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1

Definition: Gas Flux Sampling | Open Energy Information  

Open Energy Info (EERE)

Gas Flux Sampling Jump to: navigation, search Dictionary.png Gas Flux Sampling Gas flux sampling measures the flow of volatile gas emissions from a specific location and compares...

2

Gas Flux Sampling | Open Energy Information  

Open Energy Info (EERE)

Gas Flux Sampling Gas Flux Sampling Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Gas Flux Sampling Details Activities (26) Areas (20) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Field Techniques Exploration Sub Group: Field Sampling Parent Exploration Technique: Gas Sampling Information Provided by Technique Lithology: Stratigraphic/Structural: High flux can be indicative of conduits for fluid flow. Hydrological: Thermal: Anomalous flux is associated with active hydrothermal activity. Dictionary.png Gas Flux Sampling: Gas flux sampling measures the flow of volatile gas emissions from a specific location and compares it to average background emissions. Anomalously high gas flux can be an indication of hydrothermal activity.

3

Gas Flux Sampling (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

Gas Flux Sampling (Klein, 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling (Klein, 2007) Exploration Activity Details...

4

Gas Flux Sampling (Lewicki & Oldenburg, 2004) | Open Energy Informatio...  

Open Energy Info (EERE)

2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling (Lewicki & Oldenburg, 2004) Exploration Activity Details Location...

5

Gas Flux Sampling (Lewicki & Oldenburg) | Open Energy Information  

Open Energy Info (EERE)

Gas Flux Sampling (Lewicki & Oldenburg) Gas Flux Sampling (Lewicki & Oldenburg) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling (Lewicki & Oldenburg) Exploration Activity Details Location Unspecified Exploration Technique Gas Flux Sampling Activity Date Usefulness useful DOE-funding Unknown References Jennifer L. Lewicki, Curtis M. Oldenburg (Unknown) Near-Surface Co2 Monitoring And Analysis To Detect Hidden Geothermal Systems Retrieved from "http://en.openei.org/w/index.php?title=Gas_Flux_Sampling_(Lewicki_%26_Oldenburg)&oldid=508144" Categories: Exploration Activities DOE Funded Activities What links here Related changes Special pages Printable version Permanent link Browse properties 429 Throttled (bot load) Error 429 Throttled (bot load)

6

Gas Flux Sampling (Evans, Et Al., 2001) | Open Energy Information  

Open Energy Info (EERE)

Gas Flux Sampling (Evans, Et Al., 2001) Gas Flux Sampling (Evans, Et Al., 2001) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling (Evans, Et Al., 2001) Exploration Activity Details Location Unspecified Exploration Technique Gas Flux Sampling Activity Date Usefulness useful DOE-funding Unknown Notes Laboratory experiments aimed at evaluating gas flux sampling methods The value of using the noble gas suite in transport studies is made obvious by the eight-fold enrichment in 4Her132Xe observed in the 80% CO sample (Table 2 1), relative to abundancies in air. Our results at least show that gas samples collected by either sudden pre-evacuated container or gradual gas pump. Removal of tens of cm3 of gas through an access pipe appear to reflect steady-state values. On-site measurements other than CO2 flux could

7

Gas Flux Sampling (Lewicki & Oldenburg, 2005) | Open Energy Informatio...  

Open Energy Info (EERE)

Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon Gas Flux Sampling (Lewicki & Oldenburg, 2005) Jump to: navigation, search GEOTHERMAL...

8

Gas Flux Sampling At Desert Peak Area (Lechler And Coolbaugh...  

Open Energy Info (EERE)

Page Edit History Facebook icon Twitter icon Gas Flux Sampling At Desert Peak Area (Lechler And Coolbaugh, 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home...

9

Gas Flux Sampling (Laney, 2005) | Open Energy Information  

Open Energy Info (EERE)

Gas Flux Sampling (Laney, 2005) Gas Flux Sampling (Laney, 2005) Exploration Activity Details Location Unspecified Exploration Technique Gas Flux Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Design of Sampling Strategies to Detect CO2 Emissions From Hidden Geothermal Systems, Lewicki, Oldenburg and Kennedy. The objective of this project is to investigate geothermal CO2 monitoring in the near surface as a tool to discover hidden geothermal reservoirs. A primary goal of this project is to develop an approach that places emphasis on cost and time-efficient near-surface exploration methods and yields results to guide and focus more cost-intensive geophysical measurements, installation of deep wells, and geochemical analyses of deep fluids. To this end, we present (1) the physical properties of CO2 key to its transport in the

10

Gas Flux Sampling At Haleakala Volcano Area (Thomas, 1986) | Open Energy  

Open Energy Info (EERE)

Gas Flux Sampling At Haleakala Volcano Area (Thomas, 1986) Gas Flux Sampling At Haleakala Volcano Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Haleakala Volcano Area (Thomas, 1986) Exploration Activity Details Location Haleakala Volcano Area Exploration Technique Gas Flux Sampling Activity Date Usefulness useful DOE-funding Unknown Notes The field survey program on the northwest rift zone consisted of soil mercury and radon emanometry surveys, groundwater temperature and chemistry studies, Schlumberger resistivity soundings and self-potential profiles. Geophysical and geochemical surveys along this rift (southwest) were limited by difficult field conditions and access limitations. The geophysical program consisted of one Schlumberger sounding, one

11

Gas Flux Sampling At Black Warrior Area (DOE GTP) | Open Energy...  

Open Energy Info (EERE)

GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Black Warrior Area (DOE GTP) Exploration Activity Details Location...

12

Gas Flux Sampling At Mccoy Geothermal Area (DOE GTP) | Open Energy...  

Open Energy Info (EERE)

GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Mccoy Geothermal Area (DOE GTP) Exploration Activity Details Location...

13

Gas Flux Sampling At Brady Hot Springs Area (Lechler And Coolbaugh...  

Open Energy Info (EERE)

2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Brady Hot Springs Area (Lechler And Coolbaugh, 2007) Exploration...

14

Gas Flux Sampling At Socorro Mountain Area (Owens, Et Al., 2005...  

Open Energy Info (EERE)

Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon Gas Flux Sampling At Socorro Mountain Area (Owens, Et Al., 2005) Jump to: navigation,...

15

Gas Flux Sampling At Maui Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

Maui Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Maui Area (DOE GTP) Exploration Activity Details...

16

Gas Flux Sampling At Mauna Loa Northeast Rift Area (Thomas, 1986) | Open  

Open Energy Info (EERE)

Gas Flux Sampling At Mauna Loa Northeast Rift Area (Thomas, 1986) Gas Flux Sampling At Mauna Loa Northeast Rift Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Mauna Loa Northeast Rift Area (Thomas, 1986) Exploration Activity Details Location Mauna Loa Northeast Rift Area Exploration Technique Gas Flux Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Soil mercury and radon emanometry sampling conducted in the Keaau prospect were similarly unable to define any anomalies that could reasonably be interpreted to be due to subsurface thermal effects. References Donald M. Thomas (1 January 1986) Geothermal Resources Assessment In Hawaii Retrieved from "http://en.openei.org/w/index.php?title=Gas_Flux_Sampling_At_Mauna_Loa_Northeast_Rift_Area_(Thomas,_1986)&oldid=389039"

17

Gas Flux Sampling At Long Valley Caldera Area (Bergfeld, Et Al., 2006) |  

Open Energy Info (EERE)

Gas Flux Sampling At Long Valley Caldera Area (Bergfeld, Et Al., 2006) Gas Flux Sampling At Long Valley Caldera Area (Bergfeld, Et Al., 2006) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Long Valley Caldera Area (Bergfeld, Et Al., 2006) Exploration Activity Details Location Long Valley Caldera Area Exploration Technique Gas Flux Sampling Activity Date Usefulness useful DOE-funding Unknown Notes At shallow depths in the caldera References Deborah Bergfeld, William C. Evans, James F. Howle, Christopher D. Farrar (2006) Carbon Dioxide Emissions From Vegetation-Kill Zones Around The Resurgent Dome Of Long Valley Caldera, Eastern California, Usa Retrieved from "http://en.openei.org/w/index.php?title=Gas_Flux_Sampling_At_Long_Valley_Caldera_Area_(Bergfeld,_Et_Al.,_2006)&oldid=386973

18

Gas Flux Sampling At Lahaina-Kaanapali Area (Thomas, 1986) | Open Energy  

Open Energy Info (EERE)

Gas Flux Sampling At Lahaina-Kaanapali Area (Thomas, 1986) Gas Flux Sampling At Lahaina-Kaanapali Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Lahaina-Kaanapali Area (Thomas, 1986) Exploration Activity Details Location Lahaina-Kaanapali Area Exploration Technique Gas Flux Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes The soil mercury concentration and radon emanometry patterns observed for the Lahaina prospect were similar to those found in Olowalu. Several localized zones of high mercury concentration or enhanced radon emanation were observed, but showed little relationship to each other or to the recognized geologic structure in the area. The data were interpreted to suggest that there might be a small thermal anomaly to the northeast of the

19

Gas Flux Sampling At Mokapu Penninsula Area (Thomas, 1986) | Open Energy  

Open Energy Info (EERE)

Gas Flux Sampling At Mokapu Penninsula Area (Thomas, 1986) Gas Flux Sampling At Mokapu Penninsula Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Mokapu Penninsula Area (Thomas, 1986) Exploration Activity Details Location Mokapu Penninsula Area Exploration Technique Gas Flux Sampling Activity Date Usefulness not useful DOE-funding Unknown Notes The high degree of cultural activity (e.g. residential areas, streets, jet runways, etc.) on Mokapu both limited the extent of the soil geochemical surveys performed and rendered their interpretation much more difficult. Soil mercury concentrations and radon emanometry data on the peninsula showed a few localized high values (Figs 13, 14), but no consistent correlation between the anomalous zones and geologic features could be

20

Gas Flux Sampling At Olowalu-Ukumehame Canyon Area (Thomas, 1986) | Open  

Open Energy Info (EERE)

Gas Flux Sampling At Olowalu-Ukumehame Canyon Area (Thomas, 1986) Gas Flux Sampling At Olowalu-Ukumehame Canyon Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Olowalu-Ukumehame Canyon Area (Thomas, 1986) Exploration Activity Details Location Olowalu-Ukumehame Canyon Area Exploration Technique Gas Flux Sampling Activity Date Usefulness could be useful with more improvements DOE-funding Unknown Notes Soil mercury concentration and radon emanometry surveys were conducted along the stream beds in both Olowalu and Ukumehame Canyons and on the coastal alluvial fans (Cox and Cuff, 1981a). The results of these surveys indicated that a few minor -nomalies might be present. However, the extreme topographic relief in the area did not permit sufficient coverage of the

Note: This page contains sample records for the topic "gas flux sampling" 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

Gas Flux Sampling At Lualualei Valley Area (Thomas, 1986) | Open Energy  

Open Energy Info (EERE)

Gas Flux Sampling At Lualualei Valley Area (Thomas, 1986) Gas Flux Sampling At Lualualei Valley Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Lualualei Valley Area (Thomas, 1986) Exploration Activity Details Location Lualualei Valley Area Exploration Technique Gas Flux Sampling Activity Date Usefulness useful DOE-funding Unknown Notes Soil mercury and radon emanation surveys were performed over much of the accessible surface of Lualualei Valley (Cox and Thomas, 1979). The results of these surveys (Figs 7 and 8) delineated several areas in which soil mercury concentrations or radon emanation rates were substantially above normal background values. Some of these areas were apparently coincident with the mapped fracture systems associated with the caldera boundaries.

22

Gas Flux Sampling At Akutan Fumaroles Area (Kolker, Et Al., 2010) | Open  

Open Energy Info (EERE)

Gas Flux Sampling At Akutan Fumaroles Area (Kolker, Et Al., 2010) Gas Flux Sampling At Akutan Fumaroles Area (Kolker, Et Al., 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Akutan Fumaroles Area (Kolker, Et Al., 2010) Exploration Activity Details Location Akutan Fumaroles Area Exploration Technique Gas Flux Sampling Activity Date Usefulness useful DOE-funding Unknown Notes Arsenic (As), mercury (Hg), and carbon dioxide (CO2) all appear in anomalously high concentrations near the hot springs and at the junction of the Fumarole Valley and the HSBV. This indicates either that Hg is being lost from a reservoir due to boiling and steam loss, probably northwest of the junction, or erosion has carried these elements in sediment from the higher elevation manifestations. The presence of such volatiles in

23

Gas Flux Sampling At Lightning Dock Area (Cunniff & Bowers, 2005) | Open  

Open Energy Info (EERE)

Lightning Dock Area (Cunniff & Bowers, 2005) Lightning Dock Area (Cunniff & Bowers, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Lightning Dock Area (Cunniff & Bowers, 2005) Exploration Activity Details Location Lightning Dock Area Exploration Technique Gas Flux Sampling Activity Date Usefulness not useful DOE-funding Unknown Notes Based on all of the data, McLin concluded that there was little to no correlation between values for CO2 flux and known or postulated faults, and between the CO2 flux and the shallow thermal anomaly. Instead, the flux values appeared to depict a completely random pattern throughout the study area. Notably, absolute values for CO2 flux were elevated throughout the surveyed areas (McLin, 2004). A possible explanation not considered by

24

Gas Flux Sampling At Long Valley Caldera Area (Lewicki, Et Al., 2008) |  

Open Energy Info (EERE)

Lewicki, Et Al., 2008) Lewicki, Et Al., 2008) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Long Valley Caldera Area (Lewicki, Et Al., 2008) Exploration Activity Details Location Long Valley Caldera Area Exploration Technique Gas Flux Sampling Activity Date Usefulness useful DOE-funding Unknown Notes At shallow depths in the caldera References J. L. Lewicki, M. L. Fischer, G. E. Hilley (2008) Six-Week Time Series Of Eddy Covariance Co2 Flux At Mammoth Mountain, California- Performance Evaluation And Role Of Meteorological Forcing Retrieved from "http://en.openei.org/w/index.php?title=Gas_Flux_Sampling_At_Long_Valley_Caldera_Area_(Lewicki,_Et_Al.,_2008)&oldid=508150" Categories: Exploration Activities DOE Funded

25

Gas Flux Sampling At Kilauea East Rift Area (Thomas, 1986) | Open Energy  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Gas Flux Sampling At Kilauea East Rift Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Kilauea East Rift Area (Thomas, 1986) Exploration Activity Details Location Kilauea East Rift Area Exploration Technique Gas Flux Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Radon emanometry data for the same locality (Fig. 61) (Cox, 1980) similarly presented a complicated pattern of radon outgassing along the lower rift zone. Even though complexities are present within the rift zone, there

26

Gas Flux Sampling At Kawaihae Area (Thomas, 1986) | Open Energy Information  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Gas Flux Sampling At Kawaihae Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Kawaihae Area (Thomas, 1986) Exploration Activity Details Location Kawaihae Area Exploration Technique Gas Flux Sampling Activity Date Usefulness not useful DOE-funding Unknown Notes The soil geochemistry yielded quite complex patterns of mercury concentrations and radonemanation rates within the survey area (Cox and Cuff, 1981c). Mercury concentrations (Fig. 38) showed a general minimum along the Kawaihae-Waimea roads and a broad trend of increasing mercury

27

Gas Flux Sampling At Steamboat Springs Area (Lechler And Coolbaugh, 2007) |  

Open Energy Info (EERE)

Steamboat Springs Area (Lechler And Coolbaugh, 2007) Steamboat Springs Area (Lechler And Coolbaugh, 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Steamboat Springs Area (Lechler And Coolbaugh, 2007) Exploration Activity Details Location Steamboat Springs Area Exploration Technique Gas Flux Sampling Activity Date Usefulness useful DOE-funding Unknown Notes Gaseous geochemical signatures vary from system to system and utilization of a multi-gas analytical approach to exploration or characterization should enhance the survey's clarity. This paper describes differences in the gaseous geochemical signatures between the Steamboat Springs and Brady's Hot Springs geothermal systems and illustrates the usefulness of Hg vapor in soils at Desert Peak for mapping the trends of concealed geologic

28

Gas Flux Sampling At Hualalai Northwest Rift Area (Thomas, 1986) | Open  

Open Energy Info (EERE)

Hualalai Northwest Rift Area (Thomas, 1986) Hualalai Northwest Rift Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling At Hualalai Northwest Rift Area (Thomas, 1986) Exploration Activity Details Location Hualalai Northwest Rift Area Exploration Technique Gas Flux Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes The Hualalai lower northwest rift and southern flank were sampled for soil mercury concentration and radon emanation rates (Cox and Cuff, 1981d). The data generated by these surveys yielded complex patterns of mercury concentrations and radon emanation rates that generally did not show coincident anomalies (Figs 42, 43). References Donald M. Thomas (1 January 1986) Geothermal Resources Assessment In

29

Gas Sampling | Open Energy Information  

Open Energy Info (EERE)

Gas Sampling Gas Sampling Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Gas Sampling Details Activities (7) Areas (7) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Field Techniques Exploration Sub Group: Field Sampling Parent Exploration Technique: Field Sampling Information Provided by Technique Lithology: Stratigraphic/Structural: High flux can be indicative of conduits for fluid flow. Hydrological: Gas composition and source of fluids. Thermal: Anomalous flux is associated with active hydrothermal activity. Distinguish magmatic/mantle heat inputs. Can be used to estimate reservoir fluid temperatures. Dictionary.png Gas Sampling: Gas sampling is done to characterize the chemical, thermal, and hydrological properties of a surface or subsurface hydrothermal system.

30

Flux Measurement with Conditional Sampling  

Science Conference Proceedings (OSTI)

A method is proposed to measure scalar fluxes using conditional sampling. Only the mean concentrations of updraft and downdraft samples, the standard deviation of the vertical velocity, and a coefficient of proportionality, b, need to be known. ...

Joost A. Businger; Steven P. Oncley

1990-04-01T23:59:59.000Z

31

Definition: Gas Sampling | Open Energy Information  

Open Energy Info (EERE)

Definition Definition Edit with form History Facebook icon Twitter icon » Definition: Gas Sampling Jump to: navigation, search Dictionary.png Gas Sampling Gas sampling is done to characterize the chemical, thermal, and hydrological properties of a surface or subsurface hydrothermal system. Various methods are applied to obtain samples used for determination of the composition of gases present in soils or hydrothermal discharges. The flux of volatile gases emitted from a hydrothermal system can also be determined by measuring the flow of gases at specific locations and comparing it to average background emissions. Anomalously high gas flux can provide an indication of hydrothermal activity at depth that is otherwise not apparent. Ret LikeLike UnlikeLike You like this.Sign Up to see what your friends like.

32

Flux Sampling Errors for Aircraft and Towers  

Science Conference Proceedings (OSTI)

Various errors and influences leading to differences between tower- and aircraft-measured fluxes are surveyed. This survey is motivated by reports in the literature that aircraft fluxes are sometimes smaller than tower-measured fluxes. Both tower ...

L. Mahrt

1998-04-01T23:59:59.000Z

33

Definition: Surface Gas Sampling | Open Energy Information  

Open Energy Info (EERE)

search Dictionary.png Surface Gas Sampling Gas sampling is done to characterize the chemical, thermal, or hydrological properties of a surface or subsurface hydrothermal system....

34

Water-Gas Sampling | Open Energy Information  

Open Energy Info (EERE)

Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon Water-Gas Sampling (Redirected from Water-Gas Samples) Redirect page Jump to: navigation,...

35

Water-Gas Sampling | Open Energy Information  

Open Energy Info (EERE)

Water-Gas Sampling Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Water-Gas Sampling edit Details Activities (21) Areas (18) Regions (1)...

36

Gas sampling in the DST  

SciTech Connect

Characterization of the rock-fluid interactions in the DST will play an important role in understanding the performance of waste package materials and radionuclide transport through the altered zone of a repository. Consequently, the chemistry of fluids and gases originating in the pore space of the rock and the changing compositions observed with time and temperature will be targeted for study in the chemistry boreholes of the DST. The chemical holes have been lined with SEAMIST (Science Engineering Associate Membrane In situ Sampling Technology) liners that allow gas and fluid from the pore spaces of the rock walls to be sampled on-site periodically. The concentrations of certain chemical species in the gases and fluids sampled at those locations will then be analyzed back in the laboratory. The baseline sampling of the rock-pore gases (prior to heater turn- on) is described.

DeLoach, L.; Chairappa, M.; Martinelli, R.; Glassley, B.

1998-01-12T23:59:59.000Z

37

Gas flux and carbonate occurrence at a shallow seep of thermogenic natural gas  

E-Print Network (OSTI)

010-0184-0 ORIGINAL Gas flux and carbonate occurrence atof thermogenic natural gas Franklin S. Kinnaman & Justine B.comprehensive survey of gas flux at Brian Seep yielded a

2010-01-01T23:59:59.000Z

38

Surface Gas Sampling | Open Energy Information  

Open Energy Info (EERE)

Surface Gas Sampling Surface Gas Sampling Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Surface Gas Sampling Details Activities (12) Areas (10) Regions (1) NEPA(0) Exploration Technique Information Exploration Group: Field Techniques Exploration Sub Group: Field Sampling Parent Exploration Technique: Gas Sampling Information Provided by Technique Lithology: Stratigraphic/Structural: Hydrological: Gas composition and source of fluids. Thermal: Distinguish magmatic/mantle heat inputs. Can be used to estimate reservoir fluid temperatures. Dictionary.png Surface Gas Sampling: Gas sampling is done to characterize the chemical, thermal, or hydrological properties of a surface or subsurface hydrothermal system. Other definitions:Wikipedia Reegle Introduction

39

Variability of Gas Composition and Flux Intensity in Natural Marine Hydrocarbon Seeps  

E-Print Network (OSTI)

of gas composition and flux intensity in natural marineof gas composition and flux intensity in natural marine

Clark, J F; Schwager, Katherine; Washburn, Libe

2005-01-01T23:59:59.000Z

40

Soil Gas Sampling | Open Energy Information  

Open Energy Info (EERE)

Soil Gas Sampling Soil Gas Sampling Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Soil Gas Sampling Details Activities (0) Areas (0) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Field Techniques Exploration Sub Group: Field Sampling Parent Exploration Technique: Gas Sampling Information Provided by Technique Lithology: Stratigraphic/Structural: Identify concealed faults that act as conduits for hydrothermal fluids. Hydrological: Identify hydrothermal gases of magmatic origin. Thermal: Differentiate between amagmatic or magmatic sources heat. Dictionary.png Soil Gas Sampling: Soil gas sampling is sometimes used in exploration for blind geothermal resources to detect anomalously high concentrations of hydrothermal gases

Note: This page contains sample records for the topic "gas flux sampling" 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

ARM - Field Campaign - Precision Gas Sampling (PGS) Validation Field  

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

govCampaignsPrecision Gas Sampling (PGS) Validation Field Campaign govCampaignsPrecision Gas Sampling (PGS) Validation Field Campaign Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : Precision Gas Sampling (PGS) Validation Field Campaign 2003.04.02 - 2003.09.02 Lead Scientist : Marc Fischer For data sets, see below. Description Ecosystem-atmosphere exchange of carbon, water, and energy varies with climate, soil, and land management, in ways 1) that influence the CO2 flux and planetary boundary layer CO2 concentration in ARM CART and 2) that we can model and predict. This activity repeated portable flux system measurements that we performed in spring 2002, by continuing measurements of the spatial heterogeneity of carbon, water, and energy fluxes in fields surrounding the ARM SGP Central Facility (CF).

42

Bivariate Conditional Sampling of Moisture Flux over a Tropical Ocean  

Science Conference Proceedings (OSTI)

New applications of conditional sampling using the bivariate joint frequency distribution (JFD) and conditional mean distribution (CMD) are introduced to analyze time series of water vapor flux obtained from aircraft gust-probe vertical velocity ...

Robert L. Grossman

1984-11-01T23:59:59.000Z

43

Sampling Errors in Flux Measurements of Slowly Depositing Pollutants  

Science Conference Proceedings (OSTI)

Sampling errors in vertical flux measurements obtained by eddy correlation methods are investigated by specifying a jointly normallognormal density distribution for the vertical velocity and scalar concentration. The probability density function ...

Edward E. O'Brien

1985-07-01T23:59:59.000Z

44

Gas sampling system for a mass spectrometer  

DOE Patents (OSTI)

The present invention relates generally to a gas sampling system, and specifically to a gas sampling system for transporting a hazardous process gas to a remotely located mass spectrometer. The gas sampling system includes a capillary tube having a predetermined capillary length and capillary diameter in communication with the supply of process gas and the mass spectrometer, a flexible tube surrounding and coaxial with the capillary tube intermediate the supply of process gas and the mass spectrometer, a heat transfer tube surrounding and coaxial with the capillary tube, and a heating device in communication the heat transfer tube for substantially preventing condensation of the process gas within the capillary tube.

Taylor, Charles E; Ladner, Edward P

2003-12-30T23:59:59.000Z

45

ARM - Field Campaign - Precision Gas Sampling (PGS) Validation Field  

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

govCampaignsPrecision Gas Sampling (PGS) Validation Field Campaign govCampaignsPrecision Gas Sampling (PGS) Validation Field Campaign Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : Precision Gas Sampling (PGS) Validation Field Campaign 2004.04.15 - 2004.12.15 Lead Scientist : Marc Fischer For data sets, see below. Description Accurate prediction of the regional responses of CO2 flux to changing climate, land use, and management requires models that are parameterized and tested against measurements made in multiple land cover types and over seasonal to inter-annual time scales. Models predicting fluxes for un-irrigated agriculture were posed with the challenge of characterizing the onset and severity of plant water stress. We conducted a study that quantified the spatial heterogeneity and temporal variations in land

46

Category:Gas Sampling | Open Energy Information  

Open Energy Info (EERE)

Login | Sign Up Search Category Edit History Facebook icon Twitter icon Category:Gas Sampling Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home...

47

Improved Gas Sampling Device - Available Technologies - PNNL  

Summary. This is an improved device for gas sampling and analysis in which the design of the device includes features for maximizing the surface area ...

48

ARM - Field Campaign - Precision Gas Sampling (PGS) Validation Field  

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

govCampaignsPrecision Gas Sampling (PGS) Validation Field Campaign govCampaignsPrecision Gas Sampling (PGS) Validation Field Campaign Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : Precision Gas Sampling (PGS) Validation Field Campaign 2006.01.01 - 2006.12.31 Lead Scientist : Marc Fischer For data sets, see below. Description Accurate prediction of the regional responses of CO2 flux to changing climate, land use, and management requires models that are parameterized and tested against measurements made in multiple land cover types and over seasonal to inter-annual time scales. In an extension of our earlier work on crop systems, we investigated the effects of burning on the cycles of carbon, water, and energy in an example of grazed land of the Southern Great Plains. In collaboration with Dr. Herman Mayeux, of the USDA Grazing

49

Definition: Soil Gas Sampling | Open Energy Information  

Open Energy Info (EERE)

Definition Definition Edit with form History Facebook icon Twitter icon » Definition: Soil Gas Sampling Jump to: navigation, search Dictionary.png Soil Gas Sampling Soil gas sampling is sometimes used in exploration for blind geothermal resources to detect anomalously high concentrations of hydrothermal gases in the near-surface environment. Identification of high concentrations of hydrothermal gas species may indicates the presence of enhanced permeability (faults) and high temperature hydrothermal activity at depth. Soil gas data may also be used to study other important aspects of the geothermal system, such as distinguishing between magmatic and amagmatic sources of heat. The technique may also be used for ongoing monitoring of the geothermal system during resource development and production.

50

A Gas-Capture Buoy for Measuring Bubbling Gas Flux in Oceans and Lakes  

Science Conference Proceedings (OSTI)

The design, calibration, and deployment of a buoy and gas-capture assembly for measuring bubbling gas flux in oceans and lakes are described. The assembly collects gas in a chamber while continuously measuring the position of the gaswater ...

Libe Washburn; Cyril Johnson; Chris C. Gotschalk; E. Thor Egland

2001-08-01T23:59:59.000Z

51

The role of trace gas flux networks in biogeosciences  

SciTech Connect

Vast networks of meteorological sensors ring the globe, providing continuous measurements of an array of atmospheric state variables such as temperature, humidity, rainfall, and the concentration of carbon dioxide [New etal., 1999; Tans etal., 1996]. These measurements provide input to weather and climate models and are key to detecting trends in climate, greenhouse gases, and air pollution. Yet to understand how and why these atmospheric state variables vary in time and space, biogeoscientists need to know where, when, and at what rates important gases are flowing between the land and the atmosphere. Tracking trace gas fluxes provides information on plant or microbial metabolism and climate-ecosystem interactions. The existence of trace gas flux networks is a relatively new phenomenon, dating back to research in 1984. The first gas flux measurement networks were regional in scope and were designed to track pollutant gases such as sulfur dioxide, ozone, nitric acid, and nitrogen dioxide. Atmospheric observations and model simulations were used to infer the depositional rates of these hazardous chemicals [Fowler etal., 2009; Meyers etal., 1991]. In the late 1990s, two additional trace gas flux measurement networks emerged. One, the United States Trace Gas Network (TRAGNET), was a short-lived effort that measured trace gas emissions from the soil and plants with chambers distributed throughout the country [Ojima etal., 2000]. The other, FLUXNET, was an international endeavor that brought many regional networks together to measure the fluxes of carbon dioxide, water vapor, and sensible heat exchange with the eddy covariance technique [Baldocchi etal., 2001]. FLUXNET, which remains active today, currently includes more than 400 tower sites, dispersed across most of the world's climatic zones and biomes, with sites in North and South America, Europe, Asia, Africa, and Australia. More recently, several specialized networks have emerged, including networks dedicated to urban areas (Urban Fluxnet), nitrogen compounds in Europe (NitroEurope), and methane (MethaneNet). Technical Aspects of Flux Networks Eddy covariance flux measurements are the preferred method by which biogeoscientists measure trace gas exchange between ecosystems and the atmosphere [Baldocchi, 2003].

Baldocch, Dennis [Department of Environmental Science, Policy and Management, University of California, Berkeley,; Reichstein, Markus [Max Planck Institute for Biogeochemistry; Papale, D. [University of Tuscia; KOTEEN, LAURIE [University of California, Berkeley; VARGAS, RODRIGO [Ensenada Center for Scientific Research and Higher Education (CICESE); Agarwal, D.A [Lawrence Berkeley National Laboratory (LBNL); Cook, Robert B [ORNL

2012-01-01T23:59:59.000Z

52

Ammonia Results Review for Retained Gas Sampling  

SciTech Connect

This report was prepared as part of a task supporting the deployment of the retained gas sampler (RGS) system in Flammable Gas Watch List Tanks. The emphasis of this report is on presenting supplemental information about the ammonia measurements resulting from retained gas sampling of Tanks 241-AW-101, A-101, AN-105, AN-104, AN-103, U-103, S-106, BY-101, BY-109, SX-106, AX-101, S-102, S-111, U-109, and SY-101. This information provides a better understanding of the accuracy of past RGS ammonia measurements, which will assist in determining flammable and toxicological hazards.

Mahoney, Lenna A.

2000-09-20T23:59:59.000Z

53

Gas Sampling At Colrado Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

Gas Sampling At Colrado Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Sampling At Colrado Area (DOE GTP) Exploration...

54

Variability of Gas Composition and Flux Intensity in Natural Marine Hydrocarbon Seeps  

E-Print Network (OSTI)

Energy Development and Technology 008 "Variability of gas composition and flux intensity in natural marine hydrocarbon seeps" Jordan

Clark, J F; Schwager, Katherine; Washburn, Libe

2005-01-01T23:59:59.000Z

55

Projected Future Carbon Storage and Greenhouse-Gas Fluxes of Terrestrial  

E-Print Network (OSTI)

Projected Future Carbon Storage and Greenhouse-Gas Fluxes of Terrestrial Ecosystems in the Western. Sleeter Chapter 9 of Baseline and Projected Future Carbon Storage and Greenhouse-Gas Fluxes in Ecosystems.L., Hawbaker, T.J., and Sleeter, B.M., 2012, Projected future carbon storage and greenhouse gas fluxes

Fleskes, Joe

56

Water-Gas Samples (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water-Gas Samples (Klein, 2007) Exploration Activity Details Location Unspecified...

57

Fungal, bacterial, and archaeal communities mediating C cycling and trace gas flux in peatland ecosystems subject to climate change  

E-Print Network (OSTI)

Fungal, bacterial, and archaeal communities mediating C cycling and trace gas flux in peatland microbial community profiling in a network of natural peatland ecosystems spanning large-scale climate the drivers of microbial community composition via metagenomic and metatranscriptomic analysis of samples from

58

Pesticide transfer dynamics and fluxes in the stream of a small vineyard watershed -Assessing the effect of sampling strategy on fluxes estimation  

E-Print Network (OSTI)

strategy, Pesticides fluxes, Surface water, Vineyard Introduction The intensive use of pesticides for crop on the mobilisation of pesticides and total fluxes in surface water. Moreover, the effect of the sampling strategy ranged from 1.0 to 60 g. Effect of sampling strategy on the estimation of pesticides fluxes in the river

Paris-Sud XI, Université de

59

Quality Control and Flux Sampling Problems for Tower and Aircraft Data  

Science Conference Proceedings (OSTI)

A series of automated tests is developed for tower and aircraft time series to identify instrumentation problems, flux sampling problems, and physically plausible but unusual situations. The automated procedures serve as a safety net for quality ...

Dean Vickers; L. Mahrt

1997-06-01T23:59:59.000Z

60

Measurements of Trace Gas Fluxes by MAX-DOAS In Texas City, Texas spring 2009  

E-Print Network (OSTI)

Measurements of Trace Gas Fluxes by MAX- DOAS In Texas City, Texas ­ spring 2009 Elaina Shawver and NO2 from oil refineries in Texas City, TX by utilizing the spatial inhomogeneity of trace gas/hr, respectively. Determine facility averaged fluxes of NO2, HCHO, and SO2 in Texas City Determine source specific

Collins, Gary S.

Note: This page contains sample records for the topic "gas flux sampling" 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

Model of Trace Gas Flux in Boundary Layer  

E-Print Network (OSTI)

Mathematical model of the turbulent flux in the three-layer boundary system is presented. Turbulence is described as a presence of the nonzero vorticity. Generalized advection-diffusion-reaction equation is derived for arbitrary number components in the flux. The fluxes in the layers are objects for matching requirements on the boundaries between the layers.

I. I. Vasenev; I. S. Nurgaliev

2013-03-04T23:59:59.000Z

62

Surface Gas Sampling (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling (Klein, 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling (Klein, 2007) Exploration Activity Details Location Unspecified Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References Christopher W. Klein (1 January 2007) Advances In The Past 20 Years- Geochemistry In Geothermal Exploration Resource Evaluation And Reservoir Management Retrieved from "http://en.openei.org/w/index.php?title=Surface_Gas_Sampling_(Klein,_2007)&oldid=689399"

63

Surface Gas Sampling At International Geothermal Area Mexico...  

Open Energy Info (EERE)

Facebook icon Twitter icon Surface Gas Sampling At International Geothermal Area Mexico (Norman, Et Al., 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home...

64

Neural net controlled tag gas sampling system for nuclear reactors  

DOE Patents (OSTI)

A method and system for providing a tag gas identifier to a nuclear fuel rod and analyze escaped tag gas to identify a particular failed nuclear fuel rod. The method and system include disposing a unique tag gas composition into a plenum of a nuclear fuel rod, monitoring gamma ray activity, analyzing gamma ray signals to assess whether a nuclear fuel rod has failed and is emitting tag gas, activating a tag gas sampling and analysis system upon sensing tag gas emission from a failed nuclear rod and evaluating the escaped tag gas to identify the particular failed nuclear fuel rod.

Gross, Kenneth C. (Bolingbrook, IL); Laug, Matthew T. (Idaho Fall, ID); Lambert, John D. B. (Wheaton, IL); Herzog, James P. (Downers Grove, IL)

1997-01-01T23:59:59.000Z

65

High density flux of Co nanoparticles produced by a simple gas aggregation apparatus  

Science Conference Proceedings (OSTI)

Gas aggregation is a well known method used to produce clusters of different materials with good size control, reduced dispersion, and precise stoichiometry. The cost of these systems is relatively high and they are generally dedicated apparatuses. Furthermore, the usual sample production speed of these systems is not as fast as physical vapor deposition devices posing a problem when thick samples are needed. In this paper we describe the development of a multipurpose gas aggregation system constructed as an adaptation to a magnetron sputtering system. The cost of this adaptation is negligible and its installation and operation are both remarkably simple. The gas flow for flux in the range of 60-130 SCCM (SCCM denotes cubic centimeter per minute at STP) is able to completely collimate all the sputtered material, producing spherical nanoparticles. Co nanoparticles were produced and characterized using electron microscopy techniques and Rutherford back-scattering analysis. The size of the particles is around 10 nm with around 75 nm/min of deposition rate at the center of a Gaussian profile nanoparticle beam.

Landi, G. T.; Romero, S. A.; Santos, A. D. [Departamento de Fisica dos Materiais e Mecanica, Laboratorio de Materiais Magneticos, Instituto de Fisica, Universidade de Sao Paulo, Caixa Postal 66318, 05314-970 Sao Paulo, SP (Brazil)

2010-03-15T23:59:59.000Z

66

Proper Oil Sampling Intervals and Sample Collection Techniques Gasoline/Diesel/Natural Gas Engines  

E-Print Network (OSTI)

Proper Oil Sampling Intervals and Sample Collection Techniques Gasoline/Diesel/Natural Gas Engines: · Oil samples can be collected during oil changes. Follow manufacturers recommendations on frequency (hours, mileage, etc) of oil changes. · Capture a sample from the draining oil while the oil is still hot

67

Adaptive noise cancellation schemes for magnetic flux leakage signals obtained from gas pipeline inspection  

Science Conference Proceedings (OSTI)

Nondestructive evaluation of the gas pipeline system is most commonly performed using magnetic flux leakage (MFL) techniques. A major segment of this network employs seamless pipes. The data obtained From MFL inspection of seamless pipes is contaminated ...

M. Afzal; R. Polikar; L. Udpa; S. Udpa

2001-05-01T23:59:59.000Z

68

Real time mass flux measurements of gas-solid suspensions at low velocities  

SciTech Connect

In previous work, measurement of the particulate mass flux was made based upon a novel electrostatic technique. A small conducting wire sensor was inserted in the flow and as each particle hit the sensor an individual pulse of current was identified. Through suitable electronic circuitry, the number of pulses in a given time were counted. This was a direct measure of the number of particle-probe collisions which was related to local particle mass flow. The technique is currently limited to monodisperse suspensions. A primary advantage of the impact counter system is that the output does not depend upon the magnitude of the actual charge transfer. As long as the pulses are sufficiently above the noise level, variations in charge transfer will not affect the measurement. For the current work, the technique was applied to vertical gas-solid flow where the fluid velocity was slightly above the particle terminal velocity. Under these conditions a sufficient signal to noise ratio was not found. The Cheng-Soo charge transfer theory indicated that the low particle-sensor impact velocity was responsible. The probe system was then modified by extracting a particulate sample isokinetically and accelerating the particles to a sufficient velocity by an area reduction in the sampling tube. With this technique the signal to noise ratio was about 12 to 1. Mass flux results are shown to compare favorably with filter collection and weighing.

Saunders, J H; Chao, B T; Soo, S L

1981-01-01T23:59:59.000Z

69

Error Analysis and Sampling Strategy Design for Using Fixed or Mobile Platforms to Estimate Ocean Flux  

Science Conference Proceedings (OSTI)

For estimating lateral flux in the ocean using fixed or mobile platforms, the authors present a method of analyzing the estimation error and designing the sampling strategy. When an array of moorings is used, spatial aliasing leads to an error in ...

Yanwu Zhang; James G. Bellingham; Yi Chao

2010-03-01T23:59:59.000Z

70

Gas Sampling At Maui Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Gas Sampling At Maui Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Sampling At Maui Area (DOE GTP) Exploration Activity Details Location Maui Area Exploration Technique Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References (1 January 2011) GTP ARRA Spreadsheet Retrieved from "http://en.openei.org/w/index.php?title=Gas_Sampling_At_Maui_Area_(DOE_GTP)&oldid=689419" Categories: Exploration Activities DOE Funded Activities ARRA Funded Activities What links here Related changes Special pages

71

Surface Gas Sampling At International Geothermal Area Mexico (Norman, Et  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At International Geothermal Area Mexico (Norman, Et Al., 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At International Geothermal Area Mexico (Norman, Et Al., 2002) Exploration Activity Details Location International Geothermal Area Mexico Exploration Technique Surface Gas Sampling Activity Date Usefulness useful DOE-funding Unknown Notes Norman (2002) shows that the Cerro Prieto gas analyses collected by Cathy Janik and Alfred Truesdell from1977 to 1998 plot on a C02/N2 condensation

72

Thermophoretic separation of aerosol particles from a sampled gas stream  

DOE Patents (OSTI)

A method for separating gaseous samples from a contained atmosphere that includes aerosol particles uses the step of repelling particles from a gas permeable surface or membrane by heating the surface to a temperature greater than that of the surrounding atmosphere. The resulting thermophoretic forces maintain the gas permeable surface clear of aerosol particles. The disclosed apparatus utilizes a downwardly facing heated plate of gas permeable material to combine thermophoretic repulsion and gravity forces to prevent particles of any size from contacting the separating plate surfaces.

Postma, Arlin K. (Halfway, OR)

1986-01-01T23:59:59.000Z

73

CHARACTERIZATION OF DWPF MELTER OFF-GAS QUENCHER SAMPLE  

Science Conference Proceedings (OSTI)

The Savannah River National Laboratory (SRNL) recently received a deposit sample from the Melter Primary Off Gas System (POG) of the Defense Waste Processing Facility (DWPF). This sample was composed of material that had been collected while the quencher was in operation January 27, 2011 through March 31, 2011. DWPF requested, through a technical assistance request, characterization of the melter off-gas deposits by x-ray diffraction (XRD), scanning electron microscopy (SEM), and chemical analysis. The purpose of the Melter Off-Gas System is to reduce the amount of radioactive particles and mercury in the gases vented to the atmosphere. Gases emitted from the melter pass through the primary film cooler, quencher, Off-Gas Condensate Tank (OGCT), Steam Atomized Scrubbers (SAS), a condenser, a high efficiency mist eliminator, and a high efficiency particulate air filter, before being vented to the Process Vessel Vent System. The film coolers cool the gases leaving the melter vapor space from {approx}750 C to {approx}375 C, by introducing air and steam to the flow. In the next step, the quencher cools the gas to about 60 C by bringing the condensate from the OGCT in contact with the effluent (Figure 1). Most of the steam in the effluent is then condensed and the melter vapor space pressure is reduced. The purpose of the OGCT is to collect and store the condensate formed during the melter operation. Condensate from the OGCT is circulated to the SAS and atomized with steam. This atomized condensate is mixed with the off-gas to wet and join the particulate which is then removed in the cyclone. The next stage incorporates a chilled water condenser which separates the vapors and elemental mercury from the off-gas steam. Primary off-gas deposit samples from the DWPF melter have previously been analyzed. In 2003, samples from just past the film cooler, from the inlet of the quencher and inside the quencher were analyzed at SRNL. It was determined that the samples were a mixture of sludge and glass frit. The major component was Si along with Fe, Al, and other elements in the radioactive waste being processed. The deposits analyzed also contained U-235 fission products and actinide elements. Prior to that, deposits in the off-gas system in the DWPF nonradioactive half scale melter and the one-tenth scale integrated DWPF melter system were analyzed and determined to be mixtures of alkali rich chlorides, sulfates, borates, and fluorides entrained with iron oxides, spinels and frit particles formed by vapor-phase transport and condensation. Additional work was performed in 2007 in which researchers similarly found the deposits to be a combination of sludge and frit particles.

Newell, J.

2011-11-14T23:59:59.000Z

74

Sampling and analysis of natural gas trace constituents  

DOE Green Energy (OSTI)

Major and minor components of natural gas are routinely analyzed by gas chromatography (GC), using a thermal conductivity (TC). The best results obtained by these methods can report no better than 0.01 mole percent of each measured component. Even the extended method of analysis by flame ionization detector (FID) can only improve on the detection limit of hydrocarbons. The gas industry needs better information on all trace constituents of natural gas, whether native or inadvertently added during gas processing that may adversely influence the operation of equipment or the safety of the consumer. The presence of arsenic and mercury in some gas deposits have now been documented in international literature as causing not only human toxicity but also damaging to the field equipment. Yet, no standard methods of sampling and analysis exist to provide this much needed information. In this paper the authors report the results of a three-year program to develop an extensive array of sampling and analysis methods for speciation and measurement of trace constituents of natural gas. A cryogenic sampler operating at near 200 K ({minus}99 F) and at pipeline pressures up to 12.4 {times} 10{sup 6}Pa (1800 psig) has been developed to preconcentrate and recover all trace constituents with boiling points above butanes. Specific analytical methods have been developed for speciating and measurement of many trace components (corresponding to US EPA air toxics) by GC-AED and GC-MS, and for determining various target compounds by other techniques. Moisture, oxygen and sulfur contents are measured on site using dedicated field instruments. Arsenic, mercury and radon are sampled by specific solid sorbents for subsequent laboratory analysis.

Attari, A.; Chao, S.

1993-09-01T23:59:59.000Z

75

Gasbuggy, New Mexico, Natural Gas and Produced Water Sampling and Analysis Results for 2011  

SciTech Connect

The U.S. Department of Energy (DOE) Office of Legacy Management conducted natural gas sampling for the Gasbuggy, New Mexico, site on June 7 and 8, 2011. Natural gas sampling consists of collecting both gas samples and samples of produced water from gas production wells. Water samples from gas production wells were analyzed for gamma-emitting radionuclides, gross alpha, gross beta, and tritium. Natural gas samples were analyzed for tritium and carbon-14. ALS Laboratory Group in Fort Collins, Colorado, analyzed water samples. Isotech Laboratories in Champaign, Illinois, analyzed natural gas samples.

None

2011-09-01T23:59:59.000Z

76

Fluid origin, gas fluxes and plumbing system in the sediment-hosted Salton Sea Geothermal System (California, USA)  

E-Print Network (OSTI)

Fluid origin, gas fluxes and plumbing system in the sediment-hosted Salton Sea Geothermal System Available online 12 June 2011 Keywords: Salton Sea Geothermal System hydrothermal seeps gas and water geochemistry flux measurements mantle The Salton Sea Geothermal System (California) is an easily accessible

Mazzini, Adriano

77

An Investigation of the Conditional Sampling Method Used to Estimate Fluxes of Active, Reactive, and Passive Scalars  

Science Conference Proceedings (OSTI)

The conditional sampling flux measurement technique was evaluated for four scalars (temperature, water vapor, ozone, and carbon dioxide) by comparison with direct eddy correlation measurements at two sites. The empirical constant ? relating the ...

Gabriel G. Katul; Peter L. Finkelstein; John F. Clarke; Thomas G. Ellestad

1996-10-01T23:59:59.000Z

78

Thermophoretic separation of aerosol particles from a sampled gas stream  

DOE Patents (OSTI)

This disclosure relates to separation of aerosol particles from gas samples withdrawn from within a contained atmosphere, such as containment vessels for nuclear reactors or other process equipment where remote gaseous sampling is required. It is specifically directed to separation of dense aerosols including particles of any size and at high mass loadings and high corrosivity. The United States Government has rights in this invention pursuant to Contract DE-AC06-76FF02170 between the US Department of Energy and Westinghouse Electric Corporation.

Postma, A.K.

1984-09-07T23:59:59.000Z

79

Flux  

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

5000 5000 6000 7000 8000 Wavelength (Angstroms) Flux (in arbitrary units) SN 1990N SN 1989B SN 1993O SN 1981B SN 1994D SN 1997ap Iron Peak Blends Ca II Si II & Co II Fe II & III Day -7 Day -5 Day -4 Day -2 ± 2 Day 0 Day +2 * -50 0 50 100 150 Observed days from peak Observed I magnitude 27 26 25 24 23 Observed R magnitude 27 26 25 24 Observed I magnitude 27 26 25 24 23 R band Ground-based I band HST I band (b) (c) (a) Pre-SN observation 3.5 4.0 4.5 5.0 5.5 log(cz) 14 16 18 20 22 24 26 effective m B 0.02 0.05 0.1 0.2 0.5 1.0 redshift z Hamuy et al (A.J. 1996) Supernova Cosmology Project 6 8 % 9 0 % 0.5 1.0 1.5 2.0 2.5 3.0 ! M Age < 9.6 Gyr (H = 50 km s -1 Mpc -1 ) No Big Bang 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -3 -2 -1 0 1 2 3 -3 -2 -1 0 1 2 3 ! " z ~ 0 . 4 z = 0 . 8 3 6 8 % 9 0 % 0.5 1.0 1.5 2.0 2.5 3.0 ! M Age < 9.6 Gyr (H=50 km/s/Mpc)

80

DUS II SOIL GAS SAMPLING AND AIR INJECTION TEST RESULTS  

Science Conference Proceedings (OSTI)

Soil vapor extraction (SVE) and air injection well testing was performed at the Dynamic Underground Stripping (DUS) site located near the M-Area Settling Basin (referred to as DUS II in this report). The objective of this testing was to determine the effectiveness of continued operation of these systems. Steam injection ended on September 19, 2009 and since this time the extraction operations have utilized residual heat that is present in the subsurface. The well testing campaign began on June 5, 2012 and was completed on June 25, 2012. Thirty-two (32) SVE wells were purged for 24 hours or longer using the active soil vapor extraction (ASVE) system at the DUS II site. During each test five or more soil gas samples were collected from each well and analyzed for target volatile organic compounds (VOCs). The DUS II site is divided into four parcels (see Figure 1) and soil gas sample results show the majority of residual VOC contamination remains in Parcel 1 with lesser amounts in the other three parcels. Several VOCs, including tetrachloroethylene (PCE) and trichloroethylene (TCE), were detected. PCE was the major VOC with lesser amounts of TCE. Most soil gas concentrations of PCE ranged from 0 to 60 ppmv with one well (VEW-22A) as high as 200 ppmv. Air sparging (AS) generally involves the injection of air into the aquifer through either vertical or horizontal wells. AS is coupled with SVE systems when contaminant recovery is necessary. While traditional air sparging (AS) is not a primary component of the DUS process, following the cessation of steam injection, eight (8) of the sixty-three (63) steam injection wells were used to inject air. These wells were previously used for hydrous pyrolysis oxidation (HPO) as part of the DUS process. Air sparging is different from the HPO operations in that the air was injected at a higher rate (20 to 50 scfm) versus HPO (1 to 2 scfm). . At the DUS II site the air injection wells were tested to determine if air sparging affected VOC soil gas concentrations during ASVE. Five (5) SVE wells that were located closest to the air injection wells were used as monitoring points during the air sparging tests. The air sparging tests lasted 48 hours. Soil gas sample results indicate that sparging did not affect VOC concentrations in four of the five sparging wells, while results from one test did show an increase in soil gas concentrations.

Noonkester, J.; Jackson, D.; Jones, W.; Hyde, W.; Kohn, J.; Walker, R.

2012-09-20T23:59:59.000Z

Note: This page contains sample records for the topic "gas flux sampling" 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

Use of a cryogenic sampler to measure radioactive gas concentrations in the main off-gas system at a high-flux isotope reactor  

Science Conference Proceedings (OSTI)

A method for measuring gamma-emitting radioactive gases in air has been developed at Oak Ridge National Laboratory (ORNL). This method combines a cryogenic air-sample collector with a high-purity germanium (HPGe) gamma spectroscopy system. This methodology was developed to overcome the inherently difficult collection and detection of radioactive noble gases. The cryogenic air-sampling system and associated HPGe detector has been used to measure the concentration of radioactive gases in the primary coolant main off-gas system at ONRL's High-Flux Isotope Reactor (HFIR). This paper provides: (1) a description of the cryogenic sampler, the radionuclide detection technique, and a discussion of the effectiveness of sampling and detection of gamma-emitting noble gases; (2) a brief description of HFIR and its associated closed high off-gas system; and (3) quantification of gamma-emitting gases present in the off-gas of the HFIR primary core coolant (e.g. radioisotopes of argon, xenon, and krypton).

Berven, B.A.; Perdue, P.T.; Kark, J.B.; Gibson, M.O.

1982-01-01T23:59:59.000Z

82

Simulation of tokamak SOL and divertor region including heat flux mitigation by gas puffing  

Science Conference Proceedings (OSTI)

Two-dimensional (2D), scrape-off layer (SOL)-divertor transport simulations are performed using the integrated plasma-neutral-impurity code KTRAN developed at Seoul National University. Firstly, the code is applied to reproduce a National Spherical Torus eXperiment (NSTX) discharge by using the prescribed transport coefficients and the boundary conditions obtained from the experiment. The plasma density, the heat flux on the divertor plate, and the D (alpha) emission rate profiles from the numerical simulation are found to follow experimental trends qualitatively. Secondly, predictive simulations are carried out for the baseline operation mode in Korea Superconducting Tokamak Advanced Research (KSTAR) to predict the heat flux on the divertor target plates. The stationary peak heat flux in the KSTAR baseline operation mode is expected to be 6.5 MW/m(2) in the case of an orthogonal divertor. To study the mitigation of the heat flux, we investigated the puffing effects of deuterium and argon gases. The puffing position is assumed to be in front of the strike point at the outer lower divertor plate. In the simulations, mitigation of the peak heat flux at the divertor target plates is found to occur when the gas puffing rate exceeds certain values, similar to 1.0 x 10(20) /s and similar to 5.0 x 10(18) /s for deuterium and argon, respectively. Multi-charged impurity transport is also investigated for both NSTX and KSTAR SOL and divertor regions.

Park, Jin Woo [Seoul National University, Seoul, S. Korea; Na, Y. S. [Seoul National University, Seoul, S. Korea; Hong, S. H. [National Fusion Research Institute, Daejon, South Korea; Ahn, J.W. [Oak Ridge National Laboratory (ORNL); Kim, D. K. [Agency Def Dev, Taejon, South Korea; Han, Hyunsun [National Fusion Research Institute, Taejon, South Korea; Shim, Seong Bo [Pusan National University, Busan, Korea; Lee, Hae June [Pusan National University, Busan, Korea

2012-01-01T23:59:59.000Z

83

DNDC: A process-based model of greenhouse gas fluxes from agricultural soils Donna L. Giltrap a,  

E-Print Network (OSTI)

DNDC: A process-based model of greenhouse gas fluxes from agricultural soils Donna L. Giltrap a complex feedbacks and interactions. Understanding the impacts of human activities on greenhouse gas to feed the Earth's increasing population. As greenhouse gas emissions from soils are the result

84

Gasbuggy, New Mexico, Hydrologic and Natural Gas Sampling and Analysis Results for 2010  

Science Conference Proceedings (OSTI)

The U.S. Department of Energy (DOE) Office of Legacy Management conducted natural gas sampling for the Gasbuggy, New Mexico, site on July 6 and 7, 2010. Additionally, a water sample was obtained at one well known as the 29-6 Water Hole, several miles west of the Gasbuggy site. Natural gas sampling consists of collecting both gas samples and samples of produced water from gas production wells. Water samples from gas production wells were analyzed for gamma-emitting radionuclides, gross alpha, gross beta, and tritium. Natural gas samples were analyzed for tritium and carbon-14. The one water well sample was analyzed for gamma-emitting radionuclides and tritium. ALS Laboratory Group in Fort Collins, Colorado, analyzed water samples. Isotech Laboratories in Champaign, Illinois, analyzed natural gas samples.

None

2010-12-01T23:59:59.000Z

85

TRU Waste Sampling Program: Volume II. Gas generation studies  

DOE Green Energy (OSTI)

Volume II of the TRU Waste Sampling Program report contains the data generated from evaluating the adequacy of venting/filtering devices for maintaining safe hydrogen levels in plutonium contaminated waste drums. Additional studies reported in this volume include gas generation rates, selected waste form monitoring, and evaluation of hydrogen migration from sealed 90-mil rigid polyethylene drum liners containing /sup 238/Pu-contaminated wastes. All wastes used in the studies were newly-generated, and the waste drums were under controlled, experimental conditions. Studies using /sup 239/Pu-contaminated wastes were conducted at the Rocky Flats Plant. Studies using /sup 238/Pu-contaminated wastes were conducted at the Los Alamos National Laboratory.

Clements, T.L. Jr.; Kudera, D.E.

1985-09-01T23:59:59.000Z

86

Comparisons of diffusive and advective fluxes of gas phase volatile organic compounds (VOCs) in unsaturated zones under natural conditions  

E-Print Network (OSTI)

is traditionally treated as the dominant mechanism of gas transport in unsaturated zones under natural conditions of the gas pressure are less than 5% [32], which is satisfied in natural attenuation. At the ground surface contri- bution of the advective flux is a more important concern in natural attenuation. According to Fig

Zhan, Hongbin

87

Greenhouse gas fluxes following tillage and wetting in a wheat-fallow cropping system  

SciTech Connect

Little is known about the relative contributions of episodic tillage and precipitation events to annual greenhouse gas emissions from soil. Consequently, the authors measured carbon dioxide (CO{sub 2}), nitrous oxide (N{sub 2}O), and methane (CH{sub 4}) fluxes from soil in a wheat-fallow cropping system in western Nebraska using vented surface chambers, before and immediately after tillage and wetting with 5.1 cm of water, during the fallow period in 1995/1996. Replicated fallow management treatments included no-tillage, subtillage, and plow representing a wide range in degree of soil disturbance. Soil bulk density, water-filled pore space, electrical conductivity (EC{sub 1:1}), nitrate (NO{sub 3}), and pH within the top 30.5 cm soil, and soil temperature at 0 to 7.6 cm were measured to assess their correlation with variations in gas flux and tillage and wetting. Atmospheric concentrations above the soil (at {approximately} 40 cm) increased by 15% for CO{sub 2} and 9 to 31% for N{sub 2}O and 6 to 16% for CH{sub 4} within 1 min after tillage and returned to background concentrations within 2 h. Except immediately after tillage, net CH{sub 4} flux was negative, from the atmosphere into soil, and is referred to as CH{sub 4} uptake. Overall, increases (1.5--4-fold) in CO{sub 2} and N{sub 2}O losses from soil, and CH{sub 4} uptake by soil were short lived and returned to background levels within 8 to 24 h after tillage. Losses of CO{sub 2} and N{sub 2}O increased to 1.7 and 5 times background emissions, respectively, for 24 h following wetting, while CH{sub 4} uptake declined by about 60% for 3 to 14 d after wetting. Water-filled pore space in the surface soil fell below 60% within 24 h after saturation and exhibited an inverse relationship (R{sup 2} = 0.66) with CH{sub 4} uptake. A significant decline in soil NO{sub 3} and EC{sub 1:1} in the top 7.6 cm occurred following wetting. Under the experimental conditions, and the expected frequency of tillage and wetting events, failure to include these short-lived episodic gas pulses in annual flux estimations may underestimate annual CO{sub 2} and N{sub 2}O loss up to 13 and 24%, respectively, and overestimate CH{sub 4} uptake by up to 18% in this cropping system.

Kessavalou, A.; Drijber, R.A. [Univ. of Nebraska, Lincoln, NE (United States). Dept. of Agronomy; Doran, J.W. [Dept. of Agriculture, Lincoln, NE (United States)]|[Univ. of Nebraska, Lincoln, NE (United States); Mosier, A.R. [Dept. of Agriculture, Fort Collins, CO (United States)

1998-09-01T23:59:59.000Z

88

Gasbuggy, New Mexico, Hydrologic and Natural Gas Sampling and Analysis Results for 2009  

Science Conference Proceedings (OSTI)

The U.S. Department of Energy (DOE) Office of Legacy Management conducted hydrologic and natural gas sampling for the Gasbuggy, New Mexico, site on June 16, and 17, 2009. Hydrologic sampling consists of collecting water samples from water wells and surface water locations. Natural gas sampling consists of collecting both gas samples and samples of produced water from gas production wells. The water well samples were analyzed for gamma-emitting radionuclides and tritium. Surface water samples were analyzed for tritium. Water samples from gas production wells were analyzed for gamma-emitting radionuclides, gross alpha, gross beta, and tritium. Natural gas samples were analyzed for tritium and carbon-14. Water samples were analyzed by ALS Laboratory Group in Fort Collins, Colorado, and natural gas samples were analyzed by Isotech Laboratories in Champaign, Illinois. Concentrations of tritium and gamma-emitting radionuclides in water samples collected in the vicinity of the Gasbuggy site continue to demonstrate that the sample locations have not been impacted by detonation-related contaminants. Results from the sampling of natural gas from producing wells demonstrate that the gas wells nearest the Gasbuggy site are not currently impacted by detonation-related contaminants. Annual sampling of the gas production wells nearest the Gasbuggy site for gas and produced water will continue for the foreseeable future. The sampling frequency of water wells and surface water sources in the surrounding area will be reduced to once every 5 years. The next hydrologic sampling event at water wells, springs, and ponds will be in 2014.

None

2009-11-01T23:59:59.000Z

89

Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Goff & Janik,  

Open Energy Info (EERE)

Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Goff & Janik, Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Goff & Janik, 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Goff & Janik, 2002) Exploration Activity Details Location Fenton Hill Hdr Geothermal Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from HDR well References Fraser Goff, Cathy J. Janik (2002) Gas Geochemistry Of The Valles Caldera Region, New Mexico And Comparisons With Gases At Yellowstone, Long Valley And Other Geothermal Systems Retrieved from "http://en.openei.org/w/index.php?title=Surface_Gas_Sampling_At_Fenton_Hill_Hdr_Geothermal_Area_(Goff_%26_Janik,_2002)&oldid=689255"

90

Surface Gas Sampling At Valles Caldera - Sulphur Springs Area (Goff &  

Open Energy Info (EERE)

Surface Gas Sampling At Valles Caldera - Sulphur Springs Area (Goff & Surface Gas Sampling At Valles Caldera - Sulphur Springs Area (Goff & Janik, 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Valles Caldera - Sulphur Springs Area (Goff & Janik, 2002) Exploration Activity Details Location Valles Caldera - Sulphur Springs Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from fumaroles, springs, and/or wells. References Fraser Goff, Cathy J. Janik (2002) Gas Geochemistry Of The Valles Caldera Region, New Mexico And Comparisons With Gases At Yellowstone, Long Valley And Other Geothermal Systems Retrieved from "http://en.openei.org/w/index.php?title=Surface_Gas_Sampling_At_Valles_Caldera_-_Sulphur_Springs_Area_(Goff_%26_Janik,_2002)&oldid=689392

91

Water-Gas Samples At Lightning Dock Area (Norman & Moore, 2004...  

Open Energy Info (EERE)

Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water-Gas Samples At Lightning Dock Area (Norman & Moore, 2004) Exploration Activity Details...

92

Gas Sampling At Rye Patch Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

Search Page Edit History Facebook icon Twitter icon Gas Sampling At Rye Patch Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

93

Water-Gas Samples At Black Warrior Area (DOE GTP) | Open Energy...  

Open Energy Info (EERE)

GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water-Gas Samples At Black Warrior Area (DOE GTP) Exploration Activity Details Location...

94

Water-Gas Samples At Colrado Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water-Gas Samples At Colrado Area (DOE GTP) Exploration Activity Details Location Colado...

95

Water-Gas Samples At Wister Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon Water-Gas Samples At Wister Area (DOE GTP) Jump to: navigation, search GEOTHERMAL...

96

Water-Gas Samples At Gabbs Valley Area (DOE GTP) | Open Energy...  

Open Energy Info (EERE)

GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water-Gas Samples At Gabbs Valley Area (DOE GTP) Exploration Activity Details Location Gabbs...

97

Water-Gas Samples At Glass Buttes Area (DOE GTP) | Open Energy...  

Open Energy Info (EERE)

GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water-Gas Samples At Glass Buttes Area (DOE GTP) Exploration Activity Details Location Glass...

98

Gas Sampling At Gabbs Valley Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit History Facebook icon Twitter icon » Gas Sampling At Gabbs Valley Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Sampling At Gabbs Valley Area (DOE GTP) Exploration Activity Details Location Gabbs Valley Area Exploration Technique Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References (1 January 2011) GTP ARRA Spreadsheet Retrieved from "http://en.openei.org/w/index.php?title=Gas_Sampling_At_Gabbs_Valley_Area_(DOE_GTP)&oldid=689423" Categories: Exploration Activities DOE Funded Activities ARRA Funded Activities What links here Related changes Special pages Printable version Permanent link Browse properties 429 Throttled (bot load) Error 429 Throttled (bot load)

99

Water-Gas Samples At International Geothermal Area, Mexico (Norman...  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind Page Actions View source History View New Pages Recent Changes All Special Pages...

100

Guidelines for Flue Gas Desulfurization (FGD) Water Sampling and Analysis  

Science Conference Proceedings (OSTI)

Flue gas desulfurization (FGD) scrubbers are being installed on coal-fired power plants in response to federal and state air pollution regulations limiting sulfur dioxide emissions. FGD scrubbers produce an aqueous waste stream that contains metals adsorbed from flue gas. At the same time, the U.S. Environmental Protection Agency (EPA) is reviewing, and may tighten, water discharge limits on trace metals. Collection of accurate data on the trace metal composition of FGD water discharges is therefore esse...

2009-03-27T23:59:59.000Z

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


101

Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Goff & Janik,  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Goff & Janik, 2002) (Redirected from Water-Gas Samples At Fenton Hill Hdr Geothermal Area (Goff & Janik, 2002)) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Goff & Janik, 2002) Exploration Activity Details Location Fenton Hill Hdr Geothermal Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from HDR well References Fraser Goff, Cathy J. Janik (2002) Gas Geochemistry Of The Valles

102

Surface Gas Sampling At Jemez Springs Area (Goff & Janik, 2002) | Open  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Jemez Springs Area (Goff & Janik, 2002) (Redirected from Water-Gas Samples At Jemez Springs Area (Goff & Janik, 2002)) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Jemez Springs Area (Goff & Janik, 2002) Exploration Activity Details Location Jemez Springs Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from fumaroles, springs, and/or wells. References Fraser Goff, Cathy J. Janik (2002) Gas Geochemistry Of The Valles

103

Surface Gas Sampling At Yellowstone Region (Goff & Janik, 2002) | Open  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Yellowstone Region (Goff & Janik, 2002) (Redirected from Water-Gas Samples At Yellowstone Region (Goff & Janik, 2002)) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Yellowstone Region (Goff & Janik, 2002) Exploration Activity Details Location Yellowstone Caldera Geothermal Region Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from fumaroles, springs, and/or wells. References Fraser Goff, Cathy J. Janik (2002) Gas Geochemistry Of The Valles

104

Surface Gas Sampling At Valles Caldera - Redondo Area (Goff & Janik, 2002)  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Valles Caldera - Redondo Area (Goff & Janik, 2002) (Redirected from Water-Gas Samples At Valles Caldera - Redondo Area (Goff & Janik, 2002)) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Valles Caldera - Redondo Area (Goff & Janik, 2002) Exploration Activity Details Location Valles Caldera - Redondo Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from fumaroles, springs, and/or wells. References Fraser Goff, Cathy J. Janik (2002) Gas Geochemistry Of The Valles

105

Landfill gas emission prediction using Voronoi diagrams and importance sampling  

Science Conference Proceedings (OSTI)

Municipal solid waste (MSW) landfills are among the nation's largest emitters of methane, a key greenhouse gas, and there is considerable interest in quantifying the surficial methane emissions from landfills. There are limitations in obtaining accurate ... Keywords: Air dispersion modeling, Delaunay tessellation, Kriging, Least squares, MSW landfill, Voronoi diagram

K. R. Mackie; C. D. Cooper

2009-10-01T23:59:59.000Z

106

Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Grigsby, Et Al.,  

Open Energy Info (EERE)

Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Grigsby, Et Al., Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Grigsby, Et Al., 1983) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Grigsby, Et Al., 1983) Exploration Activity Details Location Fenton Hill Hdr Geothermal Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References C. O. Grigsby, J. W. Tester, P. E. Trujillo, D. A. Counce, J. Abbott, C. E. Holley, L. A. Blatz (1983) Rock-Water Interactions In Hot Dry Rock Geothermal Systems- Field Investigations Of In Situ Geochemical Behavior Retrieved from "http://en.openei.org/w/index.php?title=Surface_Gas_Sampling_At_Fenton_Hill_Hdr_Geothermal_Area_(Grigsby,_Et_Al.,_1983)&oldid=689258

107

Surface Gas Sampling At Long Valley Caldera Area (Goff & Janik, 2002) |  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Long Valley Caldera Area (Goff & Janik, 2002) (Redirected from Water-Gas Samples At Long Valley Caldera Area (Goff & Janik, 2002)) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Long Valley Caldera Area (Goff & Janik, 2002) Exploration Activity Details Location Long Valley Caldera Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from fumaroles, springs, and/or wells. At shallow depths in the caldera

108

Gas Sampling At Rye Patch Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Gas Sampling At Rye Patch Area (DOE GTP) (Redirected from Water-Gas Samples At Rye Patch Area (DOE GTP)) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Sampling At Rye Patch Area (DOE GTP) Exploration Activity Details Location Rye Patch Area Exploration Technique Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References (1 January 2011) GTP ARRA Spreadsheet Retrieved from "http://en.openei.org/w/index.php?title=Gas_Sampling_At_Rye_Patch_Area_(DOE_GTP)&oldid=689417" Categories: Exploration Activities

109

Surface Gas Sampling At Valles Caldera - Sulphur Springs Area (Goff &  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Valles Caldera - Sulphur Springs Area (Goff & Janik, 2002) (Redirected from Water-Gas Samples At Valles Caldera - Sulphur Springs Area (Goff & Janik, 2002)) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Valles Caldera - Sulphur Springs Area (Goff & Janik, 2002) Exploration Activity Details Location Valles Caldera - Sulphur Springs Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from fumaroles, springs, and/or wells.

110

A FLUX-LIMITED SAMPLE OF z {approx} 1 Ly{alpha} EMITTING GALAXIES IN THE CHANDRA DEEP FIELD SOUTH ,  

Science Conference Proceedings (OSTI)

We describe a method for obtaining a flux-limited sample of Ly{alpha} emitters from Galaxy Evolution Explorer (GALEX) grism data. We show that the multiple GALEX grism images can be converted into a three-dimensional (two spatial axes and one wavelength axis) data cube. The wavelength slices may then be treated as narrowband images and searched for emission-line galaxies. For the GALEX NUV grism data, the method provides a Ly{alpha} flux-limited sample over the redshift range z = 0.67-1.16. We test the method on the Chandra Deep Field South field, where we find 28 Ly{alpha} emitters with faint continuum magnitudes (NUV > 22) that are not present in the GALEX pipeline sample. We measure the completeness by adding artificial emitters and measuring the fraction recovered. We find that we have an 80% completeness above a Ly{alpha} flux of 10{sup -15} erg cm{sup -2} s{sup -1}. We use the UV spectra and the available X-ray data and optical spectra to estimate the fraction of active galactic nuclei in the selection. We report the first detection of a giant Ly{alpha} blob at z < 1, though we find that these objects are much less common at z = 1 than at z = 3. Finally, we compute limits on the z {approx} 1 Ly{alpha} luminosity function and confirm that there is a dramatic evolution in the luminosity function over the redshift range z = 0-1.

Barger, A. J.; Wold, I. G. B. [Department of Astronomy, University of Wisconsin-Madison, 475 North Charter Street, Madison, WI 53706 (United States); Cowie, L. L. [Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822 (United States)

2012-04-20T23:59:59.000Z

111

Surface Gas Sampling At Long Valley Caldera Area (Goff & Janik, 2002) |  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Long Valley Caldera Area (Goff & Janik, 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Long Valley Caldera Area (Goff & Janik, 2002) Exploration Activity Details Location Long Valley Caldera Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from fumaroles, springs, and/or wells. At shallow depths in the caldera References Fraser Goff, Cathy J. Janik (2002) Gas Geochemistry Of The Valles Caldera Region, New Mexico And Comparisons With Gases At Yellowstone, Long

112

Surface Gas Sampling At Lightning Dock Area (Norman & Moore, 2004) | Open  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Lightning Dock Area (Norman & Moore, 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Lightning Dock Area (Norman & Moore, 2004) Exploration Activity Details Location Lightning Dock Area Exploration Technique Surface Gas Sampling Activity Date Usefulness useful DOE-funding Unknown References David I. Norman, Joseph Moore (2004) Gas Analysis Of Geothermal Fluid Inclusions- A New Technology For Geothermal Exploration Retrieved from "http://en.openei.org/w/index.php?title=Surface_Gas_Sampling_At_Lightning_Dock_Area_(Norman_%26_Moore,_2004)&oldid=689367"

113

Surface Gas Sampling At Jemez Springs Area (Goff & Janik, 2002) | Open  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Jemez Springs Area (Goff & Janik, 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Jemez Springs Area (Goff & Janik, 2002) Exploration Activity Details Location Jemez Springs Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from fumaroles, springs, and/or wells. References Fraser Goff, Cathy J. Janik (2002) Gas Geochemistry Of The Valles Caldera Region, New Mexico And Comparisons With Gases At Yellowstone, Long

114

Surface Gas Sampling At Valles Caldera - Redondo Area (Goff & Janik, 2002)  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Valles Caldera - Redondo Area (Goff & Janik, 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Valles Caldera - Redondo Area (Goff & Janik, 2002) Exploration Activity Details Location Valles Caldera - Redondo Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from fumaroles, springs, and/or wells. References Fraser Goff, Cathy J. Janik (2002) Gas Geochemistry Of The Valles Caldera Region, New Mexico And Comparisons With Gases At Yellowstone, Long

115

Surface Gas Sampling At Yellowstone Region (Goff & Janik, 2002) | Open  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Yellowstone Region (Goff & Janik, 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Yellowstone Region (Goff & Janik, 2002) Exploration Activity Details Location Yellowstone Caldera Geothermal Region Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes Gas samples from fumaroles, springs, and/or wells. References Fraser Goff, Cathy J. Janik (2002) Gas Geochemistry Of The Valles Caldera Region, New Mexico And Comparisons With Gases At Yellowstone, Long

116

June 2011 Natural Gas and Produced Water Sampling at the Gasbuggy, New Mexico, Site  

SciTech Connect

Annual natural gas and produced water monitoring was conducted for gas wells adjacent to Section 36, where the Gasbuggy test was conducted, in accordance with the draft Long-Term Surveillance and Maintenance Plan for the Gasbuggy Site, Rio Arriba County, New Mexico. Sampling and analysis were conducted as specified in the Sampling and Analysis Plan for U.S. Department of Energy Office of Legacy Management Sites (LMS/PLN/S04351, continually updated). Natural gas samples were collected for tritium and carbon-14 analyses. Produced water samples were collected and analyzed for tritium, gamma-emitting radionuclides (by high-resolution gamma spectrometry), gross alpha, and gross beta. A duplicate produced water sample was collected from well 30-039-21743. Produced water samples were not collected at locations 30-039-30161 and 30-039-21744 because of the lack of water. Samples were not collected from location 30-039-29988 because the well was shut-in.

None

2011-10-01T23:59:59.000Z

117

Estimation of the Impact of Sampling Errors in the VOS Observations on AirSea Fluxes. Part II: Impact on Trends and Interannual Variability  

Science Conference Proceedings (OSTI)

Using the same approach as in Part I, here it is shown how sampling problems in voluntary observing ship (VOS) data affect conclusions about interannual variations and secular changes of surface heat fluxes. The largest uncertainties in linear ...

Sergey Gulev; Thomas Jung; Eberhard Ruprecht

2007-01-01T23:59:59.000Z

118

Surface Gas Sampling At Lassen Volcanic National Park Area (Janik &  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Lassen Volcanic National Park Area (Janik & Mclaren, 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Lassen Volcanic National Park Area (Janik & Mclaren, 2010) Exploration Activity Details Location Lassen Volcanic National Park Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References Cathy J. Janik, Marcia K. McLaren (2010) Seismicity And Fluid Geochemistry At Lassen Volcanic National Park, California- Evidence For Two

119

Variability of Gas Composition and Flux Intensity in Natural Marine Hydrocarbon Seeps  

E-Print Network (OSTI)

2 Methane Ethane Propane Butane nd nd nd nd October 4, 2004methane, ethane, propane, and butane. Methods The flux buoyfor methane, ethane, propane, butane, oxygen, nitrogen, and

Clark, J F; Schwager, Katherine; Washburn, Libe

2005-01-01T23:59:59.000Z

120

Surface Gas Sampling At Lightning Dock Area (Norman, Et Al., 2002) | Open  

Open Energy Info (EERE)

Surface Gas Sampling At Lightning Dock Area (Norman, Et Al., 2002) Surface Gas Sampling At Lightning Dock Area (Norman, Et Al., 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Lightning Dock Area (Norman, Et Al., 2002) Exploration Activity Details Location Lightning Dock Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown Notes The Lightning Dock, Animas Valley, New Mexico geothermal area was discovered when a rancher found boiling water while drilling a shallow stock tank welt (Elston, Deal, et. al, 1983). There are no surface manifestations of present or past geothermal activity in the Animas Valley. Norman and Bernhart (1982) analyzed the gases in the discovery well and 15 stock tank wells nearby (Figure 1).

Note: This page contains sample records for the topic "gas flux sampling" 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

Gas Sampling At Black Warrior Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Gas Sampling At Black Warrior Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Sampling At Black Warrior Area (DOE GTP) Exploration Activity Details Location Black Warrior Area Exploration Technique Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References (1 January 2011) GTP ARRA Spreadsheet Retrieved from "http://en.openei.org/w/index.php?title=Gas_Sampling_At_Black_Warrior_Area_(DOE_GTP)&oldid=689412" Categories: Exploration Activities DOE Funded Activities ARRA Funded Activities

122

Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Grigsby, Et Al.,  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Grigsby, Et Al., 1983) (Redirected from Water-Gas Samples At Fenton Hill Hdr Geothermal Area (Grigsby, Et Al., 1983)) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Fenton Hill Hdr Geothermal Area (Grigsby, Et Al., 1983) Exploration Activity Details Location Fenton Hill Hdr Geothermal Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References C. O. Grigsby, J. W. Tester, P. E. Trujillo, D. A. Counce, J.

123

Gas Sampling At Glass Buttes Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Gas Sampling At Glass Buttes Area (DOE GTP) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Sampling At Glass Buttes Area (DOE GTP) Exploration Activity Details Location Glass Buttes Area Exploration Technique Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References (1 January 2011) GTP ARRA Spreadsheet Retrieved from "http://en.openei.org/w/index.php?title=Gas_Sampling_At_Glass_Buttes_Area_(DOE_GTP)&oldid=689421" Categories: Exploration Activities DOE Funded Activities ARRA Funded Activities

124

Surface Gas Sampling At Lassen Volcanic National Park Area (Janik &  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling At Lassen Volcanic National Park Area (Janik & Mclaren, 2010) (Redirected from Water-Gas Samples At Lassen Volcanic National Park Area (Janik & Mclaren, 2010)) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling At Lassen Volcanic National Park Area (Janik & Mclaren, 2010) Exploration Activity Details Location Lassen Volcanic National Park Area Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References Cathy J. Janik, Marcia K. McLaren (2010) Seismicity And Fluid

125

Failsafe flux limiting and constrained data projections for equations of gas dynamics  

Science Conference Proceedings (OSTI)

A new approach to flux limiting for systems of conservation laws is presented. The Galerkin finite element discretization/L^2 projection is equipped with a failsafe mechanism that prevents the birth and growth of spurious local extrema. Within the framework ... Keywords: Finite elements, Flux-corrected transport, Local extremum diminishing interpolation, Maximum principle, Systems of conservation laws

Dmitri Kuzmin; Matthias Mller; John N. Shadid; Mikhail Shashkov

2010-11-01T23:59:59.000Z

126

Data quality objectives for gas and liquid samples from sealed K West basin canisters (second campaign)  

SciTech Connect

Data Quality Objectives (DQOs) for gas and liquid sampling from the sealed canisters in K West Basin have been developed and are presented in this document. This sampling campaign supports the selection of canisters to provide fuel for hot cell examinations and provides an assessment of gas/liquid chemistry for comparison to the results of fuel element hot cell examinations. It also provides information applicable to water cleanup and air permits for the fuel handling associated with moving fuel to dry storage.

Makenas, B.J., Westinghouse Hanford

1996-07-01T23:59:59.000Z

127

Sampling and Analysis Procedures for Gas, Condensate, Brine, and Solids: Pleasant Bayou Well Test, 1988-Present  

Science Conference Proceedings (OSTI)

This section covers analyses performed on gas. Chemical analyses can only be related to well performance if the quantity of the various fluids are known. The IGT on-line data computer system measures the flowrate, the pressures, and the temperatures every 10 seconds. These values are automatically recorded over operator selected intervals both on magnetic media and on paper. This allows review of samples versus operating conditions. This paper covers analyses performed on gas, including: An approximate sampling schedule during flow tests; On-site sample handling and storage of gas samples; Addresses of laboratories that perform off site analyses; Sample shipping instructions; Data archiving; and Quality Control/Quality Assurance. It is expected that the above procedures will change as the flow test progresses, but deviations from the written procedures should be approved by C. Hayden of IGT and noted on the results of the analysis.

Hayden, Chris

1988-01-01T23:59:59.000Z

128

Engineering study - alternatives for SHMS high temperature/moisture gas sample conditioners for the aging waste facility  

SciTech Connect

The Standard Hydrogen Monitoring Systems have been experiencing high temperature/moisture problems with gas samples from the Aging Waste Tanks. These moist hot gas samples have stopped the operation of the SHMS units on tanks AZ-101, AZ-102, and AY-102. This study looks at alternatives for gas sample conditioners for the Aging Waste Facility.

THOMPSON, J.F.

1999-06-02T23:59:59.000Z

129

Estimation of methane flux offshore SW Taiwan and the influence of tectonics on gas hydrate accumulation  

E-Print Network (OSTI)

­510 INTRODUCTION Gas hydrates are naturally occurring solids, nonstoichio- metric clathrates, stable at relatively and in sedimentary strata of continen- tal deep sea areas and are typically composed of natural gas, mainly methane have suggested that methane concentra- tions play an important role in gas hydrate investigations. Very

Lin, Andrew Tien-Shun

130

DEVELOPMENT AND FIELD IMPLEMENTATION OF AN IMPROVED METHOD FOR HEADSPACE GAS SAMPLING OF TRANSURANIC WASTE DRUMS  

Science Conference Proceedings (OSTI)

A fast, safe, and cost-effective method for obtaining headspace gas samples has been developed and implemented at Los Alamos National Laboratory (LANL). A sample port is installed directly into a drum lid using a pneumatic driver, allowing sampling with a side-port needle. Testing has shown that the sample port can be installed with no release of radioactive material. Use of this system at LANL has significantly reduced the time required for sampling, and eliminates the need for many safety precautions previously used. The system has significantly improved productivity and lowered radiation exposure and cost.

Polley, M.; Ankrom, J.; Wickland, T.; Warren, J.

2003-02-27T23:59:59.000Z

131

Data quality objectives for gas and liquid samples from sealed K Basin canisters  

Science Conference Proceedings (OSTI)

Data Quality Objectives (DQOS) for gas and liquid sampling from the sealed canisters in K West Basin have been developed and are presented in this document. The scope of this document is limited primarily to the initial sampling effort. This sampling campaign either supports the selection of canisters to provide fuel for hotcell examinations, supports the demonstration of sampling equipment capabilities or provides an initial assessment of gas/liquid chemistry for comparison to the results of fuel element hotcell examinations. No sampling of canisters has occurred since 1983. It is proposed here that samples of gas and water be analyzed for constituents such as cesium, fission gases, and hydrogen which are markers for corrosion of uranium in a water environment. These data will allow an assessment of the risks involved when particular canisters are opened to retrieve fuel. This sampling campaign will also ensure that canisters with some failed fuel elements are included in the population that is opened for retrieval of fuel for hotcell examinations. Additionally, valuable correlations between the macroscopic visible condition of fuel, hotcell examinations, and the gases generated in canisters will be possible. The analysis of other chemical species in the gas and liquid will allow assessments of the performance of the previously added corrosion inhibitor and possibly assessments of radiolysis. Sampling of canisters will be performed with equipment that opens the valves in the canister lid and draws a 15 ml sample of either gas or water. This work will most likely be performed in one of the pits-associated with the K West Basin.

Makenas, B.J.

1995-03-01T23:59:59.000Z

132

Neutron flux measurements in the side-core region of Hunterston B advanced gas-cooled reactor  

Science Conference Proceedings (OSTI)

The core restraints of advanced gas-cooled reactors are important structural components that are required to maintain the geometric integrity of the cores. A review of neutron dosimetry for the sister stations Hunterston B and Hinkley Point B identified that earlier conservative assessments predicted high thermal neutron dose rates to key components of the restraint structure (the restraint rod welds), with the implication that some of them may be predicted to fail during a seismic event. A revised assessment was therefore undertaken [Thornton, D. A., Allen, D. A., Tyrrell, R. J., Meese, T. C., Huggon, A.P., Whiley, G. S., and Mossop, J. R., 'A Dosimetry Assessment for the Core Restraint of an Advanced Gas Cooled Reactor,' Proceedings of the 13. International Symposium on Reactor Dosimetry (ISRD-13, May 2008), World Scientific, River Edge, NJ, 2009, W. Voorbraak, L. Debarberis, and P. D'hondt, Eds., pp. 679-687] using a detailed 3D model and a Monte Carlo radiation transport program, MCBEND. This reassessment resulted in more realistic fast and thermal neutron dose recommendations, the latter in particular being much lower than had been thought previously. It is now desirable to improve confidence in these predictions by providing direct validation of the MCBEND model through the use of neutron flux measurements. This paper describes the programme of work being undertaken to deploy two neutron flux measurement 'stringers' within the side-core region of one of the Hunterston B reactors for the purpose of validating the MCBEND model. The design of the stringers and the determination of the preferred deployment locations have been informed by the use of detailed MCBEND flux calculations. These computational studies represent a rare opportunity to design a flux measurement beforehand, with the clear intention of minimising the anticipated uncertainties and obtaining measurements that are known to be representative of the neutron fields to which the vulnerable steel restraint components are exposed. (authors)

Allen, D.A. [Serco, Rutherford House, Quedgeley, Gloucester, GL2 4NF (United Kingdom); Shaw, S.E. [British Energy, Barnett Way, Barnwood, Gloucester, GL4 3RS (United Kingdom); Huggon, A.P.; Steadman, R.J.; Thornton, D.A. [Serco, Rutherford House, Quedgeley, Gloucester, GL2 4NF (United Kingdom); Whiley, G.S. [British Energy, Barnett Way, Barnwood, Gloucester, GL4 3RS (United Kingdom)

2011-07-01T23:59:59.000Z

133

Prediction of gas pressurization and hydrogen generation for shipping hazard analysis : Six unstabilized PU 02 samples  

DOE Green Energy (OSTI)

Radiolysis of water to form hydrogen gas is a safety concern for safe storage and transport of plutonium-bearing materials. Hydrogen gas is considered a safety hazard if its concentration in the container exceeds five percent hydrogen by volume, DOE Docket No. 00-1 1-9965. Unfortunately, water cannot be entirely avoided in a processing environment and these samples contain a range of water inherently. Thermodynamic, chemical, and radiolysis modeling was used to predict gas generation and changes in gas composition as a function of time within sealed containers containing plutonium bearing materials. The results are used in support of safety analysis for shipping six unstabilized (i.e. uncalcined) samples from Rocky Flats Environmental Technology Sits (RFETS) to the Material Identification and Surveillance (MIS) program at Los Alamos National Lab (LANL). The intent of this work is to establish a time window in which safe shipping can occur.

Moody, E. W. (Eddie W.); Veirs, D. K. (Douglas Kirk); Lyman, J. L. (John L.)

2001-01-01T23:59:59.000Z

134

Dissolved Gas Analysis (DGA) by EPRI Disposable Oil Sampling System (EDOSS)  

Science Conference Proceedings (OSTI)

The utility industry has increasingly applied dissolved gas analysis (DGA) to assess the condition of fluid-filled equipment. Modifications to the EPRI Pressurized Oil Sampling System (EPOSS), a novel DGA method developed in 1983, have rendered the system more cost-effective without compromising its accuracy and precision. Designated the EPRI Disposable Oil Sampling System, EDOSS safely operates with all types of fluid-filled equipment under most weather conditions.

1998-10-12T23:59:59.000Z

135

Estimation of the Impact of Sampling Errors in the VOS Observations on AirSea Fluxes. Part I: Uncertainties in Climate Means  

Science Conference Proceedings (OSTI)

Sampling uncertainties in the voluntary observing ship (VOS)-based global oceanatmosphere flux fields were estimated using the NCEPNCAR reanalysis and ECMWF 40-yr Re-Analysis (ERA-40) as well as seasonal forecasts without data assimilation. Air...

Sergey Gulev; Thomas Jung; Eberhard Ruprecht

2007-01-01T23:59:59.000Z

136

Waste drum gas generation sampling program at Rocky Flats during FY 1988  

DOE Green Energy (OSTI)

Rocky Flats Plant Transuranic Waste Drums were sampled for gas composition. Combustibles, plastics, Raschig rings, solidified organic sludge, and solidified inorganic sludge transuranic waste forms were sampled. Plastic bag material and waste samples were also taken from some solidified sludge waste drums. A vacuum system was used to sample each layer of containment inside a waste drum, including individual waste bags. G values (gas generation) were calculated for the waste drums. Analytical results indicate that very low concentrations of potentially flammable or corrosive gas mixtures will be found in vented drums. G(H{sub 2}) was usually below 1.6, while G(Total) was below 4.0. Hydrogen permeability tests on different types of plastic waste bags used at Rocky Flats were also conducted. Polyvinylchloride was slightly more permeable to hydrogen than polyethylene for new or creased material. Permeability of aged material to hydrogen was slightly higher than for new material. Solidified organic and inorganic sludges were sampled for volatile organics. The analytical results from two drums of solidified organic sludges showed concentrations were above detection limits for four of the 36 volatile organics analyzed. The analytical results for four of the five solidified inorganic sludges show that concentrations were below detection limits for all volatile organics analyzed. 3 refs., 5 figs., 2 tabs.

Roggenthen, D.K.; McFeeters, T.L.; Nieweg, R.G.

1991-02-11T23:59:59.000Z

137

Development of a GasLiquid Equilibrator for Estimating CO2 Flux at the Ocean Surface  

Science Conference Proceedings (OSTI)

A system for measuring partial pressure of CO2 in seawater (pCO2) has been developed as a part of a missing-sink elucidation study. The most important part of this system is the multistage bubbling gasliquid equilibrator. This equilibrator has ...

Hiroyuki Katayama; Takashi Karasudani; Koji Ishii; Kenji Marubayashi; Hiromasa Ueda

1999-10-01T23:59:59.000Z

138

Method and apparatus for transport, introduction, atomization and excitation of emission spectrum for quantitative analysis of high temperature gas sample streams containing vapor and particulates without degradation of sample stream temperature  

DOE Patents (OSTI)

A sample transport, sample introduction, and flame excitation system for spectrometric analysis of high temperature gas streams which eliminates degradation of the sample stream by condensation losses.

Eckels, David E. (Ankeny, IA); Hass, William J. (Ames, IA)

1989-05-30T23:59:59.000Z

139

Reconnaissance for mercury over geothermal areas of the Imperial Valley, California. [Analysis of samples of soil gas and gas from drill holes  

DOE Green Energy (OSTI)

Nine samples of soil gas and gas from drill holes were collected over and near two geothermal anomalies in the Imperial Valley, California, to measure the possible presence of mercury. With the instrumentation used, the smallest quantity of mercury that could be detected was 2 nanograms. No mercury was detected in any sample.

Hinkle, M.E.; Vaughn, W.W.

1973-01-01T23:59:59.000Z

140

Water-Gas Samples At Lightning Dock Area (Norman, Et Al., 2002) | Open  

Open Energy Info (EERE)

2002) 2002) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water-Gas Samples At Lightning Dock Area (Norman, Et Al., 2002) Exploration Activity Details Location Lightning Dock Area Exploration Technique Water-Gas Samples Activity Date Usefulness not indicated DOE-funding Unknown Notes The Lightning Dock, Animas Valley, New Mexico geothermal area was discovered when a rancher found boiling water while drilling a shallow stock tank welt (Elston, Deal, et. al, 1983). There are no surface manifestations of present or past geothermal activity in the Animas Valley. Norman and Bernhart (1982) analyzed the gases in the discovery well and 15 stock tank wells nearby (Figure 1). References David Norman, Nigel Blarney, Lynne Kurilovitch (2002) New

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141

CHARACTERIZATION OF DWPF MELTER OFF-GAS QUENCHER AND STEAM ATOMIZED SCRUBBER DEPOSIT SAMPLES  

SciTech Connect

This report summarizes the results from the characterization of deposits from the inlets of the primary off-gas Quencher and Steam Atomized Scrubber (SAS) in the Defense Waste Processing Facility (DWPF), as requested by a technical assistance request. DWPF requested elemental analysis and compound identification to help determine the potential causes for the substance formation. This information will be fed into Savannah River National Laboratory modeling programs to determine if there is a way to decrease the formation of the deposits. The general approach to the characterization of these samples included x-ray diffraction (XRD), scanning electron microscopy (SEM), and chemical analysis. The following conclusions are drawn from the analytical results found in this report: (1) The deposits are not high level waste glass from the DWPF melt pool based on comparison of the compositions of deposits to the composition of a sample of glass taken from the pour stream of the melter during processing of Sludge Batch 3. (2) Chemical composition results suggest that the deposits are probably a combination of sludge and frit particles entrained in the off-gas. (3) Gamma emitters, such as Co-60, Cs-137, Eu-154, Am-241, and Am-243 were detected in both the Quencher and SAS samples with Cs-137 having the highest concentration of the gamma emitters. (4) No evidence existed for accumulation of fissile material (U-233, U-235, and Pu-239) relative to Fe in either deposit. (5) XRD results indicated both samples were primarily amorphorous and contained some crystals of the iron oxides, hematite and magnetite (Fe{sub 2}O{sub 3} and Fe(Fe{sub 2}O{sub 4})), along with sodium nitrate (NaNO{sub 3}). The other main crystalline compound in the SAS deposit was mercurous chloride. The main crystalline compound in the Quencher deposit was a uranium oxide compound. These are all sludge components. (6) SEM analysis of the Quencher deposit revealed crystalline uranium compounds within the sample. SEM analysis of the SAS sample could not be performed due to the presence of a significant concentration of Hg in the sample. (7) Essentially all the Na and the S in the off-gas samples were soluble in water. (8) The main soluble anion was NO{sub 3}{sup -} with SO{sub 4}{sup 2-} being second. (9) In contrast to the results for the off-gas deposits analyzed in 2003, soluble compounds of fluoride and chloride were detected; however, their concentrations in the Quencher and SAS deposits were less than one weight percent. (10) The results suggest that the S is primarily in the deposits as the sulfate anion.

Zeigler, K; Ned Bibler, N

2007-06-06T23:59:59.000Z

142

Vapor and gas sampling of Single-Shell Tank 241-A-101 using the Vapor Sampling System  

Science Conference Proceedings (OSTI)

This document presents sampling data resulting from the June 8, 1995, sampling of SST 241-A-101 using the Vapor Sampling System.

Caprio, G.S.

1995-11-01T23:59:59.000Z

143

Vapor and gas sampling of single-shell tank 241-SX-106 using the vapor sampling system  

SciTech Connect

This document presents sampling data resulting from the March 24, 1995, sampling of SST 241-SX-106 using the vapor sampling system.

Caprio, G.S.

1995-09-20T23:59:59.000Z

144

Sampling Instruction: Investigation of Hexavalent Chromium Flux to Groundwater at the 100-C-7:1 Excavation Site  

Science Conference Proceedings (OSTI)

Several types of data are needed to assess the flux of Cr(VI) from the excavation into the groundwater. As described in this plan, these data include (1) temporal Cr(VI) data in the shallow groundwater beneath the pit; (2) hydrologic data to interpret groundwater flow and contaminant transport; (3) hydraulic gradient data; and (4) as a contingency action if necessary, vertical profiling of Cr(VI) concentrations in the shallow aquifer beyond the depth possible with aquifer tubes.

Truex, Michael J.; Vermeul, Vincent R.

2012-05-01T23:59:59.000Z

145

Operability test report for core sample truck {number_sign}1 flammable gas modifications  

SciTech Connect

This report primarily consists of the original test procedure used for the Operability Testing of the flammable gas modifications to Core Sample Truck No. One. Included are exceptions, resolutions, comments, and test results. This report consists of the original, completed, test procedure used for the Operability Testing of the flammable gas modifications to the Push Mode Core Sample Truck No. 1. Prior to the Acceptance/Operability test the truck No. 1 operations procedure (TO-080-503) was revised to be more consistent with the other core sample truck procedures and to include operational steps/instructions for the SR weather cover pressurization system. A draft copy of the operations procedure was used to perform the Operability Test Procedure (OTP). A Document Acceptance Review Form is included with this report (last page) indicating the draft status of the operations procedure during the OTP. During the OTP 11 test exceptions were encountered. Of these exceptions four were determined to affect Acceptance Criteria as listed in the OTP, Section 4.7 ACCEPTANCE CRITERIA.

Akers, J.C.

1997-09-15T23:59:59.000Z

146

A study on the effect of inlet turbulence on gas mixing for single point aerosol sampling  

E-Print Network (OSTI)

The efficiency of certain mixing elements in achieving conditions suited for single point sampling is evaluated. Experimental measurements of velocity and tracer gas concentration are taken to determine the same. Readings are taken under conditions of statistically steady developing flow in a straight duct. Mixing is evaluated for inlet intensities of 1.5%, 10% and 20%, achieved by introducing various bi-plane grids and for a commercial static gas mixer. Reynolds number is varied between 5000 and 16000 and has negligible effect on mixing. The obtained data highlighted the importance of inlet turbulence intensity over Reynolds number in the process of turbulent dispersion of a dilute gas. All mixing data are obtained for Reynolds number around 15000. A semi-empirical correlation to predict the extent of mixing, as characterized by the Coefficient of Variation (COV) over a U.S. EPA sampling grid, with a given turbulent intensity profile is proposed and its results match favorably with the data. The correlation incorporates the idea of a history of intensity influencing the mixing at any downstream point and is much better than an earlier correlation which failed to incorporate the history of fluctuations. It could be included as a sub-model in software like DEPOSITION. Experiments with the commercial static gas mixer show that, unlike the bi-plane grids, the turbulence downstream of the mixer is not homogenous. The results showed enhanced mixing that attained the specified ANSI N13.1 1999 criteria rapidly and selection of the release point for tracer gas plays a significant role in determining the extent of mixing. The gas mixer does not introduce significant pressure losses. It is also seen that while flow straighteners reduce flow swirl, they may not be effective for achieving a uniform velocity profile. Numerical computations are performed with commercially available computational fluid dynamics (CFD) software (FLUENT[], Version 5.4), and the performance of the turbulence and particle tracking models is evaluated. Flow field predictions match favorably with experimental data. Results from the particle-tracking model show good qualitative trends, but they cannot be used to determine compliance with the requirements of the ANSI standard.

Mohan, Anand

2001-01-01T23:59:59.000Z

147

Process and apparatus for obtaining samples of liquid and gas from soil  

DOE Patents (OSTI)

An apparatus and process for obtaining samples of liquid and gas from subsurface soil is provided having filter zone adjacent an external expander ring. The expander ring creates a void within the soil substrate which encourages the accumulation of soil-borne fluids. The fluids migrate along a pressure gradient through a plurality of filters before entering a first chamber. A one-way valve regulates the flow of fluid into a second chamber in further communication with a collection tube through which samples are collected at the surface. A second one-way valve having a reverse flow provides additional communication between the chambers for the pressurized cleaning and back-flushing of the apparatus. 8 figs.

Rossabi, J.; May, C.P.; Pemberton, B.E.; Shinn, J.; Sprague, K.

1999-03-30T23:59:59.000Z

148

Innovative coke oven gas cleaning system for retrofit applications. Environmental Monitoring program. Volume 1 - sampling progrom report. Baseline Sampling Program report  

Science Conference Proceedings (OSTI)

Bethlehem Steel Corporation (BSC), in conjunction with the Department of Energy (DOE) is conducting a Clean Coal Technology (CCT) project at its Sparrows Point, Maryland Coke Oven Plant. This innovative coke oven gas cleaning system combines several existing technologies into an integrated system for removing impurities from Coke Oven Gas (COG) to make it an acceptable fuel. DOE provided cost-sharing under a Cooperative Agreement with BSC. This Cooperative Agreement requires BSC to develop and conduct and Environmental Monitoring Plan for the Clean Coal Technology project and to report the status of the EMP on a quarterly basis. It also requires the preparation of a final report on the results of the Baseline Compliance and Supplemental Sampling Programs that are part of the EMP and which were conducted prior to the startup of the innovative coke oven gas cleaning system. This report is the Baseline Sampling Program report.

Stuart, L.M.

1994-05-27T23:59:59.000Z

149

A sampling-based Bayesian model for gas saturation estimationusing seismic AVA and marine CSEM data  

SciTech Connect

We develop a sampling-based Bayesian model to jointly invertseismic amplitude versus angles (AVA) and marine controlled-sourceelectromagnetic (CSEM) data for layered reservoir models. The porosityand fluid saturation in each layer of the reservoir, the seismic P- andS-wave velocity and density in the layers below and above the reservoir,and the electrical conductivity of the overburden are considered asrandom variables. Pre-stack seismic AVA data in a selected time windowand real and quadrature components of the recorded electrical field areconsidered as data. We use Markov chain Monte Carlo (MCMC) samplingmethods to obtain a large number of samples from the joint posteriordistribution function. Using those samples, we obtain not only estimatesof each unknown variable, but also its uncertainty information. Thedeveloped method is applied to both synthetic and field data to explorethe combined use of seismic AVA and EM data for gas saturationestimation. Results show that the developed method is effective for jointinversion, and the incorporation of CSEM data reduces uncertainty influid saturation estimation, when compared to results from inversion ofAVA data only.

Chen, Jinsong; Hoversten, Michael; Vasco, Don; Rubin, Yoram; Hou,Zhangshuan

2006-04-04T23:59:59.000Z

150

Gas Permeability of Fractured Sandstone/Coal Samples under Variable Confining Pressure  

E-Print Network (OSTI)

argillite under con?nement: gas and water testing. Phys.Gascoyne, M. , Wuschke, D.M. : Gas migration through water-fractured rock: results of a gas injection test. J.

Liu, Weiqun; Li, Yushou; Wang, Bo

2010-01-01T23:59:59.000Z

151

The non-proliferation experiment and gas sampling as an on-site inspection activity: A progress report  

SciTech Connect

The Non-proliferation Experiment (NPE) is contributing to the development of gas sampling methods and models that may be incorporated into future on-site inspection (OSI) activities. Surface gas sampling and analysis, motivated by nuclear test containment studies, have already demonstrated the tendency for the gaseous products of an underground nuclear test to flow hundreds of meters to the surface over periods ranging from days to months. Even in the presence of a uniform sinusoidal pressure variation, there will be a net flow of cavity gas toward the surface. To test this barometric pumping effect at Rainier Mesa, gas bottles containing sulfur hexaflouride and {sup 3}He were added to the pre-detonation cavity for the 1 kt chemical explosives test. Pre-detonation measurements of the background levels of both gases were obtained at selected sites on top of the mesa. The background levels of both tracers were found to be at or below mass spectrographic/gas chromatographic sensitivity thresholds in the parts-per-trillion range. Post-detonation, gas chromatographic analyses of samples taken during barometric pressure lows from the sampling sites on the mesa indicate the presence of significant levels (300--600 ppt) of sulfur hexaflouride. However, mass spectrographic analyses of gas samples taken to date do not show the presence of {sup 3}He. To explain these observations, several possibilities are being explored through additional sampling/analysis and numerical modeling. For the NPE, the detonation point was approximately 400 m beneath the surface of Rainier Mesa and the event did not produce significant fracturing or subsidence on the surface of the mesa. Thus, the NPE may ultimately represent an extreme, but useful example for the application and tuning of cavity gas detection techniques.

Carrigan, C.R.

1994-03-01T23:59:59.000Z

152

Mass Models and Sunyaev-Zeldovich Effect Predictions for a Flux Limited Sample of 22 Nearby X-Ray Clusters  

E-Print Network (OSTI)

We define a 90% complete, volume-limited sample of 31 z<0.1 x-ray clusters and present a systematic analysis of public ROSAT PSPC data on 22 of these objects. Our efforts are undertaken in support of the Penn/OVRO SZE survey, and to this end we present predictions for the inverse Compton optical depth towards all 22 of these clusters. We have performed detailed Monte Carlo simulations to understand the effects of the cluster profile uncertainties on the SZE predictions given the OVRO 5.5-meter telescope beam and switching patterns; we find that the profile uncertainties are one of the least significant components of our error budget for SZE-based distance measurements. We also present baryonic masses and baryon mass fractions derived under the assumption of hydrostatic equilibrium for these 22 clusters. The mean baryonic mass fraction within R_500 \\sim 500 h^-1 kpc is (7.02 \\pm 0.28) x 10^-2 h^-3/2, or (19.8 \\pm 0.8) x 10^-2 for h=0.5. We confirm the Allen et al. (1993) claim of an excess absorbing column density towards Abell 478, but do not find similar anomalies in the other 21 clusters in our sample. We also find some evidence for an excess of soft counts in the ROSAT PSPC data. A measurement of H_o using these models and OVRO SZE determinations will be presented in a second paper.

Brian S. Mason; Steven T. Myers

1999-10-25T23:59:59.000Z

153

Measurement of gas species, temperatures, coal burnout, and wall heat fluxes in a 200 MWe lignite-fired boiler with different overfire air damper openings  

SciTech Connect

Measurements were performed on a 200 MWe, wall-fired, lignite utility boiler. For different overfire air (OFA) damper openings, the gas temperature, gas species concentration, coal burnout, release rates of components (C, H, and N), furnace temperature, and heat flux and boiler efficiency were measured. Cold air experiments for a single burner were conducted in the laboratory. The double-swirl flow pulverized-coal burner has two ring recirculation zones starting in the secondary air region in the burner. As the secondary air flow increases, the axial velocity of air flow increases, the maxima of radial velocity, tangential velocity and turbulence intensity all increase, and the swirl intensity of air flow and the size of recirculation zones increase slightly. In the central region of the burner, as the OFA damper opening widens, the gas temperature and CO concentration increase, while the O{sub 2} concentration, NOx concentration, coal burnout, and release rates of components (C, H, and N) decrease, and coal particles ignite earlier. In the secondary air region of the burner, the O{sub 2} concentration, NOx concentration, coal burnout, and release rates of components (C, H, and N) decrease, and the gas temperature and CO concentration vary slightly. In the sidewall region, the gas temperature, O{sub 2} concentration, and NOx concentration decrease, while the CO concentration increases and the gas temperature varies slightly. The furnace temperature and heat flux in the main burning region decrease appreciably, but increase slightly in the burnout region. The NOx emission decreases from 1203.6 mg/m{sup 3} (6% O{sub 2}) for a damper opening of 0% to 511.7 mg/m{sup 3} (6% O{sub 2}) for a damper opening of 80% and the boiler efficiency decreases from 92.59 to 91.9%. 15 refs., 17 figs., 3 tabs.

Jianping Jing; Zhengqi Li; Guangkui Liu; Zhichao Chen; Chunlong Liu [Harbin Institute of Technology, Harbin (China). School of Energy Science and Engineering

2009-07-15T23:59:59.000Z

154

Materials processing issues for non-destructive laser gas sampling (NDLGS)  

Science Conference Proceedings (OSTI)

The Non-Destructive Laser Gas Sampling (NDLGS) process essentially involves three steps: (1) laser drilling through the top of a crimped tube made of 304L stainles steel (Hammar and Svennson Cr{sub eq}/Ni{sub eq} = 1.55, produced in 1985); (2) gas sampling; and (3) laser re-welding of the crimp. All three steps are performed in a sealed chamber with a fused silica window under controlled vacuum conditions. Quality requirements for successful processing call for a hermetic re-weld with no cracks or other defects in the fusion zone or HAZ. It has been well established that austenitic stainless steels ({gamma}-SS), such as 304L, can suffer from solidification cracking if their Cr{sub eq}/Ni{sub eq} is below a critical value that causes solidification to occur as austenite (fcc structure) and their combined impurity level (%P+%S) is above {approx}0.02%. Conversely, for Cr{sub eq}/Ni{sub eq} values above the critical level, solidification occurs as ferrite (bcc structure), and cracking propensity is greatly reduced at all combined impurity levels. The consensus of results from studies of several researchers starting in the late 1970's indicates that the critical Cr{sub eq}/Ni{sub eq} value is {approx}1.5 for arc welds. However, more recent studies by the author and others show that the critical Cr{sub eq}/Ni{sub eq} value increases to {approx}1 .6 for weld processes with very rapid thermal cycles, such as the pulsed Nd:YAG laser beam welding (LBW) process used here. Initial attempts at NDLGS using pulsed LBW resulted in considerable solidification cracking, consistent with the results of work discussed above. After a brief introduction to the welding metallurgy of {gamma}-SS, this presentation will review the results of a study aimed at developing a production-ready process that eliminates cracking. The solution to the cracking issue, developed at LANL, involved locally augmenting the Cr content by applying either Cr or a Cr-rich stainless steel (ER 312) to the top of the crimp using the electro-spark deposition (ESD) process followed by laser mixing, drilling and rewelding. Results of a study of the ESD parameters on deposition rate and efficiency will be discussed along with mass balance calculations for determining the desired Cr content to eliminate cracking. The study also required purchase of new pulsed Nd:YAG laser welders. Evaluation of the performance of the new lasers, including beam profiling results, will also be presented. Development of a mixing, drilling and re-welding process at atmospheric pressure with inert gas shielding demonstrated the efficacy of the Cr-augmentation approach. However, extending the process to vacuum conditions proved more challenging owing to loss of laser transmission through the window from spatter and condensation of metal vapors. Solutions developed to circumvent hese issues will be reviewed. Weld microstructures found with various Cr levels will be presented and discussed.

Lienert, Thomas J [Los Alamos National Laboratory

2010-12-09T23:59:59.000Z

155

Tank 241-BY-110 Headspace Gas and Vapor Characterization Results for Samples Collected in November 1994. Revision 2  

Science Conference Proceedings (OSTI)

Significant changes have been made to all of the original vapor characterization reports. This report documents specific headspace gas and vapor characterization results for all vapor sampling events to date. In addition, changes have been made to the original vapor reports to qualify the data based on quality assurance issues associated with the performing laboratories.

Huckaby, J.L. [Pacific Northwest Lab., Washington, DC (United States); Bratzel, D.R. [Westinghouse Hanford Co., Richland, WA (United States)

1995-09-01T23:59:59.000Z

156

ARM - Measurement - CO2 flux  

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

: CO2 flux The rate of flow for carbon dioxide, a heavy, colorless greenhouse gas. Categories Atmospheric Carbon, Surface Properties Instruments The above measurement is...

157

Water-Gas Samples At Fenton Hill Hdr Geothermal Area (Grigsby...  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind Page Actions View source History View New Pages Recent Changes All Special Pages...

158

Water-Gas Samples At Fenton Hill Hdr Geothermal Area (Goff &...  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind Page Actions View source History View New Pages Recent Changes All Special Pages...

159

Water-Gas Samples At Maui Area (DOE GTP) | Open Energy Information  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind Page Actions View source History View New Pages Recent Changes All Special Pages...

160

Water-Gas Samples At Lassen Volcanic National Park Area (Janik...  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind Page Actions View source History View New Pages Recent Changes All Special Pages...

Note: This page contains sample records for the topic "gas flux sampling" 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

Water-Gas Samples At Valles Caldera - Sulphur Springs Area (Goff...  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind Page Actions View source History View New Pages Recent Changes All Special Pages...

162

Test plan for headspace gas sampling of remote-handled transuranic waste containers at Los Alamos National Laboratory  

DOE Green Energy (OSTI)

Seventeen remote-handled (RH) transuranic (TRU) waste canisters currently are stored in vertical, underground shafts at Technical Area (TA)-54, Area G, at Los Alamos National Laboratory (LANL). These 17 RH TRU waste canisters are destined to be shipped to the Waste Isolation Pilot Plant (WIPP) for permanent disposal in the geologic repository. As the RH TRU canister is likely to be the final payload container prior to placement into the 72-B cask and shipment to the WIPP, these waste canisters provide a unique opportunity to ascertain representative flammable gas concentrations in packaged RH-TRU waste. Hydrogen, which is produced by the radiolytic decomposition of hydrogenous constituents in the waste matrix, is the primary flammable gas of concern with RH TRU waste. The primary objectives of the experiment that is described by this test plan are to sample and analyze the waste canister headspace gases to determine the concentration of hydrogen in the headspace gas and to calculate the hydrogen gas generation rate for comparison to the applicable maximum allowable hydrogen generation rate (mole/sec) limits. It is a goal of this experiment to determine the headspace gas concentrations of other gases (e.g., oxygen, nitrogen, carbon dioxide, carbon monoxide, and volatile organic compounds (VOCs) with molecular weights less than 60 g/mole) that are produced by radiolysis or present when the waste was packaged. Additionally, the temperature, pressure, and flow rate of the headspace gas will be measured.

Field, L.R.; Villarreal, R. [Los Alamos National Lab., NM (United States)

1998-02-24T23:59:59.000Z

163

Gas Permeability of Fractured Sandstone/Coal Samples under Variable Confining Pressure  

E-Print Network (OSTI)

of Fractured Sandstone/Coal Samples Smeulders, D.M.J. ,stress on permeability of coal. Int. J. Rock Mech. Min. Sci.of Fractured Sandstone/Coal Samples under Variable Con?ning

Liu, Weiqun; Li, Yushou; Wang, Bo

2010-01-01T23:59:59.000Z

164

LOW TEMPERATURE X-RAY DIFFRACTION STUDIES OF NATURAL GAS HYDRATE SAMPLES FROM THE GULF OF MEXICO  

SciTech Connect

Clathrate hydrates of methane and other small alkanes occur widespread terrestrially in marine sediments of the continental margins and in permafrost sediments of the arctic. Quantitative study of natural clathrate hydrates is hampered by the difficulty in obtaining pristine samples, particularly from submarine environments. Bringing samples of clathrate hydrate from the seafloor at depths without compromising their integrity is not trivial. Most physical property measurements are based on studies of laboratory-synthesized samples. Here we report X-ray powder diffraction measurements of a natural gas hydrate sample from the Green Canyon, Gulf of Mexico. The first data were collected in 2002 and revealed ice and structure II gas hydrate. In the subsequent time the sample has been stored in liquid nitrogen. More recent X-ray powder diffraction data have been collected as functions of temperature and time. This new data indicates that the larger sample is heterogeneous in ice content and shows that the amount of sII hydrate decreases with increasing temperature and time as expected. However, the dissociation rate is higher at lower temperatures and earlier in the experiment.

Rawn, Claudia J [ORNL; Sassen, Roger [Texas A& M University; Ulrich, Shannon M [ORNL; Phelps, Tommy Joe [ORNL; Chakoumakos, Bryan C [ORNL; Payzant, E Andrew [ORNL

2008-01-01T23:59:59.000Z

165

Sampling-Window Based Approach for Fire Gas Analysis of Rigid Foams.  

E-Print Network (OSTI)

??A sampling-window based approach was developed to collect and analyze the gases evolved during fire performance testing using the cone calorimeter. For this purpose, a (more)

Jones, Bryn

2013-01-01T23:59:59.000Z

166

A safety assessment of rotary mode core sampling in flammable gas single shell tanks: Hanford Site, Richland, Washington  

SciTech Connect

This safety assessment (SA) addresses each of the required elements associated with the installation, operation, and removal of a rotary-mode core sampling (RMCS) device in flammable-gas single-shell tanks (SSTs). The RMCS operations are needed in order to retrieve waste samples from SSTs with hard layers of waste for which push-mode sampling is not adequate for sampling. In this SA, potential hazards associated with the proposed action were identified and evaluated systematically. Several potential accident cases that could result in radiological or toxicological gas releases were identified and analyzed and their consequences assessed. Administrative controls, procedures and design changes required to eliminate or reduce the potential of hazards were identified. The accidents were analyzed under nine categories, four of which were burn scenarios. In SSTS, burn accidents result in unacceptable consequences because of a potential dome collapse. The accidents in which an aboveground burn propagates into the dome space were shown to be in the ``beyond extremely unlikely`` frequency category. Given the unknown nature of the gas-release behavior in the SSTS, a number of design changes and administrative controls were implemented to achieve these low frequencies. Likewise, drill string fires and dome space fires were shown to be very low frequency accidents by taking credit for the design changes, controls, and available experimental and analytical data. However, a number of Bureau of Mines (BOM) tests must be completed before some of the burn accidents can be dismissed with high confidence. Under the category of waste fires, the possibility of igniting the entrapped gases and the waste itself were analyzed. Experiments are being conducted at the BOM to demonstrate that the drill bit is not capable of igniting the trapped gas in the waste. Laboratory testing and thermal analysis demonstrated that, under normal operating conditions, the drill bit will not create high enough temperatures to initiate a propagating reaction in the waste. However, system failure that coincides in a waste layer with high organic content and low moisture may initiate an exothermic reaction in the waste. Consequently, a conservative approach based on the current state of the knowledge resulted in limiting the drilling process to a subset of the flammable-gas tanks. Accidents from the chemical reactions and criticality category are shown to result in acceptable risk. A number of accidents are shown to potentially result in containment (tank liner) breach below the waste level. Mitigative features are provided for these accidents. Gas-release events without burn also are analyzed, and radiological and toxicological consequences are shown to be within risk guidelines. Finally, the consequences of potential spills are shown to be within the risk guidelines.

Raymond, R.E.

1996-04-15T23:59:59.000Z

167

Results for the DWPF Slurry Mix Evaporator Condensate Tank, Off Gas Condensate Tank, And Recycle Collection Tank Samples  

Science Conference Proceedings (OSTI)

The Defense Waste Processing Facility, DWPF, currently generates approximately 1.4 million gallons of recycle water per year during Sludge-Only operations. DWPF has minimized condensate generation to 1.4 million gallons by not operating the Steam Atomized Scrubbers, SASs, for the melter off gas system. By not operating the SASs, DWPF has reduced the total volume by approximately 800,000 gallons of condensate per year. Currently, the recycle stream is sent to back to the Tank Farm and processed through the 2H Evaporator system. To alleviate the load on the 2H Evaporator system, an acid evaporator design is being considered as an alternate processing and/or concentration method for the DWPF recycle stream. In order to support this alternate processing option, the DWPF has requested that the chemical and radionuclide compositions of the Off Gas Condensate Tank, OGCT, Slurry Mix Evaporator Condensate Tank, SMECT, Recycle Collection Tank, RCT, and the Decontamination Waste Treatment Tank, DWTT, be determined as a part of the process development work for the acid evaporator design. Samples have been retrieved from the OGCT, RCT, and SMECT and have been sent to the Savannah River National Laboratory, SRNL for this characterization. The DWTT samples have been recently shipped to SRNL. The results for the DWTT samples will be issued at later date.

TERRI, FELLINGER

2004-12-21T23:59:59.000Z

168

Gas  

Science Conference Proceedings (OSTI)

... Implements a gas based on the ideal gas law. It should be noted that this model of gases is niave (from many perspectives). ...

169

NEUTRON FLUX INTENSITY DETECTION  

DOE Patents (OSTI)

A method of measuring the instantaneous intensity of neutron flux in the core of a nuclear reactor is described. A target gas capable of being transmuted by neutron bombardment to a product having a resonance absorption line nt a particular microwave frequency is passed through the core of the reactor. Frequency-modulated microwave energy is passed through the target gas and the attenuation of the energy due to the formation of the transmuted product is measured. (AEC)

Russell, J.T.

1964-04-21T23:59:59.000Z

170

A Survey of z~6 Quasars in the SDSS Deep Stripe: I. a Flux-Limited Sample at z_{AB}<21  

E-Print Network (OSTI)

We present the discovery of five quasars at z~6 selected from 260 deg^2 of the Sloan Digital Sky Survey (SDSS) southern survey, a deep imaging survey obtained by repeatedly scanning a stripe along the Celestial Equator. The five quasars with 20=6.0 and =-25.8 is (5.0+/-2.1) x 10^{-9} Mpc^{-3} mag^{-1}. We model the bright-end quasar luminosity function (QLF) at z~6 as a power law Phi(L_{1450}) \\propto L_{1450}^{beta}. The slope beta calculated from a combination of our sample and the luminous SDSS quasar sample is -3.1+/-0.4, significantly steeper than the slope of the QLF at z~4. Based on the derived QLF, we find that the quasar/AGN population cannot provide enough photons to ionize the intergalactic medium (IGM) at z~6 unless the IGM is very homogeneous and the luminosity (L*_{1450}) at which the QLF power law breaks is very low.

Linhua Jiang; Xiaohui Fan; James Annis; Robert H. Becker; Richard L. White; Kuenley Chiu; Huan Lin; Robert H. Lupton; Gordon T. Richards; Michael A. Strauss; Sebastian Jester; Donald P. Schneider

2007-08-20T23:59:59.000Z

171

Dilution-based emissions sampling from stationary sources: part 2 - gas-fired combustors compared with other fuel-fired systems  

SciTech Connect

With the recent focus on fine particle matter (PM2.5), new, self- consistent data are needed to characterize emissions from combustion sources. Emissions data for gas-fired combustors are presented, using dilution sampling as the reference. The sampling and analysis of the collected particles in the presence of precursor gases, SO{sub 2}, nitrogen oxide, volatile organic compound, and NH{sub 3} is discussed; the results include data from eight gas fired units, including a dual- fuel institutional boiler and a diesel engine powered electricity generator. These data are compared with results in the literature for heavy-duty diesel vehicles and stationary sources using coal or wood as fuels. The results show that the gas-fired combustors have very low PM2.5 mass emission rates in the range of {approximately}10{sup -4} lb/million Btu (MMBTU) compared with the diesel backup generator with particle filter, with {approximately} 5 x 10{sup -3} lb/MMBTU. Even higher mass emission rates are found in coal-fired systems, with rates of {approximately} 0.07 lb/MMBTU for a bag-filter-controlled pilot unit burning eastern bituminous coal. The characterization of PM2.5 chemical composition from the gas-fired units indicates that much of the measured primary particle mass in PM2.5 samples is organic or elemental carbon and, to a much less extent, sulfate. Metal emissions are low compared with the diesel engines and the coal- or wood-fueled combustors. The metals found in the gas- fired combustor particles are low in concentration. The interpretation of the particulate carbon emissions is complicated by the fact that an approximately equal amount of particulate carbon is found on the particle collector and a backup filter. It is likely that measurement artifacts are positively biasing 'true' particulate carbon emissions results. 49 refs., 1 fig., 12 tabs.

England, G.C.; Watson, J.G.; Chow, J.C.; Zielinska, B.; Chang, M.C.O.; Loos, K.R.; Hidy. G.M. [GE Energy, Santa Ana, CA (United States)

2007-01-15T23:59:59.000Z

172

Flux Measurements of Volatile Organic Compounds from an Urban Tower Platform.  

E-Print Network (OSTI)

??A tall tower flux measurement setup was established in metropolitan Houston, Texas, to measure trace gas fluxes from both anthropogenic and biogenic emission sources in (more)

Park, Chang Hyoun

2011-01-01T23:59:59.000Z

173

Method and apparatus utilizing ionizing and microwave radiation for saturation determination of water, oil and a gas in a core sample  

DOE Patents (OSTI)

A system is described for determining the relative permeabilities of gas, water and oil in a core sample has a microwave emitter/detector subsystem and an X-ray emitter/detector subsystem. A core holder positions the core sample between microwave absorbers which prevent diffracted microwaves from reaching a microwave detector where they would reduce the signal-to-noise ratio of the microwave measurements. The microwave emitter/detector subsystem and the X-ray emitter/detector subsystem each have linear calibration characteristics, allowing one subsystem to be calibrated with respect to the other subsystem. The dynamic range of microwave measurements is extended through the use of adjustable attenuators. This also facilitates the use of core samples with wide diameters. The stratification characteristics of the fluids may be observed with a windowed cell separator at the outlet of the core sample. The condensation of heavy hydrocarbon gas and the dynamic characteristics of the fluids are observed with a sight glass at the outlet of the core sample. 11 figs.

Maerefat, N.L.; Parmeswar, R.; Brinkmeyer, A.D.; Honarpour, M.

1994-08-23T23:59:59.000Z

174

Method and apparatus utilizing ionizing and microwave radiation for saturation determination of water, oil and a gas in a core sample  

DOE Patents (OSTI)

A system for determining the relative permeabilities of gas, water and oil in a core sample has a microwave emitter/detector subsystem and an X-ray emitter/detector subsystem. A core holder positions the core sample between microwave absorbers which prevent diffracted microwaves from reaching a microwave detector where they would reduce the signal-to-noise ratio of the microwave measurements. The microwave emitter/detector subsystem and the X-ray emitter/detector subsystem each have linear calibration characteristics, allowing one subsystem to be calibrated with respect to the other subsystem. The dynamic range of microwave measurements is extended through the use of adjustable attenuators. This also facilitates the use of core samples with wide diameters. The stratification characteristics of the fluids may be observed with a windowed cell separator at the outlet of the core sample. The condensation of heavy hydrocarbon gas and the dynamic characteristics of the fluids are observed with a sight glass at the outlet of the core sample.

Maerefat, Nicida L. (Sugar Land, TX); Parmeswar, Ravi (Marlton, NJ); Brinkmeyer, Alan D. (Tulsa, OK); Honarpour, Mehdi (Bartlesville, OK)

1994-01-01T23:59:59.000Z

175

Examination of core samples from the Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope: Effects of retrieval and preservation  

SciTech Connect

Collecting and preserving undamaged core samples containing gas hydrates from depth is difficult because of the pressure and temperature changes encountered upon retrieval. Hydrate-bearing core samples were collected at the BPXA-DOE-USGS Mount Elbert Gas Hydrate Stratigraphic Test Well in February 2007. Coring was performed while using a custom oil-based drilling mud, and the cores were retrieved by a wireline. The samples were characterized and subsampled at the surface under ambient winter arctic conditions. Samples thought to be hydrate bearing were preserved either by immersion in liquid nitrogen (LN), or by storage under methane pressure at ambient arctic conditions, and later depressurized and immersed in LN. Eleven core samples from hydrate-bearing zones were scanned using x-ray computed tomography to examine core structure and homogeneity. Features observed include radial fractures, spalling-type fractures, and reduced density near the periphery. These features were induced during sample collection, handling, and preservation. Isotopic analysis of the methane from hydrate in an initially LN-preserved core and a pressure-preserved core indicate that secondary hydrate formation occurred throughout the pressurized core, whereas none occurred in the LN-preserved core, however no hydrate was found near the periphery of the LN-preserved core. To replicate some aspects of the preservation methods, natural and laboratory-made saturated porous media samples were frozen in a variety of ways, with radial fractures observed in some LN-frozen sands, and needle-like ice crystals forming in slowly frozen clay-rich sediments. Suggestions for hydrate-bearing core preservation are presented.

Kneafsey, T.J.; Liu, T.J. H.; Winters, W.; Boswell, R.; Hunter, R.; Collett, T.S.

2011-06-01T23:59:59.000Z

176

Analysis of core samples from the BPXA-DOE-USGS Mount Elbert gas hydrate stratigraphic test well: Insights into core disturbance and handling  

Science Conference Proceedings (OSTI)

Collecting and preserving undamaged core samples containing gas hydrates from depth is difficult because of the pressure and temperature changes encountered upon retrieval. Hydrate-bearing core samples were collected at the BPXA-DOE-USGS Mount Elbert Gas Hydrate Stratigraphic Test Well in February 2007. Coring was performed while using a custom oil-based drilling mud, and the cores were retrieved by a wireline. The samples were characterized and subsampled at the surface under ambient winter arctic conditions. Samples thought to be hydrate bearing were preserved either by immersion in liquid nitrogen (LN), or by storage under methane pressure at ambient arctic conditions, and later depressurized and immersed in LN. Eleven core samples from hydrate-bearing zones were scanned using x-ray computed tomography to examine core structure and homogeneity. Features observed include radial fractures, spalling-type fractures, and reduced density near the periphery. These features were induced during sample collection, handling, and preservation. Isotopic analysis of the methane from hydrate in an initially LN-preserved core and a pressure-preserved core indicate that secondary hydrate formation occurred throughout the pressurized core, whereas none occurred in the LN-preserved core, however no hydrate was found near the periphery of the LN-preserved core. To replicate some aspects of the preservation methods, natural and laboratory-made saturated porous media samples were frozen in a variety of ways, with radial fractures observed in some LN-frozen sands, and needle-like ice crystals forming in slowly frozen clay-rich sediments. Suggestions for hydrate-bearing core preservation are presented.

Kneafsey, Timothy J.; Lu, Hailong; Winters, William; Boswell, Ray; Hunter, Robert; Collett, Timothy S.

2009-09-01T23:59:59.000Z

177

Analysis of core samples from the BPXA-DOE-USGS Mount Elbert gas hydrate stratigraphic test well: Insights into core disturbance and handling  

E-Print Network (OSTI)

during the core recovery, gas and water are produced.Gas produced will displace some water, reducing the density

Kneafsey, Timothy J.

2010-01-01T23:59:59.000Z

178

Gas generation and migration studies involving recently generated /sup 238/Pu-contaminated waste for the TRU Waste Sampling Program  

DOE Green Energy (OSTI)

This study is part of the multicontractor TRU Waste Sampling Program. Radiolytically generated gases were vented through a filtering device to determine its effectiveness in maintaining hydrogen concentrations within acceptably safe levels. In the second part of the study measurements were made to determine the ability of these gases, particularly hydrogen, to migrate through a sealed rigid polyethylene drum liner. Void volumes in these drums were found to be generally in excess of 90%. The carbon composite filter was found to satisfactorily vent hydrogen up to moderately high levels of alpha activity in the waste substrate. The sealed 90-mil liner was found to inhibit, but not prevent, the migration of hydrogen and other radiolytically generated gases.

Zerwekh, A.; Warren, J.L.

1986-07-01T23:59:59.000Z

179

Fast flux locked loop  

DOE Patents (OSTI)

A flux locked loop for providing an electrical feedback signal, the flux locked loop employing radio-frequency components and technology to extend the flux modulation frequency and tracking loop bandwidth. The flux locked loop of the present invention has particularly useful application in read-out electronics for DC SQUID magnetic measurement systems, in which case the electrical signal output by the flux locked loop represents an unknown magnetic flux applied to the DC SQUID.

Ganther, Jr., Kenneth R. (Olathe, KS); Snapp, Lowell D. (Independence, MO)

2002-09-10T23:59:59.000Z

180

Geometrical vector flux sinks and ideal flux concentrators  

SciTech Connect

The description of ideal flux concentrators as shapes that do not disturb the geometrical vector flux field is extended to all the known types of ideal flux concentrators. This is accomplished, in part, by the introduction of vector flux sinks.

Greenman, P.

1981-06-01T23:59:59.000Z

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


181

Final Report Independent Verification Survey of the High Flux Beam Reactor, Building 802 Fan House Brookhaven National Laboratory Upton, New York  

Science Conference Proceedings (OSTI)

On May 9, 2011, ORISE conducted verification survey activities including scans, sampling, and the collection of smears of the remaining soils and off-gas pipe associated with the 802 Fan House within the HFBR (High Flux Beam Reactor) Complex at BNL. ORISE is of the opinion, based on independent scan and sample results obtained during verification activities at the HFBR 802 Fan House, that the FSS (final status survey) unit meets the applicable site cleanup objectives established for as left radiological conditions.

Evan Harpeneau

2011-06-24T23:59:59.000Z

182

Innovative coke oven gas cleaning system for retrofit applications: Environmental Monitoring Program. Volume 3, Appendix sections 8--14: Baseline Sampling Program report  

Science Conference Proceedings (OSTI)

This report contains no text. It consists entirely of numerical data: Coke oven wastewater treatment performance; Ammonia still effluents to equalization tank; Stack gas analysis of coke oven batteries; CoaL consumption; Coke production; Supplemental OSHA employee exposure monitoring(hydrocarbons,ammonia, hydrogen sulfide); operating data; chemical products and coke oven gas production.

Stuart, L.M.

1994-05-27T23:59:59.000Z

183

Measurement of Oil and Gas Emissions from a Marine Seep  

E-Print Network (OSTI)

oil-gas separator, and gas flux turbine. B. Image of oil-gasoil. Absent the oil-gas separator, the turbine would havethe oil-gas separator with the turbine tent demonstrated a

Leifer, Ira; Boles, J R; Luyendyk, B P

2007-01-01T23:59:59.000Z

184

Radionuclides, Metals, and Hydrocarbons in Oil and Gas Operational Discharges and Environmental Samples Associated with Offshore Production Facilities on the Texas/Louisiana Continental Shelf with an Environmental Assessment of Metals and Hydrocarbons  

Science Conference Proceedings (OSTI)

This report presents concentrations of radionuclides, metals, and hydrocarbons in samples of produced water and produced sand from oil and gas production platforms located offshore Texas and Louisiana. Concentrations in produced water discharge plume/receiving water, ambient seawater, sediment, interstitial water, and marine animal tissue samples collected in the vicinity of discharging platforms and reference sites distant from discharges are also reported and discussed. An environmental risk assessment is made on the basis of the concentrations of metals and hydrocarbons determined in the samples.

Continental Shelf Associates, Inc.

1999-08-16T23:59:59.000Z

185

Radionuclides, Metals, and Hydrocarbons in Oil and Gas Operational Discharges and Environmental Samples Associated with Offshore Production Facilities on the Texas/Louisiana Continental Shelf with an Environmental Assessment of Metals and Hydrocarbons.  

Science Conference Proceedings (OSTI)

This report presents concentrations of radionuclides, metals, and hydrocarbons in samples of produced water and produced sand from oil and gas production platforms located offshore Texas and Louisiana. concentrations in produced water discharge plume / receiving water, ambient seawater, sediment, interstitial water, and marine animal tissue samples collected in the vicinity of discharging platforms and reference sites distant from discharges are also reported and discussed. An environmental risk assessment is made on the basis of the concentration of metals and hydrocarbons determined in the samples.

NONE

1997-06-01T23:59:59.000Z

186

CONTINUOUS GAS ANALYZER  

DOE Patents (OSTI)

A reagent gas and a sample gas are chemically combined on a continuous basis in a reaction zone maintained at a selected temperature. The reagent gas and the sample gas are introduced to the reaction zone at preselected. constant molar rates of flow. The reagent gas and the selected gas in the sample mixture combine in the reaction zone to form a product gas having a different number of moles from the sum of the moles of the reactants. The difference in the total molar rates of flow into and out of the reaction zone is measured and indicated to determine the concentration of the selected gas.

Katz, S.; Weber, C.W.

1960-02-16T23:59:59.000Z

187

Liquid sampling system  

DOE Patents (OSTI)

A conduit extends from a reservoir through a sampling station and back to the reservoir in a closed loop. A jet ejector in the conduit establishes suction for withdrawing liquid from the reservoir. The conduit has a self-healing septum therein upstream of the jet ejector for receiving one end of a double-ended cannula, the other end of which is received in a serum bottle for sample collection. Gas is introduced into the conduit at a gas bleed between the sample collection bottle and the reservoir. The jet ejector evacuates gas from the conduit and the bottle and aspirates a column of liquid from the reservoir at a high rate. When the withdrawn liquid reaches the jet ejector the rate of flow therethrough reduces substantially and the gas bleed increases the pressure in the conduit for driving liquid into the sample bottle, the gas bleed forming a column of gas behind the withdrawn liquid column and interrupting the withdrawal of liquid from the reservoir. In the case of hazardous and toxic liquids, the sample bottle and the jet ejector may be isolated from the reservoir and may be further isolated from a control station containing remote manipulation means for the sample bottle and control valves for the jet ejector and gas bleed.

Larson, Loren L. (Idaho Falls, ID)

1987-01-01T23:59:59.000Z

188

Liquid sampling system  

DOE Patents (OSTI)

A conduit extends from a reservoir through a sampling station and back to the reservoir in a closed loop. A jet ejector in the conduit establishes suction for withdrawing liquid from the reservoir. The conduit has a self-healing septum therein upstream of the jet ejector for receiving one end of a double-ended cannula, the other end of which is received in a serum bottle for sample collection. Gas is introduced into the conduit at a gas bleed between the sample collection bottle and the reservoir. The jet ejector evacuates gas from the conduit and the bottle and aspirates a column of liquid from the reservoir at a high rate. When the withdrawn liquid reaches the jet ejector the rate of flow therethrough reduces substantially and the gas bleed increases the pressure in the conduit for driving liquid into the sample bottle, the gas bleed forming a column of gas behind the withdrawn liquid column and interrupting the withdrawal of liquid from the reservoir. In the case of hazardous and toxic liquids, the sample bottle and the jet ejector may be isolated from the reservoir and may be further isolated from a control station containing remote manipulation means for the sample bottle and control valves for the jet ejector and gas bleed. 5 figs.

Larson, L.L.

1984-09-17T23:59:59.000Z

189

Oceanic Heat Flux Calculation  

Science Conference Proceedings (OSTI)

The authors review the procedure for the direct calculation of oceanic heat flux from hydrographic measurements and set out the full recipe that is required.

Sheldon Bacon; Nick Fofonoff

1996-12-01T23:59:59.000Z

190

Landfill methane recovery. Part II: gas characterization. Final report, December 1981-December 1982  

SciTech Connect

This study addresses field sampling, analytical testing, and data generation for the characterization of both raw and processed landfill gas. Standardized protocols were developed for the sampling and analysis of the landfill gas for trace constituents and are presented as Appendices A-C. A nationwide survey was conducted in which gas samples were collected at nine landfill sites and tested for trace volatile organic compounds (VOC), trace volatile mercury, and human pathogenic viruses and bacteria. Surface-gas flux measurements at the landfill surface were also made. Repetitive sampling and analysis for each of the nice sites porvided the opportunity to evaluate agreement (or variations) within a laboratory and between two analytical laboratories. Sampling and analytical protocols used by both laboratories were identical, however, the analytical hardware and interpretive computer hardware and software were different.

Lytwynyshyn, G.R.; Zimmerman, R.E.; Flynn, N.W.; Wingender, R.; Olivieri, V.

1982-12-01T23:59:59.000Z

191

Baseline Carbon Storage, Carbon Sequestration, and Greenhouse-Gas  

E-Print Network (OSTI)

Baseline Carbon Storage, Carbon Sequestration, and Greenhouse-Gas Fluxes in Terrestrial Ecosystems, and Benjamin M. Sleeter Chapter 5 of Baseline and Projected Future Carbon Storage and Greenhouse-Gas Fluxes, carbon sequestration, and greenhouse-gas fluxes in terrestrial ecosystems of the Western United States

Fleskes, Joe

192

Concentration with uniform flux  

SciTech Connect

A modification of a parabolic cylinder concentrator is developed to procedure uniform flux. The controlling surface equation is given. A three-dimensional ray-trace technique is used to obtain the shape of the image at the focal plane of a thin slice of the mirror. Also, the concentration distribution for uniform flux is given. 1 references, 7 figures.

Not Available

1986-01-01T23:59:59.000Z

193

E17: The Thought and Process on Coal Side BFG Flux Display Eorr ...  

Science Conference Proceedings (OSTI)

Presentation Title, E17: The Thought and Process on Coal Side BFG Flux .... D18: Pure and Doped Ceria Nanoparticles for Green Natural Gas Combustion.

194

Computing Solar Absolute Fluxes  

E-Print Network (OSTI)

Computed color indices and spectral shapes for individual stars are routinely compared with observations for essentially all spectral types, but absolute fluxes are rarely tested. We can confront observed irradiances with the predictions from model atmospheres for a few stars with accurate angular diameter measurements, notably the Sun. Previous calculations have been hampered by inconsistencies and the use of outdated atomic data and abundances. I provide here a progress report on our current efforts to compute absolute fluxes for solar model photospheres. Uncertainties in the solar composition constitute a significant source of error in computing solar radiative fluxes.

Prieto, Carlos Allende

2007-01-01T23:59:59.000Z

195

Computing Solar Absolute Fluxes  

E-Print Network (OSTI)

Computed color indices and spectral shapes for individual stars are routinely compared with observations for essentially all spectral types, but absolute fluxes are rarely tested. We can confront observed irradiances with the predictions from model atmospheres for a few stars with accurate angular diameter measurements, notably the Sun. Previous calculations have been hampered by inconsistencies and the use of outdated atomic data and abundances. I provide here a progress report on our current efforts to compute absolute fluxes for solar model photospheres. Uncertainties in the solar composition constitute a significant source of error in computing solar radiative fluxes.

Carlos Allende Prieto

2007-09-14T23:59:59.000Z

196

Electric Flux Tube in Magnetic Plasma  

E-Print Network (OSTI)

In this paper we study a methodical problem related to the magnetic scenario recently suggested and initiated by the authors \\cite{Liao_ES_mono} to understand the strongly coupled quark-gluon plasma (sQGP): the electric flux tube in monopole plasma. A macroscopic approach, interpolating between Bose condensed (dual superconductor) and classical gas medium is developed first. Then we work out a microscopic approach based on detailed quantum mechanical calculation of the monopole scattering on electric flux tube, evaluating induced currents for all partial waves. As expected, the flux tube looses its stability when particles can penetrate it: we make this condition precise by calculating the critical value for the product of the flux tube size times the particle momentum, above which the flux tube dissolves. Lattice static potentials indicate that flux tubes seem to dissolve at $T>T_{dissolution} \\approx 1.3 T_c$. Using our criterion one gets an estimate of the magnetic density $n\\approx 4.4 \\sim 6.6 fm^{-3}$ a...

Liao Jin Feng

2007-01-01T23:59:59.000Z

197

Determining Reactor Neutrino Flux  

E-Print Network (OSTI)

Flux is an important source of uncertainties for a reactor neutrino experiment. It is determined from thermal power measurements, reactor core simulation, and knowledge of neutrino spectra of fuel isotopes. Past reactor neutrino experiments have determined the flux to (2-3)% precision. Precision measurements of mixing angle $\\theta_{13}$ by reactor neutrino experiments in the coming years will use near-far detector configurations. Most uncertainties from reactor will be canceled out. Understanding of the correlation of uncertainties is required for $\\theta_{13}$ experiments. Precise determination of reactor neutrino flux will also improve the sensitivity of the non-proliferation monitoring and future reactor experiments. We will discuss the flux calculation and recent progresses.

Cao, Jun

2011-01-01T23:59:59.000Z

198

Determining Reactor Neutrino Flux  

E-Print Network (OSTI)

Flux is an important source of uncertainties for a reactor neutrino experiment. It is determined from thermal power measurements, reactor core simulation, and knowledge of neutrino spectra of fuel isotopes. Past reactor neutrino experiments have determined the flux to (2-3)% precision. Precision measurements of mixing angle $\\theta_{13}$ by reactor neutrino experiments in the coming years will use near-far detector configurations. Most uncertainties from reactor will be canceled out. Understanding of the correlation of uncertainties is required for $\\theta_{13}$ experiments. Precise determination of reactor neutrino flux will also improve the sensitivity of the non-proliferation monitoring and future reactor experiments. We will discuss the flux calculation and recent progresses.

Jun Cao

2011-01-12T23:59:59.000Z

199

Photovoltaic roof heat flux  

E-Print Network (OSTI)

of ~24C, indicating that heat conduction was small. T h i sday, indicating large heat conduction a n d storage. Control2.1.3 showed that conduction heat flux through the roof was

Samady, Mezhgan Frishta

2011-01-01T23:59:59.000Z

200

sample abstract  

Science Conference Proceedings (OSTI)

carbonization with propane as a carbon-based precursor gas at 1150 C or 1250 ... SiC films when propane gas is introduced into the growth environment at 700...

Note: This page contains sample records for the topic "gas flux sampling" 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

Packed-Bed Reactor Study of NETL Sample 196c for the Removal of Carbon Dioxide from Simulated Flue Gas Mixture  

Science Conference Proceedings (OSTI)

An amine-based solid sorbent process to remove CO2 from flue gas has been investigated. The sorbent consists of polyethylenimine (PEI) immobilized onto silica (SiO2) support. Experiments were conducted in a packed-bed reactor and exit gas composition was monitored using mass spectrometry. The effects of feed gas composition (CO2 and H2O), temperature, and simulated steam regeneration were examined for both the silica support as well as the PEI-based sorbent. The artifact of the empty reactor was also quantified. Sorbent CO2 capacity loading was compared to thermogravimetric (TGA) results to further characterize adsorption isotherms and better define CO2 working capacity. Sorbent stability was monitored by periodically repeating baseline conditions throughout the parametric testing and replacing with fresh sorbent as needed. The concept of the Basic Immobilized Amine Sorbent (BIAS) Process using this sorbent within a system where sorbent continuously flows between the absorber and regenerator was introduced. The basic tenet is to manipulate or control the level of moisture on the sorbent as it travels around the sorbent circulation path between absorption and regeneration stages to minimize its effect on regeneration heat duty.

Hoffman, James S.; Hammache, Sonia; Gray, McMahan L.; Fauth Daniel J.; Pennline, Henry W.

2012-04-24T23:59:59.000Z

202

Tank 241-S-102 fifth temporal study: Headspace gas and vapor characterization results from samples collected on February 11, 1997. Tank vapor characterization project  

DOE Green Energy (OSTI)

This report presents tile results from analyses of samples taken from the headspace of waste storage tank 241-S-102 (Tank S-102) at the Hanford Site in Washington State. Tank headspace samples collected by SGN Eurlsys Service Corporation (SESC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by tile Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based oil measured sample volumes provided by SESC. Ammonia was determined to be above tile immediate notification limit of 150 ppm as specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank S-102 headspace, determined to be present at approximately 1.150% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <1.624% of the LFL, Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of tile analytical results are provided in Section 3.0.

Mitroshkov, A.V.; Evans, J.C.; Hayes, J.C. [and others

1997-09-01T23:59:59.000Z

203

Tank 241-BY-108 fifth temporal study: Headspace gas and vapor characterization results from samples collected on January 30, 1997. Tank vapor characterization project  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from tile headspace of waste storage tank 241-B-108 (Tank BY - 108) at the Hanford Site in Washington State. Tank headspace samples collected by SGN Eurisys Services Corporation (SESC) and analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by SESC. Ammonia was determined to be above the immediate notification limit of 150 ppm specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank BY-108 headspace, determined to be present at approximately 0.888% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <1.979% of tile LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Evans, J.C.; Pool, K.H.; Olsen, K.B. [and others

1997-09-01T23:59:59.000Z

204

Tank 241-C-107 fifth temporal study: Headspace gas and vapor characterization results from samples collected on February 7, 1997. Tank vapor characterization project  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-C-107 (Tank C-107) at the Hanford Site in Washington State. Tank headspace samples collected by SGN Eurisys Services Corporation (SESC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by SESC. No analytes were determined to be above the immediate notification limits specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank C-107 headspace, determined to be present at approximately 3.233% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <3.342% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Hayes, J.C.; Pool, K.H.; Evans, J.C. [and others

1997-08-01T23:59:59.000Z

205

Tank 241-BX-104 third temporal study: Headspace gas and vapor characterization results from samples collected on February 6, 1997. Tank vapor characterization project  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-BX-104 (Tank BX-104) at the Hanford Site in Washington State. Tank headspace samples collected by SGN Eurisys Service Corporation (SESC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by SESC. Ammonia was determined to be above the immediate notification limit specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank BX-104 headspace, determined to be present at approximately 0.178 % of its lower flammability limit (LFL). Total headspace flammability was estimated to be <0.458% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Evans, J.C.; Pool, K.H.; Hayes, J.C. [and others

1997-09-01T23:59:59.000Z

206

Tank vapor characterization project: Tank 241-BX-104 fifth temporal study: Headspace gas and vapor characterization results from samples collected on June 10, 1997  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-BX-104 (Tank BX-104) at the Hanford Site in Washington State. Tank headspace samples collected by SGN Eurisys Service Corporation (SESC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by SESC. Ammonia was determined to be above the immediate notification limit specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank BX-104 headspace, determined to be present at approximately 0.270% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <0.675% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Hayes, J.C.; Pool, K.H.; Evans, J.C.; Olsen, K.B. [and others

1997-07-01T23:59:59.000Z

207

Tank Vapor Characterization Project: Tank 241-S-102 fourth temporal study: Headspace gas and vapor characterization results from samples collected on December 19, 1996  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-S-102 (Tank S-102) at the Hanford Site in Washington State. Tank headspace samples collected by SGN Eurisys Service Corporation (SESC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by SESC. Ammonia was determined to be above the immediate notification limit of 150 ppm as specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank S-102 headspace, determined to be present at approximately 2.410% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <2.973% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <2.973% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Pool, K.H.; Evans, J.C.; Olsen, K.B.; Hayes, J.C. [and others

1997-08-01T23:59:59.000Z

208

Tank Vapor Characterization Project: Tank 241-C-107 fourth temporal study: Headspace gas and vapor characterization results from samples collected on December 17, 1996  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-C-107 (Tank C-107) at the Hanford Site in Washington State. Tank headspace samples collected by SGN Eurisys Service Corporation (SESC) and were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by SESC. No analytes were determined to be above the immediate notification limits specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank C-107 headspace, determined to be present at approximately 2.825% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <2.935% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Pool, K.H.; Evans, J.C.; Olsen, K.B.; Hayes, J.C. [and others

1997-08-01T23:59:59.000Z

209

Tank 241-BY-108 fourth temporal study: Headspace gas and vapor characterization results from samples collected on November 14, 1997. Tank vapor characterization project  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-BY-108 (Tank BY-108) at the Hanford Site in Washington State. Tank headspace samples collected by SGN Eurisys Service Corporation (SESC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected nonradioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by SESC. Ammonia was determined to be above the immediate notification limit of 150 ppm specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank BY-108 headspace, determined to be present at approximately 1.390% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <2.830% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Evans, J.C.; Pool, K.H.; Olsen, K.B. [and others

1997-07-01T23:59:59.000Z

210

Tank 241-BX-104 fourth temporal study: Headspace gas and vapor characterization results from samples collected on April 7, 1997. Tank vapor characterization project  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-BX-04 (Tank BX-104) at the Hanford Site in Washington State. Tank headspace samples collected by SGN Eurisys Service Corporation (SESC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by SESC. Ammonia was determined to be above the immediate notification limit specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank BX-104 headspace, determined to be present at approximately 0.208% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <0.536% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Mitroshkov, A.V.; Hayes, J.C.; Evans, J.C. [and others

1997-09-01T23:59:59.000Z

211

Tank Vapor Characterization Project: Tank 241-BX-103 headspace gas and vapor characterization results from samples collected on August 1, 1996  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from headspace of waste storage tank 241-BX-103 (Tank BX-103) at the Hanford Site in Washington State. Tank headspace samples collected by Westinghouse Hanford Company (WHC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by WHC. No analytes were determined to be above the immediate notification limits specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank BX-103 headspace, determined to be present at approximately 0.385% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <0.633% if the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Evans, J.C.; Pool, K.H.; Thomas, B.L.; Sklarew, D.S.; Edwards, J.A. [and others] [and others

1997-08-01T23:59:59.000Z

212

Tank Vapor Characterization Project: Tank 241-C-107 temporal study headspace gas and vapor characterization results from samples collected on September 5, 1996  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-C-107 at the Hanford Site in Washington State. Tank headspace samples collected by Westinghouse Hanford Company (WHC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by WHC. No analytes were determined to be above the immediate notification limits specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank C-107 headspace, determined to be present at approximately 1.405% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <1.519% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Pool, K.H.; Evans, J.C.; Thomas, B.L.; Edwards, J.A.; Silvers, K.L. [and others

1997-08-01T23:59:59.000Z

213

Tank vapor characterization project: Tank 241-S-102 temporal study headspace gas and vapor characterization results from samples collected on September 19, 1996  

DOE Green Energy (OSTI)

This report presents the results from analysis of samples taken from the headspace of waste storage tank 241-S-102 (Tank S-102) at the Hanford Site in Washington State. Tank headspace samples collected by Westinghouse Hanford Company (WHC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by WHC. Ammonia was determined to be above the immediate notification limit of 150 ppm as specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank S-102 headspace, determined to be present at approximately 2.948% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <3.659% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Tables S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Evans, J.C.; Pool, K.H.; Thomas, B.L.; Sklarew, D.S. [and others

1997-08-01T23:59:59.000Z

214

Tank Vapor Characterization Project: Tank 241-BX-104 second temporal study headspace gas and vapor characterization results from samples collected on December 12, 1996  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-BX-104 (Tank BX-104) at the Hanford Site in Washington State. Tank headspace samples collected by SGN Eurisys Service Corporation (SESC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample provided by SESC. Ammonia was determined to be above the immediate notification limit specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank BX-104 headspace, determined to be present at approximately 0.248% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <0.645% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Pool, K.H.; Evans, J.C.; Hayes, J.C.; Olsen, K.B. [and others

1997-08-01T23:59:59.000Z

215

Flux lattices reformulated  

E-Print Network (OSTI)

We theoretically explore the optical flux lattices produced for ultra-cold atoms subject to laser fields where both the atom-light coupling and the effective detuning are spatially periodic. We analyze the geometric vector potential and the magnetic flux it generates, as well as the accompanying geometric scalar potential. We show how to understand the gauge-dependent Aharonov-Bohm singularities in the vector potential, and calculate the continuous magnetic flux through the elementary cell in terms of these singularities. The analysis is illustrated with a square optical flux lattice. We conclude with an explicit laser configuration yielding such a lattice using a set of five properly chosen beams with two counterpropagating pairs (one along the x axes and the other y axes), together with a single beam along the z axis. We show that this lattice is not phase-stable, and identify the one phase-difference that affects the magnetic flux. Thus armed with realistic laser setup, we directly compute the Chern number...

Juzeli?nas, G

2012-01-01T23:59:59.000Z

216

Tank Vapor Characterization Project: Tank 241-BY-108 temporal study headspace gas and vapor characterization results from samples collected on September 10, 1996  

DOE Green Energy (OSTI)

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-BY-108 (Tank BY-108) at the Hanford Company (WHC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by WHC. Ammonia was determined to be above the immediate notification limit of 150 ppm specified by the sampling and analysis plan (SAP). Hydrogen was the principal flammable constituent of the Tank BY-108 headspace, determined to be present at approximately 1.463% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <2.940% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Evans, J.C.; Pool, K.H.; Thomas, B.L.; Sklarew, D.S. [and others

1997-08-01T23:59:59.000Z

217

Optical heat flux gauge  

DOE Patents (OSTI)

A heat flux gauge comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator. The gauge may be mounted on a surface with the first thermographic phosphor in contact with the surface. A light source is directed at the gauge, causing the phosphors to luminesce. The luminescence produced by the phosphors is collected and its spectra analyzed in order to determine the heat flux on the surface. First and second phosphor layers must be different materials to assure that the spectral lines collected will be distinguishable. 9 figs.

Noel, B.W.; Borella, H.M.; Cates, M.R.; Turley, W.D.; MacArthur, C.D.; Cala, G.C.

1989-06-07T23:59:59.000Z

218

Mapping Heat Flux  

Science Conference Proceedings (OSTI)

An infrared camera technique designed for remote sensing of airwater heat flux has been developed. The technique uses the differential absorption of water between 3.817 and 4.514 microns. This difference causes each channels radiance to ...

Walt McKeown; Richard Leighton

1999-01-01T23:59:59.000Z

219

Remote Sensing and Sea-Truth Measurements of Methane Flux to the Atmosphere (HYFLUX project)  

Science Conference Proceedings (OSTI)

A multi-disciplinary investigation of distribution and magnitude of methane fluxes from seafloor gas hydrate deposits in the Gulf of Mexico was conducted based on results obtained from satellite synthetic aperture radar (SAR) remote sensing and from sampling conducted during a research expedition to three sites where gas hydrate occurs (MC118, GC600, and GC185). Samples of sediments, water, and air were collected from the ship and from an ROV submersible using sediments cores, niskin bottles attached to the ROV and to a rosette, and an automated sea-air interface collector. The SAR images were used to quantify the magnitude and distribution of natural oil and gas seeps that produced perennial oil slicks on the ocean surface. A total of 176 SAR images were processed using a texture classifying neural network algorithm, which segmented the ocean surface into oil-free and oil-covered water. Geostatistical analysis indicates that there are a total of 1081 seep formations distributed over the entire Gulf of Mexico basin. Oil-covered water comprised an average of 780.0 sq. km (sd 86.03) distributed with an area of 147,370 sq. km. Persistent oil and gas seeps were also detected with SAR sampling on other ocean margins located in the Black Sea, western coast of Africa, and offshore Pakistan. Analysis of sediment cores from all three sites show profiles of sulfate, sulfide, calcium and alkalinity that indicated anaerobic oxidation of methane with precipitation of authigenic carbonates. Difference among the three sampling sites may reflect the relative magnitude of methane flux. Methane concentrations in water column samples collected by ROV and rosette deployments from MC118 ranged from {approx}33,000 nM at the seafloor to {approx}12 nM in the mixed layer with isolated peaks up to {approx}13,670 nM coincident with the top of the gas hydrate stability field. Average plume methane, ethane, and propane concentrations in the mixed layer are 7, 630, and 9,540 times saturation, respectively. Based on the contemporaneous wind speeds at this site, contemporary estimates of the diffusive fluxes from the mixed layer to the atmosphere for methane, ethane, and propane are 26.5, 2.10, and 2.78 {micro}mol/m{sup 2}d, respectively. Continuous measurements of air and sea surface concentrations of methane were made to obtain high spatial and temporal resolution of the diffusive net sea-to-air fluxes. The atmospheric methane fluctuated between 1.70 ppm and 2.40 ppm during the entire cruise except for high concentrations (up to 4.01 ppm) sampled during the end of the occupation of GC600 and the transit between GC600 and GC185. Results from interpolations within the survey areas show the daily methane fluxes to the atmosphere at the three sites range from 0.744 to 300 mol d-1. Considering that the majority of seeps in the GOM are deep (>500 m), elevated CH{sub 4} concentrations in near-surface waters resulting from bubble-mediated CH4 transport in the water column are expected to be widespread in the Gulf of Mexico.

Ian MacDonald

2011-05-31T23:59:59.000Z

220

Direct Estimation of Heat Flux in a Seasonal Thermocline  

Science Conference Proceedings (OSTI)

This paper reports on a direct measurement of the turbulent heat flux. The sampling was from a submarine that used a conventional airfoil probe to measure the vertical component of turbulent velocity and a thermistor probe to measure the ...

Hidekatsu Yamazaki; Thomas Osborn

1993-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "gas flux sampling" 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

Boosted Fast Flux Loop Alternative Cooling Assessment  

Science Conference Proceedings (OSTI)

The Gas Test Loop (GTL) Project was instituted to develop the means for conducting fast neutron irradiation tests in a domestic radiation facility. It made use of booster fuel to achieve the high neutron flux, a hafnium thermal neutron absorber to attain the high fast-to-thermal flux ratio, a mixed gas temperature control system for maintaining experiment temperatures, and a compressed gas cooling system to remove heat from the experiment capsules and the hafnium thermal neutron absorber. This GTL system was determined to provide a fast (E > 0.1 MeV) flux greater than 1.0E+15 n/cm2-s with a fast-to-thermal flux ratio in the vicinity of 40. However, the estimated system acquisition cost from earlier studies was deemed to be high. That cost was strongly influenced by the compressed gas cooling system for experiment heat removal. Designers were challenged to find a less expensive way to achieve the required cooling. This report documents the results of the investigation leading to an alternatively cooled configuration, referred to now as the Boosted Fast Flux Loop (BFFL). This configuration relies on a composite material comprised of hafnium aluminide (Al3Hf) in an aluminum matrix to transfer heat from the experiment to pressurized water cooling channels while at the same time providing absorption of thermal neutrons. Investigations into the performance this configuration might achieve showed that it should perform at least as well as its gas-cooled predecessor. Physics calculations indicated that the fast neutron flux averaged over the central 40 cm (16 inches) relative to ATR core mid-plane in irradiation spaces would be about 1.04E+15 n/cm2-s. The fast-to-thermal flux ratio would be in excess of 40. Further, the particular configuration of cooling channels was relatively unimportant compared with the total amount of water in the apparatus in determining performance. Thermal analyses conducted on a candidate configuration showed the design of the water coolant and Al-Hf alloy heat sink system is capable of maintaining all system components below their maximum temperature limits. The maximum temperature of this conduction cooling system, 224.2C (435.6 F) occurs in a small, localized region in the heat sink structure near the core mid-plane. The total coolant flow rate requirement for this configuration is 207 L/min (54.7 gpm). The calculated Flow Instability Ratio and Departure from Nucleate Boiling Ratio for this configuration under nominal conditions are 6.5 and 8.0, respectively, which safely exceed the minimum values of 2.0. Materials and fabrication issues inspection revealed that the neutron absorber would probably best be made from powdered Al3Hf mixed with aluminum powder and extruded or hot isostatically pressed. Although Al3Hf has not been specifically studied extensively, its mechanical and chemical properties should be very much like Al3Zr, which has been studied. Its behavior under irradiation should be very satisfactory, and resistance to corrosion will be investigated to a limited extent in planned miniplate irradiation tests in ATR. Pressurized water systems needed to effect heat removal are already available in the ATR complex, and mixed gas temperature control systems needed to trim experiment temperatures have been engineered and need only be fabricated and installed. In sum, it appears the alternately cooled configuration arrived at can be very successful. The cost estimate for this configuration indicates to

Glen R. Longhurst; Donna Post Guillen; James R. Parry; Douglas L. Porter; Bruce W. Wallace

2007-08-01T23:59:59.000Z

222

Sampling Soil  

INL has developed a method for sampling soil to determine the presence of extremely fine particles such as absorbents.

223

Evaluating greenhouse gas emissions from hydropower complexes on large rivers in Eastern Washington  

Science Conference Proceedings (OSTI)

Water bodies, such as freshwater lakes, are known to be net emitters of carbon dioxide (CO2), and methane (CH4). In recent years, significant greenhouse gas (GHG) emissions from tropical, boreal, and mid-latitude reservoirs have been reported. At a time when hydropower is increasing worldwide, better understanding of seasonal and regional variation in GHG emissions is needed in order to develop a predictive understanding of such fluxes within man-made impoundments. We examined power-producing dam complexes within xeric temperate locations in the northwestern United States. Sampling environments on the Snake (Lower Monumental Dam Complex) and Columbia Rivers (Priest Rapids Dam Complex) included tributary, mainstem, embayment, forebay, and tailrace areas during winter and summer 2012. At each sampling location, GHG measurement pathways included surface gas flux, degassing as water passed through dams during power generation, ebullition within littoral embayments, and direct sampling of hyporheic pore-water. Measurements were also carried out in a free-flowing reach of the Columbia River to estimate unaltered conditions. Surface flux resulted in very low emissions, with reservoirs acting as a sink for CO2 (up to 262 mg m-2 d-1, which is within the range previously reported for similarly located reservoirs). Surface flux of methane remained below 1 mg CH4 m-2d-1, a value well below fluxes reported previously for temperate reservoirs. Water passing through hydroelectric projects acted as a sink for CO2 during winter and a small source during summer, with mean degassing fluxes of 117 and 4.5 t CO2 d-1, respectively. Degassing of CH4 was minimal, with mean fluxes of 3.1 10-6 and 5.6 10-4 t CH4 d-1 during winter and summer, respectively. Gas flux due to ebullition was greater in coves located within reservoirs than in coves within the free flowing Hanford Reachand CH4 flux exceeded that of CO2. Methane emissions varied widely across sampling locations, ranging from 10.5 to 1039 mg CH4 m-2 d-1, with mean fluxes of 324 mg CH4 m-2 d-1in Lower Monumental Dam reservoir and 482 mg CH4 m-2d-1 in the Priest Rapids Dam reservoir. The magnitude of methane flux due to ebullition was unexpectedly high, and falls within the range recently reported for other temperate reservoirs around the world, further suggesting that this methane source should be considered in estimates of global greenhouse gas emissions. Methane flux from sediment pore-water within littoral embayments averaged 4.2 mg m-2 d-1 during winter and 8.1 mg m-2 d-1 during summer, with a peak flux of 19.8 mg m-2d-1 (at the same location where CH4 ebullition was also the greatest). Carbon dioxide flux from sediment pore-water averaged approximately 80 mg m-2d-1 with little difference between winter and summer. Similar to emissions from ebullition, flux from sediment pore-water was higher in reservoirs than in the free flowing reach.

Arntzen, Evan V.; Miller, Benjamin L.; O'Toole, Amanda C.; Niehus, Sara E.; Richmond, Marshall C.

2013-03-15T23:59:59.000Z

224

High flux reactor  

DOE Patents (OSTI)

A high flux reactor is comprised of a core which is divided into two symetric segments housed in a pressure vessel. The core segments include at least one radial fuel plate. The spacing between the plates functions as a coolant flow channel. The core segments are spaced axially apart such that a coolant mixing plenum is formed between them. A channel is provided such that a portion of the coolant bypasses the first core section and goes directly into the mixing plenum. The outlet coolant from the first core segment is mixed with the bypass coolant resulting in a lower inlet temperature to the lower core segment.

Lake, James A. (Idaho Falls, ID); Heath, Russell L. (Idaho Falls, ID); Liebenthal, John L. (Idaho Falls, ID); DeBoisblanc, Deslonde R. (Summit, NJ); Leyse, Carl F. (Idaho Falls, ID); Parsons, Kent (Idaho Falls, ID); Ryskamp, John M. (Idaho Falls, ID); Wadkins, Robert P. (Idaho Falls, ID); Harker, Yale D. (Idaho Falls, ID); Fillmore, Gary N. (Idaho Falls, ID); Oh, Chang H. (Idaho Falls, ID)

1988-01-01T23:59:59.000Z

225

Electroslag remelting with used fluxes  

Science Conference Proceedings (OSTI)

The Ukranian Scientific-Research Institute of Specialty Steel collaborated with plants engaged in the production of quality metals to introduce a low-waste electroslag remelting (ESR) technology employing used fluxes. It was established that the fluoride (type ANF-1) and fluoride-oxide (type ANF-6) fluxes which are widely used in ESR still have a high content of calcium fluoride and alumina and a low impurity content after 8-10 h of ESR. In the ESR of steels with used fluxes, the content of monitored components in the final slags changes negligibly, while the content of most impurities decreases. The used flux is also characterized by a low concentration of phosphorus and sulfur. It was found that flux can be used 3-5 times when it makes up 50% of the flux mixture in the charge. The savings realized from the use of spent flux in ESR amounts to 4-9 rubles/ton steel.

Yakovlev, N.F.; Sokha, Yu.S.; Oleinik, Yu.S.; Prokhorov, A.N.; Ol'shanskaya, T.V.

1988-05-01T23:59:59.000Z

226

Controls on Gas Hydrate Formation and Dissociation  

SciTech Connect

The main objectives of the project were to monitor, characterize, and quantify in situ the rates of formation and dissociation of methane hydrates at and near the seafloor in the northern Gulf of Mexico, with a focus on the Bush Hill seafloor hydrate mound; to record the linkages between physical and chemical parameters of the deposits over the course of one year, by emphasizing the response of the hydrate mound to temperature and chemical perturbations; and to document the seafloor and water column environmental impacts of hydrate formation and dissociation. For these, monitoring the dynamics of gas hydrate formation and dissociation was required. The objectives were achieved by an integrated field and laboratory scientific study, particularly by monitoring in situ formation and dissociation of the outcropping gas hydrate mound and of the associated gas-rich sediments. In addition to monitoring with the MOSQUITOs, fluid flow rates and temperature, continuously sampling in situ pore fluids for the chemistry, and imaging the hydrate mound, pore fluids from cores, peepers and gas hydrate samples from the mound were as well sampled and analyzed for chemical and isotopic compositions. In order to determine the impact of gas hydrate dissociation and/or methane venting across the seafloor on the ocean and atmosphere, the overlying seawater was sampled and thoroughly analyzed chemically and for methane C isotope ratios. At Bush hill the pore fluid chemistry varies significantly over short distances as well as within some of the specific sites monitored for 440 days, and gas venting is primarily focused. The pore fluid chemistry in the tub-warm and mussel shell fields clearly documented active gas hydrate and authigenic carbonate formation during the monitoring period. The advecting fluid is depleted in sulfate, Ca Mg, and Sr and is rich in methane; at the main vent sites the fluid is methane supersaturated, thus bubble plumes form. The subsurface hydrology exhibits both up-flow and down-flow of fluid at rates that range between 0.5 to 214 cm/yr and 2-162 cm/yr, respectively. The fluid flow system at the mound and background sites are coupled having opposite polarities that oscillate episodically between 14 days to {approx}4 months. Stability calculations suggest that despite bottom water temperature fluctuations, of up to {approx}3 C, the Bush Hill gas hydrate mound is presently stable, as also corroborated by the time-lapse video camera images that did not detect change in the gas hydrate mound. As long as methane (and other hydrocarbon) continues advecting at the observed rates the mound would remain stable. The {_}{sup 13}C-DIC data suggest that crude oil instead of methane serves as the primary electron-donor and metabolic substrate for anaerobic sulfate reduction. The oil-dominated environment at Bush Hill shields some of the methane bubbles from being oxidized both anaerobically in the sediment and aerobically in the water column. Consequently, the methane flux across the seafloor is higher at Bush hill than at non-oil rich seafloor gas hydrate regions, such as at Hydrate Ridge, Cascadia. The methane flux across the ocean/atmosphere interface is as well higher. Modeling the methane flux across this interface at three bubble plumes provides values that range from 180-2000 {_}mol/m{sup 2} day; extrapolating it over the Gulf of Mexico basin utilizing satellite data is in progress.

Miriam Kastner; Ian MacDonald

2006-03-03T23:59:59.000Z

227

CARBON DIOXIDE FLUXES IN A CENTRAL HARDWOODS OAK-HICKORY FOREST ECOSYSTEM  

SciTech Connect

A long-term experiment to measure carbon and water fluxes was initiated in 2004 as part of the Ameriflux network in a second-growth oak-hickory forest in central Missouri. Ecosystem-scale (~ 1 km2) canopy gas exchange (measured by eddy-covariance methods), vertical CO2 profile sampling and soil respiration along with meteorological parameters were monitored continuously. Early results from this forest located on the western margin of the Eastern Deciduous Forest indicated high peak rates of canopy CO2 uptake (35-40 ?mol m-2 s-1) during the growing season. Canopy CO2 profile measurements indicated substantial accumulation of CO2 (~500 ppm) near the surface in still air at night, venting of this buildup in the morning hours under radiation-induced turbulent air flow, and small vertical gradients of CO2 during most of the subsequent light period with minimum CO2 concentrations in the canopy. Flux of CO2 from the soil ranged from 2 to 8 ?mol m-2 s-1 and increased with temperature. Data from this site and others in the network will also allow characterization of regional spatial variation in carbon fluxes as well as inter-annual differences attributable to climatic events such as droughts.

Pallardy, Stephen G. [University of Missouri; Gu, Lianhong [ORNL; Hanson, Paul J [ORNL; Meyers, T. P. [NOAA ATDD; Wullschleger, Stan D [ORNL; Yang, Bai [ORNL; Hosman, K. P. [University of Missouri

2007-01-01T23:59:59.000Z

228

NETL: Oil & Natural Gas Technologies Reference Shelf - Presentation  

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

II: Subsurface sequestration of methane-derived carbon in gas-hydrate-bearing marine sediments HyFlux - Part II: Subsurface sequestration of methane-derived carbon in...

229

Anthrax Sampling  

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

Anthrax Anthrax Sampling and Decontamination: Technology Trade-Offs Phillip N. Price, Kristina Hamachi, Jennifer McWilliams, and Michael D. Sohn Environmental Energy Technologies Division Lawrence Berkeley National Laboratory Berkeley CA 94720 September 12, 2008 This work was supported by the Office of Science, Office of High Energy Physics, Homeland Security under the U.S. Department of Energy under Contract No. DE-AC02-05CH1123. Contents 1 Executive Summary 3 1.1 How much sampling is needed to decide if a building is safe? . . . . . . . 3 1.1.1 Sampling Nomogram . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2 How many characterization samples should be taken? . . . . . . . . . . . 7 1.3 What decontamination method should be used? . . . . . . . . . . . . . . . 7 1.4 Post-decontamination sampling . . . . . . . . . . . . . . . . . . . . . . . . 8 1.5 What are rules of thumb for cost and effort? . . . . . . . . . . . .

230

Development of a fuel-rod simulator and small-diameter thermocouples for high-temperature, high-heat-flux tests in the Gas-Cooled Fast Reactor Core Flow Test Loop  

SciTech Connect

The Core Flow Test Loop was constructed to perform many of the safety, core design, and mechanical interaction tests in support of the Gas-Cooled Fast Reactor (GCFR) using electrically heated fuel rod simulators (FRSs). Operation includes many off-normal or postulated accident sequences including transient, high-power, and high-temperature operation. The FRS was developed to survive: (1) hundreds of hours of operation at 200 W/cm/sup 2/, 1000/sup 0/C cladding temperature, and (2) 40 h at 40 W/cm/sup 2/, 1200/sup 0/C cladding temperature. Six 0.5-mm type K sheathed thermocouples were placed inside the FRS cladding to measure steady-state and transient temperatures through clad melting at 1370/sup 0/C.

McCulloch, R.W.; MacPherson, R.E.

1983-03-01T23:59:59.000Z

231

Residual gas analysis device  

SciTech Connect

A system is provided for testing the hermeticity of a package, such as a microelectromechanical systems package containing a sealed gas volume, with a sampling device that has the capability to isolate the package and breach the gas seal connected to a pulse valve that can controllably transmit small volumes down to 2 nanoliters to a gas chamber for analysis using gas chromatography/mass spectroscopy diagnostics.

Thornberg, Steven M. (Peralta, NM)

2012-07-31T23:59:59.000Z

232

Physics of String Flux Compactifications  

E-Print Network (OSTI)

We provide a qualitative review of flux compactifications of string theory, focusing on broad physical implications and statistical methods of analysis.

Frederik Denef; Michael R. Douglas; Shamit Kachru

2007-01-06T23:59:59.000Z

233

Sampling box  

DOE Patents (OSTI)

An air sampling box that uses a slidable filter tray and a removable filter cartridge to allow for the easy replacement of a filter which catches radioactive particles is disclosed.

Phillips, Terrance D. (617 Chestnut Ct., Aiken, SC 29803); Johnson, Craig (100 Midland Rd., Oak Ridge, TN 37831-0895)

2000-01-01T23:59:59.000Z

234

Normalizing AirSea Flux Coefficients for Horizontal Homogeneity, Stationarity, and Neutral Stratification  

Science Conference Proceedings (OSTI)

MoninObukhov similarity (MOS) theory is routinely applied over the ocean to describe surface layer profiles of wind speed, temperature, and gas concentrations. Using this theory, fluxes are in turn estimated based on the best available ...

G. L. Geernaert

2010-09-01T23:59:59.000Z

235

Hydrate Formation and Dissociation in Simulated and Field Samples  

E-Print Network (OSTI)

- High Flux Isotope Reactor (HFIR) Instrument Scientist: Ovidiu Garlea General Structure Analysis System3009-S3015 (2005) #12;Sample Handling 23 Special Thanks to the HFIR sample environment team: Chris

236

ARM - Measurement - Latent heat flux  

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

govMeasurementsLatent heat flux govMeasurementsLatent heat flux 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 : Latent heat flux The time rate of flow for the specific enthalpy difference between two phases of a substance at the same temperature, typically water. Categories Surface 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 CO2FLX : Carbon Dioxide Flux Measurement Systems ECOR : Eddy Correlation Flux Measurement System EBBR : Energy Balance Bowen Ratio Station

237

Solar proton fluxes since 1956  

SciTech Connect

The fluxes of protons emitted during solar flares since 1956 were evaluated. The depth-versus-activity profiles of /sup 56/Co in several lunar rocks are consistent with the solar-proton fluxes detected by experiments on several satellites. Only about 20% of the solar-proton-induced activities of /sup 22/Na and /sup 55/Fe in lunar rocks from early Apollo missions were produced by protons emitted from the sun during solar cycle 20 (1965--1975). The depth-versus-activity data for these radionuclides in several lunar rocks were used to determine the fluxes of protons during solar cycle 19 (1954--1964). The average proton fluxes for cycle 19 are about five times those for both the last million years and for cycle 20. These solar-proton flux variations correlate with changes in sunspot activity.

Reedy, R.C.

1977-04-13T23:59:59.000Z

238

ARM - Measurement - Sensible heat flux  

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

govMeasurementsSensible heat flux govMeasurementsSensible heat flux 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 : Sensible heat flux The time rate of flow for the energy transferred from a warm or hot surface to whatever is touching it, typically air. Categories Surface 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 CO2FLX : Carbon Dioxide Flux Measurement Systems ECOR : Eddy Correlation Flux Measurement System EBBR : Energy Balance Bowen Ratio Station

239

HAP sampling at Tidd PFBC  

SciTech Connect

The objective of this project was to sample process streams of the Tidd PFBC plant and to characterize the HAPs associated with those various process streams. The data are comparable to HAP data collected by DOE and EPRI studies at conventional coal-fired utility plants. Twelve sampling locations throughout Tidd PFBC plant were selected to characterize the HAPs in the plant cycle. Sampling was conducted at the input and output of the combustor, before and after the hot gas clean-up (HGCU) and before and after the electrostatic precipitator (ESP). Seven solid process streams were sampled including coal and sorbent to the PFBC unit and ash from the PFBC bed and ash collection devices. Service water which is mixed with the coal to make coal paste was the only liquid process stream sampled. The four gas stream samples collected were the inlets and outlets of the HGCU and ESP. Lists are presented for field sampling requirements for gas streams; coal sorbent, and service water; and ash samples. Lists of elements and compounds (inorganic, organic, and radioactive) are also included. The samples have been collected and are being analyzed.

Mudd, M.J.; Dal Porto, P.A.

1994-10-01T23:59:59.000Z

240

Novel Tube-in-Tube System Simplifies Subsurface Fluid Sampling ...  

* Builds on a proven methodology for retrieving uncontaminated fluid samples Applications and Industries * Carbon dioxide sequestration * Oil and gas exploration

Note: This page contains sample records for the topic "gas flux sampling" 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

Viscous sludge sample collector  

DOE Patents (OSTI)

A vertical core sample collection system for viscous sludge. A sample tube's upper end has a flange and is attached to a piston. The tube and piston are located in the upper end of a bore in a housing. The bore's lower end leads outside the housing and has an inwardly extending rim. Compressed gas, from a storage cylinder, is quickly introduced into the bore's upper end to rapidly accelerate the piston and tube down the bore. The lower end of the tube has a high sludge entering velocity to obtain a full-length sludge sample without disturbing strata detail. The tube's downward motion is stopped when its upper end flange impacts against the bore's lower end inwardly extending rim.

Beitel, George A. (Richland, WA)

1983-01-01T23:59:59.000Z

242

The boardman regional flux experiment  

SciTech Connect

A field campaign was carried out near Boardman, Oregon, to study the effects of subgrid-scale variability of sensible- and latent-heat fluxes on surface boundary-layer properties. The experiment involved three U.S. Department of Energy laboratories, one National Oceanic and Atmospheric Administration laboratory, and several universities. The experiment was conducted in a region of severe contrasts in adjacent surface types that accentuated the response of the atmosphere to variable surface forcing. Large values of sensible-heat flux and low values of latent-heat flux characterized a sagebrush steppe area; significantly smaller sensible-heat fluxes and much larger latent-heat fluxes were associated with extensive tracts of irrigated farmland to the north, east, and west of the steppe. Data were obtained from an array of surface flux stations, remote-sensing devices, an instrumented aircraft, and soil and vegetation measurements. The data will be used to address the problem of extrapolating from a limited number of local measurements to area-averaged values of fluxes suitable for use in global climate models. 16 refs., 13 figs.

Doran, J.C.; Hubbe, J.M.; Kirkham, R.R.; Shaw, W.J.; Whiteman, C.D. (Pacific Northwest Lab., Richland, WA (United States)); Barnes, F.J.; Cooper, D.; Porch, W. (Los Alamos National Lab., NM (United States)); Coulter, R.L.; Cook, D.R.

1992-11-01T23:59:59.000Z

243

ARM - Measurement - Soil heat flux  

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

heat flux heat flux 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 : Soil heat flux A quantity measured according to the formula B = {lambda}(dT/dz), where {lambda} is the conductivity of the soil that the heat is moving through. Categories Surface 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 CO2FLX : Carbon Dioxide Flux Measurement Systems EBBR : Energy Balance Bowen Ratio Station SEBS : Surface Energy Balance System External Instruments

244

Estimation of Surface Heat Flux  

Science Conference Proceedings (OSTI)

The authors reconsider the problem of estimating the sensible heat transfer at the earth's surface from direct measurements of turbulent fluxes in the atmospheric boundary layer. For simplicity, only horizontally homogeneous conditions are ...

Jielun Sun; Steven K. Esbensen; L. Mahrt

1995-09-01T23:59:59.000Z

245

ARM - Measurement - Soil moisture flux  

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

moisture flux moisture flux 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 : Soil moisture flux A quantity measured according to the formula B = {lambda}(dq/dz), where {lambda} is the conductivity of the soil that the moisture is moving through. Categories Surface 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 CO2FLX : Carbon Dioxide Flux Measurement Systems External Instruments ECMWFDIAG : European Centre for Medium Range Weather Forecasts

246

The Solar Wind Energy Flux  

E-Print Network (OSTI)

The solar-wind energy flux measured near the ecliptic is known to be independent of the solar-wind speed. Using plasma data from Helios, Ulysses, and Wind covering a large range of latitudes and time, we show that the solar-wind energy flux is independent of the solar-wind speed and latitude within 10%, and that this quantity varies weakly over the solar cycle. In other words the energy flux appears as a global solar constant. We also show that the very high speed solar-wind (VSW > 700 km/s) has the same mean energy flux as the slower wind (VSW solar-wind speed and density, which formalizes the anti-correlation between these quantities.

Chat, G Le; Meyer-Vernet, N

2012-01-01T23:59:59.000Z

247

Grid-Averaged Surface Fluxes  

Science Conference Proceedings (OSTI)

This study examines the inadequacies of formulations for surface fluxes for use in numerical models of atmospheric flow. The difficulty is that numerical models imply spatial averaging over each grid area. Existing formulations am based on the ...

L. Mahrt

1987-08-01T23:59:59.000Z

248

Strip casting with fluxing agent applied to casting roll  

DOE Patents (OSTI)

A strip caster (10) for producing a continuous strip (24) includes a tundish (12) for containing a melt (14), a pair of horizontally disposed water cooled casting rolls (22) and devices (29) for electrostatically coating the outer peripheral chill surfaces (44) of the casting rolls with a powder flux material (56). The casting rolls are juxtaposed relative to one another for forming a pouting basin (18) for receiving the melt through a teeming tube (16) thereby establishing a meniscus (20) between the rolls for forming the strip. The melt is protected from the outside air by a non-oxidizing gas passed through a supply line (28) to a sealing chamber (26). A preferred flux is boron oxide having a melting point of about 550.degree. C. The flux coating enhances wetting of the steel melt to the casting roll and dissolves any metal oxide formed on the roll.

Williams, Robert S. (Fairfield, OH); O' Malley, Ronald J. (Miamisburg, OH); Sussman, Richard C. (West Chester, OH)

1997-01-01T23:59:59.000Z

249

Strip casting with fluxing agent applied to casting roll  

DOE Patents (OSTI)

A strip caster for producing a continuous strip includes a tundish for containing a melt, a pair of horizontally disposed water cooled casting rolls and devices for electrostatically coating the outer peripheral chill surfaces of the casting rolls with a powder flux material. The casting rolls are juxtaposed relative to one another for forming a pouting basin for receiving the melt through a teeming tube thereby establishing a meniscus between the rolls for forming the strip. The melt is protected from the outside air by a non-oxidizing gas passed through a supply line to a sealing chamber. A preferred flux is boron oxide having a melting point of about 550 C. The flux coating enhances wetting of the steel melt to the casting roll and dissolves any metal oxide formed on the roll. 3 figs.

Williams, R.S.; O`Malley, R.J.; Sussman, R.C.

1997-07-29T23:59:59.000Z

250

Category:Field Sampling | Open Energy Information  

Open Energy Info (EERE)

Category Category Edit History Facebook icon Twitter icon » Category:Field Sampling Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Geothermalpower.jpg Looking for the Field Sampling page? For detailed information on Field Sampling as exploration techniques, click here. Category:Field Sampling Add.png Add a new Field Sampling Technique Subcategories This category has the following 2 subcategories, out of 2 total. G [×] Gas Sampling‎ 3 pages W [×] Water Sampling‎ 2 pages Pages in category "Field Sampling" The following 4 pages are in this category, out of 4 total. G Gas Sampling R Rock Sampling S Soil Sampling W Water Sampling Retrieved from "http://en.openei.org/w/index.php?title=Category:Field_Sampling&oldid=689818" Category: Field Techniques

251

Gas hydrate reservoir characteristics and economics  

SciTech Connect

The primary objective of the DOE-funded USGS Gas Hydrate Program is to assess the production characteristics and economic potential of gas hydrates in northern Alaska. The objectives of this project for FY-1992 will include the following: (1) Utilize industry seismic data to assess the distribution of gas hydrates within the nearshore Alaskan continental shelf between Harrison Bay and Prudhoe Bay; (2) Further characterize and quantify the well-log characteristics of gas hydrates; and (3) Establish gas monitoring stations over the Eileen fault zone in northern Alaska, which will be used to measure gas flux from destabilized hydrates.

Collett, T.S.; Bird, K.J.; Burruss, R.C.; Lee, Myung W.

1992-01-01T23:59:59.000Z

252

Gas hydrate reservoir characteristics and economics  

SciTech Connect

The primary objective of the DOE-funded USGS Gas Hydrate Program is to assess the production characteristics and economic potential of gas hydrates in northern Alaska. The objectives of this project for FY-1992 will include the following: (1) Utilize industry seismic data to assess the distribution of gas hydrates within the nearshore Alaskan continental shelf between Harrison Bay and Prudhoe Bay; (2) Further characterize and quantify the well-log characteristics of gas hydrates; and (3) Establish gas monitoring stations over the Eileen fault zone in northern Alaska, which will be used to measure gas flux from destabilized hydrates.

Collett, T.S.; Bird, K.J.; Burruss, R.C.; Lee, Myung W.

1992-06-01T23:59:59.000Z

253

Landfill gas generation and migration: Review of current research II  

DOE Green Energy (OSTI)

With regard to gas migration, a field investigation is examining bidirectional gas movement through landfill cover materials by processes of pressure and diffusional flow. The overall purpose of the study is to quantify gas loss from the landfill reservoir by natural venting and air influx due to pumping on recovery wells. Two field sites--a humid site, with vegetated clay cover and a semiarid site with unvegetated sandy silt cover--have been instrumented to examine vertical gas movement through cover materials. Results from the past year's work at the semiarid site indicates that rates of CH/sub 4/ flux out of the landfill surface may be as high as 2 /times/ 10/sup /minus/6/ g cm/sup /minus/2/ sec/sup /minus/1/ (6.3 /times/ 10/sup 2/ Kg m/sup /minus/1/ yr/sup /minus/1/) during dry soil conditions. Such high rates represent both the loss of an energy resource and a significance factor in global warming trends since atmospheric CH/sub 4/ contributes to the greenhouse effect. An independent estimate has suggested that 8--15% of global atmospheric CH/sub 4/ is attributable to landfill sources. The second project is addressing landfill gas generation. The major goal is to develop simple assay techniques to examine the gas production potential of landfilled refuse. Refuse samples extracted from various depths in a landfill are being subjected to Biochemical Methane Production (BMP) assays with periodic qualitative examination of microbial populations. Triplicate assays of unamended refuse (controls) are compared to assays with added moisture, nutrients, and bacterial seed. To date, moisture addition is the single most important variable in stimulating gas production, particularly in samples with visible soil content. 56 refs., 2 figs., 3 tabs.

Bogner, J.; Vogt, M.; Piorkowski, R.

1989-01-01T23:59:59.000Z

254

DISCONNECTING OPEN SOLAR MAGNETIC FLUX  

SciTech Connect

Disconnection of open magnetic flux by reconnection is required to balance the injection of open flux by coronal mass ejections and other eruptive events. Making use of recent advances in heliospheric background subtraction, we have imaged many abrupt disconnection events. These events produce dense plasma clouds whose distinctive shape can now be traced from the corona across the inner solar system via heliospheric imaging. The morphology of each initial event is characteristic of magnetic reconnection across a current sheet, and the newly disconnected flux takes the form of a 'U-'shaped loop that moves outward, accreting coronal and solar wind material. We analyzed one such event on 2008 December 18 as it formed and accelerated at 20 m s{sup -2} to 320 km s{sup -1}, thereafter expanding self-similarly until it exited our field of view 1.2 AU from the Sun. From acceleration and photometric mass estimates we derive the coronal magnetic field strength to be 8 {mu}T, 6 R{sub Sun} above the photosphere, and the entrained flux to be 1.6 Multiplication-Sign 10{sup 11} Wb (1.6 Multiplication-Sign 10{sup 19} Mx). We model the feature's propagation by balancing inferred magnetic tension force against accretion drag. This model is consistent with the feature's behavior and accepted solar wind parameters. By counting events over a 36 day window, we estimate a global event rate of 1 day{sup -1} and a global solar minimum unsigned flux disconnection rate of 6 Multiplication-Sign 10{sup 13} Wb yr{sup -1} (6 Multiplication-Sign 10{sup 21} Mx yr{sup -1}) by this mechanism. That rate corresponds to {approx} - 0.2 nT yr{sup -1} change in the radial heliospheric field at 1 AU, indicating that the mechanism is important to the heliospheric flux balance.

DeForest, C. E.; Howard, T. A.; McComas, D. J. [Southwest Research Institute, 1050 Walnut Street Suite 300, Boulder, CO 80302 (United States)

2012-01-20T23:59:59.000Z

255

High flux solar energy transformation  

DOE Patents (OSTI)

Disclosed are multi-stage systems for high flux transformation of solar energy allowing for uniform solar intensification by a factor of 60,000 suns or more. Preferred systems employ a focusing mirror as a primary concentrative device and a non-imaging concentrator as a secondary concentrative device with concentrative capacities of primary and secondary stages selected to provide for net solar flux intensification of greater than 2000 over 95 percent of the concentration area. Systems of the invention are readily applied as energy sources for laser pumping and in other photothermal energy utilization processes. 7 figures.

Winston, R.; Gleckman, P.L.; O' Gallagher, J.J.

1991-04-09T23:59:59.000Z

256

High flux solar energy transformation  

DOE Patents (OSTI)

Disclosed are multi-stage systems for high flux transformation of solar energy allowing for uniform solar intensification by a factor of 60,000 suns or more. Preferred systems employ a focusing mirror as a primary concentrative device and a non-imaging concentrator as a secondary concentrative device with concentrative capacities of primary and secondary stages selected to provide for net solar flux intensification of greater than 2000 over 95 percent of the concentration area. Systems of the invention are readily applied as energy sources for laser pumping and in other photothermal energy utilization processes.

Winston, Roland (Chicago, IL); Gleckman, Philip L. (Chicago, IL); O' Gallagher, Joseph J. (Flossmoor, IL)

1991-04-09T23:59:59.000Z

257

Drill string gas data  

DOE Green Energy (OSTI)

Data and supporting documentation were compiled and analyzed for 26 cases of gas grab samples taken during waste-tank core sampling activities between September 1, 1995 and December 31, 1997. These cases were tested against specific criteria to reduce uncertainties associated with in-tank sampling location and conditions. Of the 26 possible cases, 16 qualified as drill-string grab samples most likely to represent recently released waste gases. The data from these 16 ``confirmed`` cases were adjusted to remove non-waste gas contributions from core-sampling activities (argon or nitrogen purge), the atmospheric background, and laboratory sampler preparation (helium). The procedure for subtracting atmospheric, laboratory, and argon purge gases was unambiguous. No reliable method for determining the exact amount of nitrogen purge gas was established. Thus, the final set of ``Adjusted`` drill string gas data for the 6 nitrogen-purged cases had a greater degree of uncertainty than the final results for the 10 argon-purged cases. Including the appropriate amounts of uncertainty, this final set of data was added to the set of high-quality results from the Retained Gas Sampler (RGS), and good agreement was found for the N{sub 2}, H{sub 2}, and N{sub 2}O mole fractions sampled from common tanks. These results indicate that under favorable sampling conditions, Drill-String (DS) grab samples can provide reasonably accurate information about the dominant species of released gas. One conclusion from this set of total gas data is that the distribution of the H{sub 2} mole fractions is bimodal in shape, with an upper bound of 78%.

Siciliano, E.R.

1998-05-12T23:59:59.000Z

258

Preparation of gas selective membranes  

DOE Patents (OSTI)

Gas separation membranes which possess improved characteristics as exemplified by selectivity and flux may be prepared by coating a porous organic polymer support with a solution or emulsion of a plasticizer and an organic polymer, said coating being effected at subatmospheric pressures in order to increase the penetration depth of the coating material.

Kulprathipanja, S.; Kulkarni, S.S.; Funk, E.W.

1988-06-14T23:59:59.000Z

259

Evaluating the JULES Land Surface Model Energy Fluxes Using FLUXNET Data  

Science Conference Proceedings (OSTI)

Surface energy flux measurements from a sample of 10 flux network (FLUXNET) sites selected to represent a range of climate conditions and biome types were used to assess the performance of the Hadley Centre land surface model (Joint U.K. Land ...

Eleanor Blyth; John Gash; Amanda Lloyd; Matthew Pryor; Graham P. Weedon; Jim Shuttleworth

2010-04-01T23:59:59.000Z

260

Trapped-flux superconducting memory  

Science Conference Proceedings (OSTI)

A memory cell based on trapped flux in superconductors has been built and tested. The cell is constructed entirely by vacuum evaporation of thin films and can be selected by coincident current or by other techniques, with drive-current requirements less ...

J. W. Crowe

1957-10-01T23:59:59.000Z

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


261

The Boardman Regional Flux Experiment  

Science Conference Proceedings (OSTI)

A field campaign was carried out near Boardman, Oregon, to study the effects of subgrid-scale variability of sensible-and latent-heat fluxes on surface boundary-layer properties. The experiment involved three U.S. Department of Energy ...

J. C. Doran; J. M. Hubbe; R. R. Kirkham; W. J. Shaw; C. D. Whiteman; F. J. Barnes; D. Cooper; W. Porch; R. L. Coutler; D. R. Cook; R. L. Hart; W. Gao; T. J. Martin; J. D. Shannon; T. L. Crawford; D. D. Baldocchi; R. J. Dobosy; T. P. Meyers; L. Balick; W. A. Dugas; R. Hicks; L. Fritschen; L. Hipps; E. Swiatek; K. E. Kunkel

1992-11-01T23:59:59.000Z

262

The Antarctic Zone Flux Experiment  

Science Conference Proceedings (OSTI)

In winter the eastern Weddell Sea in the Atlantic sector of the Southern Ocean hosts some of the most dynamic air-ice-sea interactions found on earth. Sea ice in the region is kept relatively thin by heat flux from below, maintained by upper-...

M. G. McPhee; S. F. Ackley; P. Guest; T. P. Stanton; B. A. Huber; D. G. Martinson; J. H. Morison; R. D. Muench; L. Padman

1996-06-01T23:59:59.000Z

263

Superconducting flux flow digital circuits  

DOE Patents (OSTI)

A NOR/inverter logic gate circuit and a flip flop circuit implemented with superconducting flux flow transistors (SFFTs) are disclosed. Both circuits comprise two SFFTs with feedback lines. They have extremely low power dissipation, very high switching speeds, and the ability to interface between Josephson junction superconductor circuits and conventional microelectronics. 8 figs.

Hietala, V.M.; Martens, J.S.; Zipperian, T.E.

1995-02-14T23:59:59.000Z

264

Superconducting flux flow digital circuits  

DOE Patents (OSTI)

A NOR/inverter logic gate circuit and a flip flop circuit implemented with superconducting flux flow transistors (SFFTs). Both circuits comprise two SFFTs with feedback lines. They have extremely low power dissipation, very high switching speeds, and the ability to interface between Josephson junction superconductor circuits and conventional microelectronics.

Hietala, Vincent M. (Placitas, NM); Martens, Jon S. (Sunnyvale, CA); Zipperian, Thomas E. (Albuquerque, NM)

1995-01-01T23:59:59.000Z

265

Quantum Fusion of Domain Walls with Fluxes  

E-Print Network (OSTI)

We study how fluxes on the domain wall world volume modify quantum fusion of two distant parallel domain walls into a composite wall. The elementary wall fluxes can be separated into parallel and antiparallel components. The parallel component affects neither the binding energy nor the process of quantum merger. The antiparallel fluxes, instead, increase the binding energy and, against naive expectations, suppress quantum fusion. In the small flux limit we explicitly find the bounce solution and the fusion rate as a function of the flux. We argue that at large (antiparallel) fluxes there exists a critical value of the flux (versus the difference in the wall tensions), which switches off quantum fusion altogether. This phenomenon of flux-related wall stabilization is rather peculiar: it is unrelated to any conserved quantity. Our consideration of the flux-related all stabilization is based on substantiated arguments that fall short of complete proof.

S. Bolognesi; M. Shifman; M. B. Voloshin

2009-07-20T23:59:59.000Z

266

Estimating Gas Concentration of Coal Mines Based on ISGNN  

Science Conference Proceedings (OSTI)

Online detecting failure of gas sensors in mine wells is an important problem. A key step for solution of the problem is estimating sample values of detected gas sensor, according to sample values of other gas sensors. We propose a scheme based on ISGNN ... Keywords: Estimating gas concentration, Gas concentration modeling, Generating Neural Networks, ISGNN

Aiguo Li; Lina Song

2009-11-01T23:59:59.000Z

267

Solar Glare and Flux Mapping  

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

SGFMT Home SGFMT Home Register Glare Analysis Solar Glare Hazard Analysis SGHAT 1.0 (old) Empirical Glare Analysis Analytical Glare Analysis PHLUX Mapping Reflectivity Calculator References Contact Us Solar Glare and Flux Mapping Tools Measurement of reflected solar irradiance is receiving significant attention by industry, military, and government agencies to assess potential impacts of glint and glare from growing numbers of solar power installations around the world. In addition, characterization of the incident solar flux distribution on central receivers for concentrating solar power applications is important to monitor and maintain system performance. This website contains tools to evaluate solar glare and receiver irradiance. Register to access the tools Solar Glare Hazard Analysis Tool

268

Ruslands Gas.  

E-Print Network (OSTI)

??This paper is about Russian natural gas and the possibility for Russia to use its reserves of natural gas politically towards the European Union to (more)

Elkjr, Jonas Bondegaard

2009-01-01T23:59:59.000Z

269

September 2004 Water Sampling  

Office of Legacy Management (LM)

Natural Gas Analysis LMG-01 NA Gas Chromatography Carbon-14 and Tritium LMG-03 Combustion Liquid Scintillation Counting Data Qualifier Summary None of the analytical results...

270

Urban Cloud Condensation Nuclei Spectral Flux  

Science Conference Proceedings (OSTI)

The cloud condensation nuclei (CCN) spectral flux and the condensation nuclei (CN) flux from an urban area are determined from in situ aircraft measurements at Denver, Colorado. The concentration differences between upwind and downwind cross ...

Paul R. Frisbie; James G. Hudson

1993-04-01T23:59:59.000Z

271

When Are Eddy Tracer Fluxes Directed Downgradient?  

Science Conference Proceedings (OSTI)

The mechanisms controlling the direction of eddy tracer fluxes are examined using eddy-resolving isopycnic experiments for a cyclic zonal channel. Eddy fluxes are directed downgradient on average when either (i) there is a Lagrangian increase in ...

Chris Wilson; Richard G. Williams

2006-02-01T23:59:59.000Z

272

Gas heat transfer in a heated vertical channel under deteriorated turbulent heat transfer regime  

E-Print Network (OSTI)

Passive cooling via natural circulation of gas after a loss of coolant (LOCA) accident is one of the major goals of the Gas-cooled Fast Reactor (GFR). Due to its high surface heat flux and low coolant velocities under ...

Lee, Jeongik

2007-01-01T23:59:59.000Z

273

Gas Heat Transfer in a Heated Vertical Channel under Deteriorated Turbulent Heat Transfer Regime  

E-Print Network (OSTI)

Passive cooling via natural circulation of gas after a loss of coolant (LOCA) accident is one of the major goals of the Gas-cooled Fast Reactor (GFR). Due to its high surface heat flux and low coolant velocities under ...

Lee, Jeongik

274

High-flux solar photon processes  

DOE Green Energy (OSTI)

This study was commissioned by the National Renewable Energy Laboratory (NREL) for the purpose of identifying high-flux photoprocesses that would lead to beneficial national and commercial applications. The specific focus on high-flux photoprocesses is based on the recent development by NREL of solar concentrator technology capable of delivering record flux levels. We examined photolytic and photocatalytic chemical processes as well as photothermal processes in the search for processes where concentrated solar flux would offer a unique advantage. 37 refs.

Lorents, D C; Narang, S; Huestis, D C; Mooney, J L; Mill, T; Song, H K; Ventura, S [SRI International, Menlo Park, CA (United States)

1992-06-01T23:59:59.000Z

275

CRTF Real-Time Aperture Flux system  

SciTech Connect

The Real-Time Aperture Flux system (TRAF) is a test measurement system designed to determine the input power/unit area (flux density) during solar experiments conducted at the Central Receiver Test Facility, Sandia National Laboratories, Albuquerque, New Mexico. The RTAF is capable of using both thermal sensors and photon sensors to determine the flux densities in the RTAF measuring plane. These data are manipulated in various ways to derive input power and flux density distribution to solar experiments.

Davis, D.B.

1980-01-01T23:59:59.000Z

276

Maximizing Buoyancy Flux across Layered Geostrophic Sections  

Science Conference Proceedings (OSTI)

For layered analogues of the ocean stratification, the problem of maximizing buoyancy flux across a section with zero mass flux is considered. The two layer situation on an f-plane is particularly simple and it is shown that the buoyancy flux is ...

Nelson G. Hogg; Henry M. Stommel

1990-02-01T23:59:59.000Z

277

Modulating the Neutron Flux from a Mirror Neutron Source  

Science Conference Proceedings (OSTI)

A 14-MeV neutron source based on a Gas-Dynamic Trap will provide a high flux of 14 MeV neutrons for fusion materials and sub-component testing. In addition to its main goal, the source has potential applications in condensed matter physics and biophysics. In this report, the author considers adding one more capability to the GDT-based neutron source, the modulation of the neutron flux with a desired frequency. The modulation may be an enabling tool for the assessment of the role of non-steady-state effects in fusion devices as well as for high-precision, low-signal basic science experiments favoring the use of the synchronous detection technique. A conclusion is drawn that modulation frequency of up to 1 kHz and modulation amplitude of a few percent is achievable. Limitations on the amplitude of modulations at higher frequencies are discussed.

Ryutov, D D

2011-09-01T23:59:59.000Z

278

DIRECT MEASUREMENT OF WATER AND SOLUTE FLUXES USING A PASSIVE SURFACE WATER FLUX METER  

E-Print Network (OSTI)

DIRECT MEASUREMENT OF WATER AND SOLUTE FLUXES USING A PASSIVE SURFACE WATER FLUX METER J Surface Water Flux Meter (PSFM). Current techniques for estimating contaminant mass inputs to impaired flux meter, MS Thesis, UF. This work was supported by the United States Department of Agriculture

Watson, Craig A.

279

Chromo-Electric flux tubes  

E-Print Network (OSTI)

The profiles of the chromo-electric field generated by static quark-antiquark, $Q{\\bar Q}$ and three-quark, $QQQ$ sources are calculated in Coulomb gauge. Using a variational ansatz for the ground state, we show that a flux tube-like structure emerges and combines to the ``Y''-shape field profile for three static quarks. The properties of the chromo-electric field are, however, not expected to be the same as those of the full action density or the Wilson line and the differences are discussed.

Patrick O. Bowman; Adam P. Szczepaniak

2004-03-07T23:59:59.000Z

280

Structural and regulatory reform of the European natural gas market : does the current approach secure the public service obligations?.  

E-Print Network (OSTI)

??The European natural gas market is in a state of flux. In order to better secure the public service obligations supply security, competitiveness and (more)

Spanjer, Abdelkader Rainaldo

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "gas flux sampling" 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

Quantification of and Controls on Dinitrogen and Nitrous Oxide Fluxes from Terrestrial Ecosystems  

E-Print Network (OSTI)

and then 100 g was weighed into each sample jar (490 mL).The jars were sealed on viton gaskets with aluminum lidssepta for gas sampling. The jars were flushed with N 2 for

Yang, Wendy Hui-I

2010-01-01T23:59:59.000Z

282

Gas Permeation through Ultrathin Liquid Films Jianjun Li,, Heidrun Schuring, and Ralf Stannarius*,  

E-Print Network (OSTI)

Gas Permeation through Ultrathin Liquid Films Jianjun Li,, Heidrun Schu¨ring, and Ralf Stannarius measurements of gas permeation through ultrathin liquid layers. The gas flux penetrating nanometer thick free introduce a molecular model that considers sorption and diffusion of gas molecules in the liquid film

Stannarius, Ralf

283

Sample Environment Equipment Categories - ORNL Neutron Sciences  

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

Home › Instruments › Sample Environment Home › Instruments › Sample Environment Sample Environment: Categories of Equipment All Ancillary Equipment Auto Changer Closed Cycle Refrigerators Closed Cycle Refrigerators - Bottom Loading Closed Cycle Refrigerators - Top Loading Furnaces Gas Handling Gas Panel High Pressure Systems Liquid Helium Cryostats Magnet Systems Other Special Environments Sample Cell Sample Stick Ultra Low Temperature Devices Sample Environment: by Beam Line All BL-11A-POWGEN BL-11B-MANDI BL-12-TOPAZ BL-13-Fundamental Neutron Physics Beam Line BL-14A-BL-14A BL-14B-HYSPEC BL-15-Neutron Spin Echo (NSE) BL-16B-VISION BL-17-SEQUOIA BL-18-ARCS BL-1A-TOF-USANS BL-1B-NOMAD BL-2-BASIS BL-3-SNAP BL-4A-Magnetism Reflectometer BL-4B-Liquids Reflectometer BL-5-Cold Neutron Chopper Spectrometer (CNCS) BL-6-EQ-SANS

284

Strategies for Detecting Hidden Geothermal Systems by Near-Surface Gas Monitoring  

DOE Green Energy (OSTI)

''Hidden'' geothermal systems are those systems above which hydrothermal surface features (e.g., hot springs, fumaroles, elevated ground temperatures, hydrothermal alteration) are lacking. Emissions of moderate to low solubility gases (e.g., CO2, CH4, He) may be one of the primary near-surface signals from these systems. Detection of anomalous gas emissions related to hidden geothermal systems may therefore be an important tool to discover new geothermal resources. This study investigates the potential for CO2 detection and monitoring in the subsurface and above ground in the near-surface environment to serve as a tool to discover hidden geothermal systems. We focus the investigation on CO2 due to (1) its abundance in geothermal systems, (2) its moderate solubility in water, and (3) the wide range of technologies available to monitor CO2 in the near-surface environment. However, monitoring in the near-surface environment for CO2 derived from hidden geothermal reservoirs is complicated by the large variation in CO2 fluxes and concentrations arising from natural biological and hydrologic processes. In the near-surface environment, the flow and transport of CO2 at high concentrations will be controlled by its high density, low viscosity, and high solubility in water relative to air. Numerical simulations of CO2 migration show that CO2 concentrations can reach very high levels in the shallow subsurface even for relatively low geothermal source CO2 fluxes. However, once CO2 seeps out of the ground into the atmospheric surface layer, surface winds are effective at dispersing CO2 seepage. In natural ecological systems in the absence of geothermal gas emissions, near-surface CO2 fluxes and concentrations are primarily controlled by CO2 uptake by photosynthesis, production by root respiration, and microbial decomposition of soil/subsoil organic matter, groundwater degassing, and exchange with the atmosphere. Available technologies for monitoring CO2 in the near-surface environment include (1) the infrared gas analyzer (IRGA) for measurement of concentrations at point locations, (2) the accumulation chamber (AC) method for measuring soil CO2 fluxes at point locations, (3) the eddy covariance (EC) method for measuring net CO2 flux over a given area, (4) hyperspectral imaging of vegetative stress resulting from elevated CO2 concentrations, and (5) light detection and ranging (LIDAR) that can measure CO2 concentrations over an integrated path. Technologies currently in developmental stages that have the potential to be used for CO2 monitoring include tunable lasers for long distance integrated concentration measurements and micro-electronic mechanical systems (MEMS) that can make widespread point measurements. To address the challenge of detecting potentially small-magnitude geothermal CO2 emissions within the natural background variability of CO2, we propose an approach that integrates available detection and monitoring methodologies with statistical analysis and modeling strategies. Within the area targeted for geothermal exploration, point measurements of soil CO2 fluxes and concentrations using the AC method and a portable IRGA, respectively, and measurements of net surface flux using EC should be made. Also, the natural spatial and temporal variability of surface CO2 fluxes and subsurface CO2 concentrations should be quantified within a background area with similar geologic, climatic, and ecosystem characteristics to the area targeted for geothermal exploration. Statistical analyses of data collected from both areas should be used to guide sampling strategy, discern spatial patterns that may be indicative of geothermal CO2 emissions, and assess the presence (or absence) of geothermal CO2 within the natural background variability with a desired confidence level. Once measured CO2 concentrations and fluxes have been determined to be of anomalous geothermal origin with high confidence, more expensive vertical subsurface gas sampling and chemical and isotopic analyses can be undertaken. Integrated analysis of all measurements will d

Lewicki, Jennifer L.; Oldenburg, Curtis M.

2004-12-15T23:59:59.000Z

285

Gas purification  

SciTech Connect

Natural gas having a high carbon dioxide content is contacted with sea water in an absorber at or near the bottom of the ocean to produce a purified natural gas.

Cook, C.F.; Hays, G.E.

1982-03-30T23:59:59.000Z

286

Natural Gas  

U.S. Energy Information Administration (EIA)

Natural Gas. Under the baseline winter weather scenario, EIA expects end-of-October working gas inventories will total 3,830 billion cubic feet (Bcf) and end March ...

287

AN ESTIMATE OF THE DETECTABILITY OF RISING FLUX TUBES  

SciTech Connect

The physics of the formation of magnetic active regions (ARs) is one of the most important problems in solar physics. One main class of theories suggests that ARs are the result of magnetic flux that rises from the tachocline. Time-distance helioseismology, which is based on measurements of wave propagation, promises to allow the study of the subsurface behavior of this magnetic flux. Here, we use a model for a buoyant magnetic flux concentration together with the ray approximation to show that the dominant effect on the wave propagation is expected to be from the roughly 100 m s{sup -1} retrograde flow associated with the rising flux. Using a B-spline-based method for carrying out inversions of wave travel times for flows in spherical geometry, we show that at 3 days before emergence the detection of this retrograde flow at a depth of 30 Mm should be possible with a signal-to-noise level of about 8 with a sample of 150 emerging ARs.

Birch, A. C.; Braun, D. C. [NWRA, CoRA Division, 3380 Mitchell Lane, Boulder, CO 80301 (United States); Fan, Y., E-mail: aaronb@cora.nwra.co [High Altitude Observatory, National Center for Atmospheric Research, P.O. Box 3000, Boulder, CO 80307 (United States)

2010-11-10T23:59:59.000Z

288

NETL: Oil & Natural Gas Technologies Reference Shelf - Presentation...  

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

Low Temperature X-ray Diffraction Study of Natural Gas Hydrate Samples from the Gulf of Mexico Low Temperature X-ray Diffraction Study of Natural Gas Hydrate Samples from the Gulf...

289

Gas Week  

Reports and Publications (EIA)

Presented by: Guy F. Caruso, EIA AdministratorPresented to: Gas WeekHouston, TexasSeptember 24, 2003

Information Center

2003-09-24T23:59:59.000Z

290

James W. Sample  

Science Conference Proceedings (OSTI)

... California. The Utility generates revenues mainly through the sale and delivery of electricity and natural gas to customers. The ...

2013-04-10T23:59:59.000Z

291

Waste tank headspace gas and vapor characterization reference guide  

SciTech Connect

This document is to serve as a reference guide for gas and vapor sample results presented in tank characterization reports. It describes sampling equipment, devices, and protocols, and sample collection and analysis methods common to all vapor samples.

Huckaby, J.L.

1995-06-01T23:59:59.000Z

292

Fluid sampling system for a nuclear reactor  

DOE Patents (OSTI)

A system of extracting fluid samples, either liquid or gas, from the interior of a nuclear reactor containment utilizes a jet pump. To extract the sample fluid, a nonradioactive motive fluid is forced through the inlet and discharge ports of a jet pump located outside the containment, creating a suction that draws the sample fluid from the containment through a sample conduit connected to the pump suction port. The mixture of motive fluid and sample fluid is discharged through a return conduit to the interior of the containment. The jet pump and means for removing a portion of the sample fluid from the sample conduit can be located in a shielded sample grab station located next to the containment. A non-nuclear grade active pump can be located outside the grab sampling station and the containment to pump the nonradioactive motive fluid through the jet pump. 1 fig.

Lau, L.K.; Alper, N.I.

1994-11-22T23:59:59.000Z

293

Downhole Fluid Sampling | Open Energy Information  

Open Energy Info (EERE)

Downhole Fluid Sampling Downhole Fluid Sampling Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Downhole Fluid Sampling Details Activities (0) Areas (0) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Well Testing Techniques Parent Exploration Technique: Well Testing Techniques Information Provided by Technique Lithology: Stratigraphic/Structural: Hydrological: Water composition and source of fluids. Gas composition and source of fluids. Thermal: Water temperature. Distinguish magmatic/mantle heat inputs. Can be used to estimate reservoir fluid temperatures. Dictionary.png Downhole Fluid Sampling: Downhole fluid sampling is done to characterize the chemical, thermal, or hydrological properties of a surface or subsurface aqueous system. Downhole

294

Greenhouse Gas Abatement with Distributed Generation in California's Commercial Buildings  

E-Print Network (OSTI)

year normalized weather sample; containing simulated hourly estimates of end-use electricity and natural gas consumption

Marnay, Chris

2010-01-01T23:59:59.000Z

295

Atmospheric neutrino flux at INO site  

Science Conference Proceedings (OSTI)

To illustrate the calculation of the atmospheric neutrino flux, we briefly explain our calculation scheme and important components, such as primary cosmic ray spectra, interaction model, and geomagnetic model. Then, we calculate the atmospheric neutrino flux at INO site in our calculation scheme. We compare the calculated atmospheric neutrino fluxes predicted at INO with those at other major neutrino detector sites, especially that at SK site.

Honda, Morihiro [Institute for Cosmic Ray Research, University of Tokyo, 5-1-5 Kashiwa-no-ha, Kashiwa, Chiba 277-8582 (Japan)

2011-11-23T23:59:59.000Z

296

Acceptance sampling methods for sample results verification  

SciTech Connect

This report proposes a statistical sampling method for use during the sample results verification portion of the validation of data packages. In particular, this method was derived specifically for the validation of data packages for metals target analyte analysis performed under United States Environmental Protection Agency Contract Laboratory Program protocols, where sample results verification can be quite time consuming. The purpose of such a statistical method is to provide options in addition to the ``all or nothing`` options that currently exist for sample results verification. The proposed method allows the amount of data validated during the sample results verification process to be based on a balance between risks and the cost of inspection.

Jesse, C.A.

1993-06-01T23:59:59.000Z

297

Predicting Low Flux High - Programmaster.org  

Science Conference Proceedings (OSTI)

High flux can access high fluence, but such TTS data is under-predicted by current ... on Defect Migration and Void Formation using the Phase Field Method.

298

Flux: for brass quintet with analysis.  

E-Print Network (OSTI)

??This paper will examine the piece Flux: for Brass Quintet, completed in the spring of 2010 by Robert DeVet. It will first examine the system (more)

Devet, Robert

2010-01-01T23:59:59.000Z

299

On solar neutrino fluxes in radiochemical experiments  

E-Print Network (OSTI)

We analyze fluctuations of the solar neutrino flux using data from the Homestake, GALLEX, GNO, SAGE and Super Kamiokande experiments. Spectral analysis and direct quantitative estimations show that the most stable variation of the solar neutrino flux is a quasi-five-year periodicity. The revised values of the mean solar neutrino flux are presented in Table 4. They were used to estimate the observed pp-flux of the solar electron neutrinos near the Earth. We consider two alternative explanations for the origin of a variable component of the solar neutrino deficit.

R. N. Ikhsanov; Yu. N. Gnedin; E. V. Miletsky

2005-12-08T23:59:59.000Z

300

Vector Representation of Trade Cumulus Thermodynamic Fluxes  

Science Conference Proceedings (OSTI)

A vector representation of the BOMEX thermodynamic budget data is presented which shows graphically the relationship of the fluxes and the mean layer structure.

Alan K. Betts

1985-12-01T23:59:59.000Z

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


301

HFIR | High Flux Isotope Reactor | ORNL  

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

HFIR Working with HFIR Neutron imaging offers new tools for exploring artifacts and ancient technology Home | User Facilities | HFIR HFIR | High Flux Isotope Reactor SHARE The High...

302

Tennessee Natural Gas Number of Gas and Gas Condensate Wells...  

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

Gas and Gas Condensate Wells (Number of Elements) Tennessee Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

303

Virginia Natural Gas Number of Gas and Gas Condensate Wells ...  

Gasoline and Diesel Fuel Update (EIA)

Gas and Gas Condensate Wells (Number of Elements) Virginia Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

304

Arkansas Natural Gas Number of Gas and Gas Condensate Wells ...  

Gasoline and Diesel Fuel Update (EIA)

Gas and Gas Condensate Wells (Number of Elements) Arkansas Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

305

Oklahoma Natural Gas Number of Gas and Gas Condensate Wells ...  

Gasoline and Diesel Fuel Update (EIA)

Gas and Gas Condensate Wells (Number of Elements) Oklahoma Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

306

Louisiana Natural Gas Number of Gas and Gas Condensate Wells...  

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

Gas and Gas Condensate Wells (Number of Elements) Louisiana Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

307

Maryland Natural Gas Number of Gas and Gas Condensate Wells ...  

Annual Energy Outlook 2012 (EIA)

Gas and Gas Condensate Wells (Number of Elements) Maryland Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

308

Kentucky Natural Gas Number of Gas and Gas Condensate Wells ...  

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

Gas and Gas Condensate Wells (Number of Elements) Kentucky Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

309

Pennsylvania Natural Gas Number of Gas and Gas Condensate Wells...  

Gasoline and Diesel Fuel Update (EIA)

Gas and Gas Condensate Wells (Number of Elements) Pennsylvania Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4...

310

Michigan Natural Gas Number of Gas and Gas Condensate Wells ...  

Annual Energy Outlook 2012 (EIA)

Gas and Gas Condensate Wells (Number of Elements) Michigan Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

311

Colorado Natural Gas Number of Gas and Gas Condensate Wells ...  

Gasoline and Diesel Fuel Update (EIA)

Gas and Gas Condensate Wells (Number of Elements) Colorado Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5...

312

Molten Metal Treatment by Salt Fluxing with Low Environmental Emissions  

SciTech Connect

Abstract: Chlorine gas is traditionally used for fluxing of aluminum melt for removal of alkali and alkaline earth elements. However this results in undesirable emissions of particulate matter and gases such as HCl and chlorine, which are often at unacceptable levels. Additionally, chlorine gas is highly toxic and its handling, storage, and use pose risks to employees and the local community. Holding of even minimal amounts of chlorine necessitates extensive training for all plant employees. Fugitive emissions from chlorine usage within the plant cause accelerated corrosion of plant equipment. The Secondary Aluminum Maximum Achievable Control Technology (MACT) under the Clean Air Act, finalized in March 2000 has set very tough new limits on particulate matter (PM) and total hydrogen chloride emissions from aluminum melting and holding furnaces. These limits are 0.4 and 0.1 lbs per ton of aluminum for hydrogen chloride and particulate emissions, respectively. Assuming new technologies for meeting these limits can be found, additional requirements under the Clean Air Act (Prevention of Significant Deterioration and New Source Review) trigger Best Available Control Technology (BACT) for new sources with annual emissions (net emissions not expressed per ton of production) over specified amounts. BACT currently is lime coated bag-houses for control of particulate and HCl emissions. These controls are expensive, difficult to operate and maintain, and result in reduced American competitiveness in the global economy. Solid salt fluxing is emerging as a viable option for the replacement of chlorine gas fluxing, provided emissions can be consistently maintained below the required levels. This project was a cooperative effort between the Ohio State University and Alcoa to investigate and optimize the effects of solid chloride flux addition in molten metal for alkali impurity and non-metallic inclusion removal minimizing dust and toxic emissions and maximizing energy conservation. In this program, the salt metal interactions were studies and the emissions at laboratory scale at OSU were monitored. The goal of the project was to obtain a fundamental understanding, based on first principles, of the pollutant formation that occurs when the salts are used in furnaces. This information will be used to control process parameters so that emissions are consistently below the required levels. The information obtained in these experiments will be used in industrial furnaces at aluminum plants and which will help in optimizing the process.

Yogeshwar Sahai

2007-07-31T23:59:59.000Z

313

Gas flux and carbonate occurrence at a shallow seep of thermogenic natural gas  

E-Print Network (OSTI)

dioxide, ethane, propane, and butane. Hydrocarbon seeps havemethane, ethane, propane and butane. Geochim Cosmochim Acta

2010-01-01T23:59:59.000Z

314

Comparison of the high temperature heat flux sensor to traditional heat flux gages under high heat flux conditions.  

SciTech Connect

Four types of heat flux gages (Gardon, Schmidt-Boelter, Directional Flame Temperature, and High Temperature Heat Flux Sensor) were assessed and compared under flux conditions ranging between 100-1000 kW/m2, such as those seen in hydrocarbon fire or propellant fire conditions. Short duration step and pulse boundary conditions were imposed using a six-panel cylindrical array of high-temperature tungsten lamps. Overall, agreement between all gages was acceptable for the pulse tests and also for the step tests. However, repeated tests with the HTHFS with relatively long durations at temperatures approaching 1000%C2%B0C showed a substantial decrease (10-25%) in heat flux subsequent to the initial test, likely due to the mounting technique. New HTHFS gages have been ordered to allow additional tests to determine the cause of the flux reduction.

Blanchat, Thomas K.; Hanks, Charles R.

2013-04-01T23:59:59.000Z

315

A Comparison of Latent Heat Fluxes over Global Oceans for Four Flux Products  

Science Conference Proceedings (OSTI)

The ocean surface latent heat flux (LHF) plays an essential role in global energy and water cycle variability. In this study, monthly LHF over global oceans during 199293 are compared among Goddard Satellite-Based Surface Turbulent Fluxes, ...

Shu-Hsien Chou; Eric Nelkin; Joe Ardizzone; Robert M. Atlas

2004-10-01T23:59:59.000Z

316

Sample Preparation Laboratory Training - Course 204 | Sample...  

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

Sample Preparation Laboratory Training - Course 204 Who Should Attend This course is mandatory for: SLAC employees and non-employees who need unescorted access to SSRL or LCLS...

317

What is a flux tube? On the magnetic field topology of buoyant flux structures  

E-Print Network (OSTI)

What is a flux tube? On the magnetic field topology of buoyant flux structures Fausto Cattaneo study the topology of field lines threading buoyant magnetic flux struc- tures. The magnetic structures ­ Sun: interior ­ Sun: magnetic fields ­ Stars: spots 1 Current address: Department of Mathematics

318

Skew Fluxes in Polarized Wave Fields  

Science Conference Proceedings (OSTI)

The scalar flux due to small amplitude waves that exhibit a preferred sense of rotation or polarization is shown to consist of a component. FS, that is skewed, being everywhere orthogonal to the mean scalar gradient, Q. The skew flux is ...

John F. Middleton; John W. Loder

1989-01-01T23:59:59.000Z

319

METHOD AND FLUX COMPOSITION FOR TREATING URANIUM  

DOE Patents (OSTI)

ABS>A flux composition is described fer use with molten uranium or uranium alloys. The flux consists of about 46 weight per cent calcium fiuoride, 46 weight per cent magnesium fluoride and about 8 weight per cent of uranium tetrafiuoride.

Foote, F.

1958-08-23T23:59:59.000Z

320

Natural Gas  

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

The Energy Department supports research and policy options to ensure environmentally sustainable domestic and global supplies of oil and natural gas.

Note: This page contains sample records for the topic "gas flux sampling" 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

Gas separating  

DOE Patents (OSTI)

Feed gas is directed tangentially along the non-skin surface of gas separation membrane modules comprising a cylindrical bundle of parallel contiguous hollow fibers supported to allow feed gas to flow from an inlet at one end of a cylindrical housing through the bores of the bundled fibers to an outlet at the other end while a component of the feed gas permeates through the fibers, each having the skin side on the outside, through a permeate outlet in the cylindrical casing. 3 figs.

Gollan, A.

1988-03-29T23:59:59.000Z

322

Missouri Natural Gas Number of Gas and Gas Condensate ...  

U.S. Energy Information Administration (EIA)

Missouri Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6

323

Sampling Turbulent Dissipation  

Science Conference Proceedings (OSTI)

Recently it has been argued that in many regions of the ocean the OsbornCox model accurately determines the total long-term diapycnal flux of a tracer ? if the mean gradient and dissipation in the model are long-time averages. The mean gradient ...

Russ E. Davis

1996-03-01T23:59:59.000Z

324

ON THE ERUPTION OF CORONAL FLUX ROPES  

SciTech Connect

We present three-dimensional MHD simulations of the evolution of the magnetic field in the corona where the emergence of a twisted magnetic flux tube is driven at the lower boundary into a pre-existing coronal potential arcade field. Through a sequence of simulations in which we vary the amount of twisted flux transported into the corona before the emergence is stopped, we investigate the conditions that lead to a dynamic eruption of the resulting coronal flux rope. It is found that the critical condition for the onset of eruption is for the center of the flux rope to reach a critical height at which the corresponding potential field declines with height at a sufficiently steep rate, consistent with the onset of the torus instability of the flux rope. In some cases, immediately after the emergence is stopped, the coronal flux rope first settles into a quasi-static rise with an underlying sigmoid-shaped current layer developing. Preferential heating of field lines going through this current layer may give rise to the observed quiescent X-ray sigmoid loops before eruption. Reconnections in the current layer during the initial quasi-static stage is found to add detached flux to the coronal flux rope, allowing it to rise quasi-statically to the critical height and dynamic eruption of the flux rope then ensues. By identifying field lines whose tops are in the most intense part of the current layer during the eruption, we deduce the evolution and morphology of the post-flare X-ray loops and the flare ribbons at their footpoints.

Fan, Y. [High Altitude Observatory, National Center for Atmospheric Research, 3080 Center Green Drive, Boulder, CO 80301 (United States)

2010-08-10T23:59:59.000Z

325

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

,366 ,366 95,493 1.08 0 0.00 1 0.03 29,406 0.56 1,206 0.04 20,328 0.64 146,434 0.73 - Natural Gas 1996 Million Percent of Million Percent of Cu. Feet National Total Cu. Feet National Total Net Interstate Movements: Industrial: Marketed Production: Vehicle Fuel: Deliveries to Consumers: Electric Residential: Utilities: Commercial: Total: South Carolina South Carolina 88. Summary Statistics for Natural Gas South Carolina, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ...........................................

326

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

0,216 0,216 50,022 0.56 135 0.00 49 1.67 85,533 1.63 8,455 0.31 45,842 1.45 189,901 0.95 - Natural Gas 1996 Million Percent of Million Percent of Cu. Feet National Total Cu. Feet National Total Net Interstate Movements: Industrial: Marketed Production: Vehicle Fuel: Deliveries to Consumers: Electric Residential: Utilities: Commercial: Total: M a r y l a n d Maryland 68. Summary Statistics for Natural Gas Maryland, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... NA NA NA NA NA Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 9 7 7 7 8 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 33 28 26 22 135 From Oil Wells ...........................................

327

FLUX EMERGENCE IN A MAGNETIZED CONVECTION ZONE  

Science Conference Proceedings (OSTI)

We study the influence of a dynamo magnetic field on the buoyant rise and emergence of twisted magnetic flux ropes and their influence on the global external magnetic field. We ran three-dimensional MHD numerical simulations using the ASH code (anelastic spherical harmonics) and analyzed the dynamical evolution of such buoyant flux ropes from the bottom of the convection zone until the post-emergence phases. The global nature of this model can only very crudely and inaccurately represent the local dynamics of the buoyant rise of the implanted magnetic structure, but nonetheless allows us to study the influence of global effects, such as self-consistently generated differential rotation and meridional circulation, and of Coriolis forces. Although motivated by the solar context, this model cannot be thought of as a realistic model of the rise of magnetic structures and their emergence in the Sun, where the local dynamics are completely different. The properties of initial phases of the buoyant rise are determined essentially by the flux-rope's properties and the convective flows and consequently are in good agreement with previous studies. However, the effects of the interaction of the background dynamo field become increasingly strong as the flux ropes evolve. During the buoyant rise across the convection zone, the flux-rope's magnetic field strength scales as B{proportional_to}{rho}{sup {alpha}}, with {alpha} {approx}current density is observed to precede flux emergence at all longitudes. The geometry, latitude, and relative orientation of the flux ropes with respect to the background magnetic field influences the resulting rise speeds, zonal flow amplitudes (which develop within the flux ropes), and the corresponding surface signatures. This influences the morphology, duration and amplitude of the surface shearing, and the Poynting flux associated with magnetic flux-rope emergence. The emerged magnetic flux influences the system's global polarity, leading in some cases to a polarity reversal while inhibiting the background dynamo from doing so in others. The emerged magnetic flux is slowly advected poleward while being diffused and assimilated by the background dynamo field.

Pinto, R. F.; Brun, A. S., E-mail: rui.pinto@cea.fr [Laboratoire AIM Paris-Saclay, CEA/Irfu Universite Paris-Diderot CNRS/INSU, F-91191 Gif-sur-Yvette (France)

2013-07-20T23:59:59.000Z

328

Eddy Correlation Flux Measurement System (ECOR) Handbook  

SciTech Connect

The eddy correlation (ECOR) flux measurement system provides in situ, half-hour measurements of the surface turbulent fluxes of momentum, sensible heat, latent heat, and carbon dioxide (CO2) (and methane at one Southern Great Plains extended facility (SGP EF) and the North Slope of Alaska Central Facility (NSA CF). The fluxes are obtained with the eddy covariance technique, which involves correlation of the vertical wind component with the horizontal wind component, the air temperature, the water vapor density, and the CO2 concentration.

Cook, DR

2011-01-31T23:59:59.000Z

329

Thermal evaluation of uranium silicide miniplates irradiated at high heat flux  

Science Conference Proceedings (OSTI)

The Gas Test Loop (GTL)-1 irradiation experiment was conducted in the Advanced Test Reactor (ATR) to assess corrosion performance of proposed booster fuel at heat flux levels ~30% above the design operating condition. Sixteen miniplates fabricated from 25% enriched, high-density (4.8 g U/cm3) U3Si2/Al dispersion fuel with 6061 aluminum cladding were subjected to peak beginning of cycle (BOC) heat fluxes ranging from 411 to 593 W/cm2. No adverse impacts to the miniplates were observed at these high heat flux levels. A detailed finite element model was constructed to calculate temperatures and heat flux for an as-run cycle average effective ATR south lobe power of 25.4 MW(t). Miniplate heat flux levels and fuel, cladding, hydroxide, and coolanthydroxide interface temperatures were calculated using the average hydroxide thickness on each miniplate measured during post-irradiation examination. The purpose of this study was to obtain a best estimate of the as-run experiment temperatures to aid in establishing acceptable heat flux levels and designing fuel qualification experiments for this fuel type.

Donna P. Guillen

2012-09-01T23:59:59.000Z

330

Gas chromatography/matrix-isolation apparatus  

DOE Patents (OSTI)

A gas-sample collection device provides matrix isolation of individual gas bands from a gas chromatographic separation and for the spectroscopic analysis of the individual sample bands. The device includes a vacuum chamber containing a rotatably supported, specular carousel having at least one reflecting surface for holding a sample deposited thereon. A gas inlet is provided for depositing a mixture of sample and matrix material on the reflecting surface which is maintained at a sufficiently low temperature to cause solidification. A first parabolic mirror directs an incident beam of electromagnetic radiation, such as in the infrared (IR) spectrum, from a source onto the sample/matrix mixture while a second parabolic mirror directs a second beam of electromagnetic radiation reflected by the specular surface to an IR spectrometer for determining the absorption spectra of the sample material deposited on the reflecting surface. The pair of off-axis parabolic mirrors having a common focal point are positioned outside of the vacuum chamber and may be displaced in combination for improved beam positioning and alignment. The carousel is provided with an aperture for each reflecting surface to facilitate accurate positioning of the incident beam relative to the gas-samples under analysis. Improved gas-sample deposition is insured by the use of a long focal length stereomicroscope positioned outside of the vacuum chamber for monitoring sample formation through a window, while the sample collector is positioned outside of the zone bounded by the incident and reflected electromagnetic beams for improved sample access and monitoring.

Reedy, Gerald T. (411 Francis St., Bourbonnais, IL 60914)

1986-01-01T23:59:59.000Z

331

CO{sub 2} flux measurements across portions of the Dixie Valley geothermal system, Nevada  

DOE Green Energy (OSTI)

A map of the CO{sub 2} flux across a newly formed area of plant kill in the NW part of the Dixie Valley geothermal system was constructed to monitor potential growth of a fumarole field. Flux measurements were recorded using a LI-COR infrared analyzer. Sample locations were restricted to areas within and near the dead zone. The data delineate two areas of high CO{sub 2} flux in different topographic settings. Older fumaroles along the Stillwater range front produce large volumes of CO{sub 2} at high temperatures. High CO{sub 2} flux values were also recorded at sites along a series of recently formed ground fractures at the base of the dead zone. The two areas are connected by a zone of partial plant kill and moderate flux on an alluvial fan. Results from this study indicate a close association between the range front fumaroles and the dead zone fractures. The goals of this study are to characterize recharge to the geothermal system, provide geochemical monitoring of reservoir fluids and to examine the temporal and spatial distribution of the CO{sub 2} flux in the dead zone. This paper reports the results of the initial CO{sub 2} flux measurements taken in October, 1997.

Bergfeld, D.; Goff, F. [Los Alamos National Lab., NM (United States). Earth and Environmental Sciences Div.; Janik, C.J. [Geological Survey, Menlo Park, CA (United States); Johnson, S.D. [Oxbow Power Services, Reno, NV (United States)

1998-12-31T23:59:59.000Z

332

September 2004 Water Sampling  

Office of Legacy Management (LM)

Sampling at the Sampling at the Shirley Basin South, Wyoming, Disposal Site September 2013 LMS/SBS/S00613 This page intentionally left blank U.S. Department of Energy DVP-June 2013, Shirley Basin South, Wyoming September 2013 RIN 13065426 Page i Contents Sampling Event Summary ...............................................................................................................1 Shirley Basin South, Wyoming, Disposal Site Sample Location Map ............................................3 Data Assessment Summary ..............................................................................................................5 Water Sampling Field Activities Verification Checklist .............................................................7

333

Comments on "Shallow gas off the Rhone prodelta, Gulf of Lions" by Garcia-Garcia et al. (2006) Marine Geology 234 (215-231) - Reply  

E-Print Network (OSTI)

Mastalerz, V. on Shallow gas off the Rhne prodelta, Gulfauthor pattern in our answers: 1- Gas sampling procedure,2-Reported gas concentrations results, 3-General remarks, 4-

2008-01-01T23:59:59.000Z

334

Tetrakis-amido high flux membranes  

DOE Patents (OSTI)

Composite RO membranes of a microporous polymeric support and a polyamide reaction product of a tetrakis-aminomethyl compound and a polyacylhalide are disclosed, said membranes exhibiting high flux and good chlorine resistance.

McCray, Scott B. (Bend, OR)

1989-01-01T23:59:59.000Z

335

Cloud Identification for ERBE Radiative Flux Retrieval  

Science Conference Proceedings (OSTI)

Derivation of top of atmosphere radiative fluxes requires the use of measured satellite radiances and assumptions about the anisotropy of the Earth's radiation field. The primary modification of the Earth's anisotropy is caused by variations in ...

Bruce A. Wielicki; Richard N. Green

1989-11-01T23:59:59.000Z

336

Computing Surface Fluxes from Mesonet Data  

Science Conference Proceedings (OSTI)

By using airvegetationsoil layer coupled model equations as weak constraints, a variational method is developed to compute sensible and latent heat fluxes from conventional observations obtained at meteorological surface stations. This method ...

Binbin Zhou; Qin Xu

1999-09-01T23:59:59.000Z

337

A low cost high flux solar simulator  

E-Print Network (OSTI)

A low cost, high flux, large area solar simulator has been designed, built and characterized for the purpose of studying optical melting and light absorption behavior of molten salts. Seven 1500 W metal halide outdoor ...

Codd, Daniel S.

338

Tetrakis-amido high flux membranes  

DOE Patents (OSTI)

Composite RO membranes of a microporous polymeric support and a polyamide reaction product of a tetrakis-aminomethyl compound and a polyacylhalide are disclosed, said membranes exhibiting high flux and good chlorine resistance.

McCray, S.B.

1989-10-24T23:59:59.000Z

339

Intercomparison of Various Surface Latent Heat Flux Fields  

Science Conference Proceedings (OSTI)

The Japanese Ocean Flux Data Sets with use of Remote Sensing Observations (J-OFURO) latent heat flux field is compared with the Hamburg OceanAtmosphere Parameters and Fluxes from Satellite Data (HOAPS), the Goddard Satellite-Based Surface ...

Masahisa Kubota; Atsuko Kano; Hidenori Muramatsu; Hiroyuki Tomita

2003-02-01T23:59:59.000Z

340

Gravity Wave 1-leat Fluxes: A Lagrangian Approach  

Science Conference Proceedings (OSTI)

The effect of a vertically propagating, internal gravity wave on the vertical flux of potential temperature (heat) is considered by averaging the local heat flux vector over a potential temperature surface. This approach gives the wave heat flux ...

Lawrence Coy; David C. Fritts

1988-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "gas flux sampling" 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

RADIATION FROM COMOVING POYNTING FLUX ACCELERATION  

Science Conference Proceedings (OSTI)

We derive analytic formulas for the radiation power output when electrons are accelerated by a relativistic comoving kinetic Poynting flux, and validate these analytic results with particle-in-cell simulations. We also derive analytically the critical frequency of the radiation spectrum. Potential astrophysical applications of these results are discussed. A quantitative model of gamma-ray bursts based on the breakout of kinetic Poynting flux is presented.

Liang, Edison; Noguchi, Koichi [Rice University, Houston TX 77005-1892 (United States)

2009-11-10T23:59:59.000Z

342

Radiation from Comoving Poynting Flux Acceleration  

E-Print Network (OSTI)

We derive analytic formulas for the radiation power output when electrons are accelerated by a relativistic comoving kinetic Poynting flux, and validate these analytic results with Particle-In-Cell simulations. We also derive analytically the critical frequency of the radiation spectrum. Potential astrophysical applications of these results are discussed. A quantitative model of gamma-ray bursts based on the breakout of kinetic Poynting flux is presented.

Liang, Edison

2009-01-01T23:59:59.000Z

343

Molecular gas in nearby elliptical radio galaxies  

E-Print Network (OSTI)

Powerful radio-AGN are hosted by massive elliptical galaxies which are usually very poor in molecular gas. Nevertheless the central Black Hole (BH) needs molecular gas for the nuclear activity. Thus it is important to study the origin, the distribution and the kinematics of the molecular gas in such objects. We have performed at the IRAM-30m telescope a survey of the CO(1-0) and CO(2-1) emission in the most powerful radio galaxies of the Local Universe, selected only on the basis of their radio continuum fluxes. The main result of that survey is the low content in molecular gas of such galaxies compared to Seyfert galaxies. The median value of the molecular gas mass is 4x10^8 Msun. Moreover, the CO spectra indicate the presence of a central molecular gas disk in some of these radio galaxies. We complemented this survey with photometric data of SPITZER and IRAS fluxes with the purpose to study the dust and its relation with the molecular gas and AGN.

B. Ocana-Flaquer; S. Leon; J. Lim; F. Combes; Dinh-V-Trung

2008-03-31T23:59:59.000Z

344

Molecular gas in nearby elliptical radio galaxies  

E-Print Network (OSTI)

Powerful radio-AGN are hosted by massive elliptical galaxies which are usually very poor in molecular gas. Nevertheless the central Black Hole (BH) needs molecular gas for the nuclear activity. Thus it is important to study the origin, the distribution and the kinematics of the molecular gas in such objects. We have performed at the IRAM-30m telescope a survey of the CO(1-0) and CO(2-1) emission in the most powerful radio galaxies of the Local Universe, selected only on the basis of their radio continuum fluxes. The main result of that survey is the low content in molecular gas of such galaxies compared to Seyfert galaxies. The median value of the molecular gas mass is 4x10^8 Msun. Moreover, the CO spectra indicate the presence of a central molecular gas disk in some of these radio galaxies. We complemented this survey with photometric data of SPITZER and IRAS fluxes with the purpose to study the dust and its relation with the molecular gas and AGN.

Ocana-Flaquer, B; Lim, J; Combes, F; Dinh-V-Trung,

2008-01-01T23:59:59.000Z

345

Vapor sampling of the headspace of radioactive waste storage tanks  

DOE Green Energy (OSTI)

This paper recants the history of vapor sampling in the headspaces of radioactive waste storage tanks at Hanford. The first two tanks to receive extensive vapor pressure sampling were Tanks 241-SY-101 and 241-C-103. At various times, a gas chromatography, on-line mass spectrometer, solid state hydrogen monitor, FTIR, and radio acoustic ammonia monitor have been installed. The head space gas sampling activities will continue for the next few years. The current goal is to sample the headspace for all the tanks. Some tank headspaces will be sampled several times to see the data vary with time. Other tanks will have continuous monitors installed to provide additional data.

Reynolds, D.A., Westinghouse Hanford

1996-05-22T23:59:59.000Z

346

Rain sampling device  

DOE Patents (OSTI)

The present invention constitutes a rain sampling device adapted for independent operation at locations remote from the user which allows rainfall to be sampled in accordance with any schedule desired by the user. The rain sampling device includes a mechanism for directing wet precipitation into a chamber, a chamber for temporarily holding the precipitation during the process of collection, a valve mechanism for controllably releasing samples of the precipitation from the chamber, a means for distributing the samples released from the holding chamber into vessels adapted for permanently retaining these samples, and an electrical mechanism for regulating the operation of the device. 11 figures.

Nelson, D.A.; Tomich, S.D.; Glover, D.W.; Allen, E.V.; Hales, J.M.; Dana, M.T.

1991-05-14T23:59:59.000Z

347

Nanocrystalline Separation Membrane for Improved Hydrogen Flux ...  

... and H 2 O that are associated with steam reforming/water gas shift reactions. ... sufficient manufacturing capacity, established distribution ...

348

Predicting Greenhouse Gas Emissions and Soil Carbon from Changing Pasture to an Energy Crop  

E-Print Network (OSTI)

Predicting Greenhouse Gas Emissions and Soil Carbon from Changing Pasture to an Energy Crop biogeochemical cycles and global greenhouse gas budgets. Energy cane (Saccharum officinarum L.) is a sugarcane changing land from grazed pasture to energy cane would affect greenhouse gas (CO2, CH4 and N2O) fluxes

DeLucia, Evan H.

349

Environmental turbulent mixing controls on air-water gas exchange in marine and aquatic systems  

E-Print Network (OSTI)

climatically important trace gas fluxes on regional and global scales, yet the magnitude of the transfer-generated turbulence in a shallow tidal sea, Nature, 400, 251­254. Raymond, P. A., and J. J. Cole (2001), Gas exchangeEnvironmental turbulent mixing controls on air-water gas exchange in marine and aquatic systems

Ho, David

350

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

21,547 21,547 4,916 0.06 0 0.00 0 0.00 7,012 0.13 3 0.00 7,099 0.22 19,031 0.10 N e w H a m p s h i r e New Hampshire 77. Summary Statistics for Natural Gas New Hampshire, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 0 0 0 0 0 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease Separation..........................

351

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

139,881 139,881 26,979 0.30 463 0.00 115 3.92 27,709 0.53 19,248 0.70 28,987 0.92 103,037 0.52 A r i z o n a Arizona 50. Summary Statistics for Natural Gas Arizona, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... NA NA NA NA NA Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 6 6 6 7 7 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 721 508 711 470 417 From Oil Wells ........................................... 72 110 48 88 47 Total.............................................................. 794 618 759 558 464 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease

352

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

Middle Middle Atlantic Middle Atlantic 37. Summary Statistics for Natural Gas Middle Atlantic, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 1,857 1,981 2,042 1,679 1,928 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 36,906 36,857 26,180 37,159 38,000 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 161,372 152,717 140,444 128,677 152,494 From Oil Wells ........................................... 824 610 539 723 641 Total.............................................................. 162,196 153,327 140,982 129,400 153,134 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed

353

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

386,690 386,690 102,471 1.16 0 0.00 43 1.47 142,319 2.72 5,301 0.19 98,537 3.12 348,671 1.74 M i n n e s o t a Minnesota 71. Summary Statistics for Natural Gas Minnesota, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 0 0 0 0 0 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease Separation..........................

354

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

1,108,583 1,108,583 322,275 3.63 298 0.00 32 1.09 538,749 10.28 25,863 0.95 218,054 6.90 1,104,972 5.52 I l l i n o i s Illinois 61. Summary Statistics for Natural Gas Illinois, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... NA NA NA NA NA Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 382 385 390 372 370 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 337 330 323 325 289 From Oil Wells ........................................... 10 10 10 10 9 Total.............................................................. 347 340 333 335 298 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ...............

355

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

286,485 286,485 71,533 0.81 25 0.00 31 1.06 137,225 2.62 5,223 0.19 72,802 2.31 286,814 1.43 M i s s o u r i Missouri 73. Summary Statistics for Natural Gas Missouri, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... NA NA NA NA NA Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 5 8 12 15 24 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 27 14 8 16 25 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 27 14 8 16 25 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease Separation..........................

356

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

411,951 411,951 100,015 1.13 0 0.00 5 0.17 114,365 2.18 45,037 1.65 96,187 3.05 355,609 1.78 Massachusetts Massachusetts 69. Summary Statistics for Natural Gas Massachusetts, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 0 0 0 0 0 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease Separation..........................

357

Natural gas  

E-Print Network (OSTI)

www.eia.gov Over time the electricity mix gradually shifts to lower-carbon options, led by growth in natural gas and renewable generation U.S. electricity net generation trillion kilowatthours 6

Adam Sieminski Administrator; Adam Sieminski Usnic; Adam Sieminski Usnic

2013-01-01T23:59:59.000Z

358

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

68,747 68,747 34,577 0.39 0 0.00 34 1.16 14,941 0.29 0 0.00 11,506 0.36 61,058 0.31 I d a h o Idaho 60. Summary Statistics for Natural Gas Idaho, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 0 0 0 0 0 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease Separation.......................... 0 0 0 0 0 Vented

359

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

0 0 0 0.00 0 0.00 0 0.00 540 0.01 0 0.00 2,132 0.07 2,672 0.01 H a w a i i Hawaii 59. Summary Statistics for Natural Gas Hawaii, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 0 0 0 0 0 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease Separation.......................... 0 0 0 0 0 Vented and Flared

360

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

483,052 483,052 136,722 1.54 6,006 0.03 88 3.00 16,293 0.31 283,557 10.38 41,810 1.32 478,471 2.39 F l o r i d a Florida 57. Summary Statistics for Natural Gas Florida, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 47 50 98 92 96 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 7,584 8,011 8,468 7,133 6,706 Total.............................................................. 7,584 8,011 8,468 7,133 6,706 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ...............

Note: This page contains sample records for the topic "gas flux sampling" from the National Library of EnergyBeta (NLEBeta).
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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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361

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

291,898 291,898 113,995 1.29 0 0.00 4 0.14 88,078 1.68 3,491 0.13 54,571 1.73 260,140 1.30 I o w a Iowa 63. Summary Statistics for Natural Gas Iowa, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 0 0 0 0 0 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease Separation.......................... 0 0 0

362

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

Vehicle Fuel: Vehicle Fuel: Deliveries to Consumers: Electric Residential: Utilities: Commercial: Total: New England New England 36. Summary Statistics for Natural Gas New England, 1992-1996 Table 691,089 167,354 1.89 0 0.00 40 1.36 187,469 3.58 80,592 2.95 160,761 5.09 596,215 2.98 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 0 0 0 0 0 Repressuring ................................................

363

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

29,693 29,693 0 0.00 0 0.00 6 0.20 17,290 0.33 0 0.00 16,347 0.52 33,644 0.17 District of Columbia District of Columbia 56. Summary Statistics for Natural Gas District of Columbia, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 0 0 0 0 0 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease Separation..........................

364

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

42,980 42,980 14,164 0.16 0 0.00 1 0.03 9,791 0.19 23,370 0.86 6,694 0.21 54,020 0.27 D e l a w a r e Delaware 55. Summary Statistics for Natural Gas Delaware, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 0 0 0 0 0 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease Separation..........................

365

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

-49,536 -49,536 7,911 0.09 49,674 0.25 15 0.51 12,591 0.24 3 0.00 12,150 0.38 32,670 0.16 North Dakota North Dakota 82. Summary Statistics for Natural Gas North Dakota, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 496 525 507 463 462 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 104 101 104 99 108 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 12,461 18,892 19,592 16,914 16,810 From Oil Wells ........................................... 47,518 46,059 43,640 39,760 38,906 Total.............................................................. 59,979 64,951 63,232 56,674 55,716 Repressuring ................................................

366

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

226,798 226,798 104,124 1.17 0 0.00 0 0.00 58,812 1.12 2,381 0.09 40,467 1.28 205,783 1.03 North Carolina North Carolina 81. Summary Statistics for Natural Gas North Carolina, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 0 0 0 0 0 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 0 0 0 0 0 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 0 0 0 0 0 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 0 0 0 0 0 Repressuring ................................................ 0 0 0 0 0 Nonhydrocarbon Gases Removed ............... 0 0 0 0 0 Wet After Lease Separation..........................

367

High resolution fossil fuel combustion CO2 emission fluxes for...  

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

High resolution fossil fuel combustion CO2 emission fluxes for the United States Title High resolution fossil fuel combustion CO2 emission fluxes for the United States Publication...

368

John Hsu, Oak Ridge National Laboratory, Flux Coupling Machines...  

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

Flux Coupling Machines and Switched Reluctance Motors to Replace Permanent Magnets in Electric Vehicles John Hsu, Oak Ridge National Laboratory, Flux Coupling Machines and...

369

TRU Waste Sampling Program: Volume I. Waste characterization  

DOE Green Energy (OSTI)

Volume I of the TRU Waste Sampling Program report presents the waste characterization information obtained from sampling and characterizing various aged transuranic waste retrieved from storage at the Idaho National Engineering Laboratory and the Los Alamos National Laboratory. The data contained in this report include the results of gas sampling and gas generation, radiographic examinations, waste visual examination results, and waste compliance with the Waste Isolation Pilot Plant-Waste Acceptance Criteria (WIPP-WAC). A separate report, Volume II, contains data from the gas generation studies.

Clements, T.L. Jr.; Kudera, D.E.

1985-09-01T23:59:59.000Z

370

Quality Reference Samples  

Science Conference Proceedings (OSTI)

Peer-reviewed fats and oils related performance-based control samples for lab quality assurance and quality control. Quality Reference Samples Certified Reference Materials (CRM) aocs certified Certified Reference Materials chemists CRM fat fats lab labo

371

September 2004 Water Sampling  

Office of Legacy Management (LM)

information documented on the field data sheets? Yes 18. Was the presence or absence of ice in the cooler documented at every sample location? NA Sample chilling was not required....

372

Relativistic Poynting-Flux Jets as Transmission Lines  

E-Print Network (OSTI)

Recent radio emission, polarization, and Faraday rotation maps of the radio jet of the galaxy 3C 303 have shown that one knot of this jet has a {\\it galactic}-scale electric current of $\\sim 3\\times 10^{18}$ Amp\\`ere flowing along the jet axis (Kronberg et al. 2011). We develop the theory of relativistic Poynting-flux jets which are modeled as a transmission line carrying a DC current $I_0$, having a potential drop $V_0$, and a definite impedance ${\\cal Z}_0 =90(u_z/c)\\Omega$, where $u_z$ is the bulk velocity of the jet plasma. The electromagnetic energy flow in the jet is ${\\cal Z}_0 I_0^2$. The observed current in 3C 303 can be used to calculate the electromagnetic energy flow in this magnetically dominated jet. Time-dependent but not necessarily small perturbations of a Poynting-flux jet - possibly triggered by a gas cloud penetrating the jet - are described by "telegrapher's equations," which predict the propagation speed of disturbances and the effective wave impedance ${\\cal Z}$. The disturbance of a Po...

Lovelace, R V E; Kronberg, P P

2012-01-01T23:59:59.000Z

373

September 2004 Water Sampling  

Office of Legacy Management (LM)

3 3 Groundwater and Surface Water Sampling at the Slick Rock East and West, Colorado, Processing Sites November 2013 LMS/SRE/SRW/S0913 This page intentionally left blank U.S. Department of Energy DVP-September 2013, Slick Rock, Colorado November 2013 RIN 13095593 Page i Contents Sampling Event Summary ...............................................................................................................1 Slick Rock East and West, Colorado, Processing Sites, Sample Location Map .............................5 Data Assessment Summary ..............................................................................................................7 Water Sampling Field Activities Verification Checklist .............................................................9

374

September 2004 Water Sampling  

Office of Legacy Management (LM)

Old and New Rifle, Old and New Rifle, Colorado, Processing Sites August 2013 LMS/RFN/RFO/S00613 This page intentionally left blank U.S. Department of Energy DVP-June 2013, Rifle, Colorado August 2013 RIN 13065380 Page i Contents Sampling Event Summary ...............................................................................................................1 Sample Location Map, New Rifle, Colorado, Processing Site ........................................................5 Sample Location Map, Old Rifle, Colorado, Processing Site ..........................................................6 Data Assessment Summary ..............................................................................................................7 Water Sampling Field Activities Verification Checklist .............................................................9

375

September 2004 Water Sampling  

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

3 3 Groundwater and Surface Water Sampling at the Tuba City, Arizona, Disposal Site November 2013 LMS/TUB/S00813 This page intentionally left blank U.S. Department of Energy DVP-August 2013, Tuba City, Arizona November 2013 RIN 13085553 Page i Contents Sampling Event Summary ...............................................................................................................1 Tuba City, Arizona, Disposal Site, Sample Location Map ..............................................................7 Data Assessment Summary ..............................................................................................................9 Water Sampling Field Activities Verification Checklist ...........................................................11

376

September 2004 Water Sampling  

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

and October 2013 and October 2013 Groundwater Sampling at the Bluewater, New Mexico, Disposal Site December 2013 LMS/BLU/S00813 This page intentionally left blank U.S. Department of Energy DVP-August and October 2013, Bluewater, New Mexico December 2013 RIN 13085537 and 13095651 Page i Contents Sampling Event Summary ...............................................................................................................1 Private Wells Sampled August 2013 and October 2013, Bluewater, NM, Disposal Site ................3 Data Assessment Summary ..............................................................................................................5 Water Sampling Field Activities Verification Checklist .............................................................7

377

Measurement of the Atmospheric $?_e$ flux in IceCube  

E-Print Network (OSTI)

We report the first measurement of the atmospheric electron neutrino flux in the energy range between approximately 80 GeV and 6 TeV, using data recorded during the first year of operation of IceCube's DeepCore low energy extension. Techniques to identify neutrinos interacting within the DeepCore volume and veto muons originating outside the detector are demonstrated. A sample of 1029 events is observed in 281 days of data, of which 496 $\\pm$ 66(stat.) $\\pm$ 88(syst.) are estimated to be cascade events, including both electron neutrino and neutral current events. The rest of the sample includes residual backgrounds due to atmospheric muons and charged current interactions of atmospheric muon neutrinos. The flux of the atmospheric electron neutrinos is consistent with models of atmospheric neutrinos in this energy range. This constitutes the first observation of electron neutrinos and neutral current interactions in a very large volume neutrino telescope optimized for the TeV energy range.

IceCube Collaboration; M. G. Aartsen; R. Abbasi; Y. Abdou; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; D. Altmann; K. Andeen; J. Auffenberg; X. Bai; M. Baker; S. W. Barwick; V. Baum; R. Bay; K. Beattie; J. J. Beatty; S. Bechet; J. Becker Tjus; K. -H. Becker; M. Bell; M. L. Benabderrahmane; S. BenZvi; J. Berdermann; P. Berghaus; D. Berley; E. Bernardini; D. Bertrand; D. Z. Besson; D. Bindig; M. Bissok; E. Blaufuss; J. Blumenthal; D. J. Boersma; S. Bohaichuk; C. Bohm; D. Bose1; S. Boser; O. Botner; L. Brayeur; A. M. Brown; R. Bruijn; J. Brunner; S. Buitink; M. Carson; J. Casey; M. Casier; D. Chirkin; B. Christy; K. Clark; F. Clevermann; S. Cohen; D. F. Cowen; A. H. Cruz Silva; M. Danninger; J. Daughhetee; J. C. Davis; C. De Clercq; S. De Ridder; F. Descamps; P. Desiati; G. de Vries-Uiterweerd; T. DeYoung; J. C. Diaz-Velez; J. Dreyer; J. P. Dumm; M. Dunkman; R. Eagan; B. Eberhardt; J. Eisch; R. W. Ellsworth; O. Engdegard; S. Euler; P. A. Evenson; O. Fadiran; A. R. Fazely; A. Fedynitch; J. Feintzeig; T. Feusels; K. Filimonov; C. Finley; T. Fischer-Wasels; S. Flis; A. Franckowiak; R. Franke; K. Frantzen; T. Fuchs; T. K. Gaisser; J. Gallagher; L. Gerhardt; L. Gladstone; T. Glusenkamp; A. Goldschmidt; G. Golup; J. A. Goodman; D. Gora; D. Grant; A. Gross; S. Grullon; M. Gurtner; C. Ha; A. Haj Ismail; A. Hallgren; F. Halzen; K. Hanson; D. Heereman; P. Heimann; D. Heinen; K. Helbing; R. Hellauer; S. Hickford; G. C. Hill; K. D. Hoffman; R. Hoffmann; A. Homeier; K. Hoshina; W. Huelsnitz; P. O. Hulth; K. Hultqvist; S. Hussain; A. Ishihara; E. Jacobi; J. Jacobsen; G. S. Japaridze; O. Jlelati; A. Kappes; T. Karg; A. Karle; J. Kiryluk; F. Kislat; J. Klas; S. R. Klein; J. -H. Kohne; G. Kohnen; H. Kolanoski; L. Kopke; C. Kopper; S. Kopper; D. J. Koskinen; M. Kowalski; M. Krasberg; G. Kroll; J. Kunnen; N. Kurahashi; T. Kuwabara; M. Labare; H. Landsman; M. J. Larson; R. Lauer; M. Lesiak-Bzdak; J. Lunemann; J. Madsen; R. Maruyama; K. Mase; H. S. Matis; F. McNally; K. Meagher; M. Merck; P. Meszaros; T. Meures; S. Miarecki; E. Middell; N. Milke; J. Miller; L. Mohrmann; T. Montaruli; R. Morse; R. Nahnhauer; U. Naumann; S. C. Nowicki; D. R. Nygren; A. Obertacke; S. Odrowski; A. Olivas; M. Olivo; A. O'Murchadha; S. Panknin; L. Paul; J. A. Pepper; C. Perez de los Heros; D. Pieloth; N. Pirk; J. Posselt; P. B. Price; G. T. Przybylski; L. Radel; K. Rawlins; P. Redl; E. Resconi; W. Rhode; M. Ribordy; M. Richman; B. Riedel; J. P. Rodrigues; C. Rott; T. Ruhe; B. Ruzybayev; D. Ryckbosch; S. M. Saba; T. Salameh; H. -G. Sander; M. Santander; S. Sarkar; K. Schatto; M. Scheel; F. Scheriau; T. Schmidt; M. Schmitz; S. Schoenen; S. Schoneberg; L. Schonherr; A. Schonwald; A. Schukraft; L. Schulte; O. Schulz; D. Seckel; S. H. Seo; Y. Sestayo; S. Seunarine; C. Sheremata; M. W. E. Smith; M. Soiron; D. Soldin; G. M. Spiczak; C. Spiering; M. Stamatikos; T. Stanev; A. Stasik; T. Stezelberger; R. G. Stokstad; A. Stoss; E. A. Strahler; R. Strom; G. W. Sullivan; H. Taavola; I. Taboada; A. Tamburro; S. Ter-Antonyan; S. Tilav; P. A. Toale; S. Toscano; M. Usner; D. van der Drift; N. van Eijndhoven; A. Van Overloop; J. van Santen; M. Vehring; M. Voge1; M. Vraeghe; C. Walck; T. Waldenmaier; M. Wallraff; M. Walter; R. Wasserman; Ch. Weaver; C. Wendt; S. Westerhoff; N. Whitehorn; K. Wiebe; C. H. Wiebusch; D. R. Williams; H. Wissing; M. Wolf; T. R. Wood; K. Woschnagg; C. Xu; D. L. Xu; X. W. Xu; J. P. Yanez; G. Yodh; S. Yoshida; P. Zarzhitsky; J. Ziemann; S. Zierke; A. Zilles; M. Zoll

2012-12-19T23:59:59.000Z

378

September 2004 Water Sampling  

Office of Legacy Management (LM)

Riverton, Wyoming, Riverton, Wyoming, Processing Site September 2013 LMS/RVT/S00613 This page intentionally left blank U.S. Department of Energy DVP-June 2013, Riverton, Wyoming September 2013 RIN 13065379 Page i Contents Sampling Event Summary ...............................................................................................................1 Riverton, Wyoming, Processing Site, Sample Location Map .........................................................5 Data Assessment Summary ..............................................................................................................7 Water Sampling Field Activities Verification Checklist .............................................................9 Laboratory Performance Assessment ........................................................................................11

379

Sampling community structure  

Science Conference Proceedings (OSTI)

We propose a novel method, based on concepts from expander graphs, to sample communities in networks. We show that our sampling method, unlike previous techniques, produces subgraphs representative of community structure in the original network. These ... Keywords: clustering, community detection, complex networks, graphs, sampling, social networks

Arun S. Maiya; Tanya Y. Berger-Wolf

2010-04-01T23:59:59.000Z

380

Apparatus and method for monitoring of gas having stable isotopes  

DOE Patents (OSTI)

Gas having stable isotopes is monitored continuously by using a system that sends a modulated laser beam to the gas and collects and transmits the light not absorbed by the gas to a detector. Gas from geological storage, or from the atmosphere can be monitored continuously without collecting samples and transporting them to a lab.

Clegg, Samuel M; Fessenden-Rahn, Julianna E

2013-03-05T23:59:59.000Z

Note: This page contains sample records for the topic "gas flux sampling" 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

Noble gases and radiocarbon in natural gas hydrates Gisela Winckler  

E-Print Network (OSTI)

Noble gases and radiocarbon in natural gas hydrates Gisela Winckler Lamont-Doherty Earth 2001; published 24 May 2002. [1] In samples of pure natural gas hydrates from Hydrate Ridge, Cascadia of rigid cages of water molecules that enclose guest gas molecules. The gas component of natural hydrates

Winckler, Gisela

382

A Micrometeorological Facility for Eddy Flux Measurements of CO2 and H2O  

Science Conference Proceedings (OSTI)

A ground-based eddy flux system which is used to measure the CO2 and H2O exchange between the atmosphere and the biosphere is described. Fluctuations of CO2, H2O, air temperature and atmospheric turbulence are sampled at frequencies up to 50 Hz. ...

F. Chahuneau; R. L. Desjardins; R. Verdon; E. Brach

1989-02-01T23:59:59.000Z

383

Bounds on the Solar Antineutrino total Flux and Energy spectrum from the SK experiment  

E-Print Network (OSTI)

A search for inverse beta decay electron antineutrinos has been carried out using the 825 days sample of solar data obtained at SK. The absence of a significant signal, that is, contributions to the total SK background and their angular variations has set upper bounds on a) the absolute flux of solar antineutrinos originated from ${}^8 B$ neutrinos $\\Phi_{\\bar{\

E. Torrente-Lujan

1999-11-23T23:59:59.000Z

384

Underground particle fluxes in the Soudan mine.  

E-Print Network (OSTI)

This is a summary of our knowledge of the underground particle fluxes in the vicinity of Soudan 2 and of the future MINOS detector. It includes a brief description of the measured muon fluxes and of the gamma ray spectra deduced from measurements of 238 U, 232 Th and 40 K concentrations in the rock. Counting rates in gaseous and scintillation detectors are estimated. Some data on what is known about the chemical composition of the local rocks are included; these are relevant to an understanding of the underground muon rates and also to a calculation of low energy neutron fluxes. 1 Introduction As plans for the MINOS detector and for the excavation of a new detector hall progress, some people have begun asking what is known of the fluxes of various particles underground. The muon flux is relevant for possibly calibrating and certainly for monitoring the long term behavior of the detector. It will likely be the determining factor in the eventual trigger rate if the MINOS det...

Keith Ruddick; Keith Ruddick; Th

1996-01-01T23:59:59.000Z

385

COAL CLEANING BY GAS AGGLOMERATION  

SciTech Connect

The agglomeration of ultrafine-size coal particles in an aqueous suspension by means of microscopic gas bubbles was demonstrated in numerous experiments with a scale model mixing system. Coal samples from both the Pittsburgh No. 8 Seam and the Upper Freeport Seam were used for these experiments. A small amount of i-octane was added to facilitate the process. Microscopic gas bubbles were generated by saturating the water used for suspending coal particles with gas under pressure and then reducing the pressure. Microagglomerates were produced which appeared to consist of gas bubbles encapsulated in coal particles. Since dilute particle suspensions were employed, it was possible to monitor the progress of agglomeration by observing changes in turbidity. By such means it became apparent that the rate of agglomeration depends on the concentration of microscopic gas bubbles and to a lesser extent on the concentration of i-octane. Similar results were obtained with both Pittsburgh No. 8 coal and Upper Freeport coal.

MEIYU SHEN; ROYCE ABBOTT; T.D. WHEELOCK

1998-09-30T23:59:59.000Z

386

Sampling diffusive transition paths  

SciTech Connect

We address the problem of sampling double-ended diffusive paths. The ensemble of paths is expressed using a symmetric version of the Onsager-Machlup formula, which only requires evaluation of the force field and which, upon direct time discretization, gives rise to a symmetric integrator that is accurate to second order. Efficiently sampling this ensemble requires avoiding the well-known stiffness problem associated with sampling infinitesimal Brownian increments of the path, as well as a different type of stiffness associated with sampling the coarse features of long paths. The fine-features sampling stiffness is eliminated with the use of the fast sampling algorithm (FSA), and the coarse-feature sampling stiffness is avoided by introducing the sliding and sampling (S&S) algorithm. A key feature of the S&S algorithm is that it enables massively parallel computers to sample diffusive trajectories that are long in time. We use the algorithm to sample the transition path ensemble for the structural interconversion of the 38-atom Lennard-Jones cluster at low temperature.

F. Miller III, Thomas; Predescu, Cristian

2006-10-12T23:59:59.000Z

387

Energy Flux We discuss various ways of describing energy flux and related quantities.  

E-Print Network (OSTI)

Chapter 6 Energy Flux We discuss various ways of describing energy flux and related quantities. 6.0.1 Energy Current Density The energy current density is given by the Poynting vector S = E ? H (6.1) where all quantities are real. The Poynting vector gives the instantaneous lo- cal energy current density

Palffy-Muhoray, Peter

388

Estimation of land surface water and energy balance flux components and closure relation using conditional sampling  

E-Print Network (OSTI)

Models of terrestrial water and energy balance include numerical treatment of heat and moisture diffusion in the soil-vegetation-atmosphere continuum. These two diffusion and exchange processes are linked only at a few ...

Farhadi, Leila

2012-01-01T23:59:59.000Z

389

Impact of Sun-Synchronous Diurnal Sampling on Tropical TOA Flux Interannual Variability and Trends  

Science Conference Proceedings (OSTI)

Satellite observations of the earths radiation budget (ERB) are a critical component of the climate observing system. Recent observations have been made from sun-synchronous orbits, which provide excellent spatial coverage with global ...

Patrick C. Taylor; Norman G. Loeb

2013-04-01T23:59:59.000Z

390

Gas Delivered  

Gasoline and Diesel Fuel Update (EIA)

. Average . Average Price of Natural Gas Delivered to Residential Consumers, 1980-1996 Figure 1980 1982 1984 1986 1988 1990 1992 1994 1996 0 2 4 6 8 10 0 40 80 120 160 200 240 280 320 Dollars per Thousand Cubic Feet Dollars per Thousand Cubic Meters Nominal Dollars Constant Dollars Sources: Nominal dollars: Energy Information Administration (EIA), Form EIA-176, "Annual Report of Natural and Supplemental Gas Supply and Disposition." Constant dollars: Prices were converted to 1995 dollars using the chain-type price indexes for Gross Domestic Product (1992 = 1.0) as published by the U. S. Department of Commerce, Bureau of Economic Analysis. Residential: Prices in this publication for the residential sector cover nearly all of the volumes of gas delivered. Commercial and Industrial: Prices for the commercial and industrial sectors are often associated with

391

THERMAL HYDRAULIC ANALYSIS OF A GAS TEST LOOP SYSTEM  

Science Conference Proceedings (OSTI)

This paper discusses thermal hydraulic calculations for a Gas Test Loop (GTL) system designed to provide a high intensity fast-flux irradiation environment for testing fuels and materials for advanced concept nuclear reactors. To assess the performance of candidate reactor fuels, these fuels must be irradiated under actual fast reactor flux conditions and operating environments, preferably in an existing irradiation facility [1]. Potential users of the GTL include the Generation IV Reactor Program, the Advanced Fuel Cycle Initiative and Space Nuclear Programs.

Donna Post Guillen; James E. Fisher

2005-11-01T23:59:59.000Z

392

Real Time Flux Control in PM Motors  

SciTech Connect

Significant research at the Oak Ridge National Laboratory (ORNL) Power Electronics and Electric Machinery Research Center (PEEMRC) is being conducted to develop ways to increase (1) torque, (2) speed range, and (3) efficiency of traction electric motors for hybrid electric vehicles (HEV) within existing current and voltage bounds. Current is limited by the inverter semiconductor devices' capability and voltage is limited by the stator wire insulation's ability to withstand the maximum back-electromotive force (emf), which occurs at the upper end of the speed range. One research track has been to explore ways to control the path and magnitude of magnetic flux while the motor is operating. The phrase, real time flux control (RTFC), refers to this mode of operation in which system parameters are changed while the motor is operating to improve its performance and speed range. RTFC has potential to meet an increased torque demand by introducing additional flux through the main air gap from an external source. It can augment the speed range by diverting flux away from the main air gap to reduce back-emf at high speeds. Conventional RTFC technology is known as vector control [1]. Vector control decomposes the stator current into two components; one that produces torque and a second that opposes (weakens) the magnetic field generated by the rotor, thereby requiring more overall stator current and reducing the efficiency. Efficiency can be improved by selecting a RTFC method that reduces the back-emf without increasing the average current. This favors methods that use pulse currents or very low currents to achieve field weakening. Foremost in ORNL's effort to develop flux control is the work of J. S. Hsu. Early research [2,3] introduced direct control of air-gap flux in permanent magnet (PM) machines and demonstrated it with a flux-controlled generator. The configuration eliminates the problem of demagnetization because it diverts all the flux from the magnets instead of trying to oppose it. It is robust and could be particularly useful for PM generators and electric vehicle drives. Recent efforts have introduced a brushless machine that transfers a magneto-motive force (MMF) generated by a stationary excitation coil to the rotor [4]. Although a conventional PM machine may be field weakened using vector control, the air-gap flux density cannot be effectively enhanced. In Hsu's new machine, the magnetic field generated by the rotor's PM may be augmented by the field from the stationery excitation coil and channeled with flux guides to its desired destination to enhance the air-gap flux that produces torque. The magnetic field can also be weakened by reversing the current in the stationary excitation winding. A patent for advanced technology in this area is pending. Several additional RTFC methods have been discussed in open literature. These include methods of changing the number of poles by magnetizing and demagnetizing the magnets poles with pulses of current corresponding to direct-axis (d-axis) current of vector control [5,6], changing the number of stator coils [7], and controlling the air gap [8]. Test experience has shown that the magnet strengths may vary and weaken naturally as rotor temperature increases suggesting that careful control of the rotor temperature, which is no easy task, could yield another method of RTFC. The purpose of this report is to (1) examine the interaction of rotor and stator flux with regard to RTFC, (2) review and summarize the status of RTFC technology, and (3) compare and evaluate methods for RTFC with respect to maturity, advantages and limitations, deployment difficulty and relative complexity.

Otaduy, P.J.

2005-09-27T23:59:59.000Z

393

GAS TURBINES  

E-Print Network (OSTI)

In the age of volatile and ever increasing natural gas fuel prices, strict new emission regulations and technological advancements, modern IGCC plants are the answer to growing market demands for efficient and environmentally friendly power generation. IGCC technology allows the use of low cost opportunity fuels, such as coal, of which there is a more than a 200-year supply in the U.S., and refinery residues, such as petroleum coke and residual oil. Future IGCC plants are expected to be more efficient and have a potential to be a lower cost solution to future CO2 and mercury regulations compared to the direct coal fired steam plants. Siemens has more than 300,000 hours of successful IGCC plant operational experience on a variety of heavy duty gas turbine models in Europe and the U.S. The gas turbines involved range from SGT5-2000E to SGT6-3000E (former designations are shown on Table 1). Future IGCC applications will extend this experience to the SGT5-4000F and SGT6-4000F/5000F/6000G gas turbines. In the currently operating Siemens 60 Hz fleet, the SGT6-5000F gas turbine has the most operating engines and the most cumulative operating hours. Over the years, advancements have increased its performance and decreased its emissions and life cycle costs without impacting reliability. Development has been initiated to verify its readiness for future IGCC application including syngas combustion system testing. Similar efforts are planned for the SGT6-6000G and SGT5-4000F/SGT6-4000F models. This paper discusses the extensive development programs that have been carried out to demonstrate that target emissions and engine operability can be achieved on syngas operation in advanced F-class 50 Hz and 60 Hz gas turbine based IGCC applications.

Power For L; Satish Gadde; Jianfan Wu; Anil Gulati; Gerry Mcquiggan; Berthold Koestlin; Bernd Prade

2006-01-01T23:59:59.000Z

394

OBSERVATIONAL EVIDENCE OF A MAGNETIC FLUX ROPE ERUPTION  

E-Print Network (OSTI)

fields of the flux rope were partly opened due to magnetic reconnection. Subject headings: Sun: flares to escape with a fairly small reconnection rate in the vertical current sheet created below. Magnetic flux an interesting flux rope eruption model for fast CMEs, in which a flux rope is in a specific sling-shot field

395

Heterotic type IIA duality with fluxes - towards the complete story  

E-Print Network (OSTI)

In this paper we study the heterotic type IIA duality when fluxes are turned on. We show that many of the known fluxes are dual to each other and claim that certain fluxes on the heterotic side require that the type IIA picture is lifted to M or even F-theory compactifications with geometric fluxes.

Andrei Micu

2010-09-13T23:59:59.000Z

396

Integrated framework for the flux calculation of neutral species inside trenches and holes during plasma etching  

SciTech Connect

An integrated framework for the neutral flux calculation inside trenches and holes during plasma etching is described, and a comparison between the two types of structure in a number of applications is presented. First, a detailed and functional set of equations for the neutral and ion flux calculations inside long trenches and holes with cylindrical symmetry is explicitly formulated. This set is based on early works [T. S. Cale and G. B. Raupp, J. Vac. Sci. Technol. B 8, 1242 (1990); V. K. Singh et al., J. Vac. Sci. Technol. B 10, 1091 (1992)], and includes new equations for the case of holes with cylindrical symmetry. Second, a method for the solution of the respective numerical task, i.e., one or a set of linear or nonlinear integral equations, is described. This method includes a coupling algorithm with a surface chemistry model and resolves the singularity problem of the integral equations. Third, the fluxes inside trenches and holes are compared. The flux from reemission is the major portion of the local flux at the bottom of both types of structure. The framework is applied in SiO{sub 2} etching by fluorocarbon plasmas to predict the increased intensity of reactive ion etching lag in SiO{sub 2} holes compared to trenches. It is also applied in deep Si etching: By calculating the flux of F atoms at the bottom of very high aspect ratio (up to 150) Si trenches and holes during the gas chopping process, the aspect ratio at which the flux of F atoms is eliminated and etching practically stops is estimated.

Kokkoris, George; Boudouvis, Andreas G.; Gogolides, Evangelos [Institute of Microelectronics, NCSR ' Demokritos' , Aghia Paraskevi, Attiki 15310 (Greece); School of Chemical Engineering, National Technical University of Athens, Zographou Campus, Attiki 15780 (Greece); Institute of Microelectronics, NCSR ' Demokritos' , Aghia Paraskevi, Attiki 15310 (Greece)

2006-11-15T23:59:59.000Z

397

Effect of sample conditioning on the water absorption of ...  

Science Conference Proceedings (OSTI)

... the bottom surface of the sample to liquid water and ... of curvature, R is the universal gas constant, and T ... The sand used was natural river sand with a ...

2013-08-09T23:59:59.000Z

398

Gas laser  

SciTech Connect

According to the invention, the gas laser comprises a housing which accommodates two electrodes. One of the electrodes is sectional and has a ballast resistor connected to each section. One of the electrodes is so secured in the housing that it is possible to vary the spacing between the electrodes in the direction of the flow of a gas mixture passed through an active zone between the electrodes where the laser effect is produced. The invention provides for a maximum efficiency of the laser under different operating conditions.

Kosyrev, F. K.; Leonov, A. P.; Pekh, A. K.; Timofeev, V. A.

1980-08-12T23:59:59.000Z

399

ARM - Field Campaign - Precision Gas Sampling (PGS) Validation...  

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

a 2-week shakedown period. December 2001 to present: One system deployed at base of CF tower. Description To provide validation data for the PGS equipment that has been deployed...

400

Real-Time Gas Sampling Manifold - Available Technologies ...  

Computers & Electronics; Enabled by the Office of Science. Security & Privacy | Contact PNNL. Last Update: February 2012 | Pacific Northwest ...

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


401

September 2004 Water Sampling  

Office of Legacy Management (LM)

Green River, Utah, Disposal Site Green River, Utah, Disposal Site August 2013 LMS/GRN/S00613 This page intentionally left blank U.S. Department of Energy DVP-June 2013, Green River, Utah August 2013 RIN 13065402 Page i Contents Sampling Event Summary ...............................................................................................................1 Data Assessment Summary ..............................................................................................................7 Water Sampling Field Activities Verification Checklist .............................................................9 Laboratory Performance Assessment ........................................................................................11 Sampling Quality Control Assessment ......................................................................................18

402

Energy flux limitation by tame turbulence  

SciTech Connect

A quasi-linear theory of energy flux limitation by ion acoustic turbulence is presented. This distribution function is modelled by a Maxwellian plus an additional piece which carries a heat flux Q. By taking the fourth moment of the Vlasov equation one finds the anomalous thermal conductivity K approximately 3 v/sub e/ delta/sub De/ (e phi/T/sub e/)$sup -2$. Other moments treated self-consistently include anomalous ion heating, electron cooling, current generation and enhanced inverse bremsstrahlung due to the nonthermal ion fluctuations. (auth)

Manheimer, W.M.

1975-11-01T23:59:59.000Z

403

Plasma momentum meter for momentum flux measurements  

DOE Patents (OSTI)

Invention comprises an instrument in which momentum flux onto a biasable target plate is transferred via a suspended quartz tube onto a sensitive force transducer--a capacitance-type pressure gauge. The transducer is protected from thermal damage, arcing and sputtering, and materials used in the target and pendulum are electrically insulating, rigid even at elevated temperatures, and have low thermal conductivity. The instrument enables measurement of small forces (10.sup.-5 to 10.sup.3 N) accompanied by high heat fluxes which are transmitted by energetic particles with 10's of eV of kinetic energy in a intense magnetic field and pulsed plasma environment.

Zonca, Fulvio (Rome, IT); Cohen, Samuel A. (Hopewell, NJ); Bennett, Timothy (Princeton, NJ); Timberlake, John R. (Allentown, NJ)

1993-01-01T23:59:59.000Z

404

Plasma momentum meter for momentum flux measurements  

DOE Patents (OSTI)

Invention comprises an instrument in which momentum flux onto a biasable target plate is transferred via a suspended quartz tube onto a sensitive force transducer - a capacitance-type pressure gauge. The transducer is protected from thermal damage, arcing and sputtering, and materials used in the target and pendulum are electrically insulating, rigid even at elevated temperatures, and have low thermal conductivity. The instrument enables measurement of small forces (10{sup {minus}5} to 10{sup 3} N) accompanied by high heat fluxes which are transmitted by energetic particles with 10`s of eV of kinetic energy in an intense magnetic field and pulsed plasma environment.

Zonca, F.; Cohen, S.A.; Bennett, T.; Timberlake, J.R.

1991-12-31T23:59:59.000Z

405

Plasma momentum meter for momentum flux measurements  

DOE Patents (OSTI)

Invention comprises an instrument in which momentum flux onto a biasable target plate is transferred via a suspended quartz tube onto a sensitive force transducer - a capacitance-type pressure gauge. The transducer is protected from thermal damage, arcing and sputtering, and materials used in the target and pendulum are electrically insulating, rigid even at elevated temperatures, and have low thermal conductivity. The instrument enables measurement of small forces (10[sup [minus]5] to 10[sup 3] N) accompanied by high heat fluxes which are transmitted by energetic particles with 10's of eV of kinetic energy in an intense magnetic field and pulsed plasma environment.

Zonca, F.; Cohen, S.A.; Bennett, T.; Timberlake, J.R.

1991-01-01T23:59:59.000Z

406

Beacon Project - Unpredictable Sampling  

Science Conference Proceedings (OSTI)

... or undetected tampering), with the random number generator used for sampling can lead to erroneous estimates of the percentage of faulty parts. ...

2013-07-25T23:59:59.000Z

407

FANS - Sample Change  

Science Conference Proceedings (OSTI)

... result of neutrons with incident energies higher than ... between the sample position and the detector bank. ... 60 to 300 seconds per energy point and ...

408

September 2004 Water Sampling  

Office of Legacy Management (LM)

field procedures? Yes List any Program Directives or other documents, SOPs, instructions. Work Order Letter dated May 1, 2013. Program Directive SHL 2013 01. 2. Were the sampling...

409

FANS - Sample Change  

Science Conference Proceedings (OSTI)

... This is achieved by placing a cadmium shield between the sample position and the detector bank. In order to place the ...

410

Spatial Variability of Net Radiation and Soil Heat Flux Density on Two Logged Sites at Montmorency, Quebec  

Science Conference Proceedings (OSTI)

Net radiation data from 32 sample points and soil heat flux density values from six sample points on two logged sites at Montmorency in 1979 are presented. The two sites were of different ages; one had been clearcut in 1975 and the other in 1978. ...

J. H. McCaughey

1982-06-01T23:59:59.000Z

411

Nebraska Natural Gas Number of Gas and Gas Condensate Wells ...  

U.S. Energy Information Administration (EIA)

Nebraska Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9; 1980's: 15:

412

Mississippi Natural Gas Number of Gas and Gas Condensate Wells ...  

U.S. Energy Information Administration (EIA)

Mississippi Natural Gas Number of Gas and Gas Condensate Wells (Number of Elements) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9; 1980's:

413

Atmospheric neutrino flux at INO, South Pole and Pyhsalmi  

E-Print Network (OSTI)

We present the calculation of the atmospheric neutrino fluxes for the neutrino experiments proposed at INO, South Pole and Pyh\\"asalmi. Neutrino fluxes have been obtained using ATMNC, a simulation code for cosmic ray in the atmosphere. Even using the same primary flux model and the interaction model, the calculated atmospheric neutrino fluxes are different for the different sites due to the geomagnetic field. The prediction of these fluxes in the present paper would be quite useful in the experimental analysis.

M. Sajjad Athar; M. Honda; T. Kajita; K. Kasahara; S. Midorikawa

2012-10-18T23:59:59.000Z

414

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

1,554,530 1,554,530 311,229 3.51 3,094,431 15.67 442 15.08 299,923 5.72 105,479 3.86 210,381 6.66 927,454 4.64 Mountain Mountain 43. Summary Statistics for Natural Gas Mountain, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 38,711 38,987 37,366 39,275 38,944 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 30,965 34,975 38,539 38,775 41,236 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 2,352,729 2,723,393 3,046,159 3,131,205 3,166,689 From Oil Wells ........................................... 677,771 535,884 472,397 503,986 505,903 Total.............................................................. 3,030,499 3,259,277 3,518,556

415

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

1,592,465 1,592,465 716,648 8.08 239,415 1.21 182 6.21 457,792 8.73 334,123 12.23 320,153 10.14 1,828,898 9.14 South Atlantic South Atlantic 40. Summary Statistics for Natural Gas South Atlantic, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 3,307 3,811 4,496 4,427 4,729 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 39,412 35,149 41,307 37,822 36,827 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 206,766 208,892 234,058 236,072 233,409 From Oil Wells ........................................... 7,584 8,011 8,468 7,133 6,706 Total.............................................................. 214,349 216,903 242,526 243,204 240,115

416

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

1,999,161 1,999,161 895,529 10.10 287,933 1.46 1,402 47.82 569,235 10.86 338,640 12.39 308,804 9.78 2,113,610 10.57 Pacific Contiguous Pacific Contiguous 44. Summary Statistics for Natural Gas Pacific Contiguous, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 3,896 3,781 3,572 3,508 2,082 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 1,142 1,110 1,280 1,014 996 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 156,635 124,207 117,725 96,329 88,173 From Oil Wells ........................................... 294,800 285,162 282,227 289,430 313,581 Total.............................................................. 451,435 409,370

417

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

-122,394 -122,394 49,997 0.56 178,984 0.91 5 0.17 37,390 0.71 205 0.01 28,025 0.89 115,622 0.58 West Virginia West Virginia 96. Summary Statistics for Natural Gas West Virginia, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 2,356 2,439 2,565 2,499 2,703 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 38,250 33,716 39,830 36,144 35,148 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... E 182,000 171,024 183,773 186,231 178,984 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. E 182,000 171,024 183,773 186,231 178,984 Repressuring ................................................

418

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

134,294 32,451 0.37 0 0.00 32 1.09 43,764 0.83 10,456 0.38 39,786 1.26 126,488 0.63 C o n n e c t i c u t Connecticut 54. Summary Statistics for Natural Gas Connecticut, 1992-1996...

419

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

73,669 73,669 141,300 1.59 221,822 1.12 3 0.10 46,289 0.88 33,988 1.24 31,006 0.98 252,585 1.26 A r k a n s a s Arkansas 51. Summary Statistics for Natural Gas Arkansas, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 1,750 1,552 1,607 1,563 1,470 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 3,500 3,500 3,500 3,988 4,020 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 171,543 166,273 161,967 161,390 182,895 From Oil Wells ........................................... 39,364 38,279 33,446 33,979 41,551 Total.............................................................. 210,906 204,552 195,413 195,369 224,446 Repressuring ................................................

420

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

-1,080,240 -1,080,240 201,024 2.27 1,734,887 8.78 133 4.54 76,629 1.46 136,436 4.99 46,152 1.46 460,373 2.30 O k l a h o m a Oklahoma 84. Summary Statistics for Natural Gas Oklahoma, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 13,926 13,289 13,487 13,438 13,074 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 28,902 29,118 29,121 29,733 29,733 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 1,674,405 1,732,997 1,626,858 1,521,857 1,467,695 From Oil Wells ........................................... 342,950 316,945 308,006 289,877 267,192 Total.............................................................. 2,017,356 2,049,942 1,934,864

Note: This page contains sample records for the topic "gas flux sampling" 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

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

7,038,115 7,038,115 3,528,911 39.78 13,646,477 69.09 183 6.24 408,861 7.80 1,461,718 53.49 281,452 8.91 5,681,125 28.40 West South Central West South Central 42. Summary Statistics for Natural Gas West South Central, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 87,198 84,777 88,034 88,734 62,357 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 92,212 95,288 94,233 102,525 102,864 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 11,599,913 11,749,649 11,959,444 11,824,788 12,116,665 From Oil Wells ........................................... 2,313,831 2,368,395 2,308,634 2,217,752 2,151,247 Total..............................................................

422

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

77,379 77,379 94,481 1.07 81,435 0.41 8 0.27 70,232 1.34 1,836 0.07 40,972 1.30 207,529 1.04 K e n t u c k y Kentucky 65. Summary Statistics for Natural Gas Kentucky, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 1,084 1,003 969 1,044 983 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 12,483 12,836 13,036 13,311 13,501 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 79,690 86,966 73,081 74,754 81,435 From Oil Wells ........................................... 0 0 0 0 0 Total.............................................................. 79,690 86,966 73,081 74,754 81,435 Repressuring ................................................

423

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

-67,648 -67,648 75,616 0.85 480,828 2.43 0 0.00 16,720 0.32 31,767 1.16 29,447 0.93 153,549 0.77 Pacific Noncontiguous Pacific Noncontiguous 45. Summary Statistics for Natural Gas Pacific Noncontiguous, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 9,638 9,907 9,733 9,497 9,294 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 112 113 104 100 102 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 198,603 190,139 180,639 179,470 183,747 From Oil Wells ........................................... 2,427,110 2,588,202 2,905,261 3,190,433 3,189,837 Total.............................................................. 2,625,713 2,778,341

424

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

-310,913 -310,913 110,294 1.24 712,796 3.61 2 0.07 85,376 1.63 22,607 0.83 57,229 1.81 275,508 1.38 K a n s a s Kansas 64. Summary Statistics for Natural Gas Kansas, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 9,681 9,348 9,156 8,571 7,694 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 18,400 19,472 19,365 22,020 21,388 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 580,572 605,578 628,900 636,582 629,755 From Oil Wells ........................................... 79,169 82,579 85,759 86,807 85,876 Total.............................................................. 659,741 688,157 714,659 723,389 715,631 Repressuring ................................................

425

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

819,046 819,046 347,043 3.91 245,740 1.24 40 1.36 399,522 7.62 32,559 1.19 201,390 6.38 980,555 4.90 M i c h i g a n Michigan 70. Summary Statistics for Natural Gas Michigan, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 1,223 1,160 1,323 1,294 2,061 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 3,257 5,500 6,000 5,258 5,826 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 120,287 126,179 136,989 146,320 201,123 From Oil Wells ........................................... 80,192 84,119 91,332 97,547 50,281 Total.............................................................. 200,479 210,299 228,321 243,867 251,404 Repressuring ................................................

426

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

W W y o m i n g -775,410 50,253 0.57 666,036 3.37 14 0.48 13,534 0.26 87 0.00 9,721 0.31 73,609 0.37 Wyoming 98. Summary Statistics for Natural Gas Wyoming, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 10,826 10,933 10,879 12,166 12,320 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 3,111 3,615 3,942 4,196 4,510 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 751,693 880,596 949,343 988,671 981,115 From Oil Wells ........................................... 285,125 142,006 121,519 111,442 109,434 Total.............................................................. 1,036,817 1,022,602 1,070,862 1,100,113 1,090,549 Repressuring

427

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

-67,648 -67,648 75,616 0.85 480,828 2.43 0 0.00 16,179 0.31 31,767 1.16 27,315 0.86 150,877 0.75 A l a s k a Alaska 49. Summary Statistics for Natural Gas Alaska, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 9,638 9,907 9,733 9,497 9,294 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 112 113 104 100 102 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 198,603 190,139 180,639 179,470 183,747 From Oil Wells ........................................... 2,427,110 2,588,202 2,905,261 3,190,433 3,189,837 Total.............................................................. 2,625,713 2,778,341 3,085,900 3,369,904 3,373,584 Repressuring

428

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

628,189 628,189 449,511 5.07 765,699 3.88 100 3.41 528,662 10.09 39,700 1.45 347,721 11.01 1,365,694 6.83 West North Central West North Central 39. Summary Statistics for Natural Gas West North Central, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 10,177 9,873 9,663 9,034 8,156 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 18,569 19,687 19,623 22,277 21,669 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 594,551 626,728 651,594 655,917 648,822 From Oil Wells ........................................... 133,335 135,565 136,468 134,776 133,390 Total.............................................................. 727,886 762,293

429

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

1,048,760 1,048,760 322,661 3.64 18,131 0.09 54 1.84 403,264 7.69 142,688 5.22 253,075 8.01 1,121,742 5.61 N e w Y o r k New York 80. Summary Statistics for Natural Gas New York, 1992-1996 Table 1992 1993 1994 1995 1996 Reserves (billion cubic feet) Estimated Proved Reserves (dry) as of December 31 ....................................... 329 264 242 197 232 Number of Gas and Gas Condensate Wells Producing at End of Year.............................. 5,906 5,757 5,884 6,134 6,208 Production (million cubic feet) Gross Withdrawals From Gas Wells ......................................... 22,697 20,587 19,937 17,677 17,494 From Oil Wells ........................................... 824 610 539 723 641 Total.............................................................. 23,521 21,197 20,476 18,400 18,134 Repressuring ................................................

430

Natural Gas  

Annual Energy Outlook 2012 (EIA)

3.91 119,251 0.60 229 7.81 374,824 7.15 2,867 0.10 189,966 6.01 915,035 4.57 O h i o Ohio 83. Summary Statistics for Natural Gas Ohio, 1992-1996 Table 1992 1993 1994 1995 1996...

431

Natural Gas  

Gasoline and Diesel Fuel Update (EIA)

0 0.00 53 1.81 147,893 2.82 7,303 0.27 93,816 2.97 398,581 1.99 W i s c o n s i n Wisconsin 97. Summary Statistics for Natural Gas Wisconsin, 1992-1996 Table 1992 1993 1994...

432

Gas Prices  

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

Prices Gasoline Prices for U.S. Cities Click on the map to view gas prices for cities in your state. AK VT ME NH NH MA MA RI CT CT DC NJ DE DE NY WV VA NC SC FL GA AL MS TN KY IN...

433

Natural Gas  

Annual Energy Outlook 2012 (EIA)

10,799 1,953 0.02 0 0.00 0 0.00 2,523 0.05 24 0.00 2,825 0.09 7,325 0.04 V e r m o n t Vermont 93. Summary Statistics for Natural Gas Vermont, 1992-1996 Table 1992 1993 1994 1995...

434

Natural Gas  

Annual Energy Outlook 2012 (EIA)

845,998 243,499 2.75 135,000 0.68 35 1.19 278,606 5.32 7,239 0.26 154,642 4.90 684,022 3.42 P e n n s y l v a n i a Pennsylvania 86. Summary Statistics for Natural Gas...

435

Sampling system and method  

DOE Patents (OSTI)

The present disclosure provides an apparatus and method for coupling conduit segments together. A first pump obtains a sample and transmits it through a first conduit to a reservoir accessible by a second pump. The second pump further conducts the sample from the reservoir through a second conduit.

Decker, David L.; Lyles, Brad F.; Purcell, Richard G.; Hershey, Ronald Lee

2013-04-16T23:59:59.000Z

436

2003 CBECS Sample Design  

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

Technical Information > Sample Design Technical Information > Sample Design How the Survey Was Conducted 2003 Commercial Buildings Energy Consumption Survey: Sample Design Introduction The Commercial Buildings Energy Consumption Survey (CBECS) is conducted quadrennially by the Energy Information Administration (EIA) to provide basic statistical information about energy consumption and expenditures in U.S. commercial buildings and information about energy-related characteristics of these buildings. The survey is based upon a sample of commercial buildings selected according to the sample design requirements described below. A “building,” as opposed to an “establishment,” is the basic unit of analysis for the CBECS because the building is the energy-consuming unit. The 2003 CBECS was the eighth survey conducted since 1979

437

Biological sample collector  

DOE Patents (OSTI)

A biological sample collector is adapted to a collect several biological samples in a plurality of filter wells. A biological sample collector may comprise a manifold plate for mounting a filter plate thereon, the filter plate having a plurality of filter wells therein; a hollow slider for engaging and positioning a tube that slides therethrough; and a slide case within which the hollow slider travels to allow the tube to be aligned with a selected filter well of the plurality of filter wells, wherein when the tube is aligned with the selected filter well, the tube is pushed through the hollow slider and into the selected filter well to sealingly engage the selected filter well and to allow the tube to deposit a biological sample onto a filter in the bottom of the selected filter well. The biological sample collector may be portable.

Murphy, Gloria A. (French Camp, CA)

2010-09-07T23:59:59.000Z

438

Sample push out fixture  

DOE Patents (OSTI)

This invention generally relates to the remote removal of pelletized samples from cylindrical containment capsules. V-blocks are used to receive the samples and provide guidance to push out rods. Stainless steel liners fit into the v-channels on the v-blocks which permits them to be remotely removed and replaced or cleaned to prevent cross contamination between capsules and samples. A capsule holder securely holds the capsule while allowing manual up/down and in/out movement to align each sample hole with the v-blocks. Both end sections contain identical v-blocks; one that guides the drive out screw and rods or manual push out rods and the other to receive the samples as they are driven out of the capsule.

Biernat, John L.

2000-02-22T23:59:59.000Z

439

Sample Changes and Issues  

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

Sample and Model Issues Sample and Model Issues Summary Our comprehensive review of the EIA 914 has confirmed that discrepancies can arise between estimates for December of one year and January of the next. These are most evident for Texas estimates between December 2008 and January 2009. Reports now available from HPDI show that production for all the companies we sampled in both 2008 and 2009 rose by about 60 million cubic feet per day (MMcf/d) in January and that total production in Texas rose by a similar amount. Our estimate was a decrease of 360 MMcf/d. Why the difference? Computationally, EIA-914 estimates depend on two factors: * Reports from the companies in the survey sample * An expansion factor to estimate total production from the sample's reported

440

Radiation from Kinetic Poynting Flux Acceleration  

E-Print Network (OSTI)

We derive analytic formulas for the power output and critical frequency of radiation by electrons accelerated by relativistic kinetic Poynting flux, and validate these results with Particle-In-Cell plasma simulations. We find that the in-situ radiation power output and critical frequency are much below those predicted by the classical synchrotron formulae. We discuss potential astrophysical applications of these results.

Edison Liang; Koichi Noguchi

2007-04-13T23:59:59.000Z

Note: This page contains sample records for the topic "gas flux sampling" 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

Gradiometric flux qubits with tunable gap  

E-Print Network (OSTI)

For gradiometric three-Josephson-junction flux qubits, we perform a systematic study on the tuning of the minimal transition frequency, the so-called qubit gap. By replacing one of the qubit's Josephson junctions by a dc SQUID, the critical current of this SQUID and, in turn, the qubit gap can be tuned in situ by a control flux threading the SQUID loop. We present spectroscopic measurements demonstrating a well-defined controllability of the qubit gap between zero and more than 10 GHz. In the future, this enables one to tune the qubit into and out of resonance with other superconducting quantum circuits, while operating the qubit at its symmetry point with optimal dephasing properties. The experimental data agree very well with model calculations based on the full qubit Hamiltonian. From a numerical fit, we determine the Josephson coupling and the charging energies of the qubit junctions. The derived values agree well with those measured for other junctions fabricated on the same chip. We also demonstrate the biasing of gradiometric flux qubits near the symmetry point by trapping an odd number of flux quanta in the gradiometer loop. In this way, we study the effect of the significant kinetic inductance, thereby obtaining valuable information for the qubit design.

M. J. Schwarz; J. Goetz; Z. Jiang; T. Niemczyk; F. Deppe; A. Marx; R. Gross

2012-10-15T23:59:59.000Z

442

Estimation of Global Ground Heat Flux  

Science Conference Proceedings (OSTI)

This study investigates the use of a previously published algorithm for estimating ground heat flux (GHF) at the global scale. The method is based on an analytical solution of the diffusion equation for heat transfer in a soil layer and has been ...

William B. Bennett; Jingfeng Wang; Rafael L. Bras

2008-08-01T23:59:59.000Z

443

A Convective Transport Theory for Surface Fluxes  

Science Conference Proceedings (OSTI)

For a boundary layer in free convection where turbulent thermal structures communicate information between the surface and the interior of the mixed layer, it is hypothesized that the surface momentum flux can be parameterized by u*2 = bDwBMML, ...

Roland B. Stull

1994-01-01T23:59:59.000Z

444

URANIUM MILL TAILINGS RADON FLUX CALCULATIONS  

E-Print Network (OSTI)

URANIUM MILL TAILINGS RADON FLUX CALCULATIONS PI?ON RIDGE PROJECT MONTROSE COUNTY, COLORADO (EFRC) proposes to license, construct, and operate a conventional acid leach uranium and vanadium mill storage pad, and access roads. The mill is designed to process ore containing uranium and vanadium

445

Flux Power Incorporated | Open Energy Information  

Open Energy Info (EERE)

Flux Power Incorporated Flux Power Incorporated Jump to: navigation, search Name Flux Power Incorporated Place Vista, California Zip 92081 Product California-based FLux Ppower was created in late-2009 to provide monitoring, diagnostics and charging technology aimed at extending the life of lithium-ion batteries. The company signed a supply deal with Wheego in January 2010. Coordinates 37.989712°, -93.665689° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":37.989712,"lon":-93.665689,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

446

Defect-free ultrahigh flux asymmetric membranes  

DOE Patents (OSTI)

Defect-free, ultrahigh flux integrally-skinned asymmetric membranes having extremely thin surface layers (<0.2 .mu.m) comprised of glassy polymers are disclosed. The membranes are formed by casting an appropriate drope followed by forced convective evaporation of solvent to obtain a dry phase separated asymmetrical structure. The structure is then washed in a precipitation liquid and dried.

Pinnau, Ingo (Austin, TX); Koros, William J. (Austin, TX)

1990-01-01T23:59:59.000Z

447

Magnetometry with entangled atomic samples  

E-Print Network (OSTI)

We present a theory for the estimation of a scalar or a vector magnetic field by its influence on an ensemble of trapped spin polarized atoms. The atoms interact off-resonantly with a continuous laser field, and the measurement of the polarization rotation of the probe light, induced by the dispersive atom-light coupling, leads to spin-squeezing of the atomic sample which enables an estimate of the magnetic field which is more precise than that expected from standard counting statistics. For polarized light and polarized atoms, a description of the non-classical components of the collective spin angular momentum for the atoms and the collective Stokes vectors of the light-field in terms of effective gaussian position and momentum variables is practically exact. The gaussian formalism describes the dynamics of the system very effectively and accounts explicitly for the back-action on the atoms due to measurement and for the estimate of the magnetic field. Multi-component magnetic fields are estimated by the measurement of suitably chosen atomic observables and precision and efficiency is gained by dividing the atomic gas in two or more samples which are entangled by the dispersive atom-light interaction.

Vivi Petersen; Lars Bojer Madsen; Klaus Molmer

2004-09-28T23:59:59.000Z

448

Unconventional Natural Gas  

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

Natural Gas Unconventional Natural Gas Los Alamos scientists are committed to the efficient and environmentally-safe development of major U.S. natural gas and oil resources....

449

Underground Natural Gas Storage  

U.S. Energy Information Administration (EIA)

Underground Natural Gas Storage. Measured By. Disseminated Through. Monthly Survey of Storage Field Operators -- asking injections, withdrawals, base gas, working gas.

450

,"Texas Natural Gas Summary"  

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

Natural Gas Wellhead Price (Dollars per Thousand Cubic Feet)","Texas Natural Gas Imports Price (Dollars per Thousand Cubic Feet)","Price of Texas Natural Gas Exports...

451

,"Mississippi Natural Gas Summary"  

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

Natural Gas Wellhead Price (Dollars per Thousand Cubic Feet)","Mississippi Natural Gas Imports Price All Countries (Dollars per Thousand Cubic Feet)","Mississippi Natural Gas...

452

,"Montana Natural Gas Summary"  

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

Natural Gas Wellhead Price (Dollars per Thousand Cubic Feet)","Montana Natural Gas Imports Price (Dollars per Thousand Cubic Feet)","Price of Montana Natural Gas Exports...

453

,"Michigan Natural Gas Summary"  

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

Natural Gas Wellhead Price (Dollars per Thousand Cubic Feet)","Michigan Natural Gas Imports Price (Dollars per Thousand Cubic Feet)","Price of Michigan Natural Gas Exports...

454

2. Gas Productive Capacity  

U.S. Energy Information Administration (EIA)

2. Gas Productive Capacity Gas Capacity to Meet Lower 48 States Requirements The United States has sufficient dry gas productive capacity at the wellhead to meet ...

455

Carbon sequestration in natural gas reservoirs: Enhanced gas recovery and natural gas storage  

E-Print Network (OSTI)

by numerical simulation below. pipeline gas shalecushion gas sand shale CH4 working gas CH4 working gas sand

Oldenburg, Curtis M.

2003-01-01T23:59:59.000Z

456

Kinetics of the wetting of tin on air-passivated copper in the absence of a fluxing agent  

SciTech Connect

A specially designed ultrahigh vacuum in situ surface analysis and wetting system has been constructed to study the spreading of liquid metal solders on carefully prepared and well-characterized solid substrates. Initial studies have been completed for the spreading of pure tin solder on copper substrates in the absence of any fluxing agent. Surface chemical analysis by x-ray photoelectron spectroscopy showed the air-exposed surface to consisted of about 3 nm of Cu{sub 2}O, while the as-received surface consisted of about 8 nm of Cu{sub 2}O. The sputter-cleaned surface contained less than one monolayer (0.3 nm) of Cu{sub 2}O. Sample surfaces were prepared and spreading experiments performed without intermediate exposure of the surfaces to contaminating atmospheres. Solder spreading was performed under 50 torr of highly purified helium gas to allow for adequate thermal coupling between the solder and the substrate. Spreading experiments utilizing a linear temperature ramp show that pure tin solder spreads readily on oxidized copper surfaces at elevated temperatures. The initiation temperature for rapid tin spreading on the as-received copper surface was 325{degrees}C, similar to the temperature where isothermal spreading changes activation energy or rate. Decreasing the thickness of the oxide on the surface lowered the observed temperature for the initiation of spreading and increased the rate of spreading. On the sputter-cleaned copper surface, rapid solder spreading was observed immediately upon melting of the solder.

Peebles, D.E.; Peebles, H.C.; Ohlhausen, J.A.; Yost, F.G.

1994-10-01T23:59:59.000Z

457

GAS SEAL  

DOE Patents (OSTI)

A seal is described for a cover closing an opening in the top of a pressure vessel that may house a nuclear reactor. The seal comprises a U-shaped trough formed on the pressure vessel around the opening therein, a mass of metal in the trough, and an edge flange on the cover extending loosely into the trough and dipping into the metal mass. The lower portion of the metal mass is kept melted, and the upper portion, solid. The solid pontion of the metal mass prevents pressure surges in the vessel from expelling the liquid portion of the metal mass from the trough; the liquld portion, thus held in place by the solid portion, does not allow gas to go through, and so gas cannot escape through shrinkage holes in the solid portion.

Monson, H.; Hutter, E.

1961-07-11T23:59:59.000Z

458

Shale gas is natural gas trapped inside  

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

Shale gas is natural gas trapped inside formations of shale - fine grained sedimentary rocks that can be rich sources of petroleum and natural gas. Just a few years ago, much of...

459

Definition: Downhole Fluid Sampling | Open Energy Information  

Open Energy Info (EERE)

Definition Definition Edit with form History Facebook icon Twitter icon » Definition: Downhole Fluid Sampling Jump to: navigation, search Dictionary.png Downhole Fluid Sampling Downhole fluid sampling is done to characterize the chemical, thermal, or hydrological properties of a surface or subsurface aqueous system. Downhole fluid sampling is typically performed to monitor water quality, study recharge and flow in groundwater systems, and evaluate resource potential of geothermal reservoirs. Analysis of both the liquid and gas fractions of the reservoir fluid allows for detailed characterize the chemical, thermal, or hydrological properties of the subsurface hydrothermal system. View on Wikipedia Wikipedia Definition Ret Like Like You like this.Sign Up to see what your friends like.

460

September 2004 Water Sampling  

Office of Legacy Management (LM)

was not identified at many groundwater locations. 18. Was the presence or absence of ice in the cooler documented at every sample location? Yes 19. Were water levels measured...

Note: This page contains sample records for the topic "gas flux sampling" 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

Computer Science Sample Occupations  

E-Print Network (OSTI)

Computer Science Sample Occupations COMPUTER OPERATIONS Computer Hardware/ Software Engineer Computer Operator Database Manager/ Administrator Data Entry Operator Operations Manager DESIGN & MANUFACTURING, ENGINEERING Coder CAD Computer Applications Engineers Computer Research Scientist Computer

Ronquist, Fredrik

462

Surface Heat Flux Variations across the Kuroshio Extension as Observed by Surface Flux Buoys  

Science Conference Proceedings (OSTI)

Wintertime sea surface heat flux variability across the Kuroshio Extension (KE) front is analyzed using data from the Kuroshio Extension Observatory (KEO) buoy in the Kuroshio recirculation gyre south of the KE front and from the Japan Agency for ...

Masanori Konda; Hiroshi Ichikawa; Hiroyuki Tomita; Meghan F. Cronin

2010-10-01T23:59:59.000Z

463

Turbulent Fluxes in the Hurricane Boundary Layer. Part II: Latent Heat Flux  

Science Conference Proceedings (OSTI)

As part of the recent ONR-sponsored Coupled Boundary Layer AirSea Transfer (CBLAST) Departmental Research Initiative, an aircraft was instrumented to carry out direct turbulent flux measurements in the high wind boundary layer of a hurricane. ...

William M. Drennan; Jun A. Zhang; Jeffrey R. French; Cyril McCormick; Peter G. Black

2007-04-01T23:59:59.000Z

464

The effect of nonuniform axial heat flux distribution on the critical heat flux  

E-Print Network (OSTI)

A systematic experimental and analytic investigation of the effect of nonuniform axial heat flux distribution on critical heat rilux was performed with water in the quality condition. Utilizing a model which ascribes the ...

Todreas, Neil E.

1965-01-01T23:59:59.000Z

465

SAMPLING AND ANALYSIS PROTOCOLS  

SciTech Connect

Radiological sampling and analyses are performed to collect data for a variety of specific reasons covering a wide range of projects. These activities include: Effluent monitoring; Environmental surveillance; Emergency response; Routine ambient monitoring; Background assessments; Nuclear license termination; Remediation; Deactivation and decommissioning (D&D); and Waste management. In this chapter, effluent monitoring and environmental surveillance programs at nuclear operating facilities and radiological sampling and analysis plans for remediation and D&D activities will be discussed.

Jannik, T; P Fledderman, P

2007-02-09T23:59:59.000Z

466

Determination of total gas in lithium tritide-deuteride compounds  

DOE Green Energy (OSTI)

Lithium tritide--deuteride samples are enclosed in a copper foil and decomposed by heating to 850/sup 0/C in a copper reaction tube in vacuum. The temperature and pressure of the evolved gas, collected in a measured volume using a Toepler pump, are measured to determine the total moles of gas released from the sample. The gas is transferred to a removable sample bulb and, if required, analyzed for gaseous constituents by mass spectrometry. Based on 14 total gas determinations for a lithium deuteride sample, the calculated relative standard deviation was 1.0% and the estimated bias was <2.5%.

Smith, M.E.; Koski, N.L.; Waterbury, G.R.

1979-04-01T23:59:59.000Z

467

NETL: Oil & Natural Gas Technologies Reference Shelf - Presentation...  

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

strength and acoustic properties of repressurized samples from the 2006 National Gas Hydrate Program of India Expedition Triaxial strength and acoustic properties of...

468

DOE - Fossil Energy: DOE Natural Gas Regulatory Program  

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

and Sample Report Formats & Guidelines - Browse Applications submitted to DOE - LNG Export, Previously Imported and Long Term Natural Gas Dockets - Application Status,...

469

HIGH FLUX ISOTOPE REACTOR PRELIMINARY DESIGN STUDY  

SciTech Connect

A comparison of possible types of research reactors for the production of transplutonium elements and other isotopes indicates that a flux-trap reactor consisting of a beryllium-reflecteds light-water-cooled annular fuel region surrounding a light-water island provides the required thermal neutron fluxes at minimum cost. The preliminary desigu of such a reactor was carried out on the basis of a parametric study of the effect of dimensions of the island and fuel regions heat removal rates, and fuel loading on the achievable thermal neutmn fluxes in the island and reflector. The results indicate that a 12- to 14-cm- diam. island provides the maximum flux for a given power density. This is in good agreement with the US8R critical experiments. Heat removal calculations indicate that average power densities up to 3.9 Mw/liter are achievable with H/ sub 2/O-cooled, platetype fuel elements if the system is pressurized to 650 psi to prevent surface boiling. On this basis, 100 Mw of heat can be removed from a 14-cm-ID x 36-cm-OD x 30.5-cm-long fuel regions resulting in a thermal neutron flux of 3 x 10/sup 15/ in the island after insertion of 100 g of Cm/sup 244/ or equivalent. The resulting production of Cf/sup 252/ amounts to 65 mg for a 1 1/2- year irradiation. Operation of the reactor at the more conservative level of 67 Mw, providing an irradiation flux of 2 x 10/sup 15/ in the islands will result in the production of 35 mg of Cf/sup 252/ per 18 months from 100 g of Cm/sup 244/. A development program is proposed to answer the question of the feasibility of the higher power operation. In addition to the central irradiation facility for heavyelement productions the HFIR contains ten hydraulic rabbit tubes passing through the beryllium reflector for isotope production and four beam holes for basic research, Preliminary estimates indicate that the cost of the facility, designed for an operating power level of 100 Mw, will be approximately 2 million. (auth)

Lane, J.A.; Cheverton, R.D.; Claiborne, G.C.; Cole, T.E.; Gambill, W.R.; Gill, J.P.; Hilvety, N.; McWherther, J.R.; Vroom, D.W.

1959-03-20T23:59:59.000Z

470

Number of Gas and Gas Condensate Wells  

Annual Energy Outlook 2012 (EIA)

5 2000 2001 2002 2003 2004 Number of Gas and Gas Condensate Wells Producing at End of Year ... 152 170 165 195 224 Production (million cubic feet)...

471

Number of Gas and Gas Condensate Wells  

Gasoline and Diesel Fuel Update (EIA)

9 2000 2001 2002 2003 2004 Number of Gas and Gas Condensate Wells Producing at End of Year ... 280 300 225 240 251 Production (million cubic feet)...

472

Natural Gas Gross Withdrawals from Gas Wells  

U.S. Energy Information Administration (EIA)

Natural Gas Gross Withdrawals and Production (Volumes in Million Cubic Feet) Data Series: ... coalbed production data are included in Gas Well totals.

473

Natural Gas Gross Withdrawals from Gas Wells  

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

Withdrawals from Gas Wells Gross Withdrawals from Oil Wells Gross Withdrawals from Shale Gas Wells Gross Withdrawals from Coalbed Wells Repressuring Vented and Flared...

474

Combustion and Inert Gas Fusion Analysis  

Science Conference Proceedings (OSTI)

...high-temperature combustion and inert gas fusion processes is shown in Fig. 8 . Small samples of known weight are heated to very high temperatures. The elements of interest are driven off as either elemental gas or gaseous oxidation products. These gaseous products are then

475

Natural Gas Vehicles  

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

Natural gas vehicles (NGVs) are either fueled exclusively with compressed natural gas or liquefied natural gas (dedicated NGVs) or are capable of natural gas and gasoline fueling (bi-fuel NGVs).

476

Natural Gas Monthly  

Annual Energy Outlook 2012 (EIA)

Gas: Gas in place at the time that a reservoir was converted to use as an underground storage reservoir, as in contrast to injected gas volumes. Natural Gas: A gaseous mixture...

477

Surface fluxes important to cloud development  

SciTech Connect

To address some of the issues in scaling and averaging of measurements, collaborative field campaigns were conducted in June 1991 and 1992 by the DOE laboratories funded under the ARM program. We selected a site in Boardman, OR, with two distinct regions where the sensible and latent heat fluxes would differ sharply and where each region was sufficiently extensive for full development of boundary layers and for utilizing aircraft-mounted instrument systems (Barnes et al. 1992, Doran et al. 1992). Measurements were clustered along a 16-km transect across adjoining irrigated farmland and semi-arid rangeland regions that allowed the collaborating teams to conduct a variety of studies relating to overall goals. The Los Alamos team efforts were focused on assessing the effects of different surface characteristics on fluxes of heat and water vapor.

Barnes, F.J.; Porch, W. [Los Alamos National Lab., NM (United States); Kunkel, K.E. [Illinois State Water Survey, Champaign, IL (United States)

1993-07-01T23:59:59.000Z

478

Surface fluxes important to cloud development  

SciTech Connect

To address some of the issues in scaling and averaging of measurements, collaborative field campaigns were conducted in June 1991 and 1992 by the DOE laboratories funded under the ARM program. We selected a site in Boardman, OR, with two distinct regions where the sensible and latent heat fluxes would differ sharply and where each region was sufficiently extensive for full development of boundary layers and for utilizing aircraft-mounted instrument systems (Barnes et al. 1992, Doran et al. 1992). Measurements were clustered along a 16-km transect across adjoining irrigated farmland and semi-arid rangeland regions that allowed the collaborating teams to conduct a variety of studies relating to overall goals. The Los Alamos team efforts were focused on assessing the effects of different surface characteristics on fluxes of heat and water vapor.

Barnes, F.J.; Porch, W. (Los Alamos National Lab., NM (United States)); Kunkel, K.E. (Illinois State Water Survey, Champaign, IL (United States))

1993-01-01T23:59:59.000Z