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

Thermodynamics Research Center Group  

Science Conference Proceedings (OSTI)

Thermodynamics Research Center. Welcome. TRC supplies thermodynamic properties tables, thermophysical properties data, models, standards ...

2012-11-14T23:59:59.000Z

2

Thermodynamics Research Center - Thermophysical ...  

Science Conference Proceedings (OSTI)

Thermodynamics Research Center. TRC supplies thermodynamic properties tables, thermophysical properties data, models, standards and ...

3

BNL | Atmospheric Systems Research  

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

Atmospheric System Research is a DOE observation-based research program Atmospheric System Research is a DOE observation-based research program created to advance process-level understanding of the key interactions among aerosols, clouds, precipitation, radiation, dynamics, and thermodynamics, with the ultimate goal of reducing the uncertainty in global and regional climate simulations and projections. General areas of research at BNL under this program include studies of aerosol and cloud lifecycles, and cloud-aerosol-precipitation interactions. Contact Robert McGraw, 631.344.3086 aerosols Aerosol Life Cycle The strategic focus of the Aerosol Life Cycle research is observation-based process science-examining the properties and evolution of atmospheric aerosols. Observations come from both long-term studies conducted by the

4

Thermodynamic Software Research Platform - TMS  

Science Conference Proceedings (OSTI)

Mar 14, 2008 ... Automatic generation of data using ab initio and statistical mechanics ... for thermodynamic calculations, and a couple of simple front ends.

5

Trend Analysis for Atmospheric Hydrocarbon Partitioning Using Continuous Thermodynamics  

Science Conference Proceedings (OSTI)

The partitioning of atmospheric hydrocarbons into vapor and condensed phases when the species count is large is considered using the formalism of continuous thermodynamics. The vapor saturation pressures and condensate species distribution are ...

K. Harstad

2005-08-01T23:59:59.000Z

6

A Computational Thermodynamic Analysis of Atmospheric ...  

Science Conference Proceedings (OSTI)

Feb 1, 2001 ... The vacuum atmosphere is typically 0.1 atm. However, the vacuum atmosphere creates two major problems: air leakage and batch operation to ...

7

Atmospheric Mercury Research Update  

Science Conference Proceedings (OSTI)

This report is a summary and analysis of research findings on utility and environmental mercury from 1997 to 2003. The update categorizes and describes recent work on mercury in utility-burned coal and its route through power plants, the measures for its control, and its fate in the environment following emissions from utility stacks. This fate includes atmospheric chemistry and transport, deposition to land and water surfaces, aquatic cycling, the dynamics of mercury in freshwater fish food webs, and th...

2004-03-30T23:59:59.000Z

8

ORISE: Climate and Atmospheric Research  

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

Climate and Atmospheric Research Climate and Atmospheric Research Capabilities Overview U.S. Climate Reference Network U.S. Historical Climate Network Contact Us Oak Ridge Institute for Science Education Climate and Atmospheric Research The Oak Ridge Institute for Science and Education (ORISE) partners with the National Oceanic and Atmospheric Administration's Atmospheric Turbulence and Diffusion Division (ATDD) to conduct climate research focused on issues of national and global importance. Research is performed with personnel support from ORISE's Independent Environmental Assessment and Verification (IEAV) programs, as well as in collaboration with scientists and engineers from Oak Ridge National Laboratory (ORNL), and numerous other organizations, government agencies, universities and private research institutions.

9

Thermodynamics of atmospheric circulation on hot Jupiters  

E-Print Network (OSTI)

Atmospheric circulation on tidally-locked exoplanets is driven by the absorption and reradiation of heat from the host star. They are natural heat engines, converting heat into mechanical energy. A steady state is possible only if there is a mechanism to dissipate mechanical energy, or if the redistribution of heat is so effective that the Carnot efficiency is driven to zero. Simulations based on primitive, equivalent-barotropic, or shallow-water equations without explicit provision for dissipation of kinetic energy and for recovery of that energy as heat, violate energy conservation. More seriously perhaps, neglect of physical sources of drag may overestimate wind speeds and rates of advection of heat from the day to the night side.

J. Goodman

2008-10-07T23:59:59.000Z

10

JGR-Atmospheres Papers from the RADAGAST Research Team  

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

JGR-Atmospheres Papers from the RADAGAST Research Team JGR-Atmospheres Papers from the RADAGAST Research Team Bharmal, N.A., A. Slingo, G.J. Robinson, and J.J. Settle, 2009: Simulation of surface and top of atmosphere thermal fluxes and radiances from the RADAGAST experiment. Journal of Geophysical Research-Atmospheres, 114, doi:10.1029/2008JD010504, in press. Kollias, P., M.A. Miller, K.L. Johnson, M.P. Jensen, and D.T. Troyan, 2009: Cloud, thermodynamic, and precipitation observations in West Africa during 2006. Journal of Geophysical Research- Atmospheres, 114, doi: 10.1029/2008JD010641, in press. McFarlane, S.A., E.I. Kassianov, J. Barnard, C. Flynn, and T. Ackerman, 2009: Surface shortwave aerosol forcing during the ARM Mobile Facility deployment in Niamey, Niger. Journal of Geophysical Research-Atmospheres, 114, doi: 10.1029/2008JD010491, 17 pages.

11

A Dynamic and Thermodynamic Foundation for Modeling the Moist Atmosphere with Parameterized Microphysics  

Science Conference Proceedings (OSTI)

Moist convection is an exquisite yet powerful participant in the creation of weather on our planet. To facilitate numerical modeling of weather systems in a moist atmosphere, a direct and consistent application of dynamic and thermodynamic ...

Katsuyuki V. Ooyama

2001-08-01T23:59:59.000Z

12

Influence of Ocean Surface Conditions on Atmospheric Vertical Thermodynamic Structure and Deep Convection  

Science Conference Proceedings (OSTI)

The authors analyze the influence of sea surface temperature (SST) and surface wind divergence on atmospheric thermodynamic structure and the resulting effects on the occurrence of deep convection using National Meteorological Center radiosonde ...

Rong Fu; Anthony D. Del Genio; William B. Rossow

1994-07-01T23:59:59.000Z

13

Dynamics and Thermodynamics of a Warming Event in a Coupled Tropical Atmosphere–Ocean Model  

Science Conference Proceedings (OSTI)

A simple coupled ocean–atmosphere model, similar to that of Zebiak and Cane, is used to examine the dynamic and thermodynamic processes associated with El Niño/Southern Oscillation (ENSO). The model is run for 300 years. The interannual ...

David S. Battisti

1988-10-01T23:59:59.000Z

14

The Theoretician’s Clouds—Heavier or Lighter than Air? On Densities in Atmospheric Thermodynamics  

Science Conference Proceedings (OSTI)

Threefold densities may be introduced into atmospheric thermodynamics. For rainless clouds the general indirect or implicit conclusion is that they are denser than moist air under the same circumstances, although in a classic treatise a different ...

Joachim Pelkowski; Thomas Frisius

2011-10-01T23:59:59.000Z

15

ELSEVIER AtmosphericResearch 38 (1995) 207-235 ATMOSPHERIC  

E-Print Network (OSTI)

ELSEVIER AtmosphericResearch 38 (1995) 207-235 ATMOSPHERIC RESEARCH On the parameterization of ice and water substance mixing ratio fields were only strongly altered by turning off the ice phase of these schemes includes ice processes. But in mid- latitudes and also in tropics the ice phase is an important

Moelders, Nicole

16

A Thermodynamic Foundation for Modeling the Moist Atmosphere  

Science Conference Proceedings (OSTI)

With advances in numerical modeling of the atmosphere, we have experienced that the return to the first principles of physics often enables a model to cope more easily with the complexities of the real atmosphere. The return to the primitive ...

Katsuyuki V. Ooyama

1990-11-01T23:59:59.000Z

17

Atmospheric Radiation Measurement Program Climate Research Facility...  

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

2 Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report October 1-December 31, 2010 DISCLAIMER This report was prepared as an account of...

18

Atmospheric Radiation Measurement Program Climate Research Facility...  

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

9 Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report April 1-June 30, 2011 DISCLAIMER This report was prepared as an account of work...

19

Atmospheric Radiation Measurement (ARM) Climate Research Facility and Atmospheric  

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

Atmospheric Radiation Measurement (ARM) Atmospheric Radiation Measurement (ARM) Climate Research Facility and Atmospheric System Research (ASR) Science and Infrastructure Steering Committee CHARTER June 2012 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not

20

Thermodynamic  

Science Conference Proceedings (OSTI)

Directory of Accredited Laboratories. CALIBRATION LABORATORIES. Thermodynamic. Listed below are all laboratories ...

2013-09-13T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Thermodynamics of a Global-Mean State of the Atmosphere—A State of Maximum Entropy Increase  

Science Conference Proceedings (OSTI)

Vertical heat transport through thermal convection of the earth’s atmosphere is investigated from a thermodynamic viewpoint. The postulate for convection considered here is that the global-mean state of the atmosphere is stabilized at a state of ...

Hisashi Ozawa; Atsumu Ohmura

1997-03-01T23:59:59.000Z

22

Thermodynamic  

Science Conference Proceedings (OSTI)

*. Bookmark and Share. Thermodynamic Quantities. Fees for services are located directly below the technical contacts for each service category link. ...

2013-04-09T23:59:59.000Z

23

The NCAR Atmosphere-Surface Turbulent Exchange Research (ASTER) Facility  

Science Conference Proceedings (OSTI)

The Atmosphere-Surface Turbulent Exchange Research (ASTER) facility developed at the National Center for Atmospheric Research (NCAR) will support observational research on the structure of the atmospheric surface layer. ASTER will provide state-...

J. A. Businger; W. F. Dabberdt; A. C. Delany; T. W. Horst; C. L. Martin; S. P. Oncley; S. R. Semmer

1990-07-01T23:59:59.000Z

24

ATMOSPHERIC AEROSOL RESEARCH ANNUAL REPORT 1975-76  

E-Print Network (OSTI)

this room ATMOSPHERIC AEROSOL RESEARCH -RECEIVED •I.AWSSKCEDIVISION ATMOSPHERIC AEROSOL RESEARCH ANNUAL REPORTMass and Composition of Aerosol as a Function of Time,

Novakov, T.

2010-01-01T23:59:59.000Z

25

Atmospheric Radiation Measurement Climate Research Facility | Argonne  

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

Atmospheric Radiation Measurement Climate Research Facility Atmospheric Radiation Measurement Climate Research Facility Argonne scientists study climate change 1 of 22 Argonne scientists study climate change The U.S. Department of Energy's Office of Science provided $60 million in ARRA funding for climate research to the Atmospheric Radiation Measurement (ARM) Climate Research Facility, a DOE national user facility that has been operating climate observing sites around the world for nearly two decades. These sites help scientists study clouds and their influence on the sun's radiant energy, which heats our planet. Above is one of the purchases: the Vaisala Present Weather Detector. It optically measures visibility, present weather, precipitation intensity, and precipitation type. It provides a measure of current weather conditions by combining measurements from three

26

Kinematic and Thermodynamic Structures of Sierra Barrier Jets and Overrunning Atmospheric Rivers during a Landfalling Winter Storm in Northern California  

Science Conference Proceedings (OSTI)

This study characterizes kinematic and thermodynamic structures of Sierra barrier jets (SBJs), atmospheric rivers (ARs), and their interaction over the period 14–16 February 2011 when a winter storm made landfall in northern California. A suite of ...

David E. Kingsmill; Paul J. Neiman; Benjamin J. Moore; Mimi Hughes; Sandra E. Yuter; F. Martin Ralph

2013-06-01T23:59:59.000Z

27

Thermodynamics  

Science Conference Proceedings (OSTI)

Mar 13, 2012 ... Thermodynamic Modeling of Peirce-Smith Converter Slag at the Chagres Smelter, Chile: N Cardona1; P.J. Mackey2; P. Coursol3; R. Parada4; ...

28

ATMOSPHERIC AEROSOL RESEARCH, ANNUAL REPORT 1976-77  

E-Print Network (OSTI)

DIVISION ATMOSPHERIC AEROSOL RESEARCH ANNUAL REPORTLow-Z Elements in Atmospheric Aerosol Particles by Nuclearof sulfur dioxide by aerosols of manganese sulfate," Ind.

Novakov, T.

2010-01-01T23:59:59.000Z

29

Overview of NASA supported Stirling thermodynamic loss research  

DOE Green Energy (OSTI)

The National Aeronautics and Space Administration (NASA) is funding research to characterize Stirling machine thermodynamic losses. NASA`s primary goal is to improve Stirling design codes to support engine development for space and terrestrial power. However, much of the fundamental data is applicable to Stirling cooler and heat pump applications. The research results are reviewed. Much has been learned about oscillating-flow hydrodynamics, including laminar/turbulent transition, and tabulated data has been documented for further analysis. Now, with a better understanding of the oscillator-flow field, it is time to begin measuring the effects of oscillating flow and oscillating pressure level on heat transfer in heat exchanger flow passages and in cylinders. This critical phase of the work is just beginning.

Tew, R.C.; Geng, S.M.

1994-09-01T23:59:59.000Z

30

A Case for Including Atmospheric Thermodynamic Variables in Wind Turbine Fatigue Loading Parameter Identification  

DOE Green Energy (OSTI)

This paper makes the case for establishing efficient predictor variables for atmospheric thermodynamics that can be used to statistically correlate the fatigue accumulation seen on wind turbines. Recently, two approaches to this issue have been reported. One uses multiple linear-regression analysis to establish the relative causality between a number of predictors related to the turbulent inflow and turbine loads. The other approach, using many of the same predictors, applies the technique of principal component analysis. An examination of the ensemble of predictor variables revealed that they were all kinematic in nature; i.e., they were only related to the description of the velocity field. Boundary-layer turbulence dynamics depends upon a description of the thermal field and its interaction with the velocity distribution. We used a series of measurements taken within a multi-row wind farm to demonstrate the need to include atmospheric thermodynamic variables as well as velocity-related ones in the search for efficient turbulence loading predictors in various turbine-operating environments. Our results show that a combination of vertical stability and hub-height mean shearing stress variables meet this need over a period of 10 minutes.

Kelley, N. D.

1999-08-02T23:59:59.000Z

31

Research Highlight  

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

A., Pacific Northwest National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Life Cycle Journal Reference:...

32

Research Highlight  

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

A., Pacific Northwest National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud-Aerosol-Precipitation Interactions...

33

Vertical Moist Thermodynamic Structure of the Madden–Julian Oscillation in Atmospheric Infrared Sounder Retrievals: An Update and a Comparison to ECMWF Interim Re-Analysis  

Science Conference Proceedings (OSTI)

The large-scale vertical moist thermodynamic structure of the Madden–Julian oscillation (MJO) was documented using the first 2.5 yr (2002–05) of version 4 atmospheric specific humidity and temperature profiles from the Atmospheric Infrared ...

Baijun Tian; Duane E. Waliser; Eric J. Fetzer; Yuk L. Yung

2010-12-01T23:59:59.000Z

34

Style Guide Atmospheric Radiation Measurement (ARM) Climate Research Facility  

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

Style Guide Style Guide Atmospheric Radiation Measurement (ARM) Climate Research Facility March 2013 Style Guide Atmospheric Radiation Measurement Climate Research Facility March 2013 Work supported by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research March 2013 ii Contents 1.0 Introduction .......................................................................................................................................... 1 2.0 Acronyms and Abbreviations ............................................................................................................... 1 2.1 Usage ............................................................................................................................................ 1

35

ATMOSPHERIC AEROSOL RESEARCH FY-1979, CHAPTER IN THE ENERGY AND ENVIRONMENT ANNUAL REPORT, 1979  

E-Print Network (OSTI)

California atmospheric aerosols," Environ. Sci. Technol. ll•suspensions," in Atmospheric Aerosol Research Annual Report,formation," in Atmospheric Aerosol Research Annual Report,

Authors, Various

2013-01-01T23:59:59.000Z

36

Atmospheric Science and Climate Research [EVS Program Area]  

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

Atmospheric Science and Climate Research Atmospheric Science and Climate Research EVS research, combined with portable, high-performance climate and weather applications, offers a unique look at the complexities of a dynamic planet. In an ever-changing, dynamic climate, we measure, model, and analyze atmospheric processes that are vital to understanding our planet. Our measurement capabilities range from remote sensing and surface meteorology instruments to instrumentation designed to quantify the land-atmosphere exchange of energy, water, and greenhouse gases. Modeling capabilities begin with regional-scale climate, air quality, and aerosol modeling and extend to global chemical transport models, general circulation models of the atmosphere, models of the biosphere, and coupled Earth system models.

37

ORISE: Capabilities in Climate and Atmospheric Research  

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

Capabilities Capabilities ORISE partners with NOAA to operate climate monitoring network U.S. Climate Reference Network (CRN) station in Hawaii The U.S. Climate Reference Network (CRN) consists of 121 stations throughout the continental U.S., Alaska, Hawaii and Canada. The stations use highly accurate and reliable sensors and gauges to measure temperature, wind speed and precipitation. The network allows scientists to study the climate of an area over sustained periods, from 50 to 100 years. Pictured here is a CRN station at the Mauna Loa Slope Observatory in Hawaii. The Oak Ridge Institute for Science and Education (ORISE) works closely with the National Oceanic and Atmospheric Administration's (NOAA) Atmospheric Turbulence and Diffusion Division (ATDD) to perform lower

38

Atmospheric Radiation Measurement Program Climate Research Facility...  

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

Office of Science, Office of Biological and Environmental Research July 1-September 30, 2010, DOESC-ARM-10-029 iii Contents 1.0 Data Availability......

39

Atmospheric Radiation Measurement Program Climate Research Facility...  

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

Office of Science, Office of Biological and Environmental Research July 1-September 30, 2011, DOESC-ARM-11-022 iii Contents 1.0 Data Availability......

40

Dynamic and Thermodynamic Influences of the Tibetan Plateau on the Atmosphere in a General Circulation Model  

Science Conference Proceedings (OSTI)

The dynamic and thermodynamic influences of the Tibetan Plateau on the temperature geopotential height, horizontal wind, vertical velocity, cloud and precipitation patterns over eastern Asia am physically investigated employing a general ...

Qinglin Zheng; Kuo-Nan Liou

1986-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Airborne Instrumentation Needs for Climate and Atmospheric Research  

SciTech Connect

Observational data are of fundamental importance for advances in climate and atmospheric research. Advances in atmospheric science are being made not only through the use of ground-based and space-based observations, but also through the use of in-situ and remote sensing observations acquired on instrumented aircraft. In order for us to enhance our knowledge of atmospheric processes, it is imperative that efforts be made to improve our understanding of the operating characteristics of current instrumentation and of the caveats and uncertainties in data acquired by current probes, as well as to develop improved observing methodologies for acquisition of airborne data.

McFarquhar, Greg; Schmid, Beat; Korolev, Alexei; Ogren, John A.; Russell, P. B.; Tomlinson, Jason M.; Turner, David D.; Wiscombe, Warren J.

2011-10-06T23:59:59.000Z

42

Clear Skies S. A. Clough Atmospheric and Environmental Research, Inc.  

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

S. A. Clough S. A. Clough Atmospheric and Environmental Research, Inc. Cambridge, MA 02139 The objective of this research effort is to develop radiative transfer models that are consistent with Atmospheric Radiation Measurement (ARM) Program spectral radiance measurements for clear and cloudy atmospheres. Our approach is to develop the model physics and related databases with a line-by-line model in the context of available spectral radiance measurements. The line-by- line mode! then functions as an intermediate standard to both develop and validate rapid radiative transfer models appropriate to GCM applications. consistent with downlooking data taken with the high spectral resolution interferometer sounder (HIS) (Smith et al. 1983) from 20 km and with simultaneous data taken

43

2010 Atmospheric System Research (ASR) Science Team Meeting Summary  

SciTech Connect

This document contains the summaries of papers presented in poster format at the March 2010 Atmospheric System Research Science Team Meeting held in Bethesda, Maryland. More than 260 posters were presented during the Science Team Meeting. Posters were sorted into the following subject areas: aerosol-cloud-radiation interactions, aerosol properties, atmospheric state and surface, cloud properties, field campaigns, infrastructure and outreach, instruments, modeling, and radiation. To put these posters in context, the status of ASR at the time of the meeting is provided here.

Dupont, DL

2011-05-04T23:59:59.000Z

44

Characterizing Land–Atmosphere Coupling and the Implications for Subsurface Thermodynamics  

Science Conference Proceedings (OSTI)

The objective of this work is to develop a Simple Land-Interface Model (SLIM) that captures the seasonal and interannual behavior of land–atmosphere coupling, as well as the subsequent subsurface temperature evolution. The model employs the one-...

Marc Stieglitz; Jason E. Smerdon

2007-01-01T23:59:59.000Z

45

Atmospheric Sciences Program summaries of research in FY 1993  

SciTech Connect

This document describes the activities and products of the Atmospheric Science Program of the Environmental Sciences Division, Office of Health and Environmental Research, Office of Energy Research, in FY 1993. Each description contains the project`s title; three-year funding history; the contract period over which the funding applies; the name(s) of the principal investigator(s); the institution(s) conducting the projects; and the project`s objectives, products, approach, and results to date. Project descriptions are categorized within the report according to program areas: atmospheric chemistry, atmospheric dynamics, and support operations. Within these categories, the descriptions are ordered alphabetically by principal investigator. Each program area is preceded by a brief text that defines the program area, states its goals and objectives, lists principal research questions, and identifies program managers. Appendixes provide the addresses and telephone numbers of the principal investigators and define the acronyms used. This document has been indexed to aid the reader in locating research topics, participants, and research institutions in the text and the project descriptions. Comprehensive subject, principal investigator, and institution indexes are provided at the end of the text for this purpose. The comprehensive subject index includes keywords from the introduction and chapter texts in addition to those from the project descriptions.

Not Available

1993-11-01T23:59:59.000Z

46

The Hydrologic and Thermodynamic Characteristics of the NCAR CCM3  

Science Conference Proceedings (OSTI)

Climatological properties for selected aspects of the thermodynamic structure and hydrologic cycle are presented from a 15-yr numerical simulation conducted with the National Center for Atmospheric Research Community Climate Model, version 3 (...

James J. Hack; Jeffrey T. Kiehl; James W. Hurrell

1998-06-01T23:59:59.000Z

47

Atmospheric Radiation Measurement Climate Research Facility (ACRF) Annual Report 2008  

SciTech Connect

The Importance of Clouds and Radiation for Climate Change: The Earth’s surface temperature is determined by the balance between incoming solar radiation and thermal (or infrared) radiation emitted by the Earth back to space. Changes in atmospheric composition, including greenhouse gases, clouds, and aerosols, can alter this balance and produce significant climate change. Global climate models (GCMs) are the primary tool for quantifying future climate change; however, there remain significant uncertainties in the GCM treatment of clouds, aerosol, and their effects on the Earth’s energy balance. In 1989, the U.S. Department of Energy (DOE) Office of Science created the Atmospheric Radiation Measurement (ARM) Program to address scientific uncertainties related to global climate change, with a specific focus on the crucial role of clouds and their influence on the transfer of radiation in the atmosphere. To reduce these scientific uncertainties, the ARM Program uses a unique twopronged approach: • The ARM Climate Research Facility, a scientific user facility for obtaining long-term measurements of radiative fluxes, cloud and aerosol properties, and related atmospheric characteristics in diverse climate regimes; and • The ARM Science Program, focused on the analysis of ACRF and other data to address climate science issues associated with clouds, aerosols, and radiation, and to improve GCMs. This report provides an overview of each of these components and a sample of achievements for each in fiscal year (FY) 2008.

LR Roeder

2008-12-01T23:59:59.000Z

48

Atmospheric Science Program. Summaries of research in FY 1994  

SciTech Connect

This report provides descriptions for all projects funded by ESD under annual contracts in FY 1994. Each description contains the project`s title; three-year funding history (in thousands of dollars); the contract period over which the funding applies; the name(s) of the principal investigator(s); the institution(s) conducting the projects; and the project`s objectives, products, approach, and results to date (for most projects older than one year). Project descriptions are categorized within the report according to program areas: atmospheric chemistry, atmospheric dynamics, and support operations. Within these categories, the descriptions are ordered alphabetically by principal investigator. Each program area is preceded by a brief text that defines the program area, states it goals and objectives, lists principal research questions, and identifies program managers. Appendixes provide the addresses and telephone numbers of the principal investigators and define the acronyms used.

NONE

1995-06-01T23:59:59.000Z

49

A Community Hydrometeorology Laboratory for Fostering Collaborative Research by the Atmospheric and Hydrologic Sciences  

Science Conference Proceedings (OSTI)

A new community laboratory for fostering collaborative research between the atmospheric and hydrologic sciences communities is described. This facility, located at the National Center for Atmospheric Research (NCAR) in Boulder, Colorado, allows ...

Thomas T. Warner; David N. Yates; George H. Leavesley

2000-07-01T23:59:59.000Z

50

Atmospheric Radiation Measurement Program Climate Research Facility Operations  

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

7 7 Atmospheric Radiation Measurement Climate Research Facility Operations Quarterly Report January 1-March 31, 2012 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or

51

Atmospheric Radiation Measurement Program Climate Research Facility Operations  

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

8 8 Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report January 1-March 31, 2011 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or

52

Atmospheric Radiation Measurement Program Climate Research Facility Operations  

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

1 1 Atmospheric Radiation Measurement Climate Research Facility Operations Quarterly Report October 1-December 31, 2011 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or

53

Colorado State University Center for Geosciences/Atmospheric Research (CG/AR)  

E-Print Network (OSTI)

prediction in the atmosphere. Masters thesis, Department of Electrical and Computer Engineering, ColoradoColorado State University Center for Geosciences/Atmospheric Research (CG/AR) Quarterly Report No on the DoD Center for Geosciences/Atmospheric Research at Colorado State University, please access our web

54

Atmospheric System Research (ASR) Program | U.S. DOE Office of Science (SC)  

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

» Atmospheric System Research (ASR) » Atmospheric System Research (ASR) Program Biological and Environmental Research (BER) BER Home About Research Research Abstracts Searchable Archive of BER Highlights External link Biological Systems Science Division (BSSD) Climate and Environmental Sciences Division (CESD) ARM Climate Research Facility Atmospheric System Research (ASR) Program Data Management Earth System Modeling (ESM) Program William R. Wiley Environmental Molecular Sciences Laboratory (EMSL) Integrated Assessment of Global Climate Change Regional & Global Climate Modeling (RGCM) Program Subsurface Biogeochemical Research Terrestrial Carbon Sequestration External link Terrestrial Ecosystem Science Facilities Science Highlights Benefits of BER Funding Opportunities Biological & Environmental Research Advisory Committee (BERAC)

55

Pacific Northwest Laboratory annual report for 1993 to the DOE Office of Energy Research. Part 3: Atmospheric and climate research  

Science Conference Proceedings (OSTI)

The US Department of Energy`s (DOE`s) Office of Health and Environmental Research (OHER) atmospheric sciences and carbon dioxide research programs provide the DOE with scientifically defensible information on the local, regional, and global distributions of energy-related pollutants and their effects on climate. PNL has had a long history of technical leadership in the atmospheric sciences research programs within OHER. Within the Environmental Sciences Division of OHER, the Atmospheric Chemistry Program continues DOE`s long-term commitment to understanding the local, regional, and global effects of energy-related air pollutants. Research through direct measurement, numerical modeling, and analytical studies in the Atmospheric Chemistry Program emphasizes the long-range transport, chemical transformation, and removal of emitted pollutants, photochemically produced oxidant species, nitrogen-reservoir species, and aerosols. The atmospheric studies in Complex Terrain Program applies basic research on atmospheric boundary layer structure and evolution over inhomogeneous terrain to DOE`s site-specific and generic mission needs in site safety, air quality, and climate change. Research at PNL provides basic scientific underpinnings to DOE`s program of global climate research. Research projects within the core carbon dioxide and ocean research programs are now integrated with those in the Atmospheric Radiation Measurements, the Computer Hardware, Advanced Mathematics and Model Physics, and Quantitative Links program to form DOE`s contribution to the US Global Change Research Program. The description of ongoing atmospheric and climate research at PNL is organized in two broad research areas: atmospheric research; and climate research. This report describes the progress in fiscal year 1993 in each of these areas. Individual papers have been processed separately for inclusion in the appropriate data bases.

Not Available

1994-05-01T23:59:59.000Z

56

Strategic Environmental Research and Development Program: Atmospheric Remote Sensing and Assessment Program -- Final Report. Part 1: The lower atmosphere  

Science Conference Proceedings (OSTI)

This report documents work done between FY91 and FY95 for the lower atmospheric portion of the joint Department of Defense (DoD) and Department of Energy (DOE) Atmospheric Remote Sensing and Assessment Program (ARSAP) within the Strategic Environmental Research and Development Program (SERDP). The work focused on (1) developing new measurement capabilities and (2) measuring atmospheric heating in a well-defined layer and then relating it to cloud properties an water vapor content. Seven new instruments were develop3ed for use with Unmanned Aerospace Vehicles (UAVs) as the host platform for flux, radiance, cloud, and water vapor measurements. Four major field campaigns were undertaken to use these new as well as existing instruments to make critically needed atmospheric measurements. Scientific results include the profiling of clear sky fluxes from near surface to 14 km and the strong indication of cloudy atmosphere absorption of solar radiation considerably greater than predicted by extant models.

Tooman, T.P. [ed.] [Sandia National Labs., Livermore, CA (United States). Exploratory Systems Technology Dept.

1997-01-01T23:59:59.000Z

57

The Use of lce-Liquid Water Potential Temperature as a Thermodynamic Variable In Deep Atmospheric Models  

Science Conference Proceedings (OSTI)

Previous studies have shown liquid water potential temperature to be an inappropriate choice for a thermodynamic variable in a deep cumulus convection model. In this study, an alternate form of this variable called ice-liquid water potential ...

Gregory J. Tripoli; William R. Cotton

1981-05-01T23:59:59.000Z

58

A Comparison of Simple and Complex Treatments of Surface Hydrology and Thermodynamics Suitable for Mesoscale Atmospheric Models  

Science Conference Proceedings (OSTI)

Alternative treatments of the hydrologic and thermodynamic processes at the earth's surface within a mesoscale model are discussed in this study. Specifically, the question of under what circumstances it is necessary to use a complex surface ...

Mercedes N. Lakhtakia; Thomas T. Warner

1994-05-01T23:59:59.000Z

59

Colorado State University Center for Geosciences/Atmospheric Research (CG/AR)  

E-Print Network (OSTI)

Colorado State University Center for Geosciences/Atmospheric Research (CG/AR) Quarterly Report No research of Professor Steven Reising, of the Electrical and Computer Engineering Department (located under at Colorado State University, please access our web page at http

60

Atmospheric Research Using Kites: Here We Go Again!  

Science Conference Proceedings (OSTI)

A recent campaign on Christmas Island in the equatorial Pacific has demonstrated that, at least under some conditions, simple and relatively inexpensive kites can serve as effective platforms for continuous monitoring of the tree atmosphere. ...

B. B. Balsley; C. L. Baisley; J. B. Williams; G. W. Tyrrell

1992-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Research Highlight  

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

Improved Daytime Precipitable Water Vapor from Vaisala Radiosonde Humidity Improved Daytime Precipitable Water Vapor from Vaisala Radiosonde Humidity Sensors Download a printable PDF Submitter: Cady-Pereira, K. E., Atmospheric and Environmental Research, Inc. Mlawer, E. J., Atmospheric & Environmental Research, Inc. Turner, D. D., National Oceanic and Atmospheric Administration Shephard, M. W., Atmospheric and Environmental Research, Inc. Clough, S. A., Atmospheric and Environmental Research, Inc. Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Radiative Processes Journal Reference: Cady-Pereira, K, M Shephard, E Mlawer, D Turner, S Clough, and T Wagner. 2008. "Improved daytime column-integrated precipitable water vapor from Vaisala radiosonde humidity sensors." Journal of Atmospheric and Oceanic Technology doi: 10.1175/2007JTECHA1027.1.

62

Pacific Northwest Laboratory annual report for 1992 to the DOE Office of Energy Research. Part 3, Atmospheric and climate research  

Science Conference Proceedings (OSTI)

Within the US Department of Energy`s (DOE`s) Office of Health and Environmental Research (OHER), the atmospheric sciences and carbon dioxide research programs are part of the Environmental Sciences Division (ESD). One of the central missions of the division is to provide the DOE with scientifically defensible information on the local, regional, and global distributions of energy-related pollutants and their effects on climate. This information is vital to the definition and implementation of a sound national energy strategy. This volume reports on the progress and status of all OHER atmospheric science and climate research projects at the Pacific Northwest Laboratory (PNL). PNL has had a long history of technical leadership in the atmospheric sciences research programs within OHER. Within the ESD, the Atmospheric Chemistry Program (ACP) continues DOE`s long-term commitment to study the continental and oceanic fates of energy-related air pollutants. Research through direct measurement, numerical modeling, and laboratory studies in the ACP emphasizes the long-range transport, chemical transformation, and removal of emitted pollutants, oxidant species, nitrogen-reservoir species, and aerosols. The Atmospheric Studies in Complex Terrain (ASCOT) program continues to apply basic research on density-driven circulations and on turbulent mixing and dispersion in the atmospheric boundary layer to the micro- to mesoscale meteorological processes that affect air-surface exchange and to emergency preparedness at DOE and other facilities. Research at PNL provides basic scientific underpinnings to DOE`s program of global climate research. Research projects within the core carbon dioxide and ocean research programs are now integrated with those in the Atmospheric Radiation Measurements (ARM), the Computer Hardware, Advanced Mathematics and Model Physics (CHAMMP), and Quantitative Links programs to form DOE`s contribution to the US Global Change Research Program.

Schrempf, R.E. [ed.

1993-04-01T23:59:59.000Z

63

Research Opportunities from Emerging Atmospheric Observing and Modeling Capabilities  

Science Conference Proceedings (OSTI)

The Second Prospectus Development Team (PDT-2) of the U.S. Weather Research Program was charged with identifying research opportunities that are best matched to emerging operational and experimental measurement and modeling methods. The ...

Walter F. Dabberdt; Thomas W. Schlatter

1996-02-01T23:59:59.000Z

64

An Instrumented Aircraft for Atmospheric Research in New Zealand and the South Pacific  

Science Conference Proceedings (OSTI)

The New Zealand Meteorological Service has instrumented a Fokker Friendship F27 aircraft as part of its research program in meteorology and the atmospheric sciences. The aircraft, which has large underwing pylons to carry sampling probes, has ...

H. R. Larsen; G. W. Fisher; R. A. Knobben; I. S. Lechner; M. J. Harvey

1991-02-01T23:59:59.000Z

65

Atmospheric Aerosols  

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

measuring equipment Atmospheric Aerosols Atmospheric aerosol research at Berkeley Lab seeks to understand the air quality and climate impacts of particles in the atmosphere. On...

66

Pacific Northwest Laboratory annual report for 1994 to the DOE Office of Energy Research. Part 2: Atmospheric and climate research  

Science Conference Proceedings (OSTI)

Atmospheric research at Pacific Northwest Laboratory (PNL) occurs in conjunction with the Atmospheric Chemistry Program (ACP) and with the Atmospheric Studies in Complex Terrain (ASCOT) Program. Solicitations for proposals and peer review were used to select research projects for funding in FY 1995. Nearly all ongoing projects were brought to a close in FY 1994. Therefore, the articles in this volume include a summary of the long-term accomplishments as well as the FY 1994 progress made on these projects. The following articles present summaries of the progress in FY 1994 under these research tasks: continental and oceanic fate of pollutants; research aircraft operations; ASCOT program management; coupling/decoupling of synoptic and valley circulations; interactions between surface exchange processes and atmospheric circulations; and direct simulations of atmospheric turbulence. Climate change research at PNL is aimed at reducing uncertainties in the fundamental processes that control climate systems that currently prevent accurate predictions of climate change and its effects. PNL is responsible for coordinating and integrating the field and laboratory measurement programs, modeling studies, and data analysis activities of the Atmospheric Radiation Measurements (ARM) program. In FY 1994, PNL scientists conducted 3 research projects under the ARM program. In the first project, the sensitivity of GCM grid-ad meteorological properties to subgrid-scale variations in surface fluxes and subgrid-scale circulation patterns is being tested in a single column model. In the second project, a new and computationally efficient scheme has been developed for parameterizing stratus cloud microphysics in general circulation models. In the last project, a balloon-borne instrument package is being developed for making research-quality measurements of radiative flux divergence profiles in the lowest 1,500 meters of the Earth`s atmosphere.

NONE

1995-04-01T23:59:59.000Z

67

Uncertainties in (E)UV model atmosphere fluxes (Research Note)  

E-Print Network (OSTI)

Context. During the comparison of synthetic spectra calculated with two NLTE model atmosphere codes, namely TMAP and TLUSTY, we encounter systematic differences in the EUV fluxes due to the treatment of level dissolution by pressure ionization. Aims. In the case of Sirius B, we demonstrate an uncertainty in modeling the EUV flux reliably in order to challenge theoreticians to improve the theory of level dissolution. Methods. We calculated synthetic spectra for hot, compact stars using state-of-the-art NLTE model-atmosphere techniques. Results. Systematic differences may occur due to a code-specific cutoff frequency of the H I Lyman bound-free opacity. This is the case for TMAP and TLUSTY. Both codes predict the same flux level at wavelengths lower than about 1500 Å for stars with effective temperatures (Teff) below about 30 000 K only, if the same cutoff frequency is chosen. Conclusions. The theory of level dissolution in high-density plasmas, which is available for hydrogen only should be generalized to all species. Especially, the cutoff frequencies for the bound-free opacities should be defined in order to make predictions of UV fluxes more reliable.

T. Rauch

2008-01-01T23:59:59.000Z

68

An Update on Radiative Transfer Model Development at Atmospheric and Environmental Research, Inc.  

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

Update on Radiative Transfer Model Development at Update on Radiative Transfer Model Development at Atmospheric and Environmental Research, Inc. J. S. Delamere, S. A. Clough, E. J. Mlawer, Sid-Ahmed Boukabara, K. Cady-Pereira, and M. Shepard Atmospheric and Environmental Research, Inc. Lexington, Maine Introduction Over the last decade, a suite of radiative transfer models has been developed at Atmospheric and Environmental Research, Inc. (AER) with support from the Atmospheric and Radiation Measurement (ARM) Program. These models span the full spectral regime from the microwave to the ultraviolet, and range from monochromatic to band calculations. Each model combines the latest spectroscopic advancements with radiative transfer algorithms to efficiently compute radiances, fluxes, and cooling

69

Asking the Right Questions: Atmospheric Sciences Research and Societal Needs  

Science Conference Proceedings (OSTI)

In recent years, those who conduct federally funded research in the United States have been asked by their patrons, the public and their elected representatives, to demonstrate more efficacy with respect to societal needs. Although there is a ...

Roger A. Pielke Jr.

1997-02-01T23:59:59.000Z

70

High-speed thermodynamic calculations for kinetic simulation  

Science Conference Proceedings (OSTI)

... to determine the underlying thermodynamics for binary ... importance and more basic research ... Historically CALPHAD thermodynamic data was based ...

2013-07-02T23:59:59.000Z

71

Atmospheric Radiation Measurement Climate Research Facility - annual report 2004  

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

ER-ARM-0403 ER-ARM-0403 3 Table of Contents Program Overview ............................................................................................................................................................ 4 The Role of Clouds in Climate .................................................................................................................................... 4 ARM Science Goals ..................................................................................................................................................... 4 ARM Climate Research Facility: Successful Science Program Leads to User Facility Designation ................................ 5 Sites Around the World Enable Real Observations .......................................................................................................

72

Program on Technology Innovation: Coastal Halogen Atmospheric Research on Mercury Deposition (CHARMeD)  

Science Conference Proceedings (OSTI)

Determining mercury’s atmospheric transformation reactions is essential for atmospheric deposition models that are used for regulatory purposes. It is the oxidation of inorganic elemental Hg (Hg0) to its water-soluble ionic form (Hg2+) that determines the rate of Hg deposited in waterways. Substantial research has been done in the past on atmospheric Hg transformation reactions with ozone (O3) and the hydroxyl radical (OH), but O3 and OH may not be capable of fully causing mercury’s observed oxidation an...

2009-08-11T23:59:59.000Z

73

Atmospheric Radiation Measurement Climate Research Facility Annual Report 2006  

SciTech Connect

This annual report describes the purpose and structure of the ARM Climate Research Facility and ARM Science programs and presents key accomplishments in 2006. Noteworthy scientific and infrastructure accomplishments in 2006 include: • Collaborating with the Australian Bureau of Meteorology to lead the Tropical Warm Pool-International Cloud Experiment, a major international field campaign held in Darwin, Australia • Successfully deploying the ARM Mobile Facility in Niger, Africa • Developing the new ARM Aerial Vehicles Program (AVP) to provide airborne measurements • Publishing a new finding on the impacts of aerosols on surface energy budget in polar latitudes • Mitigating a long-standing double-Intertropical Convergence Zone problem in climate models using ARM data and a new cumulus parameterization scheme.

LR Roeder

2005-11-30T23:59:59.000Z

74

Solvation Thermodynamics  

Science Conference Proceedings (OSTI)

... a consistent, high-quality compilation of solvation thermodynamics data for a ... the solvation process to permit solvation thermodynamic quantities to ...

2013-02-26T23:59:59.000Z

75

Millimeter-Wavelength Radars: New Frontier in Atmospheric Cloud and Precipitation Research  

Science Conference Proceedings (OSTI)

During the past 20 yr there has been substantial progress on the development and application of millimeter-wavelength (3.2 and 8.6 mm, corresponding to frequencies of 94 and 35 GHz) radars in atmospheric cloud research, boosted by continuous ...

P. Kollias; E. E. Clothiaux; M. A. Miller; B. A. Albrecht; G. L. Stephens; T. P. Ackerman

2007-10-01T23:59:59.000Z

76

The National Center for Atmospheric Research Community Climate Model: CCM3  

Science Conference Proceedings (OSTI)

The latest version of the National Center for Atmospheric Research (NCAR) Community Climate Model (CCM3) is described. The changes in both physical and dynamical formulation from CCM2 to CCM3 are presented. The major differences in CCM3 compared ...

J. T. Kiehl; J. J. Hack; G. B. Bonan; B. A. Boville; D. L. Williamson; P. J. Rasch

1998-06-01T23:59:59.000Z

77

Radiological and Environmental Research Division annual report, January-December 1980. Atmospheric physics  

SciTech Connect

Contained are twenty-six abstracts of on-going research programs at Argonne National Laboratory concerning the modeling of environmental air pollutants concentration and transport for January-December 1980. Studies on pollutant transport modeling, fluid flow models, and atmospheric precipitations chemistry are included. (DLS)

Not Available

1981-08-01T23:59:59.000Z

78

5-Year Research Plan on Fine Particulate Matter in the Atmosphere  

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

Technology Technology Laboratory Five Year Research Plan on Fine Particulate Matter in the Atmosphere FY2001-FY2005 NETL PM Research Program Ambient Sampling & Analysis Control Technology R&D Source Characterization Predictive Modeling -iii- TABLE OF CONTENTS Page I. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 A. Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 B. Outlook for PM and the Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 II. OVERVIEW OF THE PROGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 A. Program Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 B. Current Program Highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1. The Upper Ohio River Valley Project (UORVP) . . . . . . . . . . . . . . . . . . 13

79

ATMOSPHERIC ~ ~ RESEARCH  

E-Print Network (OSTI)

cloud para- meterization schemes (cumulus parameterization and ice parameterization) were used parameterization used in chemical transport model appreciably affects gas phase and aqueous chemistry calculations on the influence of different cloud treatment in a chemical transport model on gas phase distribution Nicole M61

Moelders, Nicole

80

The Shared Mobile Atmospheric Research and Teaching Radar: A Collaboration to Enhance Research and Teaching  

Science Conference Proceedings (OSTI)

A group of scientists from three universities across two different states and from one federal research laboratory joined together to build and deploy two mobile C-band Doppler weather radars to enhance research and promote meteorological ...

Michael I. Biggerstaff; Louis J. Wicker; Jerry Guynes; Conrad Ziegler; Jerry M. Straka; Erik N. Rasmussen; Arthur Doggett IV; Larry D. Carey; John L. Schroeder; Chris Weiss

2005-09-01T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Atmospheric Radiation Measurement Climate Research Facility Operations Quarterly Report July 1–September 30, 2012  

SciTech Connect

Individual datastreams from instrumentation at the Atmospheric Radiation Measurement (ARM) Climate Research Facility fixed and mobile research sites are collected and routed to the Data Management Facility (DMF) for processing in near-real-time. Instrument and processed data are then delivered approximately daily to the ARM Data Archive, where they are made freely available to the research community. For each instrument, we calculate the ratio of the actual number of processed data records received daily at the Data Archive to the expected number of data records. The results are tabulated by (1) individual datastream, site, and month for the current year and (2) site and fiscal year (FY) dating back to 1998.

Voyles, JW

2012-10-10T23:59:59.000Z

82

Technical Sessions Principal Investigator: S. A. Clough Atmospheric and Environmental Research, Inc.  

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

Principal Investigator: S. A. Clough Principal Investigator: S. A. Clough Atmospheric and Environmental Research, Inc. Cambridge, MA 02139 Introduction The availability of a rapid highly accurate multiple scattering radiative transfer model is essential to meet the objectives of the Atmospheric Radiation Measurement (ARM) Program. The model must be capable of computing radiance at spectral intervals consistent with the monochromatic spectral variation of the atmospheric molecular absorption. The resolution of the spectrometers to be deployed at the ARM sites, 0.1 cm-1 and less, will provide an important assessment of our capability to perform radiative transfer calculations in the multiply scattered environment. A second important application forthe high-accuracy high-resolution model is to provide parameterizations and validations for

83

Summary of Breakout Sessions D. A. Randall National Center for Atmospheric Research  

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

Breakout Sessions Breakout Sessions D. A. Randall National Center for Atmospheric Research Boulder CO 80307-3000 J. T. Kiehl Department of Atmospheric Science Colorado State University Ft. Collins, CO 80523 M. Bradley Lawrence Livermore National. Laboratory Livermore, CA 94550 Discussion of Intensive Operation Periods (lOPs) The group made several recommendations for lOPs in general. One of the main points was that members of the Atmospheric Radiation Measurement (ARM) Science Team should be given as much advance notification as possible of planned or potential lOPs. The group also recommended that a lead scientist be appointed for each lOP. This scientist should have expertise in the topic of primary focus of the lOP. The lead scientist's main responsibility would be to make sure that the operations carried out in the lOP

84

Atmospheric Aerosols  

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

Tom Kirchstetter with aerosol measurement instrument Atmospheric Aerosols Atmospheric aerosol research at LBNL seeks to understand the air quality and climate impacts of particles...

85

Quantum Thermodynamics  

E-Print Network (OSTI)

Quantum thermodynamics addresses the emergence of thermodynamical laws from quantum mechanics. The link is based on the intimate connection of quantum thermodynamics with the theory of open quantum systems. Quantum mechanics inserts dynamics into thermodynamics giving a sound foundation to finite-time-thermodynamics. The emergence of the 0-law I-law II-law and III-law of thermodynamics from quantum considerations is presented. The emphasis is on consistence between the two theories which address the same subject from different foundations. We claim that inconsistency is the result of faulty analysis pointing to flaws in approximations.

Ronnie Kosloff

2013-05-10T23:59:59.000Z

86

Spectrometer for Sky-Scanning, Sun-Tracking Atmospheric Research (4STAR)  

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

Ames: Phil Russell, Jens Redemann, NASA Ames: Phil Russell, Jens Redemann, Ames: Phil Russell, Jens Redemann, NASA Ames: Phil Russell, Jens Redemann, Steve Dunagan, Roy Johnson: Steve Dunagan, Roy Johnson: Battelle PND: Connor Flynn, Beat Schmid, Battelle PND: Connor Flynn, Beat Schmid, Evgueni Kassianov Evgueni Kassianov NASA GSFC: Alexander Sinyuk, Brent NASA GSFC: Alexander Sinyuk, Brent Holben Holben , , & AERONET Team & AERONET Team Collaboration involving: Collaboration involving: NASA Ames, Battelle PND, NASA GSFC NASA Ames, Battelle PND, NASA GSFC 4S 4S TAR TAR : : S S pectrometer for pectrometer for S S ky ky - - S S canning, canning, S S un un - - T T racking racking A A tmospheric tmospheric R R esearch esearch 4STAR: 4STAR: Spectrometer Spectrometer for for Sky Sky - - Scanning Scanning , , Sun Sun - - Tracking Tracking Atmospheric Research Atmospheric Research

87

Evaluation of Snow Depth and Soil Temperatures Predicted by the Hydro–Thermodynamic Soil–Vegetation Scheme Coupled with the Fifth-Generation Pennsylvania State University–NCAR Mesoscale Model  

Science Conference Proceedings (OSTI)

The Hydro–Thermodynamic Soil–Vegetation Scheme (HTSVS) coupled in a two-way mode with the fifth-generation Pennsylvania State University–National Center for Atmospheric Research (NCAR) Mesoscale Meteorological Model (MM5) is evaluated for a ...

Balachandrudu Narapusetty; Nicole Mölders

2005-12-01T23:59:59.000Z

88

Relativistic thermodynamics  

E-Print Network (OSTI)

Thermodynamics, when formulated as a dynamic action principle, allows a simple and effective integration into the General Theory of Gravitation.

Fronsdal, Christian

2011-01-01T23:59:59.000Z

89

Relativistic thermodynamics  

E-Print Network (OSTI)

Thermodynamics, when formulated as a dynamic action principle, allows a simple and effective integration into the General Theory of Gravitation.

Christian Fronsdal

2011-06-12T23:59:59.000Z

90

Improved Time to Publication in Journal of Geophysical Research-Atmospheres  

Science Conference Proceedings (OSTI)

Timely publication of manuscripts is important to authors and readers. AGU has significantly accelerated both the review and production processes for the Journal of Geophysical Research-Atmospheres (JGR-Atmospheres). Via a number of mechanisms (e.g., shortening the time allotted for reviewer selection, manuscript reviews, and revisions), the mean time to first decision has been decreased from 98 days in 2007 to 50 days in 2011, and the mean time to final decision has been decreased from 132 days in 2007 to 71 days in 2011. By implementing a new content management system, adjusting the workflow for improved efficiency, requesting authors to proofread their manuscripts quicker, and improving monitoring and follow-up to author and vendor queries, the mean production time from manuscript acceptance to publication has been decreased from 128 days in 2010 to only 56 days in 2012. Thus, in the past few years the mean time to publication of JGRAtmospheres has been cut in half. These milestones have been achieved with no loss of quality of presentation or content. In addition, online posting of "papers in press" on JGR-Atmosphere’s home page typically occurs within a few days after acceptance. JGR-Atmospheres editors thank manuscript reviewers, authors, and AGU staff who have greatly contributed to the more timely review and publication processes. This information will be updated periodically on the JGR-Atmospheres home page. A chart showing the average time from acceptance to publication for all of AGU’s journals is available at http://www.agu.org/pubs/pdf/31May2012_Timeliness_Chart.pdf.

de Gouw, Joost A.; Ghan, Steven J.; Pryor, Sara; Rudich, Yinon; Zhang, Renyi

2012-07-03T23:59:59.000Z

91

Atmospheric performance of the special-purpose Solar Energy Research Institute (SERI) thin-airfoil family  

DOE Green Energy (OSTI)

The Solar Energy Research Institute (SERI), in cooperation with SeaWest Energy Group, has completed extensive atmospheric testing of the special-purpose SERI thin-airfoil family during the 1990 wind season. The purpose of this test program was to experimentally verify the predicted performance characteristics of the thin-airfoil family on a geometrically optimized blade, and to compare it to original-equipment blades under atmospheric wind conditions. The tests were run on two identical Micon 65/13 horizontal-axis wind turbines installed side-by-side in a wind farm. The thin-airfoil family 7.96 m blades were installed on one turbine, and AeroStar 7.41 m blades were installed on the other. This paper presents final performance results of the side-by-side comparative field test for both clean and dirty blade conditions. 7 refs., 11 figs., 1 tab.

Tangler, J; Smith, B; Jager, D; Olsen, T

1990-09-01T23:59:59.000Z

92

Single-Column Modeling C. J. Walcek Atmospheric Sciences Research Center  

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

C. J. Walcek C. J. Walcek Atmospheric Sciences Research Center State University of New York Albany, New York Introduction intense mid latitude cyclone developed and traversed this domain, allowing one to investigate cloud cover under a wide variety of meteorological environments. Large-scale numerical models of the atmosphere approximate the heterogeneous or subgrid-scale nature of cloudiness by assuming that a fraction of each grid area is occupied by clouds. This cloud cover fraction is used to apportion cloud effects into a "grid-averaged" forcing within areas that contain a mixture of clear and cloudy regions. Most models of tropospheric dynamics assume that the fractional cloud coverage is determined by the grid- averaged relative humidity, stability, or resolvable-scale

93

Spectrometer for Sky-Scanning Sun-Tracking Atmospheric Research (4STAR): Instrument Technology  

SciTech Connect

The Spectrometer for Sky-Scanning, Sun-Tracking Atmospheric Research (4STAR) combines airborne sun tracking and sky scanning with diffraction spectroscopy, to improve knowledge of atmospheric constituents and their links to air-pollution/climate. Direct beam hyper-spectral measurement of optical depth improves retrievals of gas constituents and determination of aerosol properties. Sky scanning enhances retrievals of aerosol type and size distribution. 4STAR measurements will tighten the closure between satellite and ground-based measurements. 4STAR incorporates a modular sun-tracking/ sky-scanning optical head with fiber optic signal transmission to rack mounted spectrometers, permitting miniaturization of the external optical head, and future detector evolution. Technical challenges include compact optical collector design, radiometric dynamic range and stability, and broad spectral coverage. Test results establishing the performance of the instrument against the full range of operational requirements are presented, along with calibration, engineering flight test, and scientific field campaign data and results.

Dunagan, Stephen; Johnson, Roy; Zavaleta, Jhony; Russell, P. B.; Schmid, Beat; Flynn, Connor J.; Redemann, Jens; Shinozuka, Yohei; Livingston, J.; Segal Rozenhaimer, Michal

2013-08-06T23:59:59.000Z

94

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

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

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

95

WILLIAM HUME-ROTHERY AWARD LECTURE: Thermodynamics ...  

Science Conference Proceedings (OSTI)

Symposium, Hume-Rothery Symposium Thermodynamics and Diffusion ... (1997) the common assumption of a linear progression from basic research (science), ...

96

DOE/SC-ARM-020 Atmospheric Radiation Measurement Climate Research Facility  

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

20 20 Atmospheric Radiation Measurement Climate Research Facility Operations Quarterly Report July 1-September 30, 2013 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or

97

DOE/SC-ARM-12-021 Atmospheric Radiation Measurement Climate Research Facility  

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

1 1 Atmospheric Radiation Measurement Climate Research Facility Operations Quarterly Report July 1-September 30, 2012 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or

98

DOE/SC-ARM-13-020 Atmospheric Radiation Measurement Climate Research Facility  

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

0 0 Atmospheric Radiation Measurement Climate Research Facility Operations Quarterly Report July 1-September 30, 2013 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or

99

Information Content and Uncertainties in Thermodynamic Profiles and Liquid Cloud Properties Retrieved from the Ground-Based Atmospheric Emitted Radiance Interferometer (AERI)  

Science Conference Proceedings (OSTI)

The Atmospheric Emitted Radiance Interferometer (AERI) observes spectrally resolved downwelling radiance emitted by the atmosphere in the infrared portion of the electromagnetic spectrum. Profiles of temperature and water vapor, and cloud liquid ...

D.D. Turner; U. Löhnert

100

Research Highlight  

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

Characterizing Clouds at Arctic Atmospheric Observatories Characterizing Clouds at Arctic Atmospheric Observatories Download a printable PDF Submitter: Shupe, M., University of Colorado Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Shupe MD, VP Walden, E Eloranta, T Uttal, JR Campbell, SM Starkweather, and M Shiobara. 2011. "Clouds at Arctic atmospheric observatories, part I: occurrence and macrophysical properties." Journal of Applied Meteorology and Climatology, 50(3), 626-644. Shupe MD. 2011. "Clouds at Arctic atmospheric observatories, part II: thermodynamic phase characteristics." Journal of Applied Meteorology and Climatology, 50(3), 645-661. Figure 1: (a) Annual cycles of monthly mean cloud occurrence fraction at six Arctic atmospheric observatories. The average cloud fraction for all

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Thermodynamic Principles  

Science Conference Proceedings (OSTI)

...A thermodynamic system that undergoes no interchange of mass (material) with its surroundings is called a closed system. A closed system, however, can interchange energy with its surroundings....

102

Atmospheric Radiation Measurement Climate Research Facility Operations Quarterly Report January 1–March 31, 2012  

SciTech Connect

Individual raw datastreams from instrumentation at the Atmospheric Radiation Measurement (ARM) Climate Research Facility fixed and mobile sites are collected and sent to the Data Management Facility (DMF) at Pacific Northwest National Laboratory (PNNL) for processing in near real-time. Raw and processed data are then sent approximately daily to the ARM Data Archive, where they are made available to the research community. For each instrument, we calculate the ratio of the actual number of processed data records received daily at the Archive to the expected number of data records. The results are tabulated by (1) individual datastream, site, and month for the current year and (2) site and fiscal year (FY) dating back to 1998.

Voyles, JW

2012-04-13T23:59:59.000Z

103

A Neo-Rumsfeldian Framework for the Thermodynamics of Organic Particulate  

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

A Neo-Rumsfeldian Framework for the Thermodynamics of Organic Particulate A Neo-Rumsfeldian Framework for the Thermodynamics of Organic Particulate Matter Formation in the Atmosphere: Successes and Challenges Speaker(s): James F. Pankow Date: March 6, 2008 - 12:00pm Location: 90-3122 James F. Pankow. The thermodynamic principles according to which organic particulate matter (OPM) forms in the atmosphere have become well identified because of research progress made since about the mid 1990s. These are, ahem, known knowns. However, many unknowns exist regarding the concentrations and chemical characteristics of the biogenic and anthropogenic compounds present in the atmosphere that are important in OPM formation. In this context, since we know what we need to know more about, these are, well, known unknowns. Other known important unknowns are

104

Entanglement Thermodynamics  

E-Print Network (OSTI)

We study entanglement entropy for an excited state by making use of the proposed holographic description of the entanglement entropy. For a sufficiently small entangling region and with reasonable identifications we find an equation between entanglement entropy and energy which is reminiscent of the first law of thermodynamics. We then suggest four statements which might be thought of as four laws of entanglement thermodynamics.

Mohsen Alishahiha; Davood Allahbakhshi; Ali Naseh

2013-05-13T23:59:59.000Z

105

Evaluation of AIRS cloud thermodynamic phase determination with CALIPSO  

Science Conference Proceedings (OSTI)

The Atmospheric Infrared Sounder (AIRS) infrared-based cloud thermodynamic phase retrievals are evaluated using the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) cloud thermodynamic phase. The AIRS cloud phase is ...

Hongchun Jin; Shaima L. Nasiri

106

Atmospheric Radiation Measurement Climate Research Facility Operations Quarterly Report October 1–December 31, 2011  

Science Conference Proceedings (OSTI)

Individual raw datastreams from instrumentation at the Atmospheric Radiation Measurement (ARM) Climate Research Facility fixed and mobile sites are collected and sent to the Data Management Facility (DMF) at Pacific Northwest National Laboratory (PNNL) for processing in near real-time. Raw and processed data are then sent approximately daily to the ARM Archive, where they are made available to users. For each instrument, we calculate the ratio of the actual number of processed data records received daily at the Archive to the expected number of data records. The results are tabulated by (1) individual datastream, site, and month for the current year and (2) site and fiscal year (FY) dating back to 1998.

Voyles, JW

2012-01-09T23:59:59.000Z

107

Technical Sessions J.-F. Louis Atmospheric and Environment Research, Inc.  

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

-F. Louis -F. Louis Atmospheric and Environment Research, Inc. Cambridge, MA 02139 curve fitting and statistical interpolation.lrl fitting techniques, the fields are represented locally by analytical spline functions whose coefficients are determined by a least square method. Somewhat simpler malthematically, and more often used, statistical interpolation defines the value of the field at each grid point as the weighted average of nearby data. The Cressman and the Barnes techniques are two examples of statistical interpolation, which differ mainly by the shape of the weighting ful1ction. Generally, several passes through thedataare performed with different weighting functions, making successive corrections to the field to get as much information as possible out of the data.

108

Atmospheric Radiation Measurement Climate Research Facility Operations Quarterly Report July 1–September 30, 2011  

Science Conference Proceedings (OSTI)

Individual raw datastreams from instrumentation at the Atmospheric Radiation Measurement (ARM) Climate Research Facility fixed and mobile sites are collected and sent to the Data Management Facility (DMF) at Pacific Northwest National Laboratory (PNNL) for processing in near real-time. Raw and processed data are then sent approximately daily to the ARM Archive, where they are made available to users. For each instrument, we calculate the ratio of the actual number of processed data records received daily at the Archive to the expected number of data records. The results are tabulated by (1) individual datastream, site, and month for the current year and (2) site and fiscal year (FY) dating back to 1998.

Voyles, JW

2011-10-10T23:59:59.000Z

109

Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report January 1–March 31, 2011  

Science Conference Proceedings (OSTI)

Individual raw datastreams from instrumentation at the Atmospheric Radiation Measurement (ARM) Climate Research Facility fixed and mobile sites are collected and sent to the Data Management Facility (DMF) at Pacific Northwest National Laboratory (PNNL) for processing in near real-time. Raw and processed data are then sent approximately daily to the ARM Data Archive, where they are made available to users. For each instrument, we calculate the ratio of the actual number of processed data records received daily at the Data Archive to the expected number of data records. The results are tabulated by (1) individual datastream, site, and month for the current year and (2) site and fiscal year (FY) dating back to 1998.

Sisterson, DL

2011-04-11T23:59:59.000Z

110

Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report April 1–June 30, 2011  

Science Conference Proceedings (OSTI)

Individual raw datastreams from instrumentation at the Atmospheric Radiation Measurement (ARM) Climate Research Facility fixed and mobile sites are collected and sent to the Data Management Facility (DMF) at Pacific Northwest National Laboratory (PNNL) for processing in near real-time. Raw and processed data are then sent approximately daily to the ARM Archive, where they are made available to users. For each instrument, we calculate the ratio of the actual number of processed data records received daily at the Archive to the expected number of data records. The results are tabulated by (1) individual datastream, site, and month for the current year and (2) site and fiscal year (FY) dating back to 1998.

Voyles, JW

2011-07-25T23:59:59.000Z

111

Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report: October 1 - December 31, 2010  

Science Conference Proceedings (OSTI)

Individual raw datastreams from instrumentation at the Atmospheric Radiation Measurement (ARM) Climate Research Facility fixed and mobile sites are collected and sent to the Data Management Facility (DMF) at Pacific Northwest National Laboratory (PNNL) for processing in near real-time. Raw and processed data are then sent approximately daily to the ARM Archive, where they are made available to users. For each instrument, we calculate the ratio of the actual number of processed data records received daily at the Archive to the expected number of data records. The results are tabulated by (1) individual datastream, site, and month for the current year and (2) site and fiscal year (FY) dating back to 1998.

Sisterson, DL

2011-03-02T23:59:59.000Z

112

Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report July 1 - September 30, 2007  

Science Conference Proceedings (OSTI)

Description. Individual raw data streams from instrumentation at the Atmospheric Radiation Measurement (ARM) Program Climate Research Facility (ACRF) fixed and mobile sites are collected and sent to the Data Management Facility (DMF) at Pacific Northwest National Laboratory (PNNL) for processing in near real time. Raw and processed data are then sent daily to the ARM Archive, where they are made available to users. For each instrument, we calculate the ratio of the actual number of data records received daily at the Archive to the expected number of data records. The results are tabulated by (1) individual data stream, site, and month for the current year and (2) site and fiscal year (FY) dating back to 1998.

DL Sisterson

2007-10-01T23:59:59.000Z

113

Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report July 1 – September 30, 2006  

Science Conference Proceedings (OSTI)

Description. Individual raw data streams from instrumentation at the Atmospheric Radiation Measurement (ARM) Program Climate Research Facility (ACRF) fixed and mobile sites are collected and sent to the Data Management Facility (DMF) at Pacific Northwest National Laboratory (PNNL) for processing in near real time. Raw and processed data are then sent daily to the ACRF Archive, where they are made available to users. For each instrument, we calculate the ratio of the actual number of data records received daily at the Archive to the expected number of data records. The results are tabulated by (1) individual data stream, site, and month for the current year and (2) site and fiscal year dating back to 1998.

DL Sisterson

2006-10-01T23:59:59.000Z

114

Research Highlight  

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

or the part of the atmosphere that is affected most directly by surface processes. The thermodynamic properties and aerosol loading of the PBL distinguish it from the free...

115

A Neo-Rumsfeldian Framework for the Thermodynamics of Organic...  

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

Neo-Rumsfeldian Framework for the Thermodynamics of Organic Particulate Matter Formation in the Atmosphere: Successes and Challenges Speaker(s): James F. Pankow Date: March 6, 2008...

116

Research Highlight  

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

Structure of Cirrus Properties and Its Coupling with the State of the Structure of Cirrus Properties and Its Coupling with the State of the Large-Scale Atmosphere Download a printable PDF Submitter: Ivanova, K., Pennsylvania State University Ackerman, T. P., University of Washington Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: Ivanova K and TP Ackerman. 2009. "Tracking nucleation-growth-sublimation in cirrus clouds using ARM millimeter wavelength radar observations." Journal of Geophysical Research - Atmospheres, , D06113, 10.1029/2008JD010271. Figure 1. Values of the drift and diffusion coefficients of the Fokker-Planck equation derived from the MMCR radar reflectivity observations. The diffusion coefficient characterizes the small scale, fast

117

STATTHERM: a statistical thermodynamics program for calculating thermochemical information  

DOE Green Energy (OSTI)

A statistical thermodynamics program is presented which computes the thermochemical properties of a polyatomic molecule using statistical thermodynamic formulas. Thermodynamic data for substances involving C, H,O,N, and Cl elements are fitted into NASA polynomial form for use in combustion research or research where thermodynamical information is important.

Marinov, N.M.

1997-03-01T23:59:59.000Z

118

Pacific Northwest Laboratory annual report for 1987 to the DOE Office of Energy Research: Part 3, Atmospheric sciences  

Science Conference Proceedings (OSTI)

Currently, the broad goals of atmospheric research at Pacific Northwest Laboratory (PNL) are to describe and predict the nature and fate of atmospheric contaminants and to develop an understanding of the atmospheric processes contributing to their distribution on local, regional, and continental scales in the air, in clouds, and on the surface. For several years, studies of transport and diffusion have been extended to mesoscale areas of complex terrain. Atmospheric cleansing research has expanded to a regional scale, multilaboratory investigation of precipitation scavenging processes involving the transformation and wet deposition of chemicals composing ''acid rain.'' In addition, the redistribution and long-range transport of transformed contaminants passing through clouds is recognized as a necessary extension of our research to even larger scales in the future. A few long-range tracer experiments conducted in recent years and the special opportunity for measuring the transport and removal of radioactivity following the Chernobyl reactor accident of April 1986 offer important initial data bases for studying atmospheric processes at these super-regional scales.

Elderkin, C.E.

1988-08-01T23:59:59.000Z

119

Thermodynamics and time-directional invariance  

E-Print Network (OSTI)

Time directions are not invariant in conventional thermodynamics. We broadly follow ideas of Ludwig Boltzmann and investigate implications of postulating time-directional invariance in thermodynamics. In this investigation, we require that thermodynamic descriptions are not changed under time reversal accompanied by replacement of matter by antimatter (i.e. CPT-invariant thermodynamics). The matter and antimatter are defined as thermodynamic concepts without detailing their physical structure. Our analysis stays within the limits of conceptual thermodynamics and leads to effective negative temperatures, to thermodynamic restrictions on time travel and to inherent antagonism of matter and antimatter. This antagonism is purely thermodynamic; it explains the difficulty in achieving thermodynamic equilibrium between matter and antimatter and does not postulate their mutual annihilation on contact. We believe that the conclusions of this work can be of interest not only for people researching or teaching thermodyn...

Klimenko, A Y

2012-01-01T23:59:59.000Z

120

Thermodynamics of electroweak matter  

E-Print Network (OSTI)

This paper is a slightly modified version of the introductory part of a PhD thesis, also containing the articles hep-ph/0303019, hep-ph/0510375 and hep-ph/0512177. We provide a short history of the research of electroweak thermodynamics and a brief introduction to the theory as well as to the necessary theoretical tools needed to work at finite temperatures. We then review computations regarding the pressure of electroweak matter at high temperatures (the full expression of the perturbative expansion of the pressure is given in the appendix) and the electroweak phase diagram at finite chemical potentials. Finally, we compare electroweak and QCD thermodynamics.

A. Gynther

2006-09-21T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Measuring Thermodynamic Length  

E-Print Network (OSTI)

Measuring thermodynamic length Gavin E. Crooks ? PhysicalUSA (Dated: February 5, 2008) Thermodynamic length is abetween equilibrium thermodynamic states. Among other

Crooks, Gavin E

2009-01-01T23:59:59.000Z

122

Computational Fluid Dynamics Modeling of Atmospheric Flow Applied to Wind Energy Research.  

E-Print Network (OSTI)

??High resolution atmospheric flow modeling using computational fluid dynamics (CFD) has many applications in the wind energy industry. A well designed model can accurately calculate… (more)

Russell, Alan

2009-01-01T23:59:59.000Z

123

Scanning Transmission X-ray Microscopy: Applications in Atmospheric Aerosol Research  

E-Print Network (OSTI)

in secondary organic aerosol. Environ. Sci. Technol. 41 ,particles from an urban aerosol. Environ. Sci. Technol. 26 ,carbonaceous atmospheric aerosols. Journal of Aerosol

Moffet, Ryan C.

2011-01-01T23:59:59.000Z

124

Modelling of Slag Surface Tension from Thermodynamics  

Science Conference Proceedings (OSTI)

The relation between thermodynamics and surface tension is given by ... Basic Research of Direct Pyrolysis Performance of MgCl2 in Molten State for New ...

125

Thermodynamic Databases - TMS  

Science Conference Proceedings (OSTI)

Apr 8, 2008 ... Thermodynamic databases are developed by teams of experts critically assessing all experimental phase equilibrium and thermodynamic data.

126

Chemical Engineering & Processing Thermodynamics ...  

Science Conference Proceedings (OSTI)

... Engineering & Processing Thermodynamics Information at ... Phase Equilibrium Data (01/30 ... Connecting Thermodynamic and Dynamic Properties of ...

2010-09-24T23:59:59.000Z

127

First-principles Thermodynamics  

Science Conference Proceedings (OSTI)

Mar 4, 2013 ... Computational Thermodynamics and Kinetics: First-principles Thermodynamics Sponsored by: TMS Electronic, Magnetic, and Photonic ...

128

Research Highlight  

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

Tropical Radiosonde Comparisons May Improve Past and Present Humidity Data Tropical Radiosonde Comparisons May Improve Past and Present Humidity Data Submitter: Westwater, E. R., University of Colorado Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: Westwater, E.R., B.B. Stankov, D.Cimini, Y. Han, J.A. Shaw, B.M. Lesht, C.N. Long, 2003, Radiosonde Humidity Soundings and Microwave Radiometers during Nauru99, Journal of Atmospheric and Oceanic Technology, Vol. 21. ARM's Nauru99 campaign provided a rare opportunity to compare original and corrected land-based radiosonde temperature and humidity measurements with those obtained at sea. (ARM photo) Key Contributors: B. B. Stankov, D. Cimini, Y. Han, J. A Shaw, B. M. Lesht, C. N. Long Along the equator in the Central Pacific, DOE's Atmospheric Radiation

129

Research Highlight  

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

Atmospheric Moistening by Clouds Sustains Madden-Julian Oscillation Atmospheric Moistening by Clouds Sustains Madden-Julian Oscillation Download a printable PDF Submitter: Hagos, S. M., Pacific Northwest National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Life Cycle Journal Reference: N/A Outgoing longwave radiation (OLR Wm-2) signals in the tropics averaged between 10°S and 10°N from (a) a regional simulation with moisture constrained by observations and (b) NOAA-CPC satellite observations. The lines mark the eastward MJO propagation speed of 4 m/s. The constrained model is able to reproduce the key OLR features in the observations. Originating over the Indian Ocean, the Madden-Julian Oscillation (MJO) is an equatorial planetary-scale envelope of complex multi-scale cloud systems

130

The Advanced Very High Resolution Radiometer Pathfinder Atmosphere (PATMOS) Climate Dataset: A Resource for Climate Research  

Science Conference Proceedings (OSTI)

As part of the joint National Oceanic and Atmospheric Administration (NOAA) and National Aeronautics and Space Administration (NASA) Pathfinder program, the NOAA National Environmental Satellite, Data, and Information Service (NESDIS) has created ...

Herbert Jacobowitz; Larry L. Stowe; George Ohring; Andrew Heidinger; Kenneth Knapp; Nicholas R. Nalli

2003-06-01T23:59:59.000Z

131

meeting summary: Future Directions for Research on Meter- and Submeter-Scale Atmospheric Turbulence  

Science Conference Proceedings (OSTI)

In the 1970s, tremendous progress was made in the physics of atmospheric finescale turbulence. In subsequent decades, effort in this field has languished. Although many scientific and technological problems associated with finescale turbulence ...

Andreas Muschinski; Donald H. Lenschow

2001-12-01T23:59:59.000Z

132

Historical Research in the Atmospheric Sciences: The Value of Literature Reviews, Libraries, and Librarians  

Science Conference Proceedings (OSTI)

Based on a talk given at the sixth annual meeting of the Atmospheric Science Librarians International, this paper explores the author's experiences performing reviews of the scientific literature as a tool to advancing meteorology and studying ...

David M. Schultz

2004-07-01T23:59:59.000Z

133

Thermodynamic potentials and Thermodynamic Relations in Nonextensive Thermodynamics  

E-Print Network (OSTI)

The generalized Gibbs free energy and enthalpy is derived in the framework of nonextensive thermodynamics by using the so-called physical temperature and the physical pressure. Some thermodynamical relations are studied by considering the difference between the physical temperature and the inverse of Lagrange multiplier. The thermodynamical relation between the heat capacities at a constant volume and at a constant pressure is obtained using the generalized thermodynamical potential, which is found to be different from the traditional one in Gibbs thermodynamics. But, the expressions for the heat capacities using the generalized thermodynamical potentials are unchanged.

Lina, Guo

2010-01-01T23:59:59.000Z

134

Scanning Transmission X-ray Microscopy: Applications in Atmospheric Aerosol Research  

Science Conference Proceedings (OSTI)

Scanning transmission x-ray microscopy (STXM) combines x-ray microscopy and near edge x-ray absorption fine structure spectroscopy (NEXAFS). This combination provides spatially resolved bonding and oxidation state information. While there are reviews relevant to STXM/NEXAFS applications in other environmental fields (and magnetic materials) this chapter focuses on atmospheric aerosols. It provides an introduction to this technique in a manner approachable to non-experts. It begins with relevant background information on synchrotron radiation sources and a description of NEXAFS spectroscopy. The bulk of the chapter provides a survey of STXM/NEXAFS aerosol studies and is organized according to the type of aerosol investigated. The purpose is to illustrate the current range and recent growth of scientific investigations employing STXM-NEXAFS to probe atmospheric aerosol morphology, surface coatings, mixing states, and atmospheric processing.

Moffet, Ryan C.; Tivanski, Alexei V.; Gilles, Mary K.

2011-01-20T23:59:59.000Z

135

On thermodynamic and microscopic reversibility  

E-Print Network (OSTI)

On Thermodynamic and Microscopic Reversibility Abstract. Theof the University of California. On Thermodynamic andMicroscopic Reversibility Thermodynamic reversibility The

Crooks, Gavin E.

2012-01-01T23:59:59.000Z

136

Pacific Northwest Laboratory annual report for 1989 to the DOE (Department of Energy) Office of Energy Research - Part 3: Atmospheric Sciences  

Science Conference Proceedings (OSTI)

This 1989 Annual Report from Pacific Northwest Laboratory (PNL) to the US Department of Energy (DOE) describes research in environment, safety, and health conducted during fiscal year 1989. The report again consists of five parts, each in a separate volume. This volume contains research in the atmospheric sciences. Currently, the broad goals of atmospheric research at PNL are to describe and predict the nature and fate of atmospheric contaminants and to develop an understanding of the atmospheric processes contributing to their distribution on local, regional, continental, and global scales in the air, in clouds, and on the surface. The redistribution and long-range transport of transformed contaminants passing through clouds is recognized as a necessary extension of our research to even larger scales in the future. Eventually, large-scale experiments on cloud processing and redistribution of contaminants will be integrated into the national program on global change, investigating how energy pollutants affect aerosols and clouds and the transfer of radiant energy through them. As the significance of this effect becomes clear, its global impact on climate will be studied through experimental and modeling research. The description of ongoing atmospheric research at PNL is organized in terms of the following study areas: atmospheric studies in complex terrain, large-scale atmospheric transport and processing of emissions, and climate change. This report describes the progress in FY 1989 in each of these areas. A divider page summarizes the goals of each area and lists project titles that support research activities. 9 refs., 2 figs., 3 tabs.

Not Available

1990-06-01T23:59:59.000Z

137

Phantom thermodynamics  

E-Print Network (OSTI)

This paper deals with the thermodynamic properties of a phantom field in a flat Friedmann-Robertson-Walker universe. General expressions for the temperature and entropy of a general dark-energy field with equation of state $p=\\omega\\rho$ are derived from which we have deduced that, whereas the temperature of a cosmic phantom fluid ($\\omegathermodynamic properties of the quantum quantum field are also considered that include a generalized Wien law and the prediction of some novel phenomena such as the stimulated absorption of phantom energy and the anti-laser effect.

Pedro F. Gonzalez-Diaz; Carmen L. Siguenza

2004-07-20T23:59:59.000Z

138

ARM - Publications: Science Team Meeting Documents: AERI Thermodynamic  

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

AERI Thermodynamic Profiling VAP Improvements and Status AERI Thermodynamic Profiling VAP Improvements and Status Feltz, Wayne University of Wisconsin Howell, Ben University of Wisconsin-Madison Turner, David Pacific Northwest National Laboratory Mahon, Rick Pacific Northwest National Laboratory Knuteson, Robert University Of Wisconsin The Atmospheric Emitted Radiance Interferometer (AERI) was one of the primary instruments developed under the DOE ARM instrument development program (IDP) to be deployed to the Climate Research Facility (CRF) Southern Great Plains (SGP) central site near Lamont, Oklahoma. A prototype AERI was deployed in March 1993 where it collected data until the first AERI operational instrument replaced it in July 1999. The ARM archive contains AERI data from the ARM CART SGP central facility site from January

139

Atmospheric Radiation Measurement Program Climate Research Facility Operations Quarterly Report. October 1 - December 31, 2010.  

Science Conference Proceedings (OSTI)

Individual raw datastreams from instrumentation at the Atmospheric Radiation Measurement (ARM) Climate Research Facility fixed and mobile sites are collected and sent to the Data Management Facility (DMF) at Pacific Northwest National Laboratory (PNNL) for processing in near-real time. Raw and processed data are then sent approximately daily to the ARM Archive, where they are made available to users. For each instrument, we calculate the ratio of the actual number of processed data records received daily at the Archive to the expected number of data records. The results are tabulated by (1) individual datastream, site, and month for the current year and (2) site and fiscal year (FY) dating back to 1998. The U.S. Department of Energy (DOE) requires national user facilities to report time-based operating data. The requirements concern the actual hours of operation (ACTUAL); the estimated maximum operation or uptime goal (OPSMAX), which accounts for planned downtime; and the VARIANCE [1 - (ACTUAL/OPSMAX)], which accounts for unplanned downtime. The OPSMAX time for the first quarter of FY2010 for the Southern Great Plains (SGP) site is 2097.60 hours (0.95 x 2208 hours this quarter). The OPSMAX for the North Slope Alaska (NSA) locale is 1987.20 hours (0.90 x 2208) and for the Tropical Western Pacific (TWP) locale is 1876.80 hours (0.85 x 2208). The first ARM Mobile Facility (AMF1) deployment in Graciosa Island, the Azores, Portugal, continued through this quarter, so the OPSMAX time this quarter is 2097.60 hours (0.95 x 2208). The second ARM Mobile Facility (AMF2) began deployment this quarter to Steamboat Springs, Colorado. The experiment officially began November 15, but most of the instruments were up and running by November 1. Therefore, the OPSMAX time for the AMF2 was 1390.80 hours (.95 x 1464 hours) for November and December (61 days). The differences in OPSMAX performance reflect the complexity of local logistics and the frequency of extreme weather events. It is impractical to measure OPSMAX for each instrument or datastream. Data availability reported here refers to the average of the individual, continuous datastreams that have been received by the Archive. Data not at the Archive are caused by downtime (scheduled or unplanned) of the individual instruments. Therefore, data availability is directly related to individual instrument uptime. Thus, the average percentage of data in the Archive represents the average percentage of the time (24 hours per day, 92 days for this quarter) the instruments were operating this quarter. Summary. Table 1 shows the accumulated maximum operation time (planned uptime), actual hours of operation, and variance (unplanned downtime) for the period October 1-December 31, 2010, for the fixed sites. Because the AMFs operate episodically, the AMF statistics are reported separately and not included in the aggregate average with the fixed sites. This first quarter comprises a total of 2,208 possible hours for the fixed sites and the AMF1 and 1,464 possible hours for the AMF2. The average of the fixed sites exceeded our goal this quarter. The AMF1 has essentially completed its mission and is shutting down to pack up for its next deployment to India. Although all the raw data from the operational instruments are in the Archive for the AMF2, only the processed data are tabulated. Approximately half of the AMF2 instruments have data that was fully processed, resulting in the 46% of all possible data made available to users through the Archive for this first quarter. Typically, raw data is not made available to users unless specifically requested.

Sisterson, D. L.

2011-02-01T23:59:59.000Z

140

A Successful Introduction of Authentic Research Early in an Undergraduate Atmospheric Science Program  

Science Conference Proceedings (OSTI)

Participating in scientific research as an undergraduate student provides an opportunity to increase understanding of how scientific knowledge is advanced, to learn new research tools, to develop the ability to critically analyze new ideas, and to ...

Kathleen Quardokus; Sonia Lasher-Trapp; Eric M. Riggs

2012-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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.


141

H.: The Bonn University lidar at the Esrange: technical description and capabilties for atmospheric research  

E-Print Network (OSTI)

Raman backscatter lidar at the Esrange near the Swedish city of Kiruna, north of the Arctic circle. The lidar system covers the atmosphere from about 4 km to 100 km altitude and it is capable of measuring aerosols in the tropo-, strato-, and mesosphere, as well as of determining temperature profiles in the aerosol-free part of the atmosphere (i.e. above 30-km altitude). Density tuned fixed-spacer etalons provide daylight capability and thus increased sensitivity to noctilucent clouds during polar summer. Polarisation measurements allow liquid and solid phase discrimination for aerosol and cloud particles in the tropo- and stratosphere. The derived temperature profiles can be used for the detection and analysis of atmospheric gravity waves. Although several lidar experiments are situated in polar latitudes, a comprehensive instrument which covers the troposphere, stratosphere, and mesosphere, is daylight capable, and observes temperature profiles, as well as aerosols, is exceptional. In this article a technical description, in particular, of the optical configuration of this experiment is given, as well as an overview of achievable geophysical parameters. The potential for geophysical analyses is shown.

U. Blum; K. H. Fricke

2005-01-01T23:59:59.000Z

142

QCD Thermodynamics  

E-Print Network (OSTI)

Recent results on QCD thermodynamics are presented. The nature of the T>0 transition is determined, which turns out to be an analytic cross-over. The absolute scale for this transition is calculated. The temperature dependent static potential is given. The results were obtained by using a Symanzik improved gauge and stout-link improved fermionic action. In order to approach the continuum limit four different sets of lattice spacings were used with temporal extensions N_t=4, 6, 8 and 10 (they correspond to lattice spacings a \\sim 0.3, 0.2, 0.15 and 0.12 fm). A new technique is presented, which --in contrast to earlier methods-- enables one to determine the equation of state at very large temperatures.

Z. Fodor

2007-11-02T23:59:59.000Z

143

Simple Modifications to Improve Fifth-Generation Pennsylvania State University–National Center for Atmospheric Research Mesoscale Model Performance for the Phoenix, Arizona, Metropolitan Area  

Science Conference Proceedings (OSTI)

The diurnal temperature cycle in the Phoenix, Arizona, metropolitan area, as represented in the fifth-generation Pennsylvania State University–National Center for Atmospheric Research Mesoscale Model (MM5), is examined using a high-resolution 2-...

Joseph A. Zehnder

2002-09-01T23:59:59.000Z

144

Thermodynamics and Phase Transformation  

Science Conference Proceedings (OSTI)

The experimental data were used to verify and refine the thermodynamic optimization. 3:00 PM Thermodynamic Database Development for Magnesium Alloys ...

145

Thermodynamics Software/Codes - TMS  

Science Conference Proceedings (OSTI)

FORUMS > THERMODYNAMICS SOFTWARE/CODES, Replies, Views, Originator ... Thermodynamic calculations in multicomponent systems, 0, 1887, Cathy ...

146

Thermodynamic Origin of Life  

E-Print Network (OSTI)

Understanding the thermodynamic function of life may shed light on its origin. Life, as are all irreversible processes, is contingent on entropy production. Entropy production is a measure of the rate of the tendency of Nature to explore available microstates. The most important irreversible process generating entropy in the biosphere, and thus facilitating this exploration, is the absorption and transformation of sunlight into heat. Here we hypothesize that life began, and persists today, as a catalyst for the absorption and dissipation of sunlight at the surface of shallow seas. The resulting heat is then efficiently harvested by other irreversible processes such as the water cycle, hurricanes, and ocean and wind currents. RNA and DNA are the most efficient of all known molecules for absorbing the intense ultraviolet light that could have penetrated the dense early atmosphere, and are remarkably rapid in transforming this light into heat in the presence of liquid water. From this perspective, the origin and evolution of life, inseparable from water and the water cycle, can be understood as resulting from the natural thermodynamic imperative of increasing the entropy production of the Earth in its interaction with its solar environment. A mechanism is proposed for the reproduction of RNA and DNA without the need for enzymes, promoted instead through UV light dissipation and the ambient conditions of prebiotic Earth.

K. Michaelian

2009-07-01T23:59:59.000Z

147

Research Highlight  

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

Multifractal Analysis of Radiation in Clouds: 5000km to 50cm Multifractal Analysis of Radiation in Clouds: 5000km to 50cm Submitter: Lovejoy, S., McGill University Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: Lovejoy, S., D. Schertzer, J. D. Stanway, 2001: "Direct Evidence of planetary scale atmospheric cascade dynamics," Phys. Rev. Lett. 86(22): 5200-5203. Left: Power spectrum of the 5 different aircraft measured liquid water data sets from the FIRE experiment (averaged over 10 equally logarithmically spaced points on the k-axis and vertically offset). The absolute slopes with Î’ = 1.45 is indicated (straight line on top of graph) for reference. The number of sets used to compute the average from top to bottom: 4, 3, 1, 2, 5. A constant aircraft speed of 100m/s has been assumed. Right: Ensemble

148

Research Highlight  

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

Improved Simulation of Boundary Layer Clouds Improved Simulation of Boundary Layer Clouds Submitter: Ghan, S. J., Pacific Northwest National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: N/A Figure 1. Comparison of Boundary Layer Clouds Schemes in Climate Models with Satellite Observations Key Contributors: James McCaa, as part of his Ph.D. dissertation at University of Washington Chris Bretherton, University of Washington Dennis Hartmann, University of Washington Steven Ghan, Pacific Northwest National Laboratory Marine boundary layer clouds are among the most difficult clouds to represent in climate models. A team of atmospheric scientists from the University of Washington (UW) and the Pacific Northwest National Laboratory

149

Research Highlight  

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

Quantifying the Number of Independent Pieces of Information in Profiles Quantifying the Number of Independent Pieces of Information in Profiles Download a printable PDF Submitter: Crewell, S., University of Cologne Loehnert, U., University of Cologne Turner, D. D., National Oceanic and Atmospheric Administration Ebell, K., University of Cologne Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Radiative Processes Journal Reference: Lohnert U, DD Turner, and S Crewell. 2009. "Ground-based temperature and humidity profiling using spectral infrared and microwave observations. Part I: Simulated retrieval performance in clear-sky conditions." Journal of Applied Meteorology and Climatology, 48(5), 1017-1032. Crewell S, K Ebell, U Loehnert, and DD Turner. 2009. "Can liquid water profiles be retrieved from passive microwave zenith observations?"

150

Research Highlight  

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

A Comparison of Integrated Water Vapor Sensors: WVIOP-96 A Comparison of Integrated Water Vapor Sensors: WVIOP-96 Submitter: Liljegren, J. C., Argonne National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: N/A Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 The 1996 Water Vapor Intensive Operations Period (WVIOP-96) was conducted at the SGP CART central facility in September in order to assess the skill of a wide variety of sensors in measuring atmospheric water vapor. Here we present a comparison of radiometric brightness temperatures (TB) and vertically-integrated or "precipitable" water vapor (PWV) amounts derived from eight collocated ARM microwave radiometers, as well as microwave radiometers from the NOAA Environmental Technology Laboratory

151

Research Highlight  

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

Comparisons Between Radiosondes and Remote Sensors During the 2004 NSA Comparisons Between Radiosondes and Remote Sensors During the 2004 NSA Arctic Winter Radiometric Experiment Submitter: Westwater, E. R., University of Colorado Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Radiative Processes Journal Reference: Mattioli, V, ER Westwater, D Cimini, JS Liljegren, BM Lesht, SI Gutman, and FJ Schmidlin. 2007. "Analysis of radiosonde and ground-based remotely sensed PWV data from the 2004 North Slope of Alaska Arctic Winter Radiometric Experiment." Journal of Atmospheric and Oceanic Technology 243: 415-431. Description of radiosondes launched during the 2004 NSA Arctic Winter Radiometric Experiment. Dual-radiosonde launch of the Vaisala RS90 and Chilled Mirror radiosondes is pictured here.

152

Lawrence Livermore National Laboratory interests and capabilities for research on the ecological effects of global climatic and atmospheric change  

Science Conference Proceedings (OSTI)

The Lawrence Livermore National Laboratory (LLNL) has interests and capabilities in all three types of research that must be conducted in order to understand and predict effects of global atmospheric and climatic (i.e., environmental) changes on ecological systems and their functions (ecosystem function is perhaps most conveniently defined as mass and energy exchange and storage). These three types of research are: (1) manipulative experiments with plants and ecosystems; (2) monitoring of present ecosystem, landscape, and global exchanges and pools of energy, elements, and compounds that play important roles in ecosystem function or the physical climate system, and (3) mechanistic (i.e., hierarchic and explanatory) modeling of plant and ecosystem responses to global environmental change. Specific experimental programs, monitoring plans, and modeling activities related to evaluation of ecological effects of global environmental change that are of interest to, and that can be carried out by LLNL scientists are outlined. Several projects have the distinction of integrating modeling with empirical studies resulting in an Integrated Product (a model or set of models) that DOE or any federal policy maker could use to assess ecological effects. The authors note that any scheme for evaluating ecological effects of atmospheric and climatic change should take into account exceptional or sensitive species, in particular, rare, threatened, or endangered species.

Amthor, J.S.; Houpis, J.L.; Kercher, J.R.; Ledebuhr, A.; Miller, N.L.; Penner, J.E.; Robison, W.L.; Taylor, K.E.

1994-09-01T23:59:59.000Z

153

Research Highlights Sorted by Research Area  

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

Research Area Research Area Radiation Processes | Cloud Distributions/Characterizations | Surface Properties | General Circulation and Single Column Models/Parameterizations | Aerosol Properties | Atmospheric Thermodynamics and Vertical Structures | Clouds with Low Optical [Water] Depths (CLOWD) | Vertical Velocity | Broadband Heating Rate Profile (BBHRP) | Cloud-Aerosol-Precipitation Interactions | Cloud Processes | Aerosol Processes Radiation Processes Alexandrov, M. D. Optical Depth Measurements by Shadowband Radiometers and Their Uncertainties ARM Berg, L. Surface Summertime Radiative Forcing by Shallow Cumuli at the ARM SGP ARM Bergmann, D. The Influence of Regional Anthropogenic Emission Reductions on Aerosol Direct Radiative Forcing ASR Bhattacharya, A. Burning on the Prairies ARM

154

Colorado State University Center for Geosciences/Atmospheric Research (CG/AR)  

E-Print Network (OSTI)

Sat into three dimensions with the addition of information from the GOES Solar Insolation Product (GSIP) as well Interagency Land Dynamics Coordination Meeting at the Cold Regions Research and Engineering Laboratory -6- #12;(CRREL) at Hanover, NH on February 12. These meetings are being held to better coordinate and share

155

Colorado State University Center for Geosciences/Atmospheric Research (CG/AR)  

E-Print Network (OSTI)

Solar Insolation Product (GSIP) with a cloud classification system. This work's emphasis Jones, Theme Leader Coordinated DA research activities and made preparations for the CG/AR Annual review configured and coordinated several WRF-3DVAR runs in collaboration with Dr. Jones and obtained AFWA Land

156

1. TITLE OF PROPOSED RESEARCH: Performance Portability for Coupled AtmosphereOcean General Circulation Models  

E-Print Network (OSTI)

, Bldg. 6012 Oak Ridge, Tennessee 37831­6367 Phone : 423­574­3128 Fax : 423­574­0680 E­mail : worleyph@ornl, NCAR, and ORNL [6, 7]. This code uses an additional ``high level'' call structure or framework at ORNL. These resources are sufficient to begin the proposed research. We also expect to have access

157

Experiment plan for characterization of the properties of molten rock at atmospheric and elevated pressures: Magma Energy Research Project  

DOE Green Energy (OSTI)

Knowledge of the properties of molten rock (magma) is of importance to the Magma Energy Research Project of Sandia Laboratories. Facilities have been set up at Sandia to study the physical properties, chemistry, and corrosive nature of magma to 1600/sup 0/C and from atmospheric pressure to 4 kbar (400 MPa). Experiments at atmospheric pressure are being done in the presence of multicomponent gas mixtures to control the chemical activities of oxygen and sulfur. The high-pressure apparatus includes cold-seal small-volume pressure vessels (to 1100/sup 0/C and 1 kbar) and a large (750 cm/sup 3/ sample volume), internally heated pressure vessel (to 1600/sup 0/C and 4 kbar). The large vessel contains a number of penetrations for electrical leads and pressure lines, and is linked to a computer for data acquisition and control of experiments. Water and other dissolved volatiles (CO/sub 2/, CO, SO/sub 2/, S/sub 2/, H/sub 2/S, HCl, HF) have significant effects on all the properties of magma, and these effects will be studied in the high-pressure apparatus. Phase equilibria, viscosity, electrical conductivity, and materials compatibility will be the first properties to be examined under pressure. This report includes a review of the nature and chemical basis for the effects of dissolved volatiles on these properties of magma. 70 references, 10 figures.

Modreski, P.J.

1979-02-01T23:59:59.000Z

158

Physically Retrieving Cloud and Thermodynamic Parameters from Ultraspectral IR Measurements  

Science Conference Proceedings (OSTI)

A physical inversion scheme has been developed dealing with cloudy as well as cloud-free radiance observed with ultraspectral infrared sounders to simultaneously retrieve surface, atmospheric thermodynamic, and cloud microphysical parameters. A ...

Daniel K. Zhou; William L. Smith Sr.; Xu Liu; Allen M. Larar; Stephen A. Mango; Hung-Lung Huang

2007-03-01T23:59:59.000Z

159

CRC handbook of applied thermodynamics  

Science Conference Proceedings (OSTI)

The emphasis of this book is on applied thermodynamics, featuring the stage of development of a process rather than the logical development of thermodynamic principles. It is organized according to the types of problems encountered in industry, such as probing research, process assessment, and process development. The applied principles presented can be used in most areas of industry including oil and gas production and processing, chemical processing, power generation, polymer production, food processing, synthetic fuels production, specialty chemicals and pharmaceuticals production, bioengineered processes, etc.

Palmer, D.A. (Amoco Chemical Corp., Naperville, IL (USA). Research and Development Dept.)

1987-01-01T23:59:59.000Z

160

Thermodynamic Metrics and Optimal Paths  

E-Print Network (OSTI)

Thermodynamic metrics and optimal paths David A. Sivak ? andmanifold on the space of thermodynamic states. Within theconnection to the existing thermodynamic length formalism,

Sivak, David

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

THERMODYNAMICS AND MECHANISMS OF SINTERING  

E-Print Network (OSTI)

E. Hoge and Joseph A. Pask, "Thermodynamics of So:!.id StateJoseph A. Pask, "Thermodynamics and Geometric Considerations8419 r- ,y / ( /)~; - - I THERMODYNAMICS AND MECHANISMS OF

Pask, J.A.

2011-01-01T23:59:59.000Z

162

Validation of aerosol extinction and water vapor profiles from routine Atmospheric Radiation Measurement Climate Research Facility measurements  

Science Conference Proceedings (OSTI)

The accuracy with which vertical profiles of aerosol extinction ?ep(?) can be retrieved from ARM Climate Research Facility (ACRF) routine measurements was assessed using data from two airborne field campaigns, the ARM Aerosol Intensive Operation Period (AIOP, May 2003), and the Aerosol Lidar Validation Experiment (ALIVE, September 2005). This assessment pertains to the aerosol at its ambient concentration and thermodynamic state (i.e. ?ep(?) either free of or corrected for sampling artifacts) and includes the following ACRF routine methods: Raman Lidar, Micro Pulse Lidar (MPL) and in-situ aerosol profiles (IAP) with a small aircraft. Profiles of aerosol optical depth ?p(???, from which the profiles of ?ep(???are derived through vertical differentiation, were measured by the NASA Ames Airborne Tracking 14-channel Sunphotometer (AATS-14); these data were used as truth in this evaluation. The ACRF IAP ?ep(550 nm) were lower by 16% (during AIOP) and higher by 10% (during ALIVE) when compared to AATS-14. The ACRF MPL ?ep(523 nm) were higher by 24% (AIOP) and 19%-21% (ALIVE) compared to AATS-14 but the correlation improved significantly during ALIVE. In the AIOP a second MPL operated by NASA showed a smaller positive bias (13%) with respect to AATS-14. The ACRF Raman Lidar ?ep(355 nm) were higher by 54% (AIOP) and higher by 6% (ALIVE) compared to AATS-14. The large bias in AIOP stemmed from a gradual loss of the sensitivity of the Raman Lidar starting about the end of 2001 going unnoticed until after AIOP. A major refurbishment and upgrade of the instrument and improvements to a data-processing algorithm led to the significant improvement and very small bias in ALIVE. Finally we find that during ALIVE the Raman Lidar water vapor densities ?w are higher by 8% when compared to AATS-14, whereas comparisons between AATS-14 and in-situ measured ?w aboard two different aircraft showed small negative biases (0 to -3%).

Schmid, Beat; Flynn, Connor J.; Newsom, Rob K.; Turner, David D.; Ferrare, Richard; Clayton, Marian F.; Andrews, Elisabeth; Ogren, John A.; Johnson, Roy R.; Russell, P. B.; Gore, W.; Dominguez, Roseanne

2009-11-26T23:59:59.000Z

163

PNNL: FCSD: Atmospheric Sciences & Global Change: Programs &...  

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

Programs & Facilities Atmospheric Measurements Laboratory Atmospheric Radiation Measurement (ARM) Program and ARM Climate Research Facility ARM Aerial Facility Environmental...

164

Sources of Thermodynamic Data  

Science Conference Proceedings (OSTI)

...The thermodynamic data summarized in Table 2 are collected from a variety of sources. The certainty with which

165

Computational Thermodynamics and Kinetics  

Science Conference Proceedings (OSTI)

Jul 31, 2011 ... About this Symposium. Meeting, 2012 TMS Annual Meeting & Exhibition. Symposium, Computational Thermodynamics and Kinetics.

166

WEB RESOURCE: Development of a Thermodynamic Database for  

Science Conference Proceedings (OSTI)

Feb 12, 2007 ... Website tracking the progress of a joint research project aiming to join competences in nuclear materials and thermodynamic modelling to build ...

167

Thermodynamics of ATP in Solution  

Science Conference Proceedings (OSTI)

Thermodynamics of ATP in Solution. Summary: ... Computations of the thermodynamics of biomolecules in solution are rare in the literature. ...

2013-02-26T23:59:59.000Z

168

Wind Energy Forecasting: A Collaboration of the National Center for Atmospheric Research (NCAR) and Xcel Energy  

DOE Green Energy (OSTI)

The focus of this report is the wind forecasting system developed during this contract period with results of performance through the end of 2010. The report is intentionally high-level, with technical details disseminated at various conferences and academic papers. At the end of 2010, Xcel Energy managed the output of 3372 megawatts of installed wind energy. The wind plants span three operating companies1, serving customers in eight states2, and three market structures3. The great majority of the wind energy is contracted through power purchase agreements (PPAs). The remainder is utility owned, Qualifying Facilities (QF), distributed resources (i.e., 'behind the meter'), or merchant entities within Xcel Energy's Balancing Authority footprints. Regardless of the contractual or ownership arrangements, the output of the wind energy is balanced by Xcel Energy's generation resources that include fossil, nuclear, and hydro based facilities that are owned or contracted via PPAs. These facilities are committed and dispatched or bid into day-ahead and real-time markets by Xcel Energy's Commercial Operations department. Wind energy complicates the short and long-term planning goals of least-cost, reliable operations. Due to the uncertainty of wind energy production, inherent suboptimal commitment and dispatch associated with imperfect wind forecasts drives up costs. For example, a gas combined cycle unit may be turned on, or committed, in anticipation of low winds. The reality is winds stayed high, forcing this unit and others to run, or be dispatched, to sub-optimal loading positions. In addition, commitment decisions are frequently irreversible due to minimum up and down time constraints. That is, a dispatcher lives with inefficient decisions made in prior periods. In general, uncertainty contributes to conservative operations - committing more units and keeping them on longer than may have been necessary for purposes of maintaining reliability. The downside is costs are higher. In organized electricity markets, units that are committed for reliability reasons are paid their offer price even when prevailing market prices are lower. Often, these uplift charges are allocated to market participants that caused the inefficient dispatch in the first place. Thus, wind energy facilities are burdened with their share of costs proportional to their forecast errors. For Xcel Energy, wind energy uncertainty costs manifest depending on specific market structures. In the Public Service of Colorado (PSCo), inefficient commitment and dispatch caused by wind uncertainty increases fuel costs. Wind resources participating in the Midwest Independent System Operator (MISO) footprint make substantial payments in the real-time markets to true-up their day-ahead positions and are additionally burdened with deviation charges called a Revenue Sufficiency Guarantee (RSG) to cover out of market costs associated with operations. Southwest Public Service (SPS) wind plants cause both commitment inefficiencies and are charged Southwest Power Pool (SPP) imbalance payments due to wind uncertainty and variability. Wind energy forecasting helps mitigate these costs. Wind integration studies for the PSCo and Northern States Power (NSP) operating companies have projected increasing costs as more wind is installed on the system due to forecast error. It follows that reducing forecast error would reduce these costs. This is echoed by large scale studies in neighboring regions and states that have recommended adoption of state-of-the-art wind forecasting tools in day-ahead and real-time planning and operations. Further, Xcel Energy concluded reduction of the normalized mean absolute error by one percent would have reduced costs in 2008 by over $1 million annually in PSCo alone. The value of reducing forecast error prompted Xcel Energy to make substantial investments in wind energy forecasting research and development.

Parks, K.; Wan, Y. H.; Wiener, G.; Liu, Y.

2011-10-01T23:59:59.000Z

169

Response of Climate Simulation to a New Convective Parameterization in the National Center for Atmospheric Research Community Climate Model (CCM3)  

Science Conference Proceedings (OSTI)

This study examines the response of the climate simulation by the National Center for Atmospheric Research Community Climate Model (CCM3) to the introduction of the Zhang and McFarlane convective parameterization in the model. It is shown that in ...

Guang J. Zhang; Jeffrey T. Kiehl; Philip J. Rasch

1998-08-01T23:59:59.000Z

170

The Boulder Atmospheric Observatory  

Science Conference Proceedings (OSTI)

The Boulder Atmospheric Observatory (BAO) is a unique research facility for studying the planetary boundary layer and for testing and calibrating atmospheric sensors. The facility includes a 300 m tower instrumented with fast- and slow-response ...

J. C. Kaimal; J. E. Gaynor

1983-05-01T23:59:59.000Z

171

Research Highlight  

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

of Energy (DOE) Atmospheric Radiation Measurement (ARM) Program, U.S. Department of Agriculture (USDA) UV-B Monitoring and Research Program, National Oceanic and Atmospheric...

172

Nonextensive thermodynamic relations  

E-Print Network (OSTI)

The generalized zeroth law of thermodynamics indicates that the physical temperature in nonextensive statistical mechanics is different from the inverse of the Lagrange multiplier, ?. This leads to modifications of some of thermodynamic relations for nonextensive systems. Here, taking the first law of thermodynamics and the Legendre transform structure as the basic premises, it is found that Clausius’ definition of the thermodynamic entropy has to be appropriately modified. It is shown that the definitions of specific heat and pressure remain form invariant. Thus, the thermodynamic relations proposed by Tsallis, Mendes and Plastino [Physica A 261 (1998) 534] are rectified. As an application, the classical gas model is reexamined and, in marked contrast with the previous result using the unphysical temperature, the specific heat and the equation of state are found to be similar to those in ordinary extensive thermodynamics. PACS: 05.70.-a; 05.20.-y; 05.90.+m 1

A. Plastino

2000-01-01T23:59:59.000Z

173

Research Highlight  

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

Self-Regulation Strikes a Balance Between Hydrological Cycle, Radiation Self-Regulation Strikes a Balance Between Hydrological Cycle, Radiation Processes, and Intraseasonal Dynamic Variations Submitter: Stephens, G. L., Colorado State University Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: Stephens, Graeme L., Webster, Peter J., Johnson, Richard H., Engelen, Richard, L'Ecuyer, Tristan. 2004: Observational Evidence for the Mutual Regulation of the Tropical Hydrological Cycle and Tropical Sea Surface Temperatures. Journal of Climate: Vol. 17, No. 11, pp. 2213-2224. The "humidistat" feedback mechanism suggests that the hydrological cycle and sea surface temperatures mutually regulate each other in phases: the destabilization phase, the convective phase, and the restoring phase. These

174

Research Highlight  

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

Integrated Water Vapor and Cloud Liquid Water at MCTEX Integrated Water Vapor and Cloud Liquid Water at MCTEX Submitter: Liljegren, J. C., Argonne National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: N/A Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Integrated water vapor and cloud liquid water measurements were obtained during the Maritime Continent Thunderstorm Experiment (MCTEX) by Eugene Clothiaux and Tom Ackerman of Penn State University using an ARM microwave radiometer. The radiometer was deployed at Pularumpi, Melville Island (11.55 S, 130.56 E) off the north coast of Australia for November-December 1995. Time series of these results are shown in Figure 1. Time series of integrated or "precipitable" water vapor (PWV) and liquid

175

Research Highlight  

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

Simulating the Impact of Aerosols on Tropical Deep Convection Simulating the Impact of Aerosols on Tropical Deep Convection Download a printable PDF Submitter: Morrison, H. C., NCAR Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Morrison H and WW Grabowski. 2011. "Cloud-system resolving model simulations of aerosol indirect effects on tropical deep convection and its thermodynamic environment." Atmospheric Chemistry and Physics, 11(20), doi:10.5194/acp-11-10503-201. Profiles of ensemble- and horizontally averaged a) cloud water mixing ratio, b) rain mixing ratio, c) ice mixing ratio, d) cloud droplet concentration, e) rain number concentration, and f) ice number concentration, Ni, for pristine (blue), polluted (green), and highly

176

Research Highlight  

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

Out with the Old, in with the New: McICA to Replace Traditional Cloud Out with the Old, in with the New: McICA to Replace Traditional Cloud Overlap Assumptions Submitter: Pincus, R., NOAA - CIRES Climate Diagnostics Center Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Modeling Journal Reference: Pincus, R., R. Hemler, and S.A. Klein, 2006: Using Stochastically Generated Subcolumns to Represent Cloud Structure in a Large-Scale Model. Mon. Wea. Rev., 134, 3644-3656. As shown by the difference between the two panels, the standard way (AM2, top panel) of mixing solar reflection and transmission differs systematically from the Independent Column Approximation approach. Because cloud-radiation interactions depend critically on the vertical amount of clouds, different assumptions about how this alignment occurs

177

Research Highlight  

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

Evaluation of Microwave Radiometer Performance in Alaska Evaluation of Microwave Radiometer Performance in Alaska Submitter: Liljegren, J. C., Argonne National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties, Radiative Processes Journal Reference: N/A Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 In order to determine the extent to which the ARM microwave radiometers would need to be modified to accommodate Arctic operations, an instrument designed for the Tropical Western Pacific was deployed at the University of Alaska at Fairbanks and continuously operated from 14 December 1995 through 20 June 1996 with the assistance of North Slope Site Scientist Knut Stamnes and Deputy Site Scientist Abdul Alkezweeny. Time series plots of the data are presented in Figure 1.

178

Thermodynamic databases - TMS  

Science Conference Proceedings (OSTI)

Apr 8, 2008 ... Fe-DATA * Ni-DATA * NiFe-Super * Ti-DATA * TiAl-DATA Citation: " Thermodynamic databases," Thermotech Sente Software. Launch Site.

179

Thermodynamics and scale relativity  

E-Print Network (OSTI)

It is shown how the fractal paths of scale relativity (following Nottale) can be introduced into a thermodynamical context (following Asadov-Kechkin).

Carroll, Robert

2011-01-01T23:59:59.000Z

180

Thermodynamics and Diffusion  

Science Conference Proceedings (OSTI)

Feb 28, 2011 ... Hume-Rothery Symposium Thermodynamics and Diffusion Coupling ... be quite fundamental and often it cannot be distinguished from “basic” ...

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Thermodynamic curvature and black holes  

E-Print Network (OSTI)

I give a relatively broad survey of thermodynamic curvature $R$, one spanning results in fluids and solids, spin systems, and black hole thermodynamics. $R$ results from the thermodynamic information metric giving thermodynamic fluctuations. $R$ has a unique status in thermodynamics as being a geometric invariant, the same for any given thermodynamic state. In fluid and solid systems, the sign of $R$ indicates the character of microscopic interactions, repulsive or attractive. $|R|$ gives the average size of organized mesoscopic fluctuating structures. The broad generality of thermodynamic principles might lead one to believe the same for black hole thermodynamics. This paper explores this issue with a systematic tabulation of results in a number of cases.

Ruppeiner, George

2013-01-01T23:59:59.000Z

182

Thermodynamic curvature and black holes  

E-Print Network (OSTI)

I give a relatively broad survey of thermodynamic curvature $R$, one spanning results in fluids and solids, spin systems, and black hole thermodynamics. $R$ results from the thermodynamic information metric giving thermodynamic fluctuations. $R$ has a unique status in thermodynamics as being a geometric invariant, the same for any given thermodynamic state. In fluid and solid systems, the sign of $R$ indicates the character of microscopic interactions, repulsive or attractive. $|R|$ gives the average size of organized mesoscopic fluctuating structures. The broad generality of thermodynamic principles might lead one to believe the same for black hole thermodynamics. This paper explores this issue with a systematic tabulation of results in a number of cases.

George Ruppeiner

2013-09-04T23:59:59.000Z

183

Thermodynamics of Enzyme-Catalyzed Reactions  

Science Conference Proceedings (OSTI)

Enzyme, Thermodynamics of Enzyme-Catalyzed Reactions, NIST. Thermodynamics of Enzyme-Catalyzed Reactions. NIST. ...

2013-04-05T23:59:59.000Z

184

Thermodynamic & Kinetic Data for Sustainable Energy  

Science Conference Proceedings (OSTI)

Thermodynamic & Kinetic Data for Sustainable Energy. Summary: Industry needs thermodynamic and kinetic data for the ...

2012-10-05T23:59:59.000Z

185

Electrochemical thermodynamic measurement system  

DOE Patents (OSTI)

The present invention provides systems and methods for accurately characterizing thermodynamic and materials properties of electrodes and electrochemical energy storage and conversion systems. Systems and methods of the present invention are configured for simultaneously collecting a suite of measurements characterizing a plurality of interconnected electrochemical and thermodynamic parameters relating to the electrode reaction state of advancement, voltage and temperature. Enhanced sensitivity provided by the present methods and systems combined with measurement conditions that reflect thermodynamically stabilized electrode conditions allow very accurate measurement of thermodynamic parameters, including state functions such as the Gibbs free energy, enthalpy and entropy of electrode/electrochemical cell reactions, that enable prediction of important performance attributes of electrode materials and electrochemical systems, such as the energy, power density, current rate and the cycle life of an electrochemical cell.

Reynier, Yvan (Meylan, FR); Yazami, Rachid (Los Angeles, CA); Fultz, Brent T. (Pasadena, CA)

2009-09-29T23:59:59.000Z

186

The thermodynamics of bubbles  

E-Print Network (OSTI)

This paper outlines those concitions annanded by the laws of thermodynamics for equilibriza betwoen the vapor in a bubble and the surrounding liquid and then employs these concepts with a nucleation theory in an atteapt ...

Clark, John A.

1956-01-01T23:59:59.000Z

187

Extensivity and Relativistic Thermodynamics  

E-Print Network (OSTI)

The mathematical properties associated with the widely accepted concept of the extensivity of many of the common thermodynamic variables are examined and some of their consequences considered. The possible conflict between some of these and currently accepted results of special relativistic thermodynamics is highlighted. Although several questions are raised, answers are not advanced as this seems an area demanding calm, widespread reflection which could conceivably lead to radical revision of part, or parts, of theoretical physics.

J. Dunning-Davies

2007-06-27T23:59:59.000Z

188

Contributions of the Atmospheric Radiation Measurement (ARM) Program and the ARM Climate Research Facility to the U.S. Climate Change Science Program  

SciTech Connect

The Earth’s surface temperature is determined by the balance between incoming solar radiation and thermal (or infrared) radiation emitted by the Earth back to space. Changes in atmospheric composition, including greenhouse gases, clouds, and aerosols can alter this balance and produce significant climate change. Global climate models (GCMs) are the primary tool for quantifying future climate change; however, there remain significant uncertainties in the GCM treatment of clouds, aerosol, and their effects on the Earth’s energy balance. The 2007 assessment (AR4) by the Intergovernmental Panel on Climate Change (IPCC) reports a substantial range among GCMs in climate sensitivity to greenhouse gas emissions. The largest contributor to this range lies in how different models handle changes in the way clouds absorb or reflect radiative energy in a changing climate (Solomon et al. 2007). In 1989, the U.S. Department of Energy (DOE) Office of Science created the Atmospheric Radiation Measurement (ARM) Program within the Office of Biological and Environmental Research (BER) to address scientific uncertainties related to global climate change, with a specific focus on the crucial role of clouds and their influence on the transfer of radiation in the atmosphere. To address this problem, BER has adopted a unique two-pronged approach: * The ARM Climate Research Facility (ACRF), a scientific user facility for obtaining long-term measurements of radiative fluxes, cloud and aerosol properties, and related atmospheric characteristics in diverse climate regimes. * The ARM Science Program, focused on the analysis of ACRF data to address climate science issues associated with clouds, aerosols, and radiation, and to improve GCMs. This report describes accomplishments of the BER ARM Program toward addressing the primary uncertainties related to climate change prediction as identified by the IPCC.

SA Edgerton; LR Roeder

2008-09-30T23:59:59.000Z

189

Thermodynamics of Fractal Universe  

E-Print Network (OSTI)

We investigate the thermodynamical properties of the apparent horizon in a fractal universe. We find that one can always rewrite the Friedmann equation of the fractal universe in the form of the entropy balance relation $ \\delta Q=T_h d{S_h}$, where $ \\delta Q $ and $ T_{h} $ are the energy flux and Unruh temperature seen by an accelerated observer just inside the apparent horizon. We find that the entropy $S_h$ consists two terms, the first one which obeys the usual area law and the second part which is the entropy production term due to nonequilibrium thermodynamics of fractal universe. This shows that in a fractal universe, a treatment with nonequilibrium thermodynamics of spacetime may be needed. We also study the generalized second law of thermodynamics in the framework of fractal universe. When the temperature of the apparent horizon and the matter fields inside the horizon are equal, i.e. $T=T_h$, the generalized second law of thermodynamics can be fulfilled provided the deceleration and the equation of state parameters ranges either as $-1 \\leq q thermodynamics can be secured in a fractal universe by suitably choosing the fractal parameter $\\beta$.

Ahmad Sheykhi; Zeinab Teimoori; Bin Wang

2012-10-29T23:59:59.000Z

190

Scientific Final Report: COLLABORATIVE RESEARCH: CONTINUOUS DYNAMIC GRID ADAPTATION IN A GLOBAL ATMOSPHERIC MODEL: APPLICATION AND REFINEMENT  

SciTech Connect

This project had goals of advancing the performance capabilities of the numerical general circulation model EULAG and using it to produce a fully operational atmospheric global climate model (AGCM) that can employ either static or dynamic grid stretching for targeted phenomena. The resulting AGCM combined EULAG's advanced dynamics core with the 'physics' of the NCAR Community Atmospheric Model (CAM). Effort discussed below shows how we improved model performance and tested both EULAG and the coupled CAM-EULAG in several ways to demonstrate the grid stretching and ability to simulate very well a wide range of scales, that is, multi-scale capability. We leveraged our effort through interaction with an international EULAG community that has collectively developed new features and applications of EULAG, which we exploited for our own work summarized here. Overall, the work contributed to over 40 peer-reviewed publications and over 70 conference/workshop/seminar presentations, many of them invited.

William J. Gutowski; Joseph M. Prusa, Piotr K. Smolarkiewicz

2012-04-09T23:59:59.000Z

191

Scale Dependence of the Thermodynamic Forcing of Tropical Monsoon Clouds: Results from TRMM Observations  

Science Conference Proceedings (OSTI)

Clouds exert a thermodynamic forcing on the ocean–atmosphere column through latent heating, owing to the production of rain, and through cloud radiative forcing, owing to the absorption of terrestrial infrared energy and the reflection of solar ...

Eric M. Wilcox; V. Ramanathan

2001-04-01T23:59:59.000Z

192

The Radiative, Cloud, and Thermodynamic Properties of the Major Tropical Western Pacific Cloud Regimes  

Science Conference Proceedings (OSTI)

This study investigates the radiative, cloud, and thermodynamic characteristics of the atmosphere separated into objectively defined cloud regimes in the tropical western Pacific (TWP). A cluster analysis is applied to 2 yr of daytime-only data ...

Christian Jakob; George Tselioudis; Timothy Hume

2005-04-01T23:59:59.000Z

193

Thermodynamic scheme of inhomogeneous perfect fluid mixtures  

E-Print Network (OSTI)

Astron. Soc. 140 461 Thermodynamic scheme of inhomogeneousto have a different thermodynamic framework, in which non-S0264-9381(04)68056-7 Thermodynamic scheme of inhomogeneous

Zarate, R D; Quevedo, Hernando

2004-01-01T23:59:59.000Z

194

THE TRANSPOSED CRITICAL TEMPERATURE RANKINE THERMODYNAMIC CYCLE  

E-Print Network (OSTI)

Pines, "Program GEOTHM, a Thermodynamic Process Program forand R. L. Fulton, "The Thermodynamic and Cost Benefits of aof Elec- tric Power, Thermodynamic and Economic Design

Pope, William L.

2012-01-01T23:59:59.000Z

195

Thermodynamic measurements of applied magnetic materials  

E-Print Network (OSTI)

6 Thermodynamic measurements of 6.1based scanning calorimeter for thermodynamic prop- erties ofK.J. Michel, and F. Hellman. Thermodynamic measurements of

Cooke, David William

2010-01-01T23:59:59.000Z

196

Fisher info and thermodynamics' first law  

E-Print Network (OSTI)

1991); B. H. Lavenda, Thermodynamics of Extremes (Al- bion,Fisher information and thermodynamics’ 1st. law A. Plastinotransform (LT) of thermodynamics can be microscopically

Plastino, A; Plastino, A R; Soffer, Bernard H

2006-01-01T23:59:59.000Z

197

Evolution Vs. Thermodynamics  

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

Evolution Vs. Thermodynamics Evolution Vs. Thermodynamics Name: Murphy iii Status: N/A Age: N/A Location: N/A Country: N/A Date: Around 1993 Question: Does the THEORY of evolution contradict the Second Law of thermodynamics? If not, how can an organic system grow in complexity in light of that law? Do not even try to tell me that hot methane soup has less chaos than cool DNA. Replies: The second law only says that the entropy (disorder) of a complete closed system must increase with time, not that the orderliness of one part of that system cannot increase. Increasing complexity of life must be balanced with more increase of disorder somewhere else in the system. Life itself increases order, but only of a small part of the overall system, whose entropy, when all parts are added up, must always be increasing

198

Thermodynamic Modeling Studies  

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

Modeling Studies Modeling Studies J. Lindner, L. T. Smith, J. C. Luthe, L. Pearson. R. K. Toghiani, Y. Xia, and P. Naik Institute for Clean Energy Technology Mississippi State University May 20,2009 Initial Tank Composition Remove liquid to reflect undrained saltcake Stage 1 Dissolution Remove transfer stream 1 liquids transfer stream 0 liquids recycle solids liquids transfer stream 1 liquids recycle solids Next Stage of Dissolution DWPF recycle Thermodynamic Modeling Studies 2 Overview of Presentation * Database Activities and Needs * C farm retrievals and neural network development * Thermodynamic data and computational methods for liquid waste flowsheet modeling (SRS) * Aluminum solubility studies Thermodynamic Modeling Studies 3 Database Activities and Needs * Earlier a mid-term study addressed the solubility of a number of systems if

199

Confusion in Thermodynamics  

E-Print Network (OSTI)

For a long time now, confusion has existed in the minds of many over the meaning of various concepts in thermodynamics. Recently, this point has been brought to people's attention by two articles appearing on the well-known archive (arxiv) web site. The content of these two pieces serves to illustrate many of the problems and has occasioned the construction of this answer to at least some of them. The position of the axiom proposed by Carath\\'eodory is central in this matter and here its position is clarified and secured within the framework of thermodynamics. In particular, its relation to the First Law is examined and justified.

Jeremy Dunning-Davies; David Sands

2011-03-02T23:59:59.000Z

200

Heat Balance in the Pacific Warm Pool Atmosphere during TOGA COARE and CEPEX  

Science Conference Proceedings (OSTI)

The atmosphere above the western equatorial Pacific warm pool (WP) is an important source for the dynamic and thermodynamic forcing of the atmospheric general circulation. This study uses a high-resolution reanalysis and several observational ...

Baijun Tian; Guang Jun Zhang; V. Ramanathan

2001-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

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

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

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

202

Thermodynamic Database Population Software (DBCreate)  

Update Thermodynamic Databases for Modeling Geochemical Processes The DBCreate software quickly and accurately updates thermodynamic databases used in geochemical modeling, based on changes in temperatures and pressures. The software facilitates the ...

203

Discrete Thermodynamics of Chemical Equilibria  

E-Print Network (OSTI)

The paper sets forth comprehensive basics of Discrete Thermodynamics of Chemical Equilibria (DTD), developed by the author during the last decade and spread over series of publications. Based on the linear equations of irreversible thermodynamics, De Donder's definition of the thermodynamic force, and the Le Chatelier principle, DTD brings forward a notion of chemical equilibrium as a balance of internal and external thermodynamic forces, acting against a chemical system. The basic expression of DTD is a logistic map that ties together energetic characteristics of the chemical transformation in the system, its deviation from true thermodynamic equilibrium, and the sum of thermodynamic forces, causing that deviation. System deviation from thermodynamic equilibrium is the major variable of the theory. Solutions to the basic map define the chemical system domain of states comprising bifurcation diagrams with four areas, from true thermodynamic equilibrium to chaos, having specific distinctive meaning for chemica...

Zilbergleyt, B

2008-01-01T23:59:59.000Z

204

Vibrational Thermodynamics of Materials  

E-Print Network (OSTI)

Abstract. The literature on vibrational thermodynamics of materials is reviewed. The emphasis is on metals and alloys, especially on the progress over the last decade in understanding differences in the vibrational entropy of different alloy phases and phase transformations. Some results on carbides, nitrides, oxides, hydrides and lithium-storage materials are also covered. Principles of harmonic phonons in alloys are organized into thermodynamic models for unmixing and ordering transformations on an Ising lattice, and extended for non-harmonic potentials. Owing to the high accuracy required for the phonon frequencies, quantitative predictions of vibrational entropy with analytical models prove elusive. Accurate tools for such calculations or measurements were challenging for many years, but are more accessible today. Ab-initio methods for calculating phonons in solids are summarized. The experimental techniques of calorimetry, inelastic neutron scattering, and inelastic x-ray scattering are explained with enough detail to show the issues of using these methods for investigations of vibrational thermodynamics. The explanations extend to methods of data analysis that affect the accuracy of thermodynamic information. It is sometimes possible to identify the structural and chemical origins of the differences in vibrational entropy of materials, and the number of these assessments is growing. There has been

Brent Fultz

2009-01-01T23:59:59.000Z

205

Thermodynamics and Phase Diagrams  

Science Conference Proceedings (OSTI)

...of two-phase fields meet also is limited by thermodynamics. That is, the angle must be such that the extension of each beyond the point of intersection projects into a two-phase field, rather than a one-phase

206

Electrochemical Thermodynamic Measurement System - Energy ...  

The present invention provides systems and methods for accurately characterizing thermodynamic and materials properties of electrodes and electrochemical energy ...

207

Experimental Datasets from Chemical Thermodynamics  

E-Print Network (OSTI)

Mar 29, 2005 ... Optimization Online. Experimental Datasets from Chemical Thermodynamics. Evgenii Rudnyi (Evgenii ***at*** Rudnyi.Ru). Abstract: I have ...

208

Kinetic equilibrium and relativistic thermodynamics  

E-Print Network (OSTI)

Relativistic thermodynamics is treated from the point of view of kinetic theory. It is shown that the generalized J\\"uttner distribution suggested in [1] is compatible with kinetic equilibrium. The requirement of compatibility of kinetic and thermodynamic equilibrium reveals several generalizations of the Gibbs relation where the velocity field is an independent thermodynamic variable.

Ván, P

2011-01-01T23:59:59.000Z

209

Kinetic equilibrium and relativistic thermodynamics  

E-Print Network (OSTI)

Relativistic thermodynamics is treated from the point of view of kinetic theory. It is shown that the generalized J\\"uttner distribution suggested in [1] is compatible with kinetic equilibrium. The requirement of compatibility of kinetic and thermodynamic equilibrium reveals several generalizations of the Gibbs relation where the velocity field is an independent thermodynamic variable.

P. Ván

2011-02-01T23:59:59.000Z

210

Thermodynamics of Enzyme-Catalyzed Reactions  

Science Conference Proceedings (OSTI)

... RN, Tewari YB, Bhat TN, "Thermodynamics of Enzyme ... Thermodynamic Background; How to Use This Database ... and Chemical Reference Data as ...

2013-08-29T23:59:59.000Z

211

An Analysis of the Conditional Instability of the Tropical Atmosphere  

Science Conference Proceedings (OSTI)

The ice phase is included in thermodynamic calculations of convective available potential energy (CAPE) for a large number of soundings in the tropical atmosphere, at both land and ocean stations. It is found that the positive-buoyancy ...

Erle Williams; Nilton Renno

1993-01-01T23:59:59.000Z

212

A Compositing Approach for Preserving Significant Features in Atmospheric Profiles  

Science Conference Proceedings (OSTI)

Composite profiles of thermodynamic and kinematic variables are prepared to represent the characteristics of the environment within which a particular atmospheric phenomenon occurs. During the averaging process, it is desirable to retain the ...

Rodger A. Brown

1993-03-01T23:59:59.000Z

213

Nonconservation of Ertel Potential Vorticity in Hydrogen Atmospheres  

Science Conference Proceedings (OSTI)

The compositions of the atmospheres of the outer planets are dominated by molecular hydrogen. The hydrogen ortho and para forms (proton spins parallel and antiparallel) are observed to have ratios that are not in thermodynamic equilibrium, with ...

Peter J. Gierasch; Barney J. Conrath; Peter L. Read

2004-08-01T23:59:59.000Z

214

EAQUATE: An International Experiment For Hyperspectral Atmospheric Sounding Validation  

Science Conference Proceedings (OSTI)

The international experiment called the European Aqua Thermodynamic Experiment (EAQUATE) was held in September 2004 in Italy and the United Kingdom to validate Aqua satellite Atmospheric Infrared Sounder (AIRS) radiance measurements and derived ...

J. P. Taylor; S. Newman; W. L. Smith; V. Cuomo; F. Romano; G. Pappalardo; G. Pavese; L. Mona; A. Amodeo; A. M. Larar; D. K. Zhou; C. Serio; P. Di Girolamo; F. Esposito; G. Grieco; D. Summa; R. Restieri; G. Masiello; T. Maestri; R. Rizzi; P. Antonelli; S. Mango; G. Pisani

2008-02-01T23:59:59.000Z

215

Sandia National Laboratories: Research: Facilities: Technology...  

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

Systems Validation Facility Radiation Detection Materials Characterization Laboratory Shock Thermodynamic Applied Research Facility (STAR) Weapon and Force Protection Center...

216

Thermodynamic theory of kinetic overshoots  

E-Print Network (OSTI)

Everything that is not prohibited is permissible. So, what is prohibited in the course of chemical reactions, heat transfer and other dissipative processes? Is it possible to “overshoot ” the equilibrium, and if yes, then how far? Thermodynamically allowed and prohibited trajectories of processes are discussed by the example of effects of equilibrium encircling. The complete theory of thermodynamically accessible states is presented. The space of all thermodynamically admissible paths is presented by projection on the “thermodynamic tree”, that is the tree of the related thermodynamic potential (entropy, free energy, free enthalpy) in the balance polyhedron. The stationary states and limit points for open systems are localized too. 1

Er N. Gorban; Gregory S. Yablonsky

2005-01-01T23:59:59.000Z

217

Acoustic Waves in the Turbulent Atmosphere: A Review  

Science Conference Proceedings (OSTI)

The subject of atmospheric acoustics and its role in atmospheric research and in development of modern methods of ground-based remote sensing of the atmosphere are outlined. A historical overview of investigations of the effect of atmospheric ...

M. A. Kallistratova

2002-08-01T23:59:59.000Z

218

Thermodynamics of Chaplygin gas  

E-Print Network (OSTI)

We clarify thermodynamics of the Chaplygin gas by introducing the integrability condition. All thermal quantities are derived as functions of either volume or temperature. Importantly, we find a new general equation of state, describing the Chaplygin gas completely. We confirm that the Chaplygin gas could show a unified picture of dark matter and energy which cools down through the universe expansion without any critical point (phase transition).

Yun Soo Myung

2008-12-02T23:59:59.000Z

219

Thermodynamics of Chaplygin gas  

E-Print Network (OSTI)

We clarify thermodynamics of the Chaplygin gas by introducing the integrability condition. All thermal quantities are derived as functions of either volume or temperature. Importantly, we find a new general equation of state, describing the Chaplygin gas completely. We confirm that the Chaplygin gas could show a unified picture of dark matter and energy which cools down through the universe expansion without any critical point (phase transition).

Myung, Yun Soo

2008-01-01T23:59:59.000Z

220

Gravity, Dimension, Equilibrium, & Thermodynamics  

E-Print Network (OSTI)

Is it actually possible to interpret gravitation as space's property in a pure classical way. Then, we note that extended self-gravitating system equilibrium depends directly on the number of dimension of the space in which it evolves. Given those precisions, we review the principal thermodynamical knowledge in the context of classical gravity with arbitrary dimension of space. Stability analyses for bounded 3D systems, namely the Antonov instability paradigm, are then rapproched to some amazing properties of globular clusters and galaxies.

Jerome Perez

2006-03-30T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Classical QGP : IV. Thermodynamics  

E-Print Network (OSTI)

We construct the equation of a state of the classical QGP valid for all values of Gamma=V/K, the ratio of the mean Coulomb to kinetic energy. By enforcing the Gibbs relations, we derive the pertinent pressure and entropy densities for all Gamma. For the case of an SU(2) classical gluonic plasma our results compare well with lattice simulations. We show that the strongly coupled component of the classical QGP contributes significantly to the bulk thermodynamics across T_c.

Sungtae Cho; Ismail Zahed

2008-12-09T23:59:59.000Z

222

Enhanced research program on the long-range climatic effects of increased atmospheric carbon dioxide -- A continuation  

SciTech Connect

In the past year, the authors have reached several important milestones in the modeling and analysis of increased greenhouse-gas-caused climate change. Some of this work was highlighted in the recent update of the 1992 Intergovernmental Panel on Climate Change report. The milestones are (1) analysis of the ongoing control and transient experiments out to 70 years, (2) development and testing of a new-generation coupled model, (3) analysis of natural variability and El Nino-Southern Oscillation (ENSO) climate change, (4) examination of the role of cirrus albedo in global climate sensitivity, (5) participation in various model intercomparisons, and (6) assistance with an exhibit on the greenhouse effect at the Franklin Institute Museum in Philadelphia, Pennsylvania. (Although this latter activity was not part of the planned research, they felt that the contribution to the exhibit would benefit science education).

Washington, W.M.; Meehl, G.A.

1992-01-01T23:59:59.000Z

223

Pacific Northwest Laboratory annual report for 1988 to the DOE Office of Energy Research: Part 3, Atmospheric sciences  

Science Conference Proceedings (OSTI)

Disposal of spent fuel or high level nuclear waste into marine sediments would create high temperature-high gamma radiation environments adjacent to waste canisters. Under these conditions sediments will react producing pore waters that differ significantly from those occurring naturally. These changes may enhance canister corrosion or facilitate transport of radionuclides through unreacted sediments beyond the heated zone. In addition, the term ''near field'' needs clarification, as it is used widely without having a precise meaning. Research in three areas was undertaken to improve our understanding of near field chemical processes. Initially, isothermal experiments were carried out in ''Dickson'' hydrothermal systems. These were followed by an experimental program directed at understanding the chemical effects of temperature-gradient induced transport. Finally, additional experimentation was done to study the combined effects of hydrothermal conditions and intense gamma radiation. Having completed this body of experimental work, it was concluded that near field conditions are not an obstacle to the safe use of abyssal marine sediments for the disposal of spent fuel or high level nuclear wastes. 41 refs., 6 figs., 17 tabs.

Not Available

1989-04-01T23:59:59.000Z

224

High-Temperature Thermodynamic Data for Species in Aqueous Solution  

Science Conference Proceedings (OSTI)

This report summarizes the results of experimental and theoretical research on the high-temperature thermodynamic properties of aqueous species important to nuclear reactor water chemistry. Methods of predicting thermodynamic functions are presented for electrolytes up to 300 degrees Celsius for use in supplementing experimental data. The report includes tables (up to 300 degrees Celsius) of (1) important equilibrium constants for 78 reactions encountered in corrosion and precipitation in nuclear reactor...

1982-05-01T23:59:59.000Z

225

Enhanced research program on the long-range climatic effects of increased atmospheric carbon dioxide and sulfate aerosols. Final report  

SciTech Connect

Consistent with the objectives to extract as much as possible from existing models on the role of the oceans in the greenhouse effect and to improve various aspects of the coupled system, the authors made significant progress in three areas. (1) In a series of manuscripts, they documented how the El Nino-Southern Oscillation operates in the model and how it is enhanced with increased carbon dioxide. (2) In studies with collaborators Branstator, Karoly, and Karl, they explored the possible carbon dioxide ``fingerprint`` in zonal mean temperatures, the effects of changes in extratropical teleconnections, and the regional effects of low-frequency variability and climate change. (3) They experimented with an advanced version of the NCAR community climate model (CCM0) that also includes the Ramanathan and Collins cirrus albedo feedback mechanism. This model was run with a mixed layer and was tested with the 1{degree} 20-level Semtner and Chervin ocean model. The latter includes the Arctic Ocean and dynamic sea ice, both showing realistic results. The authors completed the coupling of the advanced models. The dynamic ocean model was a 1{degree}x1{degree} version of the Semtner-Chervin 1/2{degree}x1/2{degree} ocean model with 20 vertical levels. The 1{degree}x1{degree} version of the Semtner-Chervin model used in this research explicitly resolved some aspects of the mesoscale eddies as did the parent model. The new coupled model system for greenhouse gas simulations on climate change was tested on multidecadal runs.

Washington, W.M.; Meehl, G.A.

1997-04-01T23:59:59.000Z

226

Initial Assessment of the Spectrometer for Sky-Scanning, Sun-Tracking Atmospheric Research (4STAR)-Based Aerosol Retrieval: Sensitivity Study  

SciTech Connect

The Spectrometer for Sky-Scanning, Sun-Tracking Atmospheric Research (4STAR) being developed for airborne measurements will offer retrievals of aerosol microphysical and optical properties from multi-angular and multi-spectral measurements of sky radiance and direct-beam sun transmittance. In this study, we assess the expected accuracy of the 4STAR-based aerosol retrieval and its sensitivity to major sources of anticipated perturbations in the 4STAR measurements by adapting a theoretical approach previously developed for the AERONET measurements. The major anticipated perturbations are (1) an apparent enhancement of sky radiance at small scattering angles associated with the necessarily compact design of the 4STAR and (2) and an offset (i.e. uncertainty) of sky radiance calibration independent of scattering angle. The assessment is performed through application of the operational AERONET aerosol retrieval and constructed synthetic 4STAR-like data. Particular attention is given to the impact of these perturbations on the upwelling and downwelling broadband fluxes and the direct aerosol radiative forcing at the bottom and top of the atmosphere. The results from this study suggest that limitations in the accuracy of 4STAR-retrieved particle size distributions and scattering phase functions have diminished impact on the accuracy of retrieved bulk microphysical parameters, permitting quite accurate retrievals of properties including the effective radius (up to 10%, or 0.03), and the radiatively important optical properties, such as the asymmetry factor (up to 4%, or ±0.02) and single-scattering albedo (up to 6%, or ±0.04). Also, the obtained results indicate that the uncertainties in the retrieved aerosol optical properties are quite small in the context of the calculated fluxes and direct aerosol radiative forcing (up to 15%, or 3 Wm-2).

Kassianov, Evgueni I.; Flynn, Connor J.; Redemann, Jens; Schmid, Beat; Russell, P. B.; Sinyuk, Alexander

2012-10-24T23:59:59.000Z

227

Thermodynamic Characterization of Mexico City Aerosol during MILAGRO 2006  

E-Print Network (OSTI)

Thermodynamic Characterization of Mexico City Aerosol duringA computationally efficient thermodynamic equilibrium modelurban aerosols determined by thermodynamic equilibrium? An

Fountoukis, C.

2009-01-01T23:59:59.000Z

228

On thermodynamic and microscopic reversibility  

SciTech Connect

The word 'reversible' has two (apparently) distinct applications in statistical thermodynamics. A thermodynamically reversible process indicates an experimental protocol for which the entropy change is zero, whereas the principle of microscopic reversibility asserts that the probability of any trajectory of a system through phase space equals that of the time reversed trajectory. However, these two terms are actually synonymous: a thermodynamically reversible process is microscopically reversible, and vice versa.

Crooks, Gavin E.

2011-07-12T23:59:59.000Z

229

Research Highlight  

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

and validation of a black carbon mixing state resolved three-dimensional model: Aging processes and radiative impact." Journal of Geophysical Research - Atmospheres, ,...

230

Research Highlight  

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

Pollution + Storm Clouds Warmer Atmosphere Download a printable PDF Submitter: Fan, J., Pacific Northwest National Laboratory Area of Research: Cloud-Aerosol-Precipitation...

231

Research Highlight  

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

Characterization of Atmospheric Aerosols Using MFRSR Measurements Download a printable PDF Submitter: Alexandrov, M. D., Columbia University Area of Research: Aerosol Properties...

232

Thermodynamic Database for Nuclear Materials  

Science Conference Proceedings (OSTI)

Feb 8, 2007 ... This resource features an interactive index to thermodynamic properties included on the International Nuclear Safety Center Material Properties ...

233

Thermodynamics of 1-flavor QCD  

E-Print Network (OSTI)

We present first results, for heavy to moderate quark masses, of a study of thermodynamic properties of 1-flavor QCD, using the multiboson algorithm.

C. Alexandrou; A. Boriçi; A. Feo; Ph. de Forcrand; A. Galli; F. Jegerlehner; T. Takaishi

1996-09-18T23:59:59.000Z

234

New results in extended thermodynamics.  

E-Print Network (OSTI)

??The subject of this thesis lays in the context of Extended Thermodynamics. The classical methodology to solve the system of balance equations, in E.T., leads… (more)

Carrisi, Maria Cristina

2008-01-01T23:59:59.000Z

235

Advances in Computational Solvation Thermodynamics.  

E-Print Network (OSTI)

??The aim of this thesis is to develop improved methods for calculating the free energy, entropy and enthalpy of solvation from molecular simulations. Solvation thermodynamics… (more)

Wyczalkowski, Matthew

2009-01-01T23:59:59.000Z

236

Thermodynamics of geothermal fluids  

DOE Green Energy (OSTI)

A model to predict the thermodynamic properties of geothermal brines, based on a minimum amount of experimental data on a few key systems, is tested. Volumetric properties of aqueous sodium chloride, taken from the literature, are represented by a parametric equation over the range 0 to 300{sup 0}C and 1 bar to 1 kbar. Density measurements at 20 bar needed to complete the volumetric description also are presented. The pressure dependence of activity and thermal properties, derived from the volumetric equation, can be used to complete an equation of state for sodium chloride solutions. A flow calorimeter, used to obtain heat capacity data at high temperatures and pressures, is described. Heat capacity measurements, from 30 to 200{sup 0}C and 1 bar to 200 bar, are used to derive values for the activity coefficient and other thermodynamic properties of sodium sulfate solutions as a function of temperature. Literature data on the solubility of gypsum in mixed electrolyte solutions have been used to evaluate model parameters for calculating gypsum solubility in seawater and natural brines. Predictions of strontium and barium sulfate solubility in seawater also are given.

Rogers, P.S.Z.

1981-03-01T23:59:59.000Z

237

A New Bruker IFS 125HR FTIR Spectrometer for the Polar Environment Atmospheric Research Laboratory at Eureka, Nunavut, Canada: Measurements and Comparison with the Existing Bomem DA8 Spectrometer  

Science Conference Proceedings (OSTI)

A new Bruker IFS 125HR Fourier transform spectrometer has been installed at the Polar Environment Atmospheric Research Laboratory at Eureka, Nunavut, Canada (80.05°N, 86.42°W). This instrument will become the Network for the Detection of ...

Rebecca L. Batchelor; Kimberly Strong; Rodica Lindenmaier; Richard L. Mittermeier; Hans Fast; James R. Drummond; Pierre F. Fogal

2009-07-01T23:59:59.000Z

238

Prediction of thermodynamic properties of coal derivatives  

Science Conference Proceedings (OSTI)

The purpose of this research program is to understand and model the effect of the different intermolecular forces on the thermodynamic properties of systems containing pure compounds and mixtures. The compounds under consideration vary considerably in size, shape and energy. Therefore in order to develop a theory capable of describing accurately the thermodynamic properties and phase behavior of such systems over a wide range of temperature and pressure, one has to take into account explicitly the differences in shape and size among the various compounds as well as the different type of intermolecular interactions. In order to get a better understanding of the intermolecular forces and to test some of our recent models, we have performed considerable experimental work. We used FTIR to examine hydrogen bonding interactions between small molecules and between small molecules and polymers. In addition, we investigated experimentally the high pressure phase behavior of ternary and quaternary systems exhibiting polar and hydrogen bonding interactions.

Donohue, M.D.

1991-10-01T23:59:59.000Z

239

Ch. 33 Modeling: Computational Thermodynamics  

Science Conference Proceedings (OSTI)

This chapter considers methods and techniques for computational modeling for nuclear materials with a focus on fuels. The basic concepts for chemical thermodynamics are described and various current models for complex crystalline and liquid phases are illustrated. Also included are descriptions of available databases for use in chemical thermodynamic studies and commercial codes for performing complex equilibrium calculations.

Besmann, Theodore M [ORNL

2012-01-01T23:59:59.000Z

240

THERRP: a thermodynamic properties program  

DOE Green Energy (OSTI)

The computer program THERPP, a program that calculates the thermodynamic properties of light hydrocarbons and mixtures of light hydrocarbons is documented. A specific pressure--temperature or pressure--enthalpy grid is input to obtain properties in the desired region. THERPP is a modification of the program HSGC. Thermodynamic properties are calculated using Starling's modification to the Benedict-Webb-Rubin equation of state.

Deeds, R.S.

1977-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

THERMODYNAMIC PROPERTIES OF SeS  

E-Print Network (OSTI)

rights . ;, a 9 U (t,) -iii- THERMODYNAMIC PROPERTIES OF SeSSeS gas. only estimated thermodynamic data are Since groupinterest to study the thermodynamic properties of SeS in

Huang, M.-D.

2011-01-01T23:59:59.000Z

242

Dean Edwards - Research Staff - FEERC  

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

currently involved in research in the areas of engine and vehicle systems modeling, thermodynamic efficiency, and control of advanced combustion. Dean is a member of SAE, ASME, and...

243

Atmospheric CO2 Records fFrom Sites Operated by the Fraunhofer...  

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

the Fraunhofer Institute for Atmospheric Environment Research Garmisch-Partenkirchen, Germany Wank Peak, Germany Zugspitze, Germany Fraunhofer Institute for Atmospheric...

244

Phase Equilibrium Measurements and Thermodynamic Optimization ...  

Science Conference Proceedings (OSTI)

The phase diagram is calculated from the thermodynamic model with the FactSage ... The experimental data were used to verify and refine the thermodynamic ...

245

Thermodynamics and Kinetics Information at NIST  

Science Conference Proceedings (OSTI)

... Staff (06/28/2013). Thermodynamic & Kinetic Data for Sustainable Energy (10/05/2012). Thermodynamics and Kinetics Group (07/06/2013 ...

2010-05-24T23:59:59.000Z

246

Understanding Thermodynamics and Structural Dynamics in ...  

Science Conference Proceedings (OSTI)

... talk will cover work done on understanding the thermodynamics and structural ... behavior can be modeled using a number of thermodynamic models ...

247

Thermodynamic Consistency of the Anelastic Approximation for a Moist Atmosphere  

Science Conference Proceedings (OSTI)

The primary goal of this paper is to validate the use of the anelastic approximation for fluids with a complex equation of state such as moist air or seawater. The anelastic approximation is based on a leading-order expansion of the equations of ...

Olivier Pauluis

2008-08-01T23:59:59.000Z

248

Clouds at Arctic Atmospheric Observatories. Part II: Thermodynamic Phase Characteristics  

Science Conference Proceedings (OSTI)

Cloud phase defines many cloud properties and determines the ways in which clouds interact with other aspects of the climate system. The occurrence fraction and characteristics of clouds distinguished by their phase are examined at three Arctic ...

Matthew D. Shupe

2011-03-01T23:59:59.000Z

249

A U. S. Department of Energy User Facility Atmospheric Radiation  

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

S. Department of Energy User Facility Atmospheric Radiation Measurement Climate Research Facility U.S. Department of Energy Atmospheric Radiation Measurement Program DOESC-ARM...

250

CRC handbook of applied thermodynamics  

Science Conference Proceedings (OSTI)

This book feature an overview of the importance of physical properties and thermodynamics; and the use of thermodynamics to predict the extent of reaction in proposed new chemical combinations. The use of special types of data and prediction methods to develop flowsheets for probing projects; and sources of critically evaluated data, dividing the published works into three categories depending on quality are given. Methods of doing one's own critical evaluation of literature, a list of known North American contract experimentalist with the types of data measured by each, methods for measuring equilibrium data, and thermodynamic concepts to carry out process optimization are also featured.

Palmer, D.A. (Amoco Chemical Co., Naperville, IL (United States). Research and Development Dept.)

1987-01-01T23:59:59.000Z

251

Dynamical Processes of Equatorial Atmospheric Angular Momentum  

Science Conference Proceedings (OSTI)

The dynamical processes that drive intraseasonal equatorial atmospheric angular momentum (EAAM) fluctuations are examined with the National Centers for Environmental Prediction–National Center for Atmospheric Research (NCEP–NCAR) reanalysis data. ...

Steven B. Feldstein

2006-02-01T23:59:59.000Z

252

Nonequilibrium Thermodynamics of Porous Electrodes  

E-Print Network (OSTI)

We reformulate and extend porous electrode theory for non-ideal active materials, including those capable of phase transformations. Using principles of non-equilibrium thermodynamics, we relate the cell voltage, ionic ...

Ferguson, Todd Richard

253

Thermodynamic Analysis of Ocean Circulation  

Science Conference Proceedings (OSTI)

Calculating a streamfunction as function of depth and density is proposed as a new way of analyzing the thermodynamic character of the overturning circulation in the global ocean. The sign of an overturning cell in this streamfunction directly ...

J. Nycander; J. Nilsson; K. Döös; G. Broström

2007-08-01T23:59:59.000Z

254

Review of Selenium Thermodynamic Data  

Science Conference Proceedings (OSTI)

Utilities need accurate equilibrium and nonequilibrium models to predict concentrations of toxic metals, such as selenium, in the environment. A comprehensive review of available information revealed the insufficiency and inaccuracy of selenium thermodynamic data available for equilibrium modeling.

1988-02-12T23:59:59.000Z

255

Thermodynamic black di-rings  

SciTech Connect

Previously the five dimensional S{sup 1}-rotating black rings have been superposed in a concentric way by some solitonic methods, and regular systems of two S{sup 1}-rotating black rings were constructed by the authors and then Evslin and Krishnan (we called these solutions 'black di-rings'). In this place we show some characteristics of the solutions of five dimensional black di-rings, especially in thermodynamic equilibrium. After the summary of the di-ring expressions and their physical quantities, first we comment on the equivalence of the two different solution sets of the black di-rings. Then the existence of thermodynamic black di-rings is shown, in which both isothermality and isorotation between the inner black ring and the outer black ring are realized. We also give detailed analysis of peculiar properties of the thermodynamic black di-ring including discussion about a certain kind of thermodynamic stability (instability) of the system.

Iguchi, Hideo; Mishima, Takashi [Laboratory of Physics, College of Science and Technology, Nihon University, Narashinodai, Funabashi, Chiba 274-8501 (Japan)

2010-10-15T23:59:59.000Z

256

On the Mathematics of Thermodynamics  

E-Print Network (OSTI)

We show that the mathematical structure of Gibbsian thermodynamics flows from the following simple elements: the state space of a thermodynamical substance is a measure space together with two orderings (corresponding to "warmer than" and "adiabatically accessible from") which satisfy certain plausible physical axioms and an area condition which was introduced by Paul Samuelson. We show how the basic identities of thermodynamics, in particular the Maxwell relations, follow and so the existence of energy, free energy, enthalpy and the Gibbs potential function. We also discuss some questions which we have not found dealt with in the literature, such as the amount of information required to reconstruct the equations of state of a substance and a systematic approach to thermodynamical identities.

J. B. Cooper; T. Russell

2011-02-08T23:59:59.000Z

257

Atypical Thermodynamic Profiles in Hurricanes  

Science Conference Proceedings (OSTI)

The global positioning system dropwindsondes deployed in Hurricane Bonnie on 26 August 1998 with supporting deployments in Hurricanes Mitch (1998) and Humberto (2001) are used to identify three unusual thermodynamic structures in the lower-cloud ...

Gary M. Barnes

2008-02-01T23:59:59.000Z

258

Thermodynamic black di-rings  

E-Print Network (OSTI)

Previously the five dimensional $S^1$-rotating black rings have been superposed in concentric way by some solitonic methods and regular systems of two $S^1$-rotating black rings were constructed by the authors and then Evslin and Krishnan (we called these solutions black di-rings). In this place we show some characteristics of the solutions of five dimensional black di-rings, especially in thermodynamic equilibrium. After the summary of the di-ring expressions and their physical quantities, first we comment on the equivalence of the two different solution-sets of the black di-rings. Then the existence of thermodynamic black di-rings are shown, in which both iso-thermality and iso-rotation between the inner black ring and the outer black ring are realized. We also give detailed analysis of peculiar properties of the thermodynamic black di-ring including discussion about a certain kind of thermodynamic stability (instability) of the system.

Iguchi, Hideo

2010-01-01T23:59:59.000Z

259

Thermodynamic Investigation of Crystalline Thorium Selenite ...  

Science Conference Proceedings (OSTI)

Page 1. Thermodynamic Investigation of Crystalline Thorium Selenite Monohydrate VP NesterenkoC,S Belarusian National ...

2006-07-20T23:59:59.000Z

260

Some topics in thermodynamics and quantum mechanics  

E-Print Network (OSTI)

We sketch some connecting relations involving fractional and quantum calculi, fractal structure, thermodynamics, and quantum mechanics.

Robert Carroll

2012-10-29T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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 Influence of Midlatitude Ocean–Atmosphere Coupling on the Low-Frequency Variability of a GCM. Part I: No Tropical SST Forcing  

Science Conference Proceedings (OSTI)

This study examines the extent to which the thermodynamic interactions between the midlatitude atmosphere and the underlying oceanic mixed layer contribute to the low-frequency atmospheric variability. A general circulation model, run under ...

Ileana Bladé

1997-08-01T23:59:59.000Z

262

Atmospheric Circulation Response to an Instantaneous Doubling of Carbon Dioxide. Part II: Atmospheric Transient Adjustment and Its Dynamics  

Science Conference Proceedings (OSTI)

The dynamical mechanisms underlying the transient circulation adjustment in the extratropical atmosphere after the instantaneous doubling of carbon dioxide are investigated using the National Center for Atmospheric Research Community Atmosphere ...

Yutian Wu; Richard Seager; Tiffany A. Shaw; Mingfang Ting; Naomi Naik

2013-02-01T23:59:59.000Z

263

A Multiscale Anelastic Model for Meteorological Research  

Science Conference Proceedings (OSTI)

The recently reported nonhydrostatic anelastic numerical model for simulating a range of atmospheric processes on scales from micro to planetary is extended to moist processes. A theoretical formulation of moist precipitating thermodynamics ...

Wojciech W. Grabowski; Piotr K. Smolarkiewicz

2002-04-01T23:59:59.000Z

264

NETL: Onsite Research  

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

Research Onsite Research Publications Computed Tomography and Statistical Analysis of Bubble Size Distributions in Atmospheric-Generated Foamed Cement (August 9, 2013) Comparison...

265

Axisymmetric Hurricane in a Dry Atmosphere: Theoretical Framework and Numerical Experiments  

Science Conference Proceedings (OSTI)

This paper discusses the possible existence of hurricanes in an atmosphere without water vapor and analyzes the dynamic and thermodynamic structures of simulated hurricane-like storms in moist and dry environments. It is first shown that the “...

Agnieszka A. Mrowiec; Stephen T. Garner; Olivier M. Pauluis

2011-08-01T23:59:59.000Z

266

A Coupled Atmosphere?Fire Model: Convective Feedback on Fire-Line Dynamics  

Science Conference Proceedings (OSTI)

The object of this paper is to describe and demonstrate the necessity and utility of a coupled atmosphere-fire model: a three-dimensional, time-dependent wildfire simulation model, based on the primitive equations of motion and thermodynamics, ...

Terry L. Clark; Mary Ann Jenkins; Janice Coen; David Packham

1996-06-01T23:59:59.000Z

267

Unstable and Damped Equatorial Modes in Simple Coupled Ocean-Atmosphere Models  

Science Conference Proceedings (OSTI)

Free equatorial modes for several simple coupled ocean-atmosphere models are determined. They are found to include unstable and damped modes of large zonal scale and long period. The influence of ocean thermo-dynamics on unstable modal behavior ...

Anthony C. Hirst

1986-03-01T23:59:59.000Z

268

Thermodynamic cost of acquiring information  

E-Print Network (OSTI)

Connections between information theory and thermodynamics have proven to be very useful to establish bounding limits for physical processes. Ideas such as Landauer's erasure principle and information assisted work extraction have greatly contributed not only to enlarge our understanding about the fundamental limits imposed by nature, but also to enlighten the path for practical implementations of information processing devices. The intricate information-thermodynamics relation also entails a fundamental limit on parameter estimation, establishing a thermodynamic cost for information acquisition. More specifically, we show that the amount of information that can be encoded in a physical system (and consequently extracted) by means of any process is limited by the dissipated work during the implementation of the process. This includes a thermodynamic trade-off for information acquisition. Likewise, any information acquisition process is ultimately limited by the second law of thermodynamics. Such a trade-off may find applications in several areas of knowledge, since parameter estimation lies in the building basis of all natural sciences and several technological applications, such as metrology.

Kaonan Micadei; Roberto M. Serra; Lucas C. Celeri

2012-11-02T23:59:59.000Z

269

A Molecular-Thermodynamic Lattice Model for Binary Mixtures  

E-Print Network (OSTI)

A Molecular-Thermodynamic Lattice Model for Binary Mixtures*was much interest in the thermodynamic properties of binarythat end, we use the thermodynamic perturbation method,

Qin, Yuan; Prausnitz, John M.

2005-01-01T23:59:59.000Z

270

Complexation of Actinides in Solution: Thermodynamic Measurements and Structural Characterization  

E-Print Network (OSTI)

of Actinides in Solution: Thermodynamic Measurements andAn integrated approach of thermodynamic measurements andAn integrated approach of thermodynamic measurements and

Rao, L.

2007-01-01T23:59:59.000Z

271

Far-from-equilibrium measurements of thermodynamic length  

E-Print Network (OSTI)

Equilibrium Measurements of Thermodynamic Length Edward H.November 5, 2008) Thermodynamic length is a path functionlength to the surface of thermodynamic states. Here, we show

Feng, Edward H.

2008-01-01T23:59:59.000Z

272

Thermodynamics of Neptunium (V) Complexes with Phosphate at Elevated Temperatures  

E-Print Network (OSTI)

VITORGE, H. WANNER, Chemical Thermodynamics of Neptunium andData Bank, Chemical Thermodynamics 4, Elsevier, New York 4.Thermodynamics of Neptunium (V) Complexes with Phosphate at

Xia, Yuanxian

2009-01-01T23:59:59.000Z

273

Thermodynamics and Ionic Conductivity of Block Copolymer Electrolytes  

E-Print Network (OSTI)

2.3 REFERENCES Flory, P.J. , Thermodynamics of high polymerBlock Copolymer Thermodynamics - Theory And Experiment.on block copolymer thermodynamics by measuring the changes

Wanakule, Nisita Sidra

2010-01-01T23:59:59.000Z

274

Three Frontiers in the Thermodynamics of Protein Solutions  

E-Print Network (OSTI)

Three frontiers in the thermodynamics of protein solutions*the broad high- way of thermodynamics. ” ACKNOWLEDGMENTS ForThe great virtue of thermodynamics is its generality, its

Prausnitz, John M; Foose, Loddie

2007-01-01T23:59:59.000Z

275

Ocean dynamics and thermodynamics in the tropical Indo- Pacific region  

E-Print Network (OSTI)

Ocean dynamics and thermodynamics in the tropical Indo-Ocean dynamics and thermodynamics in the tropical Indo-affect the dynam- ics and thermodynamics of the upper ocean.

Drushka, Kyla

2011-01-01T23:59:59.000Z

276

Three Frontiers in the Thermodynamics of Protein Solutions  

E-Print Network (OSTI)

is the broad highway of thermodynamics. Acknowledgments: ForThree Frontiers in the Thermodynamics of Protein SolutionsThe great virtue of thermodynamics is its generality, its

Prausnitz, John; Hagar, Loddie

2008-01-01T23:59:59.000Z

277

Thermodynamics, Entropy, Information and the Efficiency of Solar Cells  

E-Print Network (OSTI)

and P.T. Landsberg, Thermodynamics and reciprocity of solar59. E. Yablonovitch, Thermodynamics of the fluorescentC. 139. E. Yablonovitch, Thermodynamics of the fluorescent

Abrams, Zeev R.

2012-01-01T23:59:59.000Z

278

Atmospheric Radiation Measurement Convective and Orographically...  

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

Induced Precipitation Study The U.S. Department of Energy's Atmospheric Radiation Measurement (ARM) Climate Research Facility is providing the ARM Mobile Facility...

279

Jefferson Lab Science Series - Investigating Earth's Atmosphere  

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

Byron Meadows - NASALangley Research Center May 14, 1991 Demonstrations of weather forecasting tools and techniques for experiments in the atmosphere and of lasers used to...

280

Thermodynamics for individual quantum systems  

E-Print Network (OSTI)

We present a framework for extending thermodynamics to individual quantum systems, including explicitly a thermal bath and work-storage device (essentially a 'weight' that can be raised or lowered). We then prove that the second law of thermodynamics holds in our framework, and give a simple protocol to extract the optimal amount of work from the system (equal to its change in free energy). Our results apply to any quantum system in an arbitrary initial state, in particular including non-equilibrium situations. The optimal protocol is essentially reversible, similar to classical Carnot cycles, and indeed, we can use it to construct a quantum Carnot engine.

Paul Skrzypczyk; Anthony J. Short; Sandu Popescu

2013-07-05T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Influence of Low-Level Thermodynamic Structure on the Downdraft Properties of Simulated Supercells  

Science Conference Proceedings (OSTI)

Idealized simulations using the Weather Research and Forecasting Model (WRF) were performed to examine the role of capping inversions on the near-surface thermodynamic structure of outflow from simulated supercells. Two simulations were performed: ...

Jason Naylor; Mark A. Askelson; Matthew S. Gilmore

2012-08-01T23:59:59.000Z

282

Atlantic Hurricanes and Climate Change. Part I: Experimental Design and Isolation of Thermodynamic Effects  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting (WRF) model is used in a downscaling experiment to simulate a portion of the Atlantic hurricane season both in present-day conditions and with modifications to include future thermodynamic changes.

Megan S. Mallard; Gary M. Lackmann; Anantha Aiyyer; Kevin Hill

2013-07-01T23:59:59.000Z

283

A non-linear irreversible thermodynamic perspective on organic pigment proliferation and biological evolution  

E-Print Network (OSTI)

The most important thermodynamic work performed by life today is the dissipation of the solar photon flux into heat through organic pigments in water. From this thermodynamic perspective, biological evolution is thus just the dispersal of organic pigments and water throughout Earth's surface, while adjusting the gases of Earth's atmosphere to allow the most intense part of the solar spectrum to penetrate the atmosphere and reach the surface to be intercepted by these pigments. The covalent bonding of atoms in organic pigments provides excited levels compatible with the energies of these photons. Internal conversion through vibrational relaxation to the ground state of these excited molecules when in water leads to rapid dissipation of the solar photons into heat, and this is the major source of entropy production on Earth. A non-linear irreversible thermodynamic analysis shows that the proliferation of organic pigments on Earth is a direct consequence of the pigments catalytic properties in dissipating the so...

Michaelian, Karo

2013-01-01T23:59:59.000Z

284

Dynamic–Thermodynamic Sea Ice Model: Ridging and Its Application to Climate Study and Navigation  

Science Conference Proceedings (OSTI)

A dynamic–thermodynamic sea ice model with the ocean mixed layer forced by atmospheric data is used to investigate spatial and long-term variability of the sea ice cover in the Arctic basin. The model satisfactorily reproduces the averaged main ...

Sergey V. Shoutilin; Alexander P. Makshtas; Motoyoshi Ikeda; Alexey V. Marchenko; Roman V. Bekryaev

2005-09-01T23:59:59.000Z

285

Sandia National Laboratories: Research: Facilities: Technology...  

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

and advanced diagnostics in the fields of thermodynamics, heat transfer, fluid mechanics, multiphase flows, aerosols, and material decomposition. Our experimental research...

286

Sandia National Laboratories: Research: Facilities: Technology...  

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

Shock Thermodynamic Applied Research Facility (STAR) The STAR facility, within Sandia's Solid Dynamic Physics Department, is one of a few institutions in the world with a major...

287

Heat Death in Ancient and Modern Thermodynamics  

Science Conference Proceedings (OSTI)

The notion of Heat Death proves to be very useful for the understanding of the behaviour and evolutionary features of various thermodynamic systems. It is closely related to the problems that motivated the birth of modern thermodynamics, but these problems ...

Gábor Kutrovátz

2001-12-01T23:59:59.000Z

288

Thermodynamics of Modified Theories of Gravity.  

E-Print Network (OSTI)

??Einstein’s equations are derived by following Jacobson’s thermodynamic method. It is seen that a family of possible field equations exist which satisfy the thermodynamic argument.… (more)

Hackebill, Aric

2010-01-01T23:59:59.000Z

289

On the Thermodynamics of Subduction  

Science Conference Proceedings (OSTI)

The thermodynamic processes attendant on the transfer of fluid between a surface mixed layer and a stratified thermocline beneath are discussed. For a parcel of fluid in the mixed layer to pass into the stratified thermocline—to subduct—it must ...

David Marshall; John Marshall

1995-01-01T23:59:59.000Z

290

Equilibrium Thermodynamics of Lattice QCD  

E-Print Network (OSTI)

Lattice QCD allows us to simulate QCD at non-zero temperature and/or densities. Such equilibrium thermodynamics calculations are relevant to the physics of relativistic heavy-ion collisions. I give a brief review of the field with emphasis on our work.

D. K. Sinclair

2007-01-14T23:59:59.000Z

291

Microscopic Models for Chemical Thermodynamics  

E-Print Network (OSTI)

We introduce an infinite particle system dynamics, which includes stochastic chemical kinetics models, the classical Kac model and free space movement. We study energy redistribution between two energy types (kinetic and chemical) in different time scales, similar to energy redistribution in the living cell. One example is considered in great detail, where the model provides main formulas of chemical thermodynamics.

Malyshev, V A

2011-01-01T23:59:59.000Z

292

Microscopic Models for Chemical Thermodynamics  

E-Print Network (OSTI)

We introduce an infinite particle system dynamics, which includes stochastic chemical kinetics models, the classical Kac model and free space movement. We study energy redistribution between two energy types (kinetic and chemical) in different time scales, similar to energy redistribution in the living cell. One example is considered in great detail, where the model provides main formulas of chemical thermodynamics.

V. A. Malyshev

2011-12-08T23:59:59.000Z

293

Determination of thermodynamic properties by experimental and ...  

Science Conference Proceedings (OSTI)

About this Abstract. Meeting, 2014 TMS Annual Meeting & Exhibition. Symposium , Hume-Rothery Award Symposium: Thermodynamics and Kinetics of ...

294

Nonequilibrium quantum statistical mechanics and thermodynamics  

E-Print Network (OSTI)

The purpose of this work is to discuss recent progress in deriving the fundamental laws of thermodynamics (0th, 1st and 2nd-law) from nonequilibrium quantum statistical mechanics. Basic thermodynamic notions are clarified and different reversible and irreversible thermodynamic processes are studied from the point of view of quantum statistical mechanics. Special emphasis is put on new adiabatic theorems for steady states close to and far from equilibrium, and on investigating cyclic thermodynamic processes using an extension of Floquet theory.

Walid K. Abou Salem

2006-01-23T23:59:59.000Z

295

Hawking Emission and Black Hole Thermodynamics  

E-Print Network (OSTI)

A brief review of Hawking radiation and black hole thermodynamics is given, based largely upon hep-th/0409024.

Don N. Page

2006-12-18T23:59:59.000Z

296

Computational Thermodynamics and Phase Transformations - TMS  

Science Conference Proceedings (OSTI)

May 1, 2007 ... Computational Thermodynamics and Phase Transformations ... Computation also provides a powerful tool for increasing basic understanding ...

297

Fundamentals: Thermodynamics, Phase Equilibria, and Kinetics  

Science Conference Proceedings (OSTI)

Mar 14, 2012 ... Development of cavity under industrial conditions has also been simulated. ... Vacuum Distillation Refining of Crude Tin - Thermodynamics ...

298

COURSE NOTES: Metallurgical Thermodynamics (MET 320)  

Science Conference Proceedings (OSTI)

Feb 10, 2007 ... Department of Materials and Metallurgical Engineering. South Dakota School of Mines & Technology. Launch Metallurgical Thermodynamics

299

Stochastic deformation of a thermodynamic symplectic structure  

E-Print Network (OSTI)

A stochastic deformation of a thermodynamic symplectic structure is studied. Gauge symmetries of thermodynamics and stochastic mechanics are revealed and gauge fields are introduced. A physical interpretation to the gauge transformations and gauge fields is given. An application of the formalism to a description of systems with distributed parameters in a local thermodynamic equilibrium is considered.

Kazinski, P O

2008-01-01T23:59:59.000Z

300

Status of the Fundamental Laws of Thermodynamics  

E-Print Network (OSTI)

We describe recent progress towards deriving the Fundamental Laws of thermodynamics (the 0th, 1st and 2nd Law) from nonequilibrium quantum statistical mechanics in simple, yet physically relevant models. Along the way, we clarify some basic thermodynamic notions and discuss various reversible and irreversible thermodynamic processes from the point of view of quantum statistical mechanics.

Walid K. Abou Salem; Juerg Froehlich

2006-04-27T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Status of the Fundamental Laws of Thermodynamics  

E-Print Network (OSTI)

We describe recent progress towards deriving the Fundamental Laws of thermodynamics (the 0 th,1 st, and 2 nd Law) from nonequilibrium quantum statistical mechanics in simple, yet physically relevant models. Along the way, we clarify some basic thermodynamic notions and discuss various reversible and irreversible thermodynamic processes from the point of view of quantum statistical mechanics. 1

Walid K. Abou Salem; Jürg Fröhlich

2006-01-01T23:59:59.000Z

302

An Open Source Thermodynamic Software and Database Structure ...  

Science Conference Proceedings (OSTI)

Abstract Scope, Calphad thermodynamic software and databases are ... Assessment of Thermodynamic Data by Physically-based Thermo-kinetic Modeling.

303

Development of a Thermodynamic Database for Mold Flux and ...  

Science Conference Proceedings (OSTI)

Abstract Scope, The recent progress of the thermodynamic database and kinetic ... experimental thermodynamic and phase diagram data found in literature.

304

Thermodynamic investigations and modeling of copper and iron ...  

Science Conference Proceedings (OSTI)

Experimentally determined thermochemical and thermodynamic data are key input data for the thermodynamic optimization. For the experimental investigations, ...

305

Space-time thermodynamics of the glass transition  

E-Print Network (OSTI)

Space-time Thermodynamics of the Glass Transition Maurobehavior in terms of a thermodynamics of trajectory space.

Merolle, Mauro; Garrahan, Juan P.; Chandler, David

2005-01-01T23:59:59.000Z

306

Duality relation between radiation thermodynamics and cosmic string loop thermodynamics  

SciTech Connect

We discuss thermodynamics of electromagnetic radiation, with p=(1/3){rho} and S{proportional_to}T{sup 3}V, and of cosmic string loops, with p=-(1/3){rho} and S{proportional_to}T{sup -3}V, where p stands for pressure, T temperature, {rho} energy density, S entropy, and V volume. We write the thermodynamic formalisms under a common framework that illustrates their formal relationship and allows us to go from one to the other through a smooth transformation. From a microscopic perspective, these relations arise from the energy relations u({lambda})=hc/{lambda} for the photons of electromagnetic radiation, and u(l)=(c{sup 4}/a{sup 2}G)l for cosmic string loops, a being a numerical (dimensionless) constant and {lambda} and l the radiation wavelength and the length of a loop; G, c, and h are the gravitational constant, the speed of light in vacuo, and the Planck constant, respectively. The corresponding thermodynamic behaviors are seen to be connected through a related thermal duality corresponding to the change of T by T*=T{sub c}{sup 2}/T, with T{sub c} a reference temperature related to h, c, and G.

Jou, D. [Departament de Fisica, Universitat Autonoma de Barcelona, 08193 Bellaterra, Catalonia (Spain); Mongiovi, M. S. [Dipartimento di Metodi e Modelli Matematici, Universita di Palermo, 90128 Palermo (Italy); Sciacca, M. [Dipartimento di Sistemi Agro-Ambientali, Universita di Palermo, 90128 Palermo (Italy)

2011-05-15T23:59:59.000Z

307

New Thermodynamic Paradigm of Chemical Equilibria  

E-Print Network (OSTI)

The paper presents new thermodynamic paradigm of chemical equilibrium, setting forth comprehensive basics of Discrete Thermodynamics of Chemical Equilibria (DTd). Along with previous results by the author during the last decade, this work contains also some new developments of DTd. Based on the Onsager's constitutive equations, reformulated by the author thermodynamic affinity and reaction extent, and Le Chatelier's principle, DTd brings forward a notion of chemical equilibrium as a balance of internal and external thermodynamic forces (TdF), acting against a chemical system. Basic expression of DTd is the chemical system logistic map of thermodynamic states that ties together energetic characteristics of chemical reaction, occurring in the system, the system shift from "true" thermodynamic equilibrium (TdE), and causing that shift external thermodynamic forces. Solutions to the basic map are pitchfork bifurcation diagrams in coordinates "shift from TdE - growth factor (or TdF)"; points, corresponding to the ...

Zilbergleyt, B

2011-01-01T23:59:59.000Z

308

Thermodynamics in Modified Gravity Theories  

E-Print Network (OSTI)

We demonstrate that there does exist an equilibrium description of thermodynamics on the apparent horizon in the expanding cosmological background for a wide class of modified gravity theories with the Lagrangian density $f(R, \\phi, X)$, where $R$ is the Ricci scalar and $X$ is the kinetic energy of a scalar field $\\phi$. This comes from a suitable definition of an energy momentum tensor of the "dark" component obeying the local energy conservation law in the Jordan frame. It is shown that the equilibrium description in terms of the horizon entropy $S$ is convenient because it takes into account the contribution of the horizon entropy $\\hat{S}$ in non-equilibrium thermodynamics as well as an entropy production term.

Kazuharu Bamba; Chao-Qiang Geng; Shinji Tsujikawa

2011-01-19T23:59:59.000Z

309

Black Hole Thermodynamics and Electromagnetism  

E-Print Network (OSTI)

We show a strong parallel between the Hawking, Beckenstein black hole Thermodynamics and electromagnetism: When the gravitational coupling constant transform into the electromagnetic coupling constant, the Schwarzchild radius, the Beckenstein temperature, the Beckenstein decay time and the Planck mass transform to respectively the Compton wavelength, the Hagedorn temperature, the Compton time and a typical elementary particle mass. The reasons underlying this parallalism are then discussed in detail.

Burra G. Sidharth

2005-07-15T23:59:59.000Z

310

A Model of Tropical Ocean-Atmosphere Interaction  

Science Conference Proceedings (OSTI)

A model is used to study ocean-atmosphere interaction in the tropics. The model ocean consists of the single baroclinic mode of a two-layer ocean. Thermodynamics in the upper layer is highly parameterized. If the interface is sufficiently shallow ...

Julian P. McCreary Jr.

1983-02-01T23:59:59.000Z

311

Thermodynamic and Radiative Impact of the Correction of Sounding Humidity Bias in the Tropics  

Science Conference Proceedings (OSTI)

Accurate measurements of atmospheric water vapor are crucial to many aspects of climate research and atmospheric science. This paper discusses some of the meteorological implications of a bias discovered in the measurement of water vapor in ...

F. Guichard; D. Parsons; E. Miller

2000-10-01T23:59:59.000Z

312

Transition and Equilibration of Neutral Atmospheric Boundary Layer Flow in One-Way Nested Large-Eddy Simulations Using the Weather Research and Forecasting Model  

Science Conference Proceedings (OSTI)

The Weather Research and Forecasting Model permits finescale large-eddy simulations (LES) to be nested within coarser simulations, an approach that can generate more accurate turbulence statistics and improve other aspects of simulated flows. ...

Jeff Mirocha; Gokhan Kirkil; Elie Bou-Zeid; Fotini Katopodes Chow; Branko Kosovi?

2013-03-01T23:59:59.000Z

313

A Cumulus Parameterization for Climate Studies of the Tropical Atmosphere. Part I: Model Formulation and Sensitivity Tests  

Science Conference Proceedings (OSTI)

A scheme for parameterizing the effects of cumulus convection for the maintenance of the thermodynamic structure of the tropical atmosphere is described. This parameterization is used in a one-dimensional model that represents the vertical ...

Bruce A. Albrecht

1983-09-01T23:59:59.000Z

314

EPIC 95°W Observations of the Eastern Pacific Atmospheric Boundary Layer from the Cold Tongue to the ITCZ  

Science Conference Proceedings (OSTI)

The atmospheric boundary layer (ABL) along 95°W in the eastern equatorial Pacific during boreal autumn is described using data from the East Pacific Investigation of Climate (EPIC) 2001, with an emphasis on the evolution of the thermodynamic ABL ...

Simon P. de Szoeke; Christopher S. Bretherton; Nicholas A. Bond; Meghan F. Cronin; Bruce M. Morley

2005-02-01T23:59:59.000Z

315

Atmospheric Release Advisory Capability  

SciTech Connect

The Atmospheric Release Advisory Capability (ARAC) project is a Department of Energy (DOE) sponsored real-time emergency response service available for use by both federal and state agencies in case of a potential or actual atmospheric release of nuclear material. The project, initiated in 1972, is currently evolving from the research and development phase to full operation. Plans are underway to expand the existing capability to continuous operation by 1984 and to establish a National ARAC Center (NARAC) by 1988. This report describes the ARAC system, its utilization during the past two years, and plans for its expansion during the next five to six years. An integral part of this expansion is due to a very important and crucial effort sponsored by the Defense Nuclear Agency to extend the ARAC service to approximately 45 Department of Defense (DOD) sites throughout the continental US over the next three years.

Dickerson, M.H.; Gudiksen, P.H.; Sullivan, T.J.

1983-02-01T23:59:59.000Z

316

Modelling Thermodynamics of Alloys for Fusion Application  

SciTech Connect

This research has two main objectives: (1) The development of computational tools to evaluate alloy properties, using the information contained in thermodynamic functions. We aim at improving the ability of classical potentials to account for complex alloy behavior, and (2) The application of these tools to predict properties of alloys under irradiation, in particular the FeCr system. This semester has been very productive in the developments of both tools and algorithms. Our work aims at developing theoretical and numerical methodologies that are directly applicable to multi-scale modeling addressing the specific issues related to multi-component, multi-phase systems in non-equilibrium states, such as solid-solution hardening, point defect-solute interactions, stoichiometry effects, static and dynamic strain aging, dislocation-solute interactions, and in general the aspects of microstructure evolution that are affected by irradiation. At its present stage of development, we have been able to predict numerous thermodynamic properties of FeCr mainly related to ordering and precipitation; we have found new intermetallic phases and suggested the existence of a dependence of the solubility limit on the degree of order of the alloy. At present, we are studying dislocation mobility in the solid solution and the heterogeneous phase, and we are developing a new algorithm to perform Monte Carlo simulations inside the miscibility gap, a technique that will allow us to study interfacial energies and nucleation sizes. We develop a strategy to model radiation damage in FeCr alloys, system in which magnetism introduces an anomaly in the heat of formation of the solid solution that is at the basis of its unique behavior. Magnetism has implications for the precipitation of excess Cr in the a phase in the presence of heterogeneities. These complexities pose many challenges for atomistic (empirical) methods. To address such issues we develop a modified, many-body potential by rigorously fitting thermodynamic properties, including free energy. Multi-million atom displacement Monte Carlo simulations in the transmutation ensemble, using both our new potential and our new MC code, are able to predict properties of non equilibrium processes like heterogeneous precipitation, and dislocation - precipitate interactions, enabling the study of hardening and embrittlement under irradiation.

Caro, A; Erhart, P; de Caro, M S; Sadigh, B; Srinivasan, S G; Stukowski, A

2009-07-29T23:59:59.000Z

317

Thermodynamic Curvature of the BTZ Black Hole  

E-Print Network (OSTI)

Some thermodynamic properties of the Bañados-Teitelboim-Zanelli (BTZ) black hole are studied to get the effective dimension of its corresponding statistical model. For this purpose, we make use of the geometrical approach to the thermodynamics: Considering the black hole as a thermodynamic system with two thermodynamic variables (the mass M and the angular momemtum J), we obtain two-dimensional Riemannian thermodynamic geometry described by positive definite Ruppeiner metric. From the thermodynamic curvature we find that the extremal limit is the critical point. The effective spatial dimension of the statistical system corresponding to the near-extremal BTZ black holes is one. Far from the extremal point, the effective dimension becomes less than one, which leads to one possible speculation on the underlying structure for the corresponding statistical model. Typeset using REVTEX

Rong-gen Cai; Jin-ho Cho

1998-01-01T23:59:59.000Z

318

Geometric description of BTZ black holes thermodynamics  

E-Print Network (OSTI)

We study the properties of the space of thermodynamic equilibrium states of the Ba\\~nados-Teitelboim-Zanelli (BTZ) black hole in (2+1)-gravity. We use the formalism of geometrothermodynamics to introduce in the space of equilibrium states a $2-$dimensional thermodynamic metric whose curvature is non-vanishing, indicating the presence of thermodynamic interaction, and free of singularities, indicating the absence of phase transitions. Similar results are obtained for generalizations of the BTZ black hole which include a Chern-Simons term and a dilatonic field. Small logarithmic corrections of the entropy turn out to be represented by small corrections of the thermodynamic curvature, reinforcing the idea that thermodynamic curvature is a measure of thermodynamic interaction.

Hernando Quevedo; Alberto Sanchez

2008-11-15T23:59:59.000Z

319

Definition: Thermodynamic cycle | Open Energy Information  

Open Energy Info (EERE)

Thermodynamic cycle Thermodynamic cycle Jump to: navigation, search Dictionary.png Thermodynamic cycle A process in which a fluid (water, air, ammonia, etc) successively changes state (from a liquid to a gas and back to a liquid) for the purpose of producing or transferring energy.[1] View on Wikipedia Wikipedia Definition A thermodynamic cycle consists of a collection of thermodynamic processes transferring heat and work, while varying pressure, temperature, and other state variables, eventually returning a system to its initial state. In the process of going through this cycle, the system may perform work on its surroundings, therefore acting as a heat engine. State quantities depend only on the thermodynamic state, and cumulative variation of such properties adds up to zero during a cycle. Process quantities (or

320

Research Highlight  

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

Downward Longwave Irradiance Uncertainty Under Arctic Atmospheres: Downward Longwave Irradiance Uncertainty Under Arctic Atmospheres: Measurements and Modeling Submitter: Marty, C., Swiss Federal Institute of Snow and Avalanche Research Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Marty, C., R. Philipona, J. Delamere, E.G. Dutton, J. Michalsky, K. Stamnes, R. Storvold, T. Stoffel, S.A. Clough, and E.J. Mlawr, Downward longwave irradiance uncertainty under arctic atmospheres: Measurements and modeling, J. Geophys. Res., 108(D12), 4358, doi:10.1029/2002JD002937, 2003. IPASRC-II instruments deployed at ARM's Barrow Station. Members of 11 international institutions converged at the Atmospheric Radiation Measurement (ARM) Program's North Slope of Alaska (NSA) site in Barrow, Alaska, to conduct the Second International Pyrgeometer and

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Research Highlight  

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

Field Experiments to Improve the Treatment of Radiation in the Mid-to-Upper Field Experiments to Improve the Treatment of Radiation in the Mid-to-Upper Troposphere Download a printable PDF Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Mlawer, E. J., Atmospheric & Environmental Research, Inc. Area of Research: Radiation Processes Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Turner DD and EJ Mlawer. 2010. "The Radiative Heating in Underexplored Bands Campaigns (RHUBC)." Bulletin of the American Meteorological Society, 91, doi:10.1175/2010BAMS2904.1. (a) Atmospheric transmittance at 1 cm-1 resolution in the far-infrared for three atmospheres that are representative of the ARM SGP site, NSA site, and RHUBC-II site in the Chajnantor plateau (CJC). (b) The transmittance

322

Research Highlight  

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

Field Campaign Resource Allocation Using Statistical Decision Analysis Field Campaign Resource Allocation Using Statistical Decision Analysis Download a printable PDF Submitter: Hanlon, C., Pennsylvania State University Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Hanlon CJ, JB Stefik, AA Small, J Verlinde, and GS Young. 2013. "Statistical decision analysis for flight decision support: The SPartICus campaign." Journal of Geophysical Research - Atmospheres, , . ACCEPTED. In many atmospheric science field campaigns, investigators are budgeted some number of flight hours to collect data under specific, imperfectly forecastable atmospheric conditions. In such field campaigns, investigators must assess atmospheric conditions each day and make a resource-allocation decision: are conditions good enough to use some of our scarce flight hours

323

Prediction of thermodynamic properties of coal derivatives  

Science Conference Proceedings (OSTI)

The purpose of this research program is to understand and model the effect of the different intermolecular forces on the thermodynamic properties of systems containing pure compounds and mixtures. The compounds under consideration vary considerably in size, shape and energy. Therefore in order to develop a theory capable of describing accurately the thermodynamic properties and phase behavior of such systems over a wide range of temperature and pressure, one has to take into account explicitly the differences in shape and size among the various compounds as well as the different type of intermolecular interactions. We have developed equations of state for pure-component chain molecules. We have shown that the excellent performance of complicated theories such as the Generalized Flory Dimer (GFD) theory can be mimicked by simpler equations, if certain assumptions for the shape parameters are made. We developed engineering correlations based on the GFD theory, using local composition theory to take into account the attractive contribution. We compared various methods for the calculation of the repulsive and attractive contributions against computer simulation data for hard and square-well chains, and experimental data from the literature. We also have studied microstructure and local order in fluids that contain asymmetric molecules. In addition, simple cubic equations of state have been applied to calculate physical and chemical-reaction equilibria in non-ideal systems. In order to obtain a better understanding of the intermolecular forces and to test some of our recent models, we have performed considerable experimental work. We used FT-IR to examine the self-association of aliphatic alcohols due to hydrogen bonding. In addition, FT-IR spectroscopy was used to investigate Lewis acid-base interactions between probe and entrainer-cosolvent molecules.

Donohue, M.D.

1992-11-01T23:59:59.000Z

324

Partially Ionized Atmospheres of Neutron Stars with Strong Magnetic Fields  

DOE Green Energy (OSTI)

We construct hydrogen atmosphere models for strongly magnetized neutron stars in thermodynamic equilibrium, taking into account partial ionization. The presence of bound states affects the equation of state, absorption coefficients, and polarizability tensor of a strongly magnetized plasma. Therefore the partial ionization influences the polarization vectors and opacities of normal electromagnetic waves, and thus the spectra of outgoing radiation. Here we review a model suitable for the most typical neutron-star atmospheres and focus on the problems that remain to be solved for its extension to other atmospheric parameters.

Potekhin, A.

2005-01-28T23:59:59.000Z

325

Thermodynamic  

Science Conference Proceedings (OSTI)

... TN. Oak Ridge Metrology Center, Oak Ridge, TN [105000- 0] Oak Ridge National Laboratory - Metrology, Oak Ridge, TN [200659- 0] Transcat ...

2013-07-19T23:59:59.000Z

326

Thermodynamics of discrete quantum processes  

E-Print Network (OSTI)

We define thermodynamic configurations and identify two primitives of discrete quantum processes between configurations for which heat and work can be defined in a natural way. This allows us to uncover a general second law for any discrete trajectory that consists of a sequence of these primitives, linking both equilibrium and non-equilibrium configurations. Moreover, in the limit of a discrete trajectory that passes through an infinite number of configurations, i.e. in the reversible limit, we recover the saturation of the second law. Finally, we show that for a discrete Carnot cycle operating between four configurations one recovers Carnot's thermal efficiency.

Janet Anders; Vittorio Giovannetti

2012-11-01T23:59:59.000Z

327

Thermodynamics of tubelike flexible polymers  

E-Print Network (OSTI)

In this work we present the general phase behavior of short tubelike flexible polymers. The geometric thickness constraint is implemented through the concept of the global radius of curvature. We use sophisticated Monte Carlo sampling methods to simulate small bead-stick polymer models with Lennard-Jones interaction among non-bonded monomers. We analyze energetic fluctuations and structural quantities to classify conformational pseudophases. We find that the tube thickness influences the thermodynamic behavior of simple tubelike polymers significantly, i.e., for given temperature, the formation of secondary structures strongly depends on the tube thickness.

Thomas Vogel; Thomas Neuhaus; Michael Bachmann; Wolfhard Janke

2009-07-17T23:59:59.000Z

328

Geothermal: Sponsored by OSTI -- Thermodynamic properties of...  

Office of Scientific and Technical Information (OSTI)

Thermodynamic properties of a geothermal working fluid; 90% isobutane-10% isopentane: Final report Geothermal Technologies Legacy Collection HelpFAQ | Site Map | Contact Us |...

329

Thermodynamic and phase relations of intermetallic anode ...  

Science Conference Proceedings (OSTI)

The experimental data obtained are necessary for thermodynamic optimizations and direct estimations of the performance of respective anode materials in an ...

330

Thermodynamic assessment of Pu-based alloys  

Science Conference Proceedings (OSTI)

Symposium, Hume-Rothery Award Symposium: Thermodynamics and Kinetics of ... Calphad Data and File Repositories for the Development of Design Tools for ...

331

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

332

CODATA Key Values for Thermodynamics - TMS  

Science Conference Proceedings (OSTI)

Feb 8, 2007 ... This site includes internationally agreed upon values for thermodynamic properties of key chemical substances established by the Committee ...

333

Phase Diagrams & Computational Thermodynamics-Solder ... - TMS  

Science Conference Proceedings (OSTI)

Feb 8, 2007 ... This webpage contains a collection of calculated binary and ternary systems that are relevant to solders. The thermodynamic descriptions of ...

334

NONEQUILIBRIUM QUANTUM STATISTICAL MECHANICS AND THERMODYNAMICS ?  

E-Print Network (OSTI)

The purpose of this work is to discuss recent progress in deriving the fundamental laws of thermodynamics (0 th, 1 st and 2 nd-law) from nonequilibrium quantum statistical mechanics. Basic thermodynamic notions are clarified and different reversible and irreversible thermodynamic processes are studied from the point of view of quantum statistical mechanics. Special emphasis is put on new adiabatic theorems for steady states close to and far from equilibrium, and on investigating cyclic thermodynamic processes using an extension of Floquet theory. This work is based on the author’s doctoral thesis, ETH-Diss 16187.

Walid K. Abou Salem

2006-01-01T23:59:59.000Z

335

Thermodynamics of Lemaitre-Tolman-Bondi Model  

E-Print Network (OSTI)

Here we consider our universe as inhomogeneous spherically symmetric Lemaitre-Tolman-Bondi Model and analyze the thermodynamics of this model of the universe. The trapping horizon is calculated and is found to coincide with the apparent horizon. The Einstein field equations are shown to be equivalent with the unified first law of thermodynamics. Finally assuming the first law of thermodynamics validity of the generalized second law of thermodynamics is examined at the apparent horizon for the perfect fluid and at the event horizon for holographic dark energy.

Subenoy Chakraborty; Nairwita Mazumder; Ritabrata Biswas

2010-06-13T23:59:59.000Z

336

Thermodynamic and Kinetic Simulation and Experimental Results ...  

Science Conference Proceedings (OSTI)

Through the use of thermodynamic and kinetic modeling software, NETL has designed a systematic method that has been successfully developed to design an ...

337

Computational Thermodynamics and Kinetics in Materials Design  

Science Conference Proceedings (OSTI)

A powerful utility in this endeavor is the use of computational thermodynamic and ... Analyses on the Effect of Hot Spot Density on Material Consumption Rate.

338

Vacuum Distillation Refining of Crude Tin - Thermodynamics ...  

Science Conference Proceedings (OSTI)

Presentation Title, Vacuum Distillation Refining of Crude Tin - Thermodynamics Analysis and Experiments on the Removal of Arsenic from the Crude Tin.

339

ARM Climate Research Facility  

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

TR-081.2 iii Abstract This report provides a short description of the Atmospheric Radiation Measurement (ARM) Climate Research Facility microwave radiometer (MWR) Retrieval...

340

Velocity Distributions from Nonextensive Thermodynamics  

E-Print Network (OSTI)

There is no accepted mechanism that explains the equilibrium structures that form in collisionless cosmological N-body simulations. Recent work has identified nonextensive thermodynamics as an innovative approach to the problem. The distribution function that results from adopting this framework has the same form as for polytropes, but the polytropic index is now related to the degree of nonextensiveness. In particular, the nonextensive approach can mimic the equilibrium structure of dark matter density profiles found in simulations. We extend the investigation of this approach to the velocity structures expected from nonextensive thermodynamics. We find that the nonextensive and simulated N-body rms-velocity distributions do not match one another. The nonextensive rms-velocity profile is either monotonically decreasing or displays little radial variation, each of which disagrees with the rms-velocity distributions seen in simulations. We conclude that the currently discussed nonextensive models require further modifications in order to corroborate dark matter halo simulations. (adapted from TeX)

Eric I. Barnes; Liliya L. R. Williams; Arif Babul; Julianne J. Dalcanton

2006-10-05T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Estimates of Meridional Atmosphere and Ocean Heat Transports  

Science Conference Proceedings (OSTI)

New estimates of the poleward energy transport based on atmospheric reanalyses from the National Centers for Environmental Prediction–National Center for Atmospheric Research (NCEP–NCAR) and the European Centre for Medium-Range Weather Forecasts ...

Kevin E. Trenberth; Julie M. Caron

2001-08-01T23:59:59.000Z

342

Variational Objective Analysis for Atmospheric Field Programs: A Model Assessment  

Science Conference Proceedings (OSTI)

The objective of this study is to examine the effectiveness of the variational objective analysis (VOA) for producing realistic diagnoses of atmospheric field program data. Simulations from the Naval Research Laboratory's Coupled Ocean/Atmosphere ...

D. E. Waliser; J. A. Ridout; S. Xie; M. Zhang

2002-12-01T23:59:59.000Z

343

COLLOQUIUM: The Alfvénic Motions of the Sun's Outer Atmosphere...  

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

8, 2013, 4:15pm to 5:30pm Colloquia MBG Auditorium COLLOQUIUM: The Alfvnic Motions of the Sun's Outer Atmosphere Scott McIntosh National Center for Atmospheric Research (NCAR)...

344

Research Highlights  

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

Highlights Highlights Form Submit a New Research Highlight Sort Highlights Submitter Title Research Area Working Group Submission Date DOE Progress Reports Notable Research Findings for 2001-2006 Biological and Environmental Research Abstracts Database Research Highlights Summaries Research Highlights Members of ARM's science team are major contributors to radiation and cloud research. ARM investigators publish about 150 refereed journal articles per year, and ARM data are used in many studies published by other scientific organizations. These documented research efforts represent tangible evidence of ARM's contribution to advances in almost all areas of atmospheric radiation and cloud research. Below is a selection of summaries highlighting recently-published ARM research. The entire collection of ARM

345

Local Thermodynamic Equilibrium at Three Levels  

E-Print Network (OSTI)

We present coordinated formulations of local thermodynamical equilibrium conditions at three levels, namely the macroscopic one of classical thermodynamics, the mesoscopic one of hydrodynamical fluctuations and the microscopic one of quantum statistical mechanics. These conditions are all expressed in terms of the hydrodynamical variables of the macroscopic picture, and the quantum statistical ones are shown to imply a local version of the zeroth law.

Geoffrey L. Sewell

2013-09-04T23:59:59.000Z

346

Loop expansion in Yang-Mills thermodynamics  

E-Print Network (OSTI)

We argue that a selfconsistent spatial coarse-graining, which involves interacting (anti)calorons of unit topological charge modulus, implies that real-time loop expansions of thermodynamical quantities in the deconfining phase of SU(2) and SU(3) Yang-Mills thermodynamics are, modulo 1PI resummations, determined by a finite number of connected bubble diagrams.

Ralf Hofmann

2006-09-05T23:59:59.000Z

347

Thermodynamic Analyses of Iron Oxides Redox Reactions  

Science Conference Proceedings (OSTI)

To clarify such confusions, the elementary thermodynamic data of various iron ... and water vapor are used to calculate the changes of thermodynamic quantities such as .... Heat Transfer Characteristic in a Slag Heat Recovery Chamber ... Numerical Simulation of Electro-magnetic Flow Control Phenomenon in a Tundish.

348

Using ARM TWP Nauru Observations to Evaluate a Simple Thermodynamic Model  

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

Using ARM TWP Nauru Observations to Evaluate a Simple Thermodynamic Model Using ARM TWP Nauru Observations to Evaluate a Simple Thermodynamic Model of the Subcloud Layer Under Fair-Weather Cumulus Conditions Albrecht, Bruce University of Miami Kollias, Pavlos Brookhaven National Laboratory Category: Modeling Marine boundary layer clouds are fundamental in regulating the vertical structure of water vapor and entropy in the lowest 2 km of the Earth's atmosphere. The observations from the ARM TWP-Nauru site provide a unique opportunity to study these clouds and the associated boundary layer structure. In this study an atmospheric mixed layer representation of the subcloud layer for application in fair-weather cumulus regimes is used to develop a diagnostic model of the near surface temperature and moisture associated with a given surface temperature and wind speed. This model

349

THERMODYNAMIC DATA FOR FLUE-GAS DESULFURIZATION PROCESSES  

E-Print Network (OSTI)

N.T. Ioffe, et. al. Thermodynamic Constants of Materials,Heats and Related Thermodynamic Quan- ti ties , John W i 1 eN.P.L. Computer Analysed Thermodynamic Data: Organic and

Brewer, Leo

2013-01-01T23:59:59.000Z

350

THERMODYNAMICS OF SOLID AND LIQUID GROUP III-V ALLOYS  

E-Print Network (OSTI)

Selected Values of the Thermodynamic Properties of theSelected Values of the Thermodynamic Properties of theR. Pong, M.S. Thesis, "Thermodynamic Studies of Ga-In, Ga-Sb

Anderson, T.J.

2011-01-01T23:59:59.000Z

351

Symmetry, Optical Properties and Thermodynamics of Neptunium(V) Complexes  

E-Print Network (OSTI)

Rao, L. ; Teat, S.J. Thermodynamics, Optical properties andJensen, M.P. ; Nash, K.L. Thermodynamics of dioxoneptunium(Optical Properties and Thermodynamics of Neptunium(V)

Rao, Linfeng

2011-01-01T23:59:59.000Z

352

THERMODYNAMIC DATA FOR FLUE-GAS DESULFURIZATION PROCESSES  

E-Print Network (OSTI)

De Carvalho, J. Chern. Thermodynamics D. Detry, J. Drowart,Vanderzee, J. Chern. Thermodynamics ! Q,lll3-36 (1978). (43)L.G. Hepler, J. Chern. Thermodynamics~~ (45) J.E. Desnoyers,

Brewer, Leo

2013-01-01T23:59:59.000Z

353

THERMODYNAMICS OF SOLID AND LIQUID GROUP III-V ALLOYS  

E-Print Network (OSTI)

D.A. Stevenson, J. Chern. Thermodynamics, J.V. Smith, D.J.P. Bros, J. Chern. Thermodynamics, z, R. Hultgren, P.D.J.M. Prausnitz, Molecular Thermodynamics of Fluid-Phase

Anderson, T.J.

2011-01-01T23:59:59.000Z

354

Fluctuations of intensive quantities in statistical thermodynamics  

E-Print Network (OSTI)

In phenomenological thermodynamics, the canonical coordinates of a physical system split in pairs with each pair consisting of an extensive quantity and an intensive one. In the present paper, the quasi-thermodynamic fluctuation theory of a model system of a large number of oscillators is extended to statistical thermodynamics based on the idea to perceive the fluctuations of intensive variables as the fluctuations of specific extensive ones in a "thermodynamically dual" system. The extension is motivated by the symmetry of the problem in the context of an analogy with quantum mechanics which is stated in terms of a generalized Pauli problem for the thermodynamic fluctuations. The doubled Boltzmann constant divided by the number of particles plays a similar role to the Planck constant.

Artur E. Ruuge

2013-09-17T23:59:59.000Z

355

Research Highlight  

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

Lord of the Wings: Elevated Particles a Rising Star Lord of the Wings: Elevated Particles a Rising Star Download a printable PDF Submitter: Kassianov, E., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Aerosol Life Cycle Journal Reference: Kassianov E, C Flynn, J Redemann, B Schmid, PB Russell, and A Sinyuk. 2012. "Initial assessment of the Spectrometer for Sky-Scanning, Sun-Tracking Atmospheric Research (4STAR)-based aerosol retrieval: Sensitivity study." Atmosphere, 3, doi:10.3390/atmos3040495. The 4STAR instrument. The 4STAR instrument (inset) is installed through the upper hull of the PNNL G-1 research aircraft, for in-flight sun-tracking and sky light-scanning. Researchers at Pacific Northwest National Laboratory, in collaboration with colleagues at NASA Ames Research Center, developed a next-generation

356

ARM - PI Product - Atmospheric State, Cloud Microphysics & Radiative Flux  

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

ProductsAtmospheric State, Cloud Microphysics & ProductsAtmospheric State, Cloud Microphysics & Radiative Flux Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send PI Product : Atmospheric State, Cloud Microphysics & Radiative Flux 1997.01.01 - 2010.12.31 Site(s) NSA SGP TWP General Description This data product contains atmospheric thermodynamics, cloud properties, radiative fluxes and radiative heating rates. The data represent a characterization of the physical state of the atmospheric column compiled on a five-minute temporal and 90m vertical grid. Sources for this information include raw measurements, cloud property and radiative retrievals, retrievals and derived variables from other third-party sources, and radiative calculations using the derived quantities.

357

Thermodynamic Analysis for Energy Conservation  

E-Print Network (OSTI)

This paper describes a methodology for performing a thermodynamic analysis of a process, and it demonstrates how such a study can be useful in identifying areas in the process with the greatest potential for improvement in energy use. The basis is a typical modern ethane cracker. The processing sequence was divided into subsections and the 'lost work' of each section quantified. Combustion and radiant heat transfer in the furnaces and boilers alone result in the loss of 50% of the availability that enters the plant. Based on these data, some suggestions for significant process improvement are analyzed. For situations where entropy calculations are impractical, a generalized check list is presented which identifies areas of potential economic impact for the process developer/designer, as a partial substitute for the full analysis.

Kenney, W. F.

1981-01-01T23:59:59.000Z

358

Thermodynamic Modeling of Hanford Waste Tank 241-AN-107  

Science Conference Proceedings (OSTI)

The high level waste storage double-shell tanks at the Hanford site are highly basic. The high basicity is a key factor in controlling the chemical behavior of different components of the waste and in influencing the corrosion rate of the carbon steel primary tanks. However, the introduction of atmospheric CO2 can act to reduce the pH of the tank wastes over time and possibly alter the corrosion rate of the carbon steel tanks. In order to at least partially address this issue for waste tank 241-AN-107, thermodynamic modeling calculations were performed to predict the changes in pH and carbonate concentration that could occur as CO2 is absorbed from the atmosphere. The calculations extended to complete equilibrium with the partial pressure of CO2 in the atmosphere (i.e. pCO2 = 10-3.5 atm). Simulations were performed for both the “upper” segments of tank 241-AN-107, which have been influenced by the introduction of high concentrations of NaOH to the supernatant, and for the “lower” segments where the salt cake/interstitial liquid have not been substantially altered by the introduction of base concentration.

Felmy, Andrew R.

2005-09-07T23:59:59.000Z

359

First-Principles Calculations and Thermodynamic Modeling of the ...  

Science Conference Proceedings (OSTI)

Abstract Scope, The thermodynamic property of the B-C binary system is ... to limit experimental data from the literature, the finite temperature thermodynamic ...

360

The Thermodynamics of Gaseous, Cuprous Chloride Monomer and Trimer  

E-Print Network (OSTI)

No.W-7405-eng~48B TIiE THERMODYNAMICS OF GASEOUS" CUPROUSCu(s) + HCl::= I Thermodynamics of Vaporization to Monomeric

Brewer, Leo

2010-01-01T23:59:59.000Z

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


361

Research Highlight  

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

Spectrally Invariant Approximation Within Atmospheric Radiative Transfer Spectrally Invariant Approximation Within Atmospheric Radiative Transfer Download a printable PDF Submitter: Marshak, A., NASA - Goddard Space Flight Center Area of Research: Radiation Processes Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Marshak A, Y Knyazikhin, JC Chiu, and WJ Wiscombe. 2011. "Spectrally-invariant approximation within atmospheric radiative transfer." Journal of the Atmospheric Sciences, 68(12), doi:10.1175/JAS-D-11-060.1. Ratio of reflectance Rλ plus transmittance Tλ over single scattering albedo ω0λ plotted against the sum Rλ+Tλ for two cloud optical depths: 5 and 10. The aerosol optical depth at 0.55 μm is 0.2 (rural type of aerosol). Different dots correspond to different wavelengths from 0.4 to

362

Research Highlight  

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

Island-Induced Cloud Plumes Influence Tropical Atmospheric Measurements, Island-Induced Cloud Plumes Influence Tropical Atmospheric Measurements, Surface Radiation Submitter: McFarlane, S. A., U.S. Department of Energy Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: McFarlane, S.A., Long, C.N., and Flynn, D., Nauru Island Effect Study, Fourteenth ARM Science Team Meeting, March 22 to 26, 2004, Albuquerque, New Mexico. Nauru Island, about 1,200 miles northeast of Papua New Guinea in the western South Pacific, is one of three instrumented island sites that comprise ARM's Tropical Western Pacific locale. A key objective of the U.S. Department of Energy's Atmospheric Radiation Measurement (ARM) Program is to identify interactions between the processes that determine the radiative properties of an atmospheric column, including

363

Regional Climate Research  

Science Conference Proceedings (OSTI)

The Workshop on Regional Climate Research: Needs and Opportunities was held 2–4 April 2001 at the National Center for Atmospheric Research, Boulder, Colorado. The workshop was cosponsored by the National Science Foundation and the Department of ...

L. Ruby Leung; Linda O. Mearns; Filippo Giorgi; Robert L. Wilby

2003-01-01T23:59:59.000Z

364

Prediction of thermodynamic properties of coal derivatives  

Science Conference Proceedings (OSTI)

The purpose of this research program is to understand the relationship between macroscopic thermodynamic properties and the various types of intermolecular forces. Since coal-derived liquids contain a wide variety of compounds, a theory capable of successfully predicting the thermophysical properties for coal processes must take into account the molecular shapes and all significant intermolecular forces: dispersion forces, anisotropic forces due to dipoles and quadrupoles, as well as Lewis acid-base interactions. We have developed the Acid-Base-Perturbed-Anisotropic-Chain Theory (ABPACT), a comprehensive theory that is capable of predicting the thermophysical properties for many systems where these different intermolecular forces are present. The ABPACT can treat non-polar compounds, polar compounds and compounds that associate through Lewis acid-base interactions. In addition to our theoretical work, we have used computer simulations to evaluate (and in some cases correct) the assumptions made in this theory. We also have conducted experiments to help us better understand the interplay of different kinds of interactions in multicomponent mixtures.

Donohue, M.D.

1990-09-01T23:59:59.000Z

365

Thermodynamics, Optical Properties and Coordination Modes of Np(V) with Dipicolinic Acid  

E-Print Network (OSTI)

Thermodynamics, Optical Properties and Coordination Modes ofacid, complexation, thermodynamics, coordination mode 1.

Tian, Guoxin

2010-01-01T23:59:59.000Z

366

Assimilating Coherent Doppler Lidar Measurements into a Model of the Atmospheric Boundary Layer. Part I: Algorithm Development and Sensitivity to Measurement Error  

Science Conference Proceedings (OSTI)

A four-dimensional variational data assimilation (4DVAR) algorithm for retrieval of spatially and temporally resolved velocity and thermodynamic fields within the atmospheric boundary layer (ABL) is described and applied to a coherent Doppler ...

Rob K. Newsom; Robert M. Banta

2004-09-01T23:59:59.000Z

367

Research Highlight  

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

Desert Dust Determines Aerial Spread of Thunderstorm Clouds Desert Dust Determines Aerial Spread of Thunderstorm Clouds Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Zeng X, W Tao, SW Powell, RA Houze, P Ciesielski, N Guy, H Pierce, and T Matsui. 2013. "A comparison of the water budgets between clouds from AMMA and TWP-ICE." Journal of the Atmospheric Sciences, 70(2), doi:10.1175/JAS-D-12-050.1. The sun, seen through a dusty atmosphere, sets at Niamey, the capital of Niger, which is located in the African Sahara. Anvil clouds that accompany thunderstorms. Contrasts often provide unique perspectives, and scientists seize any such opportunity-when it arises. In a new research paper, published in the Journal of Atmospheric Sciences,

368

Research Highlight  

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

Weather and Atmospheric Overview During Study of Natural and Urban Weather and Atmospheric Overview During Study of Natural and Urban Emissions (CARES) Download a printable PDF Submitter: Fast, J. ., Pacific Northwest National Laboratory Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Fast JD, WI Gustafson, LK Berg, WJ Shaw, M Pekour, M Shrivastava, JC Barnard, RA Ferrare, CA Hostetler, JA Hair, M Erickson, BT Jobson, B Flowers, MK Dubey, S Springston, RB Pierce, L Dolislager, J Pederson, and RA Zaveri. 2012. "Transport and mixing patterns over central California during the Carbonaceous Aerosol and Radiative Effects Study (CARES)." Atmospheric Chemistry and Physics, 12, 1759-1783. Aircraft sampling flight patterns are shown over central California in this aerial overlay. Researchers collected and analyzed measurements from

369

Research Highlight  

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

Global Dimming and Brightening: an Update Beyond 2000 Global Dimming and Brightening: an Update Beyond 2000 Download a printable PDF Submitter: Long, C. N., Pacific Northwest National Laboratory Wild, M., Institute for Atmospheric and Climate Science - ETH Zurich Truessel, B., Institute for Atmospheric and Climate Science - ETH Zurich Ohmura, A., Swiss Federal Institute of Technology Koenig-Langlo, G., Alfred Wegener Institute Dutton, E. G., NOAA/OAR/ESRL Tsvetkov, A. V., World Radiation Data Centre Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Wild M, B Trüssel, A Ohmura, CN Long, G König-Langlo, EG Dutton, and A Tsvetkov. 2009. "Global dimming and brightening: An update beyond 2000." Journal of Geophysical Research - Atmospheres, 114, D00D13, 10.1029/2008JD011382.

370

Research Highlight  

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

A Downwelling Infrared Radiance Climatology for the ARM Southern Great A Downwelling Infrared Radiance Climatology for the ARM Southern Great Plains Site Download a printable PDF Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Gero, J., University of Wisconsin Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Turner DD and PJ Gero. 2011. "Downwelling infrared radiance temperature climatology for the Atmospheric Radiation Measurement Southern Great Plains site." Journal of Geophysical Research - Atmospheres, 116, D08212, doi:10.1029/2010JD015135. The distribution of downwelling 10-micron infrared radiance observed at the SGP site by the AERI from June 1996 to May 2010, separated into all-sky (all samples) and the three distinct sky classifications.

371

Thermodynamics and Transport Phenomena in High Temperature Steam Electrolysis Cells  

DOE Green Energy (OSTI)

Hydrogen can be produced from water splitting with relatively high efficiency using high temperature electrolysis. This technology makes use of solid-oxide cells, running in the electrolysis mode to produce hydrogen from steam, while consuming electricity and high temperature process heat. The overall thermal-to-hydrogen efficiency for high temperature electrolysis can be as high as 50%, which is about double the overall efficiency of conventional low-temperature electrolysis. Current large-scale hydrogen production is based almost exclusively on steam reforming of methane, a method that consumes a precious fossil fuel while emitting carbon dioxide to the atmosphere. An overview of high temperature electrolysis technology will be presented, including basic thermodynamics, experimental methods, heat and mass transfer phenomena, and computational fluid dynamics modeling.

James E. O'Brien

2012-03-01T23:59:59.000Z

372

Atmospheric CO2 Record from Continuous Measurements at Jubany...  

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

PNRA (National Research Program in Antarctica) began continuous atmospheric carbon dioxide measurements at Jubany in 1994. The laboratory at Jubany Station is operated...

373

Thermodynamic and cost optimization using program GEOTHM  

SciTech Connect

Some of the features of the computer program GEOTHM are shown. This program designs and optimizes thermodynamic process cycles. Several examples of geothermal cycle optimization are given. Three dimensional plots generated by the computer show how the optimization process works.

Green, M.A.; Pines, H.A.; Pope, W.L.; Williams, J.D.

1977-04-01T23:59:59.000Z

374

Thermodynamic Aspects of Tropical Cyclone Formation  

Science Conference Proceedings (OSTI)

The thermodynamic aspects of tropical cyclone (TC) formation near the center of the wave pouch, a region of approximately closed Lagrangian circulation within the wave critical layer, are examined through diagnoses of a high-resolution numerical ...

Zhuo Wang

2012-08-01T23:59:59.000Z

375

The Solvent Mediated Thermodynamics of Cellulose Deconstruction  

E-Print Network (OSTI)

4.2 Methods Following reference 14, dissolution of aby the 2PT method, , and the total dissolution entropy withDissolution Entropy The two-phase thermodynamic (2PT) method

Gross, Adam S

2012-01-01T23:59:59.000Z

376

Thermodynamic Optimization of Lithia-Alumina  

SciTech Connect

The optimization of thermodynamic parameters in the Li2O-Al2O3 system using available thermodynamic and assessed phase diagram data is discussed. A procedure for obtaining a suitable associate species solution model for the liquid in this system is presented. It is shown that if the eutectic near the pure alumina composition is ignored during the optimization, the optimized thermodynamic parameters in this system result in a phase diagram that is in reasonable agreement with the experimental one. Optimized thermodynamic parameters for the associate species in the associate species liquid model and the solids in this system are provided. An optimized associate-regular solution model with a reduced number of associates in the liquid is also provided as a comparison.

Kulkarni, Nagraj S [ORNL; Besmann, Theodore M [ORNL; Spear, K. E. [Casitacalc

2008-01-01T23:59:59.000Z

377

Cloud Thermodynamic Models in Saturation Point Coordinates  

Science Conference Proceedings (OSTI)

One-dimensional thermodynamic models for cloud-environment mixing, evaporation into downdrafts and precipitation from updrafts are presented in a parallel treatment using convective pressure scales and saturation point coordinates. This common ...

Alan K. Betts

1982-10-01T23:59:59.000Z

378

Equations of Motion Using Thermodynamic Coordinates  

Science Conference Proceedings (OSTI)

The forms of the primitive equations of motion and continuity are obtained when an arbitrary thermodynamic state variable=mrestricted only to be vertically monotonic=mis used as the vertical coordinate. Natural generalizations of the Montgomery ...

Roland A. de Szoeke

2000-11-01T23:59:59.000Z

379

Thermodynamics of Eastern Mediterranean Rainfall Variability  

Science Conference Proceedings (OSTI)

This note focuses on thermodynamic changes caused by Eastern Mediterranean (EM) subsidence anomalies. Subsidence anomalies are shown to modulate EM-wide stability with respect to moist ascent. Additionally, convective available potential energy (...

Gidon Eshel; Brian F. Farrell

2001-01-01T23:59:59.000Z

380

Linear Thermodynamics of Rodlike DNA Filtration  

E-Print Network (OSTI)

Linear thermodynamics transportation theory is employed to study filtration of rodlike DNA molecules. Using the repeated nanoarray consisting of alternate deep and shallow regions, it is demonstrated that the complex ...

Li, Zirui

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

QCD Thermodynamics on the Lattice: Recent Results  

E-Print Network (OSTI)

I give a brief introduction to the goals, challenges, and technical difficulties of lattice QCD thermodynamics and present some recent results from the HotQCD collaboration for the crossover temperature, equation of state, and other observables.

Carleton DeTar

2010-12-31T23:59:59.000Z

382

Radiation and the Irreversible Thermodynamics of Climate  

Science Conference Proceedings (OSTI)

Attempts to link the theory of irreversible thermodynamics to the study of climate have utilized an entity which has been identified as the entropy production rate. However, this entity does not properly account for irreversibility due to the ...

Christopher Essex

1984-06-01T23:59:59.000Z

383

Thermodynamic Properties of Acetic Acid + Hydrocarbons ...  

Science Conference Proceedings (OSTI)

Thermodynamic Properties of Acetic Acid + Hydrocarbons Mixtures L. Negadi1,C,S, N. Ainous2, A. Negadi1, I. Mokbel2, A. Kaci3 and J. Jose2 ...

2006-07-20T23:59:59.000Z

384

First Principles Contributions to the Thermodynamic Assessment...  

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

temperature. Finite T Thermodynamic Predictions The total Gibbs free energy of a stoichiometric compound is determined as: (0 K) calculation. The E vib (T) and S vib (T) are...

385

Friedmann Thermodynamics and the Geometry of the Universe  

E-Print Network (OSTI)

In a recent article we have introduced Friedmann thermodynamics, where certain geometric parameters in Friedmann models are treated like their thermodynamic counterparts (temperature, entropy, Gibbs potential etc.). This model has the advantage of allowing us to determine the geometry of the universe by thermodynamic stability arguments. In this article we review connections between thermodynamics, geometry and cosmology.

Bayin, Selcuk S

2008-01-01T23:59:59.000Z

386

Friedmann Thermodynamics and the Geometry of the Universe  

E-Print Network (OSTI)

In a recent article we have introduced Friedmann thermodynamics, where certain geometric parameters in Friedmann models are treated like their thermodynamic counterparts (temperature, entropy, Gibbs potential etc.). This model has the advantage of allowing us to determine the geometry of the universe by thermodynamic stability arguments. In this article we review connections between thermodynamics, geometry and cosmology.

Selcuk S. Bayin

2008-04-01T23:59:59.000Z

387

Thermodynamic restrictions on mechanosynthesis of strontium titanate  

SciTech Connect

Chemical potential phase stability diagrams were calculated from relevant thermodynamic properties and used to predict the thermodynamic driving force under prospective conditions of room temperature mechanosynthesis. One analysed the dependence of chemical potential diagrams on temperature and partial pressure of evolving gases such as oxygen or carbon dioxide, as expected on using strontium peroxide or strontium carbonate as precursor reactants for the alkali earth component. Thermodynamic calculations were also obtained for changes in titania precursor reactants, including thermodynamic predictions for reactivity of strontium carbonate with amorphous titania. Experimental evidence showed that strontium titanate can be obtained by mechanosynthesis of strontium carbonate+anatase mixtures, due to previous amorphization under high energy milling. Ability to perform mechanosynthesis with less energetic milling depends on the suitable choice of alternative precursor reactants, which meet the thermodynamic requirements without previous amorphization; this was demonstrated by mechanosynthesis from anatase+strontium peroxide mixtures. - Graphical abstract: X-Ray diffractograms of the starting TiO{sub 2} (anatase)+SrCO{sub 3} mixture and after mechanical activation at 650 rpm, for 1, 2, and 7 h. Different symbols are used to identify reflections ascribed to anatase (diamonds), SrCO{sub 3} (squares) and SrTiO{sub 3} (triangles). Highlights: Black-Right-Pointing-Pointer Prediction of thermodynamic driving force for room temperature mechanosynthesis. Black-Right-Pointing-Pointer Dependence of chemical potential diagrams on temperature and partial pressure. Black-Right-Pointing-Pointer Thermodynamic calculations for changes in titania precursor. Black-Right-Pointing-Pointer Experimental support for thermodynamic predictions.

Monteiro, J.F. [Department of Ceramics and Glass Engineering, CICECO, University of Aveiro, 3810-193 Aveiro (Portugal); Ferreira, A.A.L. [Instituto Politecnico de Viana do Castelo, 4900-347 Viana do Castelo (Portugal); Antunes, I. [Department of Ceramics and Glass Engineering, CICECO, University of Aveiro, 3810-193 Aveiro (Portugal); Fagg, D.P., E-mail: duncan@ua.pt [Centro de Tecnologia Mecanica e Automacao, Departamento de Engenharia Mecanica, Universidade de Aveiro, 3810-193 Aveiro (Portugal); Frade, J.R. [Department of Ceramics and Glass Engineering, CICECO, University of Aveiro, 3810-193 Aveiro (Portugal)

2012-01-15T23:59:59.000Z

388

Thermodynamics of (2+1)-flavor QCD  

E-Print Network (OSTI)

We report on the status of our QCD thermodynamics project. It is performed on the QCDOC machine at Brookhaven National Laboratory and the APEnext machine at Bielefeld University. Using a 2+1 flavor formulation of QCD at almost realistic quark masses we calculated several thermodynamical quantities. In this proceeding we show the susceptibilites of the chiral condensate and the Polyakov loop, the static quark potential and the spatial string tension.

C. Schmidt; T. Umeda

2006-09-21T23:59:59.000Z

389

Thermodynamic potential for compactified bosonic strings  

E-Print Network (OSTI)

We discuss the inclusion of chemical potentials of the Kaluza-Klein charges in the partition function of the bosonic string with a compactified dimension on a circle. The construction of the thermodynamic potential is achieved by the path integral method at one-loop level. Duality symmetry in the dependence on compactification scale is examined. A modular-invariant expression for the thermodynamic potential is also presented.

Kiyoshi Shiraishi

2013-08-06T23:59:59.000Z

390

Thermodynamics of space quanta models quantum gravity  

E-Print Network (OSTI)

Canonically quantized 3+1 general relativity with the global one dimensionality (1D) conjecture defines the model, which dimensionally reduced and secondary quantized yields the 1D quantum field theory wherein generic one-point correlations create physical scales. This simple quantum gravity model, however, can be developed in a wider sense. In this paper we propose to consider ab initio thermodynamics of space quanta as the quantum gravity phenomenology. The thermodynamics is constructed in the entropic formalism.

L. A. Glinka

2009-06-20T23:59:59.000Z

391

THERMODYNAMICS OF (2+1)-FLAVOR QCD.  

SciTech Connect

We report on the status of our QCD thermodynamics project. It is performed on the QCDOC machine at Brookhaven National Laboratory and the APEnext machine at Bielefeld University. Using a 2 + 1 flavor formulation of QCD at almost realistic quark masses we calculated several thermodynamical quantities. In this proceeding we show the susceptibilities of the chiral condensate and the Polyakov loop, the static quark potential and the spatial string tension.

SCHMIDT, C.; UMEDA, T.

2006-10-10T23:59:59.000Z

392

Biological & Environmental Research Abstracts Database  

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

ABBREVIATION DESCRIPTION ABBREVIATION DESCRIPTION AAVP ARM Aerial Vehicles Program ACP Atmospheric Chemistry Program ACP - CE ACP - Capital Equipment AmeriFlux AmeriFlux ARM Atmospheric Radiation Measurement (ARM) ARM - CE ARM - Capital Equipment ARM – Facility Atmospheric Radiation Measurement Climate Research Facility ARM – Facility- CCRI Atmospheric Radiation Measurement Climate Research Facility (Climate Change Research Initiative) ARM - Science Atmospheric Radiation Measurement Science Program ARM-CCRI ARM-CCRI ARM-Infrastr Atmospheric Radiation Measurement-Infrastructure Artificial Retina ASP Atmospheric Science Program

393

A Characterization of Tropical Transient Activity in the CAM3 Atmospheric Hydrologic Cycle  

Science Conference Proceedings (OSTI)

The Community Atmosphere Model version 3 (CAM3) is the latest generation of a long lineage of general circulation models produced by a collaboration between the National Center for Atmospheric Research (NCAR) and the scientific research ...

Philip J. Rasch; Mark J. Stevens; Lucrezia Ricciardulli; Aiguo Dai; Andrew Negri; Robert Wood; Byron A. Boville; Brian Eaton; James J. Hack

2006-06-01T23:59:59.000Z

394

Fifteenth combustion research conference  

Science Conference Proceedings (OSTI)

The BES research efforts cover chemical reaction theory, experimental dynamics and spectroscopy, thermodynamics of combustion intermediates, chemical kinetics, reaction mechanisms, combustion diagnostics, and fluid dynamics and chemically reacting flows. 98 papers and abstracts are included. Separate abstracts were prepared for the papers.

NONE

1993-06-01T23:59:59.000Z

395

Complementary role of the pressure in the black hole thermodynamics  

E-Print Network (OSTI)

In black hole thermodynamics of certain models, the thermodynamic first law may contain the pressure term. The corresponding entropy follows the area law whereas the thermodynamic energy is not the same with the black hole mass. If the pressure can be decomposed into two parts and recombined with the original thermodynamic quantities, then the thermodynamic energy becomes the black hole mass and the entropy satisfying the area law turns out to be the corrected entropy called the Wald entropy, respectively.

Son, Edwin J

2013-01-01T23:59:59.000Z

396

ATMO 642 Remote Sensing of the Atmosphere Jan. 17, 2012 ATMO 642: Remote Sensing of the Atmosphere  

E-Print Network (OSTI)

ATMO 642 Remote Sensing of the Atmosphere Jan. 17, 2012 ATMO 642: Remote Sensing of the Atmosphere. 15 % Exam 1 15 % Exam 2 15 % Exam 3 30 % Homework/In class exercises 25 % Project #12;ATMO 642 Remote Sensing of the Atmosphere Jan. 17, 2012 Project: We are going to have a semester long research project

Peterson, Blake R.

397

Nuclear chiral dynamics and thermodynamics  

E-Print Network (OSTI)

This presentation reviews an approach to nuclear many-body systems based on the spontaneously broken chiral symmetry of low-energy QCD. In the low-energy limit, for energies and momenta small compared to a characteristic symmetry breaking scale of order 1 GeV, QCD is realized as an effective field theory of Goldstone bosons (pions) coupled to heavy fermionic sources (nucleons). Nuclear forces at long and intermediate distance scales result from a systematic hierarchy of one- and two-pion exchange processes in combination with Pauli blocking effects in the nuclear medium. Short distance dynamics, not resolved at the wavelengths corresponding to typical nuclear Fermi momenta, are introduced as contact interactions between nucleons. Apart from a set of low-energy constants associated with these contact terms, the parameters of this theory are entirely determined by pion properties and low-energy pion-nucleon scattering observables. This framework (in-medium chiral perturbation theory) can provide a realistic description of both isospin-symmetric nuclear matter and neutron matter. The importance of three-body forces is emphasized, and the role of explicit Delta(1232)-isobar degrees of freedom is investigated in detail. Nuclear chiral thermodynamics is developed and a calculation of the nuclear phase diagram is performed. This includes a successful description of the first-order phase transition from a nuclear Fermi liquid to an interacting Fermi gas and the coexistence of these phases below a critical temperature T_c. Density functional methods for finite nuclei based on this approach are also discussed. Effective interactions, their density dependence and connections to Landau Fermi liquid theory are outlined. Finally, the density and temperature dependence of the chiral (quark) condensate is investigated.

J. W. Holt; N. Kaiser; W. Weise

2013-04-23T23:59:59.000Z

398

ORISE Climate and Atmospheric Research: Contact Us  

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

Contact Us Dr. Bruce Baker Director, NOAAARLATDD Work: 865.576.1233 Bruce.Baker@noaa.gov Location: 456 South Illinois Ave. P.O. Box 2456 Oak Ridge, TN 37831-2456...

399

Research Highlight  

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

ARM Measurements Help to Evaluate Radiation Codes Used in Global Modeling ARM Measurements Help to Evaluate Radiation Codes Used in Global Modeling Download a printable PDF Submitter: Oreopoulos, L., NASA Mlawer, E. J., Atmospheric & Environmental Research, Inc. Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Oreopoulos L, E Mlawer, J Delamere, T Shippert, J Cole, B Fomin, M Iacono, Z Jin, J Li, J Manners, P Raisanen, F Rose, Y Zhang, MJ Wilson, and WB Rossow. 2012. "The Continual Intercomparison of Radiation Codes: results from Phase I." Journal of Geophysical Research - Atmospheres, 117, doi:10.1029/2011JD016821. The total error of each participating radiation code for all LW (left) and SW (right) cases in the CIRC intercomparison. The identity of each participating code can be found in the paper; codes built due to ARM

400

Research Highlight  

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

Modified Climate Model Better Replicates Global Rainfall Modified Climate Model Better Replicates Global Rainfall Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Song X, GJ Zhang, and JF Li. 2012. "Evaluation of microphysics parameterization for convective clouds in the NCAR Community Atmosphere Model CAM5." Journal of Climate, 25(24), doi:10.1175/JCLI-D-11-00563.1. Rainfall in the tropics. By improving an existing, sophisticated, global climate model, scientists can now simulate cloud and rainfall more accurately. Supported by the U.S. Department of Energy's Atmospheric System Research program, a research team from the Scripps Institution of Oceanography and

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Research Highlight  

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

Improving Water Vapor Continuum Absorption and Its Impact on a GCM Improving Water Vapor Continuum Absorption and Its Impact on a GCM Simulation Download a printable PDF Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Mlawer, E. J., Atmospheric & Environmental Research, Inc. Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Turner DD, A Merrelli, D Vimont, and EJ Mlawer. 2012. "Impact of modifying the longwave water vapor continuum absorption model on community Earth system model simulations." Journal of Geophysical Research, 117, D04106, doi:10.1029/2011JD016440. The mean difference profiles (experiment minus control) for clear-sky longwave radiative heating (QRLC); shortwave clear-sky radiative heating (QRSC); the longwave cloud radiative forcing (QRLCF); the precipitation

402

Research Highlight  

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

ARM Program Research Improves Longwave Radiative Transfer Models ARM Program Research Improves Longwave Radiative Transfer Models Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Radiative Processes Journal Reference: The QME AERI LBLRTM: A closure experiment for downwelling high spectral resolution infrared radiance. D.D. Turner, D.C. Tobin, S.A. Clough, P.D. Brown, R.G. Ellingson, E.J. Mlawer, R.O. Knuteson, H.E. Revercomb, T.R. Shippert, and W.L. Smith. 2004. Journal of Atmospheric Science, 61, 2657-2675. Top panels: Examples of downwelling infrared radiance observed by the AERI for two different clear sky cases with different amounts of water vapor. Bottom panels: Differences between the AERI observations and calculations

403

Atmospheric Radiation Measurement Program  

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

Atmospheric Observatory (UAO) Pilot Experiment at NYC" - Michael Reynolds, BNL 17:30 "EML Pilot Studies for the Urban Atmospheric Observatory" - Hsi-Na (Sam) Lee, EML 17:40 "A...

404

Graphite Oxidation Thermodynamics/Reactions  

Science Conference Proceedings (OSTI)

The vulnerability of graphite-matrix spent nuclear fuel to oxidation by the ambient atmosphere if the fuel canister is breached was evaluated. Thermochemical and kinetic data over the anticipated range of storage temperatures (200 to 400 C) were used to calculate the times required for a total carbon mass loss of 1 mgcm-2 from a fuel specimen. At 200 C, the time required to produce even this small loss is large, 900,000 yr. However, at 400 C the time required is only 1.9 yr. The rate of oxidation at 200 C is negligible, and the rate even at 400 C is so small as to be of no practical consequence. Therefore, oxidation of the spent nuclear fuel upon a loss of canister integrity is not anticipated to be a concern based upon the results of this study.

Propp, W.A.

1998-09-01T23:59:59.000Z

405

Thermodynamics and Relativity: A Message to Physics Teachers (for an easier understanding of the thermodynamic theory)  

E-Print Network (OSTI)

Whoever has to learn or to teach thermodynamics is confronted with conceptual difficulties which are specific to this field of physics ([1],[2]). It seems that they can be eliminated by inserting relativity in the thermodynamic theory. The aim of this paper is to summarize the problem and draw attention upon a fundamental point of the discussion.

Tane, Jean-Louis

2007-01-01T23:59:59.000Z

406

From mechanics to thermodynamics: an example of how to build the thermodynamics laws  

E-Print Network (OSTI)

We study a mechanical problem in which a friction force is acting on the system. We explain how to extend Newtonian mechanics to thermodynamics using the fundamental concept of state, time evolution and energy conservation. We derive the two law of thermodynamics and then apply them to significant examples.

Ferrari, Christian

2009-01-01T23:59:59.000Z

407

Thermodynamics and Relativity: A Message to Physics Teachers (for an easier understanding of the thermodynamic theory)  

E-Print Network (OSTI)

Whoever has to learn or to teach thermodynamics is confronted with conceptual difficulties which are specific to this field of physics ([1],[2]). It seems that they can be eliminated by inserting relativity in the thermodynamic theory. The aim of this paper is to summarize the problem and draw attention upon a fundamental point of the discussion.

Jean-Louis Tane

2007-11-27T23:59:59.000Z

408

Vehicle Research Laboratory - FEERC  

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

Vehicle Research Laboratory Vehicle Research Laboratory Expertise The overall FEERC team has been developed to encompass the many disciplines necessary for world-class fuels, engines, and emissions-related research, with experimental, analytical, and modeling capabilities. Staff members specialize in areas including combustion and thermodynamics, emissions measurements, analytical chemistry, catalysis, sensors and diagnostics, dynamometer cell operations, engine controls and control theory. FEERC engineers have many years of experience in vehicle research, chassis laboratory development and operation, and have developed specialized systems and methods for vehicle R&D. Selected Vehicle Research Topics In-use investigation of Lean NOx Traps (LNTs). Vehicle fuel economy features such as lean operation GDI engines,

409

Research Highlight  

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

First Measurements of Neutral Atmospheric Cluster and 1-2 Nm Particle First Measurements of Neutral Atmospheric Cluster and 1-2 Nm Particle Number Distributions During Nucleation Events Download a printable PDF Submitter: McMurry, P. ., University of Minnesota Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Jiang J, J Zhao, M Chen, J Scheckman, BJ Williams, FL Eisele, and PH McMurry. 2011. "First measurements of neutral atmospheric cluster and 1-2 nm particle number distributions during nucleation events." Aerosol Science and Technology, 45, doi:10.1080/02786826.2010.546817. Jiang J, M Chen, C Kuang, M Attoui, and PH McMurry. 2011. "Electrical mobility spectrometer using a diethylene glycol condensation particle counter for measurement of aerosol size distributions down to 1 nm."

410

Research Highlight  

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

Dynamics and Atmospheric State on Cloud Vertical Overlap Dynamics and Atmospheric State on Cloud Vertical Overlap Download a printable PDF Submitter: Naud, C. M., Columbia University/NASA Goddard Institute for Space Studies Del Genio, A. D., NASA Mace, G., Utah State University Benson, S., Utah State University Clothiaux, E. E., Pennsylvania State University Kollias, P., McGill University Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Modeling Journal Reference: Naud, C, A Del Genio, GG Mace, S Benson, EE Clothiaux, and P Kollias. "Impact of dynamics and atmospheric state on cloud vertical overlap." Journal of Climate 218: 1758-1770. Mean overlap parameter α as a function of separation: (a,b) at SGP for all winter months of 2002-2004 and for 4 subsets of increasing 500 mb ω such

411

Research Highlight  

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

Indirect Impact of Atmospheric Aerosols on an Ensemble of Deep Convective Indirect Impact of Atmospheric Aerosols on an Ensemble of Deep Convective Clouds Download a printable PDF Submitter: Grabowski, W., NCAR Morrison, H. C., NCAR Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Grabowski WW and H Morrison. 2011. "Indirect impact of atmospheric aerosols in idealized simulations of convective-radiative quasi-equilibrium. Part II: Double-moment microphysics." Journal of Climate, 24, 1897-1912. This paper extends the previous cloud-resolving modeling study concerning the impact of cloud microphysics on convective-radiative quasi-equilibrium (CRQE) over a surface with fixed characteristics and prescribed solar input, both mimicking the mean conditions on Earth. The current study

412

Research Highlight  

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

Splitting the Solar Spectrum: Sometimes Less Is Better Than More Splitting the Solar Spectrum: Sometimes Less Is Better Than More Submitter: Pawlak, D. T., Pennsylvania State University Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Pawlak, DT, EJ Clothiaux, MF Modest, and JNS Cole. 2004. Full-Spectrum Correlated-k Distribution for Shortwave Atmospheric Radiative Transfer. Journal of the Atmospheric Sciences 61: 2588-2601. Of all the physical and dynamical calculations required in numerical weather prediction and climate modeling, radiation calculations consume the most computational time. This is because the radiation transfer physics of the atmosphere involve molecular absorption that occurs in narrowly defined absorption bands of the electromagnetic spectrum. The exact location in the

413

Research Highlight  

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

Preferred States of the Winter Arctic Atmosphere, Surface, and Sub-Surface Preferred States of the Winter Arctic Atmosphere, Surface, and Sub-Surface Download a printable PDF Submitter: Del Genio, A. D., NASA Area of Research: Surface Properties Working Group(s): Cloud Life Cycle Journal Reference: Stramler K, AD Del Genio, and WB Rossow. 2011. "Synoptically driven Arctic winter states." Journal of Climate, 24(6), doi:10.1175/2010JCLI3817.1. SHEBA winter hourly surface net (down - up) longwave radiation flux versus surface temperature. Blue circles indicate times when a combined radar-lidar cloud detection indicated clear skies, and red plus signs indicate times when clouds were detected. Time series of SHEBA winter hourly temperatures at the atmospheric temperature inversion altitude (magenta), surface (black), snow-sea ice

414

Research Highlight  

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

Modification of the Atmospheric Boundary Layer by a Small Island: Modification of the Atmospheric Boundary Layer by a Small Island: Observations from Nauru Submitter: Long, C. N., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: Matthews, S., J. M. Hacker, J. Cole, J. Hare, C. N. Long, and R. M. Reynolds, (2007): Modification of the atmospheric boundary layer by a small island: observations from Nauru, MWR, Vol. 135, No. 3, pages 891–905. Figure 1. Illustration of daytime heating producing a thermal internal boundary layer effect over Nauru, which in turn produces cumulous clouds above the boundary layer. Figure 2. Illustration of Nauru heat-island produced by convective rolls forming cloud streets. Figure 3. Satellite images of Nauru on December 13, 2000 showing the cloud

415

Research Highlight  

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

Comparing Global Atmospheric Model Simulations of Tropical Convection Comparing Global Atmospheric Model Simulations of Tropical Convection Download a printable PDF Submitter: Lin, Y., Geophysical Fluid Dynamics Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle Journal Reference: N/A Mean profiles of (first column) total precipitation normalized Q1, (second column) convective precipitation normalized convective heating, (third column) stratiform heating, and (fourth column) convective mass flux for the (top) wet, (middle) dry, and (bottom) break period from models and available observational estimates. Dashed lines are fine resolution model results. Note the different x axis scale for the third and fourth columns. An intercomparison of global atmospheric model simulations of tropical

416

Radiation Measurement (ARM) Climate Research  

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

Sponsored by the U.S. Department of Energy's (DOE) Office of Science, the Atmospheric Radiation Measurement (ARM) Climate Research Facility was established in 1990 to improve...

417

A Study of Persistence in the Land–Atmosphere System Using a General Circulation Model and Observations  

Science Conference Proceedings (OSTI)

Persistence in the land–atmosphere system simulated with the National Center for Atmosphere Research Community Climate Model Version 2 (CCM2) coupled with the Biosphere–Atmosphere Transfer Scheme (BATS) is examined. BATS simulates various ...

Yongqiang Liu; Roni Avissar

1999-08-01T23:59:59.000Z

418

A Coupled Atmosphere–Wave–Ocean Modeling System: Simulation of the Intensity of an Idealized Tropical Cyclone  

Science Conference Proceedings (OSTI)

A coupled atmosphere–wave–ocean modeling system (CAWOMS) based on the integration of atmosphere–wave, atmosphere–ocean, and wave–current interaction processes is developed. The component models consist of the Weather Research and Forecasting (WRF)...

Bin Liu; Huiqing Liu; Lian Xie; Changlong Guan; Dongliang Zhao

2011-01-01T23:59:59.000Z

419

A Study of Persistence in the Land–Atmosphere System with a Fourth-Order Analytical Model  

Science Conference Proceedings (OSTI)

In a companion paper, Y. Liu and R. Avissar analyzed the features of persistence in the land–atmosphere system simulated with the National Center for Atmospheric Research Community Climate Model Version 2 coupled with the Biosphere–Atmosphere ...

Yongqiang Liu; Roni Avissar

1999-08-01T23:59:59.000Z

420

Atmospheric Science Experiments Applicable to Space Shuttle Spacelab Missions  

Science Conference Proceedings (OSTI)

The present lack of a lower atmosphere research satellite program for the 1980s has prompted consideration of the Space Shuttle/Spacelab system as a means of flying sensor complements geared toward specific research problems, as well as continued ...

F. R. Robertson; S. J. Goodman; G. S. Wilson; H. J. Christian Jr.; G. H. Fichtl; W. W. Vaughan

1984-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Complexation of Gluconate with Uranium(VI) in Acidic Solutions: Thermodynamic Study with Structural Analysis  

E-Print Network (OSTI)

G. G. , Wang, Z. , “Thermodynamic and spectroscopic studiesDetermination of the thermodynamic quantities of uranium(82, 483. Table 1. Thermodynamic parameters of gluconate

Zhang, Zhicheng

2009-01-01T23:59:59.000Z

422

Thermodynamic Signatures of Half-Quantum Vortices in p+ip Josephson Junction Arrays  

E-Print Network (OSTI)

OF CALIFORNIA RIVERSIDE Thermodynamic Signatures of Half-OF THE DISSERTATION Thermodynamic Signatures of Half-Quantumto leave various thermodynamic signatures accessible to the

Krahn, Graham Joel

2012-01-01T23:59:59.000Z

423

HIGH-TEMPERATURE THERMODYNAMIC ACTIVITIES OF ZIRCONIUM IN PLATINUM ALLOYS DETERMINED BY NITROGEN-NITRIDE EQUILIBRIA  

E-Print Network (OSTI)

are available on the thermodynamic properties of non-with values of the thermodynamic data for Zr and N2 yieldis crucial because their thermodynamic properties vary with'

Goodman, David Alan

2010-01-01T23:59:59.000Z

424

HP-67 CALCULATOR PROGRAMS FOR THERMODYNAMIC DATA AND PHASE DIAGRAM CALCULATIONS  

E-Print Network (OSTI)

Selected Values of the Thermodynamic Properties of theI-, Estimation of Thermodynamic D.ata and Phase Diagrams. ,CALCULATOR PROGRAMS FOR THERMODYNAMIC DATA AND PHASE DIAGRAM

Brewer, Leo

2010-01-01T23:59:59.000Z

425

Thermodynamic modeling of transcription: sensitivity analysis differentiates biological mechanism from mathematical model-induced effects  

E-Print Network (OSTI)

as: Dresch et al. : Thermodynamic modeling of transcription:ARTICLE Open Access Thermodynamic modeling of transcription:on the analysis of thermodynamic models, which have been

Dresch, Jacqueline M; Liu, Xiaozhou; Arnosti, David N; Ay, Ahmet

2010-01-01T23:59:59.000Z

426

THERMODYNAMIC MODEL OF CRITICALITY IN THE CORTEX BASED ON EEG/ECOG DATA  

E-Print Network (OSTI)

CHAPTER 1 THERMODYNAMIC MODEL OF CRITICALITY IN THE CORTEXJohn Wiley & Sons, Inc. THERMODYNAMIC MODEL OF CRITICALITYoperating far from thermodynamic equilibrium. He called the

Kozma, Robert; Puljic, Marko; Freeman, Walter J III

2012-01-01T23:59:59.000Z

427

THERMODYNAMIC TABLES FOR NUCLEAR WASTE ISOLATION, V.1: AQUEOUS SOLUTIONS DATABASE  

E-Print Network (OSTI)

The NBS Tables of Thermodynamic Properties", J. Phys. Chem.Task Group on Chemical Thermodynamic Tables. D. Garvin; V.B.eds. , CODATA Series on Thermodynamic Properties, 1987.

Phillips, S.L.; Hale, F.V.; Silvester, L.F.

2008-01-01T23:59:59.000Z

428

CORTICAL PHASE TRANSITIONS, NONEQUILIBRIUM THERMODYNAMICS AND THE TIME-DEPENDENT GINZBURG LANDAU EQUATION  

E-Print Network (OSTI)

Nonequilibrium Thermodynamics and Time-Dependent GL EquationNONEQUILIBRIUM THERMODYNAMICS AND THE TIME-DEPENDENTour attention on the thermodynamics of the nonequilibrium

Freeman, Walter J.; Livi, Robert; Obinata, Masashi; Vitiello, Giuseppe

2011-01-01T23:59:59.000Z

429

THERMODYNAMICS OF ELECTROLYTES. X. ENTHALPY AND THE EFFECT OF TEMPERATURE ON THE ACTIVITY COEFFICIENTS.  

E-Print Network (OSTI)

09 THERMODYNAMICS OFELECI'ROLYTES. X'rights. r'-" e. ct THERMODYNAMICS OF ELECTROLYTES. X.Coefficient, Electrolyte, Thermodynamics v ~p , I J ! l

Silvester, Leonard F.

2011-01-01T23:59:59.000Z

430

CHEMICAL THERMODYNAMICS OF COMPLEX SYSTEMS: FISSION PRODUCT BEHAVIOR IN LWR FUEL ELEMENTS  

E-Print Network (OSTI)

p. 59 in Proc. Symp. Thermodynamics of Nuclear MaterialsRecommended Key Values for Thermodynamics, April, 1978, ICSUMonoxide (Cs,0)," J. Chem. Thermodynamics, H. E. Flotow and

Kohli, R.

2010-01-01T23:59:59.000Z

431

Spacetime thermodynamics and subsystem observables in a kinetically constrained model of glassy systems  

E-Print Network (OSTI)

Spacetime thermodynamics and subsystem observables in aconcept of spacetime thermodynamics [3] is illus- trated indiscussion of space- time thermodynamics by considering the

Jack, Robert L.; Garrahan, Juan P.; Chandler, David

2006-01-01T23:59:59.000Z

432

Molecular Thermodynamics for Swelling of a Mesoscopic Ionomer Gel in 1:1 Salt Solutions  

E-Print Network (OSTI)

to statistical thermodynamics (Addison-Wesley Pub. Co. ,Safran, Statistical thermodynamics of surfaces, interfaces,Molecular Thermodynamics for Swelling of a Mesoscopic

Victorov, Alexey; Radke, Clayton; Prausnitz, John

2005-01-01T23:59:59.000Z

433

Thermodynamics and the role of allostery in the thrombin- thrombomodulin interaction  

E-Print Network (OSTI)

64 Chapter IV Using Thermodynamics to Probe the Allosteric81 Table 4.3. Thermodynamics of isotherms atOF CALIFORNIA, SAN DIEGO Thermodynamics and the Role of

Beach, Muneera Aina

2008-01-01T23:59:59.000Z

434

THERMODYNAMICS OF LOW-TEMPERATURE (700-850oC) HOT CORROSION  

E-Print Network (OSTI)

Ref. 2). J. Lumsden, Thermodynamics of molten salt mixtures,R. Defay, Chemical thermodynamics, Longmans Green and Co. ,Electrochemical Society THERMODYNAMICS OF LOW-TEMPERATURE {

Misra, A.K.

2013-01-01T23:59:59.000Z

435

Complexation of Lanthanides with Nitrate at Variable Temperatures: Thermodynamics and Coordination Modes  

E-Print Network (OSTI)

L. ; Tian, G. J. Chem. Thermodynamics 2008, 40, 1001. 24.Update on the chemical thermodynamics of uranium, neptunium,L. ; Tochiyama, O. “Chemical Thermodynamics of Compounds and

Rao, Linfeng

2009-01-01T23:59:59.000Z

436

Thermodynamics of neptunium(V) fluoride and sulfate at elevated temperatures  

E-Print Network (OSTI)

Rao, O. Tochiyama; “Chemical Thermodynamics of Compounds andUpdate on the chemical thermodynamics of uranium, neptunium,Thermodynamics of Neptunium(V) Fluoride and Sulfate at

Rao, Linfeng; Tian, Guoxin; Xia, Yuanxian; Friese, Judah I.

2006-01-01T23:59:59.000Z

437

Thermodynamics of pairing in mesoscopic systems  

E-Print Network (OSTI)

Using numerical and analytical methods implemented for different models we conduct a systematic study of thermodynamic properties of pairing correlation in mesoscopic nuclear systems. Various quantities are calculated and analyzed using the exact solution of pairing. An in-depth comparison of canonical, grand canonical, and microcanonical ensemble is conducted. The nature of the pairing phase transition in a small system is of a particular interest. We discuss the onset of discontinuity in the thermodynamic variables, fluctuations, and evolution of zeros of the canonical and grand canonical partition functions in the complex plane. The behavior of the Invariant Correlational Entropy is also studied in the transitional region of interest. The change in the character of the phase transition due to the presence of magnetic field is discussed along with studies of superconducting thermodynamics.

Tony Sumaryada; Alexander Volya

2007-06-12T23:59:59.000Z

438

Thermodynamics and Kinetics of Advanced Separations Systems – FY 2010 Summary Report  

Science Conference Proceedings (OSTI)

This report presents a summary of the work performed in the area of thermodynamics and kinetics of advanced separations systems under the Fuel Cycle Research and Development (FCR&D) program during FY 2010. Thermodynamic investigations into metal extraction dependencies on lactate and HDEHP have been performed. These metal distribution studies indicate a substantial deviation from the expected behavior at conditions that are typical of TALSPEAK process operational platform. These studies also identify that no thermodynamically stable mixed complexes exist in the aqueous solutions and increasing the complexity of the organic medium appears to influence the observed deviations. Following on from this, the first calorimetric measurement of the heat of extraction of americium across a liquid-liquid boundary was performed.

Leigh R. Martin; Peter R. Zalupski

2010-09-01T23:59:59.000Z

439

Thermodynamic nonextensivity in a closed string gas  

E-Print Network (OSTI)

Well known results in string thermodynamics show that there is always a negative specific heat phase in the microcanonical description of a gas of closed free strings whenever there are no winding modes present. We will carefully compute the number of strings in the gas to show how this negative specific heat is related to the fact that the system does not have thermodynamic extensivity. We will also discuss the consequences for a system of having a microcanonical negative specific heat versus the exact result that such a thing cannot happen in any canonical (fixed temperature) description.

Manuel A. Cobas; M. A. R. Osorio; María Suárez

2004-06-04T23:59:59.000Z

440

Black Hole Thermodynamics and Statistical Mechanics  

E-Print Network (OSTI)

We have known for more than thirty years that black holes behave as thermodynamic systems, radiating as black bodies with characteristic temperatures and entropies. This behavior is not only interesting in its own right; it could also, through a statistical mechanical description, cast light on some of the deep problems of quantizing gravity. In these lectures, I review what we currently know about black hole thermodynamics and statistical mechanics, suggest a rather speculative "universal" characterization of the underlying states, and describe some key open questions.

Steven Carlip

2008-07-28T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Local thermodynamics of a magnetized, anisotropic plasma  

SciTech Connect

An expression for the internal energy of a fluid element in a weakly coupled, magnetized, anisotropic plasma is derived from first principles. The result is a function of entropy, particle density and magnetic field, and as such plays the role of a thermodynamic potential: it determines in principle all thermodynamic properties of the fluid element. In particular it provides equations of state for the magnetized plasma. The derivation uses familiar fluid equations, a few elements of kinetic theory, the MHD version of Faraday's law, and certain familiar stability and regularity conditions.

Hazeltine, R. D.; Mahajan, S. M.; Morrison, P. J. [Department of Physics and Institute for Fusion Studies, University of Texas at Austin, Austin, Texas 78712-1060 (United States)

2013-02-15T23:59:59.000Z

442

Thermodynamics of Dyonic Lifshitz Black Holes  

E-Print Network (OSTI)

Black holes with asymptotic anisotropic scaling are conjectured to be gravity duals of condensed matter system close to quantum critical points with non-trivial dynamical exponent z at finite temperature. A holographic renormalization procedure is presented that allows thermodynamic potentials to be defined for objects with both electric and magnetic charge in such a way that standard thermodynamic relations hold. Black holes in asymptotic Lifshitz spacetimes can exhibit paramagnetic behavior at low temperature limit for certain values of the critical exponent z, whereas the behavior of AdS black holes is always diamagnetic.

Tobias Zingg

2011-07-15T23:59:59.000Z

443

Marine Atmospheric Boundary Layer Divergence and Clouds along California in June 1996  

Science Conference Proceedings (OSTI)

The authors have performed a numerical experiment using Mesoscale Model 5 (MM5) with a horizontal resolution of 9 km to simulate hourly atmospheric dynamics and thermodynamics along the U.S. California coast for all of June 1996. The MM5 results ...

Darko Kora?in; Clive E. Dorman

2001-08-01T23:59:59.000Z

444

Sensitivity of the Arctic Climate to Leads in a Coupled Atmosphere-Mixed Layer Ocean Model  

Science Conference Proceedings (OSTI)

The thermodynamic sea ice code in a coupled atmosphere-mixed layer ocean GCM has been altered to allow the presence of open water within an ice pack (leads) and a prescribed turbulent oceanic heat flux at the ice bottom. Two experiments with the ...

Stephen J. Vavrus

1995-02-01T23:59:59.000Z

445

Research Highlight  

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

ARM Science Applications of AERI Measurements ARM Science Applications of AERI Measurements Submitter: Smith, W. L., NASA - Langley Research Center Area of Research: Radiation Processes Working Group(s): Cloud Modeling Journal Reference: DeSlover, D. H. 1996. Analysis of Visible and Infrared Cirrus Cloud Optical Properties Using High Spectral Resolution Remote Sensing, M.S. Thesis, University of Wisconsin - Madison. Ho, S.-P. 1997. Atmospheric Profiles From Simultaneous Observations of Upwelling and Downwelling Spectral Radiance, Ph.D. Thesis, University of Wisconsin - Madison. Knuteson, R. O., F. A. Best, H. B. Howell, P. Minnett, H. E. Revercomb, W. L. Smith. 1997. "High Spectral Resolution Infrared Observations at the Ocean-Atmosphere Interface in the Tropical Western Pacific using a Marine

446

Research Highlight  

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

TOA Radiation Budget of Convective Core/Stratiform Rain/Anvil Clouds from TOA Radiation Budget of Convective Core/Stratiform Rain/Anvil Clouds from Deep Convection Download a printable PDF Submitter: Feng, Z., Pacific Northwest National Laboratory Dong, X., University of North Dakota Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Feng Z, XQ Dong, BK Xi, C Schumacher, P Minnis, and M Khaiyer. 2011. "Top-of-atmosphere radiation budget of convective core/stratiform rain and anvil clouds from deep convective systems." Journal of Geophysical Research - Atmospheres, 116, D23202, doi:10.1029/2011JD016451. An example of the hybrid classification process. (a) GOES IR temperature, (b) NEXRAD radar reflectivity at 2.5 km MSL, (c) cloud patch segmentation from GOES IR temperature (the color patches are identified as deep

447

Research Highlight  

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

Cloud Susceptibility Measures Potential Cloud Sensitivity to First Aerosol Cloud Susceptibility Measures Potential Cloud Sensitivity to First Aerosol Indirect Effect Download a printable PDF Submitter: Oreopoulos, L., NASA Platnick, S., NASA - Goddard Space Flight Center Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: Platnick, S, and L Oreopoulos. 2008. "Radiative susceptibility of cloudy atmospheres to droplet number perturbations: 1. Theoretical analysis and examples from MODIS." Journal of Geophysical Research doi:10.1029/2007JD009654, in press. Oreopoulos, L., and S. Platnick. 2008. Radiative susceptibility of cloudy atmospheres to droplet number perturbations: 2. Global analysis from MODIS, J. Geophys. Res., doi:10.1029/2007JD009655, in press. Theoretical calculations with a shortwave broadband radiative transfer

448

Research Highlight  

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

Estimating Fractional Sky Cover from Spectral Measurements Estimating Fractional Sky Cover from Spectral Measurements Download a printable PDF Submitter: Long, C. N., Pacific Northwest National Laboratory Min, Q., State University of New York, Albany Wang, T., State University of New York, Albany Duan, M., Institute of Atmospheric Physics/Chinese Academy of Science Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: Min Q, T Wang, CN Long, and M Duan. 2008. "Estimating fractional sky cover from spectral measurements." Journal of Geophysical Research - Atmospheres, 113, D20208, doi:10.1029/2008JD010278. Retrieved and observed cloud fractions and corresponding TSI cloud imagers on 8 July 2005 at Pt. Reyes. Scatterplot of retrieved cloud fraction from spectral ratio method and SW

449

Research Highlight  

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

The Surprisingly Large Contribution of Small Marine Clouds to Cloud The Surprisingly Large Contribution of Small Marine Clouds to Cloud Fraction and Reflectance Download a printable PDF Submitter: Oreopoulos, L., NASA Feingold, G., NOAA - Earth System Research Laboratory Koren, I., Weizmann Institute of Science Remer, L., NASA - GSFC, Laboratory for Atmospheres Area of Research: Clouds with Low Optical [Water] Depths (CLOWD) Working Group(s): Cloud Properties Journal Reference: Koren, I, L Oreopoulos, G Feingold, LA Remer, and O Altaratz. 2008. "How small is a small cloud?" Atmospheric Chemistry and Physics Journal, in press Cloud mask for a sparse cumulus cloud field as inferred by using the same threshold at four different spatial resolutions. The upper-left panel is for the original Landsat resolution and the lower-right panel is for a

450

Present-Day and Last-Glacial-Maximum Ocean Thermohaline Circulation in a Zonally Averaged Coupled Ocean–Sea-Ice–Atmosphere Model  

Science Conference Proceedings (OSTI)

A simple ocean–atmosphere model suitable for long-term paleoclimate studies is presented. It consists of a three-basin zonally averaged ocean model coupled to an energy moisture-balance atmospheric model and a thermodynamic sea-ice model. The ...

H. Bjornsson; L. A. Mysak

2001-04-01T23:59:59.000Z

451

Thermodynamics of Hydrogen Production from Dimethyl Ether Steam Reforming and Hydrolysis  

SciTech Connect

The thermodynamic analyses of producing a hydrogen-rich fuel-cell feed from the process of dimethyl ether (DME) steam reforming were investigated as a function of steam-to-carbon ratio (0-4), temperature (100 C-600 C), pressure (1-5 atm), and product species: acetylene, ethanol, methanol, ethylene, methyl-ethyl ether, formaldehyde, formic acid, acetone, n-propanol, ethane and isopropyl alcohol. Results of the thermodynamic processing of dimethyl ether with steam indicate the complete conversion of dimethyl ether to hydrogen, carbon monoxide and carbon dioxide for temperatures greater than 200 C and steam-to-carbon ratios greater than 1.25 at atmospheric pressure (P = 1 atm). Increasing the operating pressure was observed to shift the equilibrium toward the reactants; increasing the pressure from 1 atm to 5 atm decreased the conversion of dimethyl ether from 99.5% to 76.2%. The order of thermodynamically stable products in decreasing mole fraction was methane, ethane, isopropyl alcohol, acetone, n-propanol, ethylene, ethanol, methyl-ethyl ether and methanol--formaldehyde, formic acid, and acetylene were not observed. The optimal processing conditions for dimethyl ether steam reforming occurred at a steam-to-carbon ratio of 1.5, a pressure of 1 atm, and a temperature of 200 C. Modeling the thermodynamics of dimethyl ether hydrolysis (with methanol as the only product considered), the equilibrium conversion of dimethyl ether is limited. The equilibrium conversion was observed to increase with temperature and steam-to-carbon ratio, resulting in a maximum dimethyl ether conversion of approximately 68% at a steam-to-carbon ratio of 4.5 and a processing temperature of 600 C. Thermodynamically, dimethyl ether processed with steam can produce hydrogen-rich fuel-cell feeds--with hydrogen concentrations exceeding 70%. This substantiates dimethyl ether as a viable source of hydrogen for PEM fuel cells.

T.A. Semelsberger

2004-10-01T23:59:59.000Z

452

Atmospheric Radiation Measurement Program  

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

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

453

Molecular Thermodynamic Modeling of Droplet-Type Microemulsions  

E-Print Network (OSTI)

Molecular Thermodynamic Modeling of Droplet-Type Microemulsions Livia A. Moreira and Abbas a molecular thermodynamic theory for droplet-type microemulsions, both water-in-oil and oil

Firoozabadi, Abbas

454

12.480 Thermodynamics for Geoscientists, Spring 2004  

E-Print Network (OSTI)

Principles of thermodynamics are used to infer the physical conditions of formation and modification of igneous and metamorphic rocks. Includes phase equilibria of homogeneous and heterogeneous systems and thermodynamic ...

Grove, Timothy L.

455

Thermodynamics of Actinide-based Nuclear Fuels  

Science Conference Proceedings (OSTI)

Symposium, Phase Stability, Diffusion, Kinetics and their Applications (PSDK-VIII) ... Financial support from the LLNL LDRD program under project 12-SI-008 is gratefully ... An Atomistic Study of the Structure and Thermodynamics of Molten- salt Mixtures ... Calorimetric Investigations of Liquid Co-Sn and Co-Li-Sn Alloys.

456

A thermodynamic switch for chromosome colocalization  

E-Print Network (OSTI)

A general model for the early recognition and colocalization of homologous DNA sequences is proposed. We show, on a thermodynamic ground, how the distance between two homologous DNA sequences is spontaneously regulated by the concentration and affinity of diffusible mediators binding them, which act as a switch between two phases corresponding to independence or colocalization of pairing regions.

M. Nicodemi; B. Panning; A. Prisco

2008-09-27T23:59:59.000Z

457

First law of p-brane thermodynamics  

Science Conference Proceedings (OSTI)

We study the physical process version and the equilibrium state version of the first law of thermodynamics for a charged p-brane. The general setting for our investigations is (n+p+1)-dimensional Einstein dilaton gravity with (p+2) strength form fields.

Rogatko, Marek [Institute of Physics, Maria Curie-Sklodowska University, 20-031 Lublin, pl. Marii Curie-Sklodowskiej 1 (Poland)

2009-08-15T23:59:59.000Z

458

Chiral thermodynamics of dense hadronic matter  

Science Conference Proceedings (OSTI)

We discuss phases of hot and dense hadronic matter using chiral Lagrangians. A two-flavored parity doublet model constrained by the nuclear matter ground state predicts chiral symmetry restoration. The model thermodynamics is shown within the mean-field approximation. A field-theoretical constraint on possible phases from the anomaly matching is also discussed.

Sasaki, C., E-mail: sasaki@fias.uni-frankfurt.de [Frankfurt Institute for Advanced Studies (Germany)

2012-05-15T23:59:59.000Z

459

Seasonally Stratified Analysis of Simulated ENSO Thermodynamics  

Science Conference Proceedings (OSTI)

Using outputs from the SINTEX-F1 coupled GCM, the thermodynamics of ENSO events and its relation with the seasonal cycle are investigated. Simulated El Niño events are first classified into four groups depending on during which season the Niño-...

Tomoki Tozuka; Jing-Jia Luo; Sebastien Masson; Toshio Yamagata

2007-09-01T23:59:59.000Z

460

Thermodynamic properties of biphenyl: Topical report  

SciTech Connect

Ideal-gas thermodynamic properties for biphenyl based on accurate calorimetric measurements were determined between 300 and 700 K, well into the range of typical chemical process temperatures. The calorimetrically derived values provide a firm basis for the prediction of thermodynamic properties for a large family of molecular structures including many substituted biphenyls (such as PCB's) as well as polyphenyls of arbitrary size. Also, results highlighted ambiguities common in the statistical calculation of thermodynamic properties of polycyclic molecules. Critical-property measurement using a differential scanning calorimeter (DSC) showed the commonly accepted assessed value to be in error. This value serves as a ''cornerstone'' in group-contribution critical property estimation schemes, which often are employed by engineers in corresponding-states correlations for the estimation of a great variety of physical properties. Thermodynamically-consistent sublimation vapor pressures were derived to show which of the many literature values are valid; an essential step in the validification of the many reported PCB vapor-pressure measurements, which are key to environmental-impact considerations. Derived Gibbs energies of formation allow the calculation of chemical equilibria in the biphenyl/hydrogen reaction network (published in a companion report; Topical report NIPER-403), which has important ramifications in alternate fuel processing. 85 refs., 11 figs., 16 tabs.

Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Steele, W.V.

1989-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "research atmospheric thermodynamics" 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

Microscopic Derivation of an Isothermal Thermodynamic Transformation  

E-Print Network (OSTI)

We obtain macroscopic isothermal thermodynamic transformations by space-time scalings of a microscopic Hamiltonian dynamics in contact with a heat bath. The microscopic dynamics is given by a chain of anharmonic oscillators subject to a varying tension (external force) and the contact with the heat bath is modeled by independent Langevin dynamics acting on each particle. After a diffusive space-time scaling and cross-graining, the profile of volume converges to the solution of a deterministic diffusive equation with boundary conditions given by the applied tension. This defines an irreversible thermodynamic transformation from an initial equilibrium to a new equilibrium given by the final tension applied. Quasi static reversible isothermal transformations are then obtained by a further time scaling. Heat is defined as the total flux of energy exchanged between the system and the heat bath. Then we prove that the relation between the limit heat, work, free energy and thermodynamic entropy agree with the first and second principle of thermodynamics.

Stefano Olla

2013-10-02T23:59:59.000Z

462

Lattice QCD thermodynamics with Wilson quarks  

E-Print Network (OSTI)

We review studies of QCD thermodynamics by lattice QCD simulations with dynamical Wilson quarks. After explaining the basic properties of QCD with Wilson quarks at finite temperature including the phase structure and the scaling properties around the chiral phase transition, we discuss the critical temperature, the equation of state and heavy-quark free energies.

Shinji Ejiri

2007-04-27T23:59:59.000Z

463

Thermodynamics of nuclei in thermal contact  

E-Print Network (OSTI)

The behaviour of a di-nuclear system in the regime of strong pairing correlations is studied with the methods of statistical mechanics. It is shown that the thermal averaging is strong enough to assure the application of thermodynamical methods to the energy exchange between the two nuclei in contact. In particular, thermal averaging justifies the definition of a nuclear temperature.

Karl-Heinz Schmidt; Beatriz Jurado

2010-10-05T23:59:59.000Z

464

Thermodynamics of Energy Production from Biomass  

E-Print Network (OSTI)

Thermodynamics of Energy Production from Biomass Tad W. Patzek 1 and David Pimentel 2 1 Department #12;3 Biomass from Tropical Tree Plantations 14 3.1 Scope of the Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.2 Environmental Impacts of Industrial Biomass Production . . . . . . . . . . . . . . . 16 3

Patzek, Tadeusz W.

465

Nonequilibrium thermodynamics of a squeezed harmonic oscillator  

E-Print Network (OSTI)

We consider the thermodynamic properties of the squeezed vacuum state of a frequency--modulated quantum harmonic oscillator. We analytically relate the squeezing parameter to the irreversible work and the degree of nonadiabaticity of the frequency transformation. We furthermore determine the optimal modulation that leads to maximal squeezing, and discuss its implementation as well as the detection of squeezing in single cold ion traps.

Fernando Galve; Eric Lutz

2008-11-18T23:59:59.000Z

466

LATTICE QCD THERMODYNAMICS WITH WILSON QUARKS.  

SciTech Connect

We review studies of QCD thermodynamics by lattice QCD simulations with dynamical Wilson quarks. After explaining the basic properties of QCD with Wilson quarks at finite temperature including the phase structure and the scaling properties around the chiral phase transition, we discuss the critical temperature, the equation of state and heavy-quark free energies.

EJIRI,S.

2007-11-20T23:59:59.000Z

467

Thermodynamics and Kinetics of a Brownian Motor  

E-Print Network (OSTI)

Thermodynamics and Kinetics of a Brownian Motor R. Dean Astumian Nonequilibrium fluctuations particle separation and the design of molecular motors and pumps. A small particle in a liquid is subject in conjunction with an- isotropy to drive a motor in the context of a "ratchet and pawl" device shrunk to micro

Linke, Heiner

468

ACARS Aerodynamic (Research Incorporated) Communication and Recording System  

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

ix ix Acrononyms and Abbreviations Acronyms and Abbreviations ACARS Aerodynamic (Research Incorporated) Communication and Recording System ACSYS Arctic Climate System Study AER Atmospheric Environmental Research, Inc. AERI Atmospheric Emitted Radiance Interferometer AFOSR Air Force Office of Scientific Research AGARD Advisory Group for Aerospace Research and Development ALFA AER Local Forecast and Assimilation (model) AMIP Atmospheric Model Intercomparison Project ARCS Atmosphere Radiation and Cloud Stations ARCSS Arctic System Science (NSF) ARCSYM Arctic Regional Climate System Model ARINC Aerodynamic Research Incorporated Communication ARM Atmospheric Radiation Measurement program AS anvil stratus ASTER Atmosphere-Surface Turbulent Exchange Research ASTEX Altantic Stratocumulus Transition EXperiment

469

Thermodynamic Control of Stoichiometry-Induced Defects in ...  

Thermodynamic Control of Stoichiometry-Induced Defects in Photovoltaic Materials Note: The technology described above is an early stage opportunity.

470

Thermodynamic Study for Cleaning Water Contaminated with Cu ...  

Science Conference Proceedings (OSTI)

About this Abstract. Meeting, 2011 TMS Annual Meeting & Exhibition. Symposium , General Poster Session. Presentation Title, Thermodynamic Study for ...

471

The Implications of Thermodynamic Models on Diffusion Simulations  

Science Conference Proceedings (OSTI)

Evaluation of the Uncertainty of Extrapolating Thermodynamic and Mobility Data in Temperature and Composition · Finding Critical Nucleus Configuration and ...

472

Systematic Analysis and Thermodynamic Optimizations of the binary ...  

Science Conference Proceedings (OSTI)

About this Abstract. Meeting, 2014 TMS Annual Meeting & Exhibition. Symposium , Hume-Rothery Award Symposium: Thermodynamics and Kinetics of ...

473

Thermodynamic Investigations in the Ternary Al-Ti-Cr System  

Science Conference Proceedings (OSTI)

About this Abstract. Meeting, 2014 TMS Annual Meeting & Exhibition. Symposium , Hume-Rothery Award Symposium: Thermodynamics and Kinetics of ...

474

Quantum correlations in the thermodynamic limit: the XY-model  

E-Print Network (OSTI)

We investigate thermal properties of quantum correlations in the thermodynamic limit with reference to the XY-model

Batle, J; Plastino, A R; Casas, M

2011-01-01T23:59:59.000Z

475

Thermodynamics-Based Materials Design - Programmaster.org  

Science Conference Proceedings (OSTI)

Thermodynamics-based parametric materials design integrating materials science, applied mechanics and quantum physics within a systems engineering ...

476

Nonperturbative and analytical approach to Yang-Mills thermodynamics  

E-Print Network (OSTI)

An analytical, macroscopic approach to SU(N) Yang-Mills thermodynamics is developed, tested,and applied.

Ralf Hofmann

2004-04-29T23:59:59.000Z

477

Research Highlight  

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

Unique Properties of the Arctic Stratiform Cloud-Top Region Unique Properties of the Arctic Stratiform Cloud-Top Region Submitter: Shupe, M., University of Colorado Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Sedlar J, MD Shupe, and M Tjernström. 2011. "On the relationship between thermodynamic structure and cloud top, and its climate significance in the Arctic." Journal of Climate, 25(7), doi:10.1175/JCLI-D-11-00186.1. Occurrence frequency of low-level, stratiform cloud cases used in the analysis (black), percentage of these cases where the cloud top was identified to occur within the inversion (CII, gray), and percentage where the cloud top was observed to be capped by the inversion (CCI, white) for the ASCOS, SHEBA, and Barrow locations. The total number of cases analyzed

478

A learning outcome driven cyber infrastructure for thermodynamics education  

Science Conference Proceedings (OSTI)

The Web portal TEST, the Expert System for Thermodynamics (www.thermofluids.net) is a courseware that is being used in Engineering Thermodynamics classes by more than 2000 registered educators around the world. The courseware combines a number of resources: ... Keywords: assessment, learning outcomes, problem solving, thermodynamics

Subrata Bhattacharjee; Christopher Paolini; Mahesh Kumar

2012-07-01T23:59:59.000Z

479

Positive and negative entropy production in thermodynamic systems  

E-Print Network (OSTI)

This article presents a heuristic combination of the local and global formulations of the second law of thermodynamics that suggests the possibility of theoretical existence of thermodynamic processes with positive and negative entropy production.Such processes may exhibit entropy couplings that reveal an unusual behavior from the point of view of conventional thermodynamics.

Belandria, Jose Iraides

2009-01-01T23:59:59.000Z

480

Thermodynamics of Ideal Gas in Doubly Special Relativity  

E-Print Network (OSTI)

We study thermodynamics of an ideal gas in Doubly Special Relativity. New type of special functions (which we call Incomplete Modified Bessel functions) emerge. We obtain a series solution for the partition function and derive thermodynamic quantities. We observe that DSR thermodynamics is non-perturbative in the SR and massless limits. A stiffer equation of state is found.

Chandra, Nitin

2011-01-01T23:59:59.000Z

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


481

Thermodynamics of resonances and blurred particles  

E-Print Network (OSTI)

Exact and approximate expressions for thermodynamic characteristics of heated matter, which consists of particles with finite mass-widths, are constructed. They are expressed in terms of Fermi/Bose distributions and spectral functions, rather than in terms of more complicated combinations between real and imaginary parts of the self-energies of different particle species. Therefore thermodynamically consistent approximate treatment of systems of particles with finite mass-widths can be performed, provided spectral functions of particle species are known. Approximation of the free resonance gas at low densities is studied. Simple ansatz for the energy dependence of the spectral function is suggested that allows to fulfill thermodynamical consistency conditions. On examples it is shown that a simple description of dense systems of interacting particle species can be constructed, provided some species can be treated in the quasiparticle approximation and others as particles with widths. The interaction affects quasiparticle contributions, whereas particles with widths can be treated as free. Example is considered of a hot gas of heavy fermions strongly interacting with light bosons, both species with zero chemical potentials. The density of blurred fermions is dramatically increased for high temperatures compared to the standard Boltzmann value. The system consists of boson quasiparticles (with effective masses) interacting with fermion -- antifermion blurs. In thermodynamical values interaction terms partially compensate each other. Thereby, in case of a very strong coupling between species thermodynamical quantities of the system, like the energy, pressure and entropy, prove to be such as for the quasi-ideal gas mixture of quasi-free fermion blurs and quasi-free bosons.

D. N. Voskresensky

2008-04-10T23:59:59.000Z

482

Research Highlight  

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

ARM Program Achieves Milestone in Global Cloud Properties Research ARM Program Achieves Milestone in Global Cloud Properties Research Submitter: Revercomb, H. E., University of Wisconsin, Madison Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Knuteson, R.O., Best, F.A., Dedecker, R.G., Feltz, W.F., Revercomb, H.E., and Tobin, D.C., 2004: "10 Years of AERI Data from the DOE ARM Southern Great Plains Site," In Proceedings from the Fourteenth ARM Science Team Meeting, U.S. Department of Energy,Washington, D.C. Figure 1 Figure 2 From the unassuming farmlands of north-central Oklahoma comes a milestone for the global climate research community. March 2004 marked the 10-year anniversary for an instrument that now holds the prestigious distinction of providing the longest set of continuous atmospheric interferometer data

483

Thermodynamic Mechanisms Responsible for the Tropospheric Response to SST Anomalies in the Antarctic Circumpolar Wave  

Science Conference Proceedings (OSTI)

Tropospheric temperature and vorticity budgets for the Antarctic Circumpolar Wave (ACW) are diagnosed utilizing the National Centers for Environment Prediction–National Center for Atmospheric Research reanalysis datasets from 1983 to 1992, ...

Warren B. White; Shyh-Chin Chen

2002-09-01T23:59:59.000Z

484

ARM Climate Research Facility  

NLE Websites -- All DOE Office Websites

banner banner Home | People | Site Index Atmospheric Radiation Measurement Climate Research Facility US Department of Energy About Science Campaigns Sites Instruments Measurements Data News Publications Education Become a User Recovery Act Mission FAQ Outreach Displays History Organization Participants Facility Statistics Forms Contacts Research Themes Research Highlights Journal Articles Collaborations Atmospheric System Research (ASR) ARM Science Team Meetings Propose a Campaign Submitting Proposals: Guidelines Featured Campaigns Campaign Data List of Campaigns Aerial Facility Eastern North Atlantic Mobile Facilities North Slope of Alaska Southern Great Plains Tropical Western Pacific Location Table Contacts Instrument Datastreams Value-Added Products PI Data Products Field Campaign Data Related Data

485

Thermodynamically predicted oscillations in closed chemical systems  

E-Print Network (OSTI)

All known up to now models of chemical oscillations are based exclusively on kinetic considerations. The chemical gross-process equation is split usually by elementary steps, each step is supplied by an arrow and a differential equation, joint solution to such a construction under certain, often ad hoc chosen conditions and with ad hoc numerical coefficients leads to chemical oscillations. Kinetic perception of chemical oscillations reigns without exclusions. However, as it was recently shown by the author for the laser and for the electrochemical systems, chemical oscillations follow also from solutions to the basic expressions of discrete thermodynamics of chemical equilibria. Graphically those solutions are various fork bifurcation diagrams, and, in certain types of chemical systems, oscillations are well pronounced in the bistable bifurcation areas. In this work we describe a general thermodynamic approach to chemical oscillations as opposite to kinetic models, and depict some of their new features like s...

Zilbergleyt, B

2010-01-01T23:59:59.000Z

486

Thermodynamic Efficiency of Heat Exchange Devices  

E-Print Network (OSTI)

The continued rise in the cost of energy 'has it imperative to augment the usual heat flow analyses for power plants, refineries, chemical plants and other energy intensive industries by adding analyses of available energy flow and device irreversibilities. The reclamation of what was formerly 'waste heat' by using additional, or more efficient, equipment has become not only economically feasible, but sometimes essential. A thermodynamic efficiency based on the second law of thermodynamics is defined for heat exchange devices. The efficiency can be simply written in terms of the mean absolute temperature levels of the two fluids exchanging heat, and an appropriate environment temperature. It is also shown that for a given ratio of hot to cold inlet temperatures, the efficiency and effectiveness for particular heat exchange configurations are related. Conclusions regarding the effect of stream temperatures on the efficiency of various types of exchangers are made. The concept is applied to typical heat exchange cases to demonstrate its applicability and sensitivity.

Witte, L. C.; Shamsundar, N.

1982-01-01T23:59:59.000Z

487

Statistical thermodynamics of supercapacitors and blue engines  

E-Print Network (OSTI)

We study the thermodynamics of electrode-electrolyte systems, for instance supercapacitors filled with an ionic liquid or blue-energy devices filled with river- or sea water. By a suitable mapping of thermodynamic variables, we identify a strong analogy with classical heat engines. We introduce several Legendre transformations and Maxwell relations. We argue that one should distinguish between the differential capacity at constant ion number and at constant ion chemical potential, and derive a relation between them that resembles the standard relation between heat capacity at constant volume and constant pressure. Finally, we consider the probability distribution of the electrode charge at a given electrode potential, the standard deviation of which is given by the differential capacity.

René van Roij

2012-11-06T23:59:59.000Z

488

Thermodynamics of quantum informational systems - Hamiltonian description  

E-Print Network (OSTI)

It is often claimed, that from a quantum system of d levels, and entropy S and heat bath of temperature T one can draw kT(ln d -S) amount of work. However, the usual arguments based on Szilard engine are not fully rigorous. Here we prove the formula within Hamiltonian description of drawing work from a quantum system and a heat bath, at a cost of entropy of the system. We base on the derivation of thermodynamical laws and quantities in [R. Alicki, J. Phys. A, 12, L103 (1979)] within a weak coupling limit. Our result provides fully physical scenario for extracting thermodynamical work from quantum correlations [J. Oppenheim et al. Phys. Rev. Lett. 89, 180402 (2002)]. We also derive Landauer principle as a consquence of second law within the considered model.

Robert Alicki; Michal Horodecki; Pawel Horodecki; Ryszard Horodecki

2004-02-02T23:59:59.000Z

489

Thermodynamics of free Domain Wall fermions  

E-Print Network (OSTI)

Studying various thermodynamic quantities for the free domain wall fermions for both finite and infinite fifth dimensional extent N_5, we find that the lattice corrections are minimum for $N_T\\geq10$ for both energy density and susceptibility, for its irrelevant parameter M in the range 1.45-1.50. The correction terms are, however, quite large for small lattice sizes of $N_T\\leq8$. We propose modifications of the domain wall operator, as well as the overlap operator, to reduce the finite cut-off effects to within 10% of the continuum results of the thermodynamic quantities for the currently used N_T=6-8 lattices. Incorporating chemical potential, we show that \\mu^2 divergences are absent for a large class of such domain wall fermion actions although the chiral symmetry is broken for $\\mu\

R. V. Gavai; Sayantan Sharma

2008-11-19T23:59:59.000Z

490

Research Highlight  

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

Data from DOE Atmospheric Radiation Measurement Program Allows Evaluation Data from DOE Atmospheric Radiation Measurement Program Allows Evaluation of Surface Models Submitter: Robock, A., Rutgers University Area of Research: Surface Properties Working Group(s): Cloud Modeling Journal Reference: Robock, A., Luo, L., Wood, E. F., Wen, F., Mitchell, K. E., Houser, P. R., Schaake, J. C., Lohmann, D., Cosgrove, B., Sheffield, J., Duan, Q., Higgins, R. W., Pinker, R. T., Tarpley, J. D., Basara, J. D., Crawford, K. C., Evaluation of the North American Land Data Assimilation System over the Southern Great Plains during the warm season, J. Geophys. Res., 108(D22), 8846, doi:10.1029/2002JD003245, 2003 An example of the model discrepancies is shown in a comparison of monthly mean diurnal cycle data from July 1999 at the ARM Southern Great Plains

491

Research Highlight  

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

More Like Shades of Gray: the Effects of Black Carbon in Aerosols More Like Shades of Gray: the Effects of Black Carbon in Aerosols Submitter: McComiskey, A. C., National Oceanic and Atmospheric Administration Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Cappa CD, TB Onasch, P Massoli, DR Worsnop, TS Bates, ES Cross, P Davidovits, J Hakala, KL Hayden, BT Jobson, KR Kolesar, DA Lack, BM Lerner, SM Li, D Mellon, I Nuaaman, JS Olfert, T Petaja, PK Quinn, C Song, R Subramanian, EJ Williams, and RA Zaveri. 2012. "Radiative absorption enhancements due to the mixing state of atmospheric black carbon." Science, 337(6098), doi:10.1126/science.1223447. Black to the core: Scientists are combining field and laboratory measurements to understand more about the physical properties of aerosols

492

Research Highlight  

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

New Method Simulates 3D Ice Crystal Growth Within Clouds New Method Simulates 3D Ice Crystal Growth Within Clouds Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Harrington JY, K Sulia, and H Morrison. 2013. "A method for adaptive habit prediction in bulk microphysical models. Part I: theoretical development." Journal of the Atmospheric Sciences, 70(2), doi:10.1175/JAS-D-12-040.1. Harrington JY, K Sulia, and H Morrison. 2013. "A method for adaptive habit prediction in bulk microphysical models. Part II: parcel model corroboration." Journal of the Atmospheric Sciences, 70(2), doi:10.1175/JAS-D-12-0152.1. A close-up of ice crystals. Ever noticed the different shapes of snowflakes sticking on the windowpane

493

Research Highlight  

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

Dust in the Wind... and the Clouds... and the Atmosphere Dust in the Wind... and the Clouds... and the Atmosphere Submitter: Sassen, K., University of Alaska, Fairbanks Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Sassen, K., P.J. DeMott, J.M. Propsero, and M.R. Poellot, Saharan Dust Storms and Indirect Aerosol Effects on Clouds: CRYSTAL-FACE Results, Geophys. Res. Ltt., 30(12), 1633, doi:10/1029/2003GL017371, 2003. PDL linear depolarization ratio (color scale on top) and relative returned power (in gray scale) of height versus time displays obtained on July 29, 2002, during the CRYSTAL-FACE experiment. Depicted are strong depolarizing upper tropospheric clouds (~10km), aerosols (δ ~.10 to .15) extending up to ~5.5km, and at lower right (scale adjusted to account for signal

494

Research Highlight  

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

First Observation-Based Estimates of Cloud-Free Aerosol Radiative Forcing First Observation-Based Estimates of Cloud-Free Aerosol Radiative Forcing Across China Download a printable PDF Submitter: Li, Z., University of Maryland Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: N/A Mean annual shortwave aerosol radiative forcing (SWARF) averaged across China. Spatial variation of the annual mean SW aerosol radiative forcing. Heavy loading of aerosols in China is widely known, but little is known about their impact on regional radiation budgets, which is often expressed as aerosol radiative forcing (ARF). Depending on their composition, aerosols can absorb a substantial amount of solar radiation, leading to a warming of the atmosphere and cooling of the surface. Many investigations have been made to characterize atmospheric aerosols and their radiative

495

Research Highlight  

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Scale Shows True Weight of Aerosol Effects on Clouds Scale Shows True Weight of Aerosol Effects on Clouds Download a printable PDF Submitter: McComiskey, A. C., National Oceanic and Atmospheric Administration Area of Research: Aerosol Processes Working Group(s): Aerosol Life Cycle Journal Reference: McComiskey A and G Feingold. 2012. "The scale problem in quantifying aerosol indirect effects." Atmospheric Chemistry and Physics, 12, doi:10.5194/acp-12-1031-2012. Differing values: Values derived from aircraft and surface observations, which represent disaggregated data, differ from those derived from satellite-based data, which represent data aggregated at a range of levels. Currently, many climate change models treat the two types of data the same. Aerosols-tiny airborne particles from sources like pollution or desert

496

Research Highlight  

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Cloud Phase Determination Using Ground-Based AERI Observations at SHEBA Cloud Phase Determination Using Ground-Based AERI Observations at SHEBA Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Properties Journal Reference: Turner, D.D., S.A. Ackerman, B.A. Baum, H.E. Revercomb, and P. Yang, 2003: "Cloud Phase Determination Using Ground-Based AERI Observations at SHEBA," Journal of Applied Meteorology 42(6):701-715. The SHEBA experiment in Barrow, Alaska used data collected by the ground-based radiation observations from the Atmospheric Emitted Radiance Interferometer (AERI). (Photo Credit: SHEBA Project Office) Key Contributors: S.A. Ackerman, B.A. Baum, H.E. Revercomb, P. Yang, In the frigid environs of the Acrtic, ARM scientists at the North Slope of

497

Research Highlight  

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Power in the Vertical: Using Wind Profiler Data to Study Precipitation Power in the Vertical: Using Wind Profiler Data to Study Precipitation Download a printable PDF Submitter: Kollias, P., McGill University Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Tridon F, A Battaglia, P Kollias, E Luke, and C Williams. 2013. "Signal post-processing and reflectivity calibration of the Atmospheric Radiation Measurement Program 915 MHz wind profilers." Journal of Atmospheric and Oceanic Technology, 30(6), doi:10.1175/JTECH-D-12-00146.1. Because ARM's wind profilers (foreground) can take vertical as well as horizontal measurements, the instruments can be used with appropriate processing and calibration to help study rainfall. For more than two decades, radar wind profilers of the U.S. Department of

498

Research Highlight  

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When Pollution Gets a Whiff of Trees When Pollution Gets a Whiff of Trees Download a printable PDF Submitter: Shilling, J., Pacific Northwest National Laboratory Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Shilling JE, RA Zaveri, JD Fast, L Kleinman, M Alexander, MR Canagaratna, E Fortner, JM Hubbe, JT Jayne, A Sedlacek, A Setyan, S Springston, DR Worsnop, and Q Zhang. 2013. "Enhanced SOA formation from mixed anthropogenic and biogenic emissions during the CARES campaign." Atmospheric Chemistry and Physics, 13, doi:10.5194/acp-13-2091-2013. Organic aerosols from tree emissions increase when mixed with manmade sources, impacting the climate. It's easy to visualize particles and gases from vehicle exhaust or burning trash wafting into the atmosphere. It's harder to envision similar gases

499

Research Highlight  

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Progress Towards Climate Projections of Central U.S. Rainfall Using a Progress Towards Climate Projections of Central U.S. Rainfall Using a Global Model with Embedded Explicit Convection Download a printable PDF Submitter: Pritchard, M. S., Scripps Institution of Oceanography Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle Journal Reference: Pritchard MS, MW Moncrieff, and RC Somerville. 2011. "Orogenic propagating precipitation systems over the US in a global climate model with embedded explicit convection." Journal of the Atmospheric Sciences, 68, doi:10.1175/2011JAS3699.1. Characteristic time-longitude structure of central U.S. summer diurnal convection (35-45 N) (a) as observed in 2005 from space-borne infrared imagers, and as simulated by (b) the Community Atmosphere Model (CAM) v3.5

500

Research Highlight  

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Increased Accuracy for Sky Imager Retrievals Increased Accuracy for Sky Imager Retrievals Download a printable PDF Submitter: Long, C. N., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Long CN. 2010. "Correcting for circumsolar and near-horizon errors in sky cover retrievals from sky images." The Open Atmospheric Science Journal, 4, doi:10.2174/1874282301004010045. Long CN, JM Sabburg, J Calbo, and D Pages. 2006. "Retrieving cloud characteristics from ground-based daytime all-sky images." Journal of Atmospheric and Oceanic Technology, 23, 633-652. Sample sky image (left) and corresponding cloud decision image (right) showing an example of the over-estimating problem. White and gray in the