the beam line injection stoppers mitigate the radiological hazards introduced by the proposed work? Yes No (b) Can the closed state of the beam line injection stoppers be assured during the proposed work (ie., work does NOT involve injection stoppers or associated HPS)? Yes No If the answers to both questions are yes, the work can be performed safely under an SSRL RSWCF. If the answer to either question is no, then the work must be performed under a SPEAR3 RSWCF. Section 1: Description of work to be done, including date and time. (Person Responsible completes section)

479

Radiative Decay of the Muon  

Science Journals Connector (OSTI)

The radiative decay of the muon, ?+?e++?+?e+?¯?, has been measured using muons from the Columbia University Nevis synchrocyclotron. The decay products e+ and ? were observed at relative angles near 180°, using scintillation counters and two 9-in.×10-in. NaI crystals, which enabled simultaneous measurement of the positron and ? energies. The pulses from the crystals were displayed on oscilloscopes and photographed, and the measured amplitudes of these pulses were calibrated using the positron spectrum of the nonradiative decay. The two-dimensional energy spectrum for positrons and ?'s was obtained for about 900 events, after subtraction of background. This spectrum and the measured rate, obtained by normalizing to the nonradiative decay, were compared with theoretical predictions for the radiative decay. The results were in good agreement with the theory, within statistics, for the case of pure V-A coupling.

E. Bogart; E. DiCapua; P. Némethy; A. Strelzoff

1967-04-25T23:59:59.000Z

480

Standardisation of radiation portal monitor controls and readouts  

Science Journals Connector (OSTI)

......Standardisation of radiation portal monitor controls...numbering configuration of radiation portal monitor sensing...addition, second-party software that changes the alarm...Neutrons Nuclear Weapons Radiation Monitoring methods Radiation...Risk Assessment methods Safety Management methods standards......

M. Tinker

2010-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "radiation testbed cart" 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.


481

Radiation safety design for the J-PARC project  

Science Journals Connector (OSTI)

......2001). Radiation safety design for the J-PARC...present status of the radiation safety design study for J-PARC...instrumentation Protons Radiation Dosage Radiation Monitoring...methods Risk Factors Software Software Validation......

H. Nakashima; Y. Nakane; F. Masukawa; N. Matsuda; T. Oguri; H. Nakano; N. Sasamoto; T. Shibata; T. Suzuki; T. Miura; M. Numajiri; N. Nakao; H. Hirayama; S. Sasaki

2005-12-20T23:59:59.000Z

482

Detoxification of Salmonella typhimurium Lipopolysaccharide by Ionizing Radiation  

Science Journals Connector (OSTI)

...efficiency of ionizing radiation in detoxifying...decreased with doses above 1 Mrad...efficiency of ionizing radiation in detoxifying...decreased with doses above 1 Mrad...the visible range. After radiation, the general...radiation doses through 20...

Joseph J. Previte; Y. Chang; H. M. El-Bisi

1967-05-01T23:59:59.000Z

483

Radiation Sterilization of Prototype Military Foods. III. Pork Loin  

Science Journals Connector (OSTI)

...Spearman-KMirber estimation of an LD5o...independent of the dose-response...with- 610 RADIATION STERILIZATION...values with radiation dose, and the fluctuating...commercial radiation process for...Werkowski. 1968. Estimation of radiation...

Abe Anellis; D. Berkowitz; C. Jarboe; H. M. El-Bisi

1969-10-01T23:59:59.000Z

484

Radiative muon absorption in oxygen  

Science Journals Connector (OSTI)

The photon spectrum from radiative absorption of negative muons in O16 has been measured with a high-resolution pair spectrometer. The integrated branching ratio for photons with energies greater than 57 MeV relative to the total muon absorption rate is (3.8±0.4)×10-5. The data are consistent with nuclear model calculations for a value of the induced pseudoscalar coupling in O16 of gP/gA=13.5±1.5.

A. Frischknecht; M. Döbeli; W. Stehling; G. Strassner; P. Truöl; J. C. Alder; C. Joseph; J. F. Loude; J. P. Perroud; D. Ruegger; M. T. Tran; H. Panke

1988-11-01T23:59:59.000Z

485

10th Radiation Physics and Protection Conference  

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

Atomic Energy Authority National Network of Radiation Physics Atomic Energy Authority National Network of Radiation Physics 10 th Radiation Physics and Protection Conference Special Topic Elements of Regulating Nuclear and Radiation Activities Egyptian Law 26 -30 November 2010 To be held at EAEA Headquarter Nasr City Cairo - Egypt (www.rphysp.com) INVITATION The conference organizing committee invites scientists from the Atomic Energy , Research Centers , Universities Institutes , and all those involved in radiation Physics and its Applications in Egypt , Arab countries and abroad to participate in scientific activities of the conference . The official working language of the conference in English Conference Honorary Chairman Conference Scientific Secretary

486

Aharonov-Bohm radiation of fermions  

SciTech Connect

We analyze Aharonov-Bohm radiation of charged fermions from oscillating solenoids and cosmic strings. We find that the angular pattern of the radiation has features that differ significantly from that for bosons. For example, fermionic radiation in the lowest harmonic is approximately isotropically distributed around an oscillating solenoid, whereas for bosons the radiation is dipolar. We also investigate the spin polarization of the emitted fermion-antifermion pair. Fermionic radiation from kinks and cusps on cosmic strings is shown to depend linearly on the ultraviolet cutoff, suggesting strong emission at an energy scale comparable to the string energy scale.

Chu Yizen; Mathur, Harsh [CERCA, Department of Physics, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106-7079 (United States); Vachaspati, Tanmay [CERCA, Department of Physics, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106-7079 (United States); Institute for Advanced Study, Princeton, New Jersey 08540 (United States)

2010-09-15T23:59:59.000Z

487

Photon rockets and gravitational radiation  

E-Print Network (OSTI)

The absence of gravitational radiation in Kinnersley's ``photon rocket'' solution of Einstein's equations is clarified by studying the mathematically well-defined problem of point-like photon rockets in Minkowski space (i.e. massive particles emitting null fluid anisotro\\-pically and accelerating because of the recoil). We explicitly compute the (uniquely defined) {\\it linearized} retarded gravitational waves emitted by such objects, which are the coherent superposition of the gravitational waves generated by the motion of the massive point-like rocket and of those generated by the energy-momentum distribution of the photon fluid. In the special case (corresponding to Kinnersley's solution) where the anisotropy of the photon emission is purely dipolar we find that the gravitational wave amplitude generated by the energy-momentum of the photons exactly cancels the usual $1/r$ gravitational wave amplitude generated by the accelerated motion of the rocket. More general photon anisotropies would, however, generate genuine gravitational radiation at infinity. Our explicit calculations show the compatibility between the non-radiative character of Kinnersley's solution and the currently used gravitational wave generation formalisms based on post-Minkowskian perturbation theory.

T. Damour

1994-12-21T23:59:59.000Z

488

DarkLight radiation backgrounds  

SciTech Connect

We report measurements of photon and neutron radiation levels observed while transmitting a 0.43 MW electron beam through millimeter-sized apertures and during beam-on, but accelerating gradient RF-on, operation. These measurements were conducted at the Free-Electron Laser (FEL) facility of the Jefferson National Accelerator Laboratory (JLab) using a 100 MeV electron beam from an energy-recovery linear accelerator. The beam was directed successively through 6 mm, 4 mm, and 2 mm diameter apertures of length 127 mm in aluminum at a maximum current of 4.3 mA (430 kW beam power). This study was conducted to characterize radiation levels for experiments that need to operate in this environment, such as the proposed DarkLight Experiment. We find that sustained transmission of a 430 kW CW beam through a 2 mm aperture is feasible with manageable beam-related backgrounds. We also find that during beam-off, RF-on operation, field emission inside the niobium cavities of the accelerator cryomodules is the primary source of ambient radiation.

Kalantarians, N. [Department of Physics, Hampton University, Hampton VA 23668 (United States); Collaboration: DarkLight Collaboration

2013-11-07T23:59:59.000Z

489

DarkLight radiation backgrounds  

SciTech Connect

We report measurements of photon and neutron radiation levels observed while transmitting a 0.43 MW electron beam through millimeter-sized apertures and during beam-on, but accelerating gradient RF-on, operation. These measurements were conducted at the Free-Electron Laser (FEL) facility of the Jefferson National Accelerator Laboratory (JLab) using a 100 MeV electron beam from an energy-recovery linear accelerator. The beam was directed successively through 6 mm, 4 mm, and 2 mm diameter apertures of length 127 mm in aluminum at a maximum current of 4.3 mA (430 kW beam power). This study was conducted to characterize radiation levels for experiments that need to operate in this environment, such as the proposed DarkLight Experiment. We find that sustained transmission of a 430 kW CW beam through a 2 mm aperture is feasible with manageable beam-related backgrounds. We also find that during beam-off, RF-on operation, field emission inside the niobium cavities of the accelerator cryomodules is the primary source of ambient radiation.

Kalantarians, Narbe [University of Texas

2013-11-01T23:59:59.000Z

490

Radiation-tolerant imaging device  

DOE Patents (OSTI)

A barrier at a uniform depth for an entire wafer is used to produce imaging devices less susceptible to noise pulses produced by the passage of ionizing radiation. The barrier prevents charge created in the bulk silicon of a CCD detector or a semiconductor logic or memory device from entering the collection volume of each pixel in the imaging device. The charge barrier is a physical barrier, a potential barrier, or a combination of both. The physical barrier is formed by an SiO{sub 2} insulator. The potential barrier is formed by increasing the concentration of majority carriers (holes) to combine with the electron`s generated by the ionizing radiation. A manufacturer of CCD imaging devices can produce radiation-tolerant devices by merely changing the wafer type fed into his process stream from a standard wafer to one possessing a barrier beneath its surface, thus introducing a very small added cost to his production cost. An effective barrier type is an SiO{sub 2} layer. 7 figs.

Colella, N.J.; Kimbrough, J.R.

1996-11-19T23:59:59.000Z

491

Modified Method of Characteristics for Transient Radiative Transfer  

E-Print Network (OSTI)

conditions. The radiative transport equation is a hyperbolicTo solve the radiative transport equation for collimated

Katika, Kamal M.; Pilon, Laurent

2006-01-01T23:59:59.000Z

492

Sandia National Labs: PCNSC: Departments: Radiation and Nanosciences  

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

Home About Us Departments Radiation, Nano Materials, & Interface Sciences > Radiation & Solid Interactions > Nanomaterials Sciences > Surface & Interface Sciences Semiconductor &...

493

Low Dose Radiation Program: Links - Online Literature  

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

Online Literature Online Literature Journals, Books and other Publications Armed Forces Radiobiology Research Institute Chornobyl Center for Nuclear Safety Radioactive Waste and Radioecology "Insight" Magazine Central Research Institute of the Electric Power Industry (CRIEPI) News: Aiming at an information center on low dose radiation research Health Physics International Journal of Radiation Biology Iranian Journal of Radiation Research Journal of Radiological Protection National Council on Radiation Protection and Measurements Radiation Research U.S. Department of Energy (DOE) Information Bridge Reports Animal Cancer Tests and Human Cancer Risk Assessment: A Broad Perspective Effects of Ionizing Radiation: Atomic Bomb Survivors and Their Children (1945-1995) Health Effects of Exposure to Low Levels of Ionizing Radiation: BEIR

494

Information-geometric aspects of Hawking radiation  

E-Print Network (OSTI)

This paper illustrates the resemblance between the information-geometric structures of probability spaces and that of the discrete spectrum for Hawking radiation. The information geometry gives rise to a reconstruction of the standard formalism of quantum mechanics, while the discrete spectrum of Hawking radiation contributes to the semiclassical unitary evolution of Hawking radiation. If more realistic models of Hawking radiation are chosen, the information-geometric structures of the probability space for Hawking radiation can be constructed from some physical considerations. The constructed quantum formalism is consistent with both the unitary evolution of Hawking radiation in the semiclassical picture and the topology change of fuzzy horizon. These aspects of Hawking radiation can be connected to some general convictions of quantum gravity such as holography. A comparison with fuzzball propasal shows the limiation and effectiveness of this construction. We conclude that the infromation-geometric aspects show some possible ways bridging the gap between semiclassical models and quantum gravity.

Xiao-Kan Guo

2014-10-04T23:59:59.000Z

495

Calibration method for video and radiation imagers  

DOE Patents (OSTI)

The relationship between the high energy radiation imager pixel (HERIP) coordinate and real-world x-coordinate is determined by a least square fit between the HERIP x-coordinate and the measured real-world x-coordinates of calibration markers that emit high energy radiation imager and reflect visible light. Upon calibration, a high energy radiation imager pixel position may be determined based on a real-world coordinate of a moving vehicle. Further, a scale parameter for said high energy radiation imager may be determined based on the real-world coordinate. The scale parameter depends on the y-coordinate of the moving vehicle as provided by a visible light camera. The high energy radiation imager may be employed to detect radiation from moving vehicles in multiple lanes, which correspondingly have different distances to the high energy radiation imager.

Cunningham, Mark F. (Oak Ridge, TN); Fabris, Lorenzo (Knoxville, TN); Gee, Timothy F. (Oak Ridge, TN); Goddard, Jr., James S. (Knoxville, TN); Karnowski, Thomas P. (Knoxville, TN); Ziock, Klaus-peter (Clinton, TN)

2011-07-05T23:59:59.000Z

496

Fundamentals of health physics for the radiation-protection officer  

SciTech Connect

The contents of this book on health physics include chapters on properties of radioactive materials, radiation instrumentation, radiation protection programs, radiation survey programs, internal exposure, external exposure, decontamination, selection and design of radiation facilities, transportation of radioactive materials, radioactive waste management, radiation accidents and emergency preparedness, training, record keeping, quality assurance, and appraisal of radiation protection programs. (ACR)

Murphy, B.L.; Traub, R.J.; Gilchrist, R.L.; Mann, J.C.; Munson, L.H.; Carbaugh, E.H.; Baer, J.L.

1983-03-01T23:59:59.000Z

497

A new radiation shielding block material for radiation therapy  

SciTech Connect

In recent years, lead has been recognized as a source of environmental pollution; this includes lead use for radiation shielding in radiotherapy. We looked for a new material that could be a lead substitute. We chose a material composed of tungsten and resin. We compared the attenuation coefficient of the material with those of lead and Lipowitz's metal, and found the material has a higher attenuation coefficient than the other two. The material may be used as a substitute for lead because it is easy to fabricate and friendly to the environment.

Tajiri, Minoru; Sunaoka, Masayoshi; Fukumura, Akifumi; Endo, Masahiro [Radiological Technology Office, National Institute of Radiological Sciences 4-9-1, Anagawa, Inage-ku, Chiba 263-8555 (Japan); Department of Medical Physics, National Institute of Radiological Sciences 4-9-1, Anagawa, Inage-ku, Chiba 263-8555 (Japan)

2004-11-01T23:59:59.000Z

498

JOINT EPA/DOE STATEMENT: Radiation Monitors Confirm That No Radiation  

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

EPA/DOE STATEMENT: Radiation Monitors Confirm That No EPA/DOE STATEMENT: Radiation Monitors Confirm That No Radiation Levels of Concern Have Reached the United States JOINT EPA/DOE STATEMENT: Radiation Monitors Confirm That No Radiation Levels of Concern Have Reached the United States March 18, 2011 - 12:00am Addthis WASHINGTON - The United States Government has an extensive network of radiation monitors around the country and no radiation levels of concern have been detected. The U.S. Environmental Protection Agency RadNet system is designed to protect the public by notifying scientists, in near real time, of elevated levels of radiation so they can determine whether protective action is required. The EPA's system has not detected any radiation levels of concern. In addition to EPA's RadNet system, the U.S. Department of Energy has

499

Radiation effects in the environment  

SciTech Connect

Although the Navajo possess substantial resource wealth-coal, gas, uranium, water-this potential wealth has been translated into limited permanent economic or political power. In fact, wealth or potential for wealth has often made the Navajo the victims of more powerful interests greedy for the assets under limited Navajo control. The primary focus for this education workshop on the radiation effects in the environment is to provide a forum where scientists from the nuclear science and technology community can share their knowledge toward the advancement and diffusion of nuclear science and technology issues for the Navajo public. The scientists will make an attempt to consider the following basic questions; what is science; what is mathematics; what is nuclear radiation? Seven papers are included in this report: Navajo view of radiation; Nuclear energy, national security and international stability; ABC`s of nuclear science; Nuclear medicine: 100 years in the making; Radon in the environment; Bicarbonate leaching of uranium; and Computational methods for subsurface flow and transport. The proceedings of this workshop will be used as a valuable reference materials in future workshops and K-14 classrooms in Navajo communities that need to improve basic understanding of nuclear science and technology issues. Results of the Begay-Stevens research has revealed the existence of strange and mysterious concepts in the Navajo Language of nature. With these research results Begay and Stevens prepared a lecture entitled The Physics of Laser Fusion in the Navajo language. This lecture has been delivered in numerous Navajo schools, and in universities and colleges in the US, Canada, and Alaska.

Begay, F.; Rosen, L.; Petersen, D.F.; Mason, C.; Travis, B. [Los Alamos National Lab., NM (United States); Yazzie, A. [Navajo Nation, Window Rock, AZ (United States). Dept. of History; Isaac, M.C.P.; Seaborg, G.T. [Lawrence Berkeley National Lab., CA (United States); Leavitt, C.P. [Univ. of New Mexico, Albuquerque, NM (United States). Dept. of Physics and Astronomy

1999-04-01T23:59:59.000Z

500

Solid-state radiation-emitting compositions and devices  

DOE Patents (OSTI)

The invention relates to a composition for the volumetric generation of radiation, wherein a first substance functions as a source of exciting radiation, and a second substance interacts with the exciting radiation to provide a second radiation. The compositions comprise a porous substrate which is loaded with: a source of exciting radiation, a component capable of emitting radiation upon interaction with the exciting radiation, or both. Preferably, the composition is an aerogel substrate loaded with both a source of exciting radiation, such as tritium, and a component capable of interacting with the exciting radiation, e.g., a phosphor, to produce radiation of a second energy. 4 figs.

Ashley, C.S.; Brinker, C.J.; Reed, S.; Walko, R.J.

1992-08-11T23:59:59.000Z