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Surface Energy Balance System (SEBS) Handbook

Description: A Surface Energy Balance System (SEBS) has been installed collocated with each deployed ECOR system at the Southern Great Plains (SGP), North Slope of Alaska (NSA), Tropical Western Pacific (TWP), ARM Mobile Facility 1 (AMF1), and ARM Mobile Facility 2 (AMF2). The surface energy balance system consists of upwelling and downwelling solar and infrared radiometers within one net radiometer, a wetness sensor, and soil measurements. The SEBS measurements allow the comparison of ECOR sensible and lat… more
Date: February 14, 2011
Creator: Cook, DR
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Verification Of Energy Balance In The Ansys V5.4 Thermal Calculations

Description: The objective of this calculation is to verify the energy balance of the thermal calculations analyzed by ANSYS Version (V) 5.4 solver (see Section 4). The scope of this calculation is limited to calculating the energy balance of a two-dimensional repository thermal representation using the temperatures obtained from ANSYS V5.4. The procedure, AP-3.124, Calculations (Ref. 3), and the Technical Work Plan for: Waste Package Design Description for LA (Ref. 2) are used to develop this calculation. … more
Date: February 8, 2001
Creator: Marr, H. & Anderson, M. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Plasma energy balance model for optical-laser-induced impulse in vacuo

Description: A simple plasma-energy-balance model, along with its derivation, is presented for calculating the impulse from targets in a vacuum exposed to single-pulse, optical lasers. Figures demonstrate that throughout most of the range of interest, results from the model agree well with experimental data and LASNEX radiation-hydrodynamic computer code calculations. The model assumes isothermal blowoff and thus takes advantage of the insensitivity of impulse to energy distribution within the ablated mass.… more
Date: January 1, 1986
Creator: Dingus, R. S. & Goldman, S. R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Preliminary Energy Balance and Economics of a Farm-Scale Ethanol Plant

Description: The energy balance and economics of grain to ethanol plants are matters of current national interest, as we strive to deal with our liquid fuel supply problems. This report prepared at the request of the Department of Energy, examines the energy balance and economic questions for a particular farm-scale plant in Campo, Colo. It shows that such plants may have a place in our national liquid fuel supply system.
Date: May 1980
Creator: Jantzen, Dan & McKinnon, Tom
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Temperature Gradient in Hall Thrusters

Description: Plasma potentials and electron temperatures were deduced from emissive and cold floating probe measurements in a 2 kW Hall thruster, operated in the discharge voltage range of 200-400 V. An almost linear dependence of the electron temperature on the plasma potential was observed in the acceleration region of the thruster both inside and outside the thruster. This result calls into question whether secondary electron emission from the ceramic channel walls plays a significant role in electron en… more
Date: November 24, 2003
Creator: Staack, D.; Raitses, Y. & Fisch, N. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Documentation of the Thermal Energy Balance Equation used in the USNT Model of the NUFT Flow and Transport Code

Description: The main purpose of this document is to describe the thermal energy balance used in the USNT module of the NUFT code (Nitao, 1998) and its derivation. We also address several specific issues that have arisen within the Yucca Mountain Project.
Date: June 28, 2000
Creator: Nitao, J. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Transport calculations for D-T burning Tokamak reactors

Description: From topical meeting on technology of controlled nuclear fusion; San Diego, California, USA (16 Apr 1974). One-dimensional particle and energy balance equations are solved for a 50-50 D-- T burning Tokamak operating in the reactor regime. Steady-state solutions which satisfy MHD equilibrium and stability criteria are obtained for banana, plateau, and classical transport coefficients by suitable enhancement of the coefficients. The effects of trapped particle instabilities and impurities are inv… more
Date: January 1, 1973
Creator: Stacey, W. M. Jr.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Biomass Power and Conventional Fossil Systems with and without CO2 Sequestration -- Comparing the Energy Balance, Greenhouse Gas Emissions and Economics

Description: Lifecycle analysis of coal-, natural gas- and biomass-based power generation systems with and without CO2 sequestration. Compares global warming potential and energy balance of these systems.
Date: January 1, 2004
Creator: Spath, P. L. & Mann, M. K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Changes in the Carbon and Energy Balance of the Sagebrush Steppe Ecosystem of the Pacific Northwest - White Paper

Description: We propose a multi-agency study to understand the impacts of land-use change on the carbon and energy balance of the Pacific Northwest. By integrating data for the carbon and energy fluxes across different scales within each land-use type, we will develop more accurate input parameters for the regional climate models. The product of this study will address two priorities recommended by the National Academy of Sciences; 1) reduce uncertainties in climate change projections and 2) provide a more … more
Date: November 1, 2002
Creator: Chambers, Minnie Lala Stansbury; Clawson, K. L. & Inouye, R. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Dense Z-pinch (DZP) as a fusion power reactor: preliminary scaling calculations and sysems energy balance

Description: A conceptual DT fusion reactor concept is described that is based upon the dense Z-pinch (DZP). This study emphasizes plasma modeling and the parametric assessment of the reactor energy balance. To this end simple analytic and numerical models have been developed and evaluated. The resulting optimal reactor operating point promises a high-Q, low-yield system of a scale that may allow the use of conventional high-voltage Marx/water-line technology to drive a potentially very small reactor system. more
Date: January 1, 1980
Creator: Hagenson, R. L.; Tai, A. S.; Krakowski, R. A. & Moses, R. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Energy balance of ENDF/B-VI

Description: ENDF/B-VI through Release 2 has been tested for neutron-photon energy balance using the Heater module of the NJOY nuclear data procesing system. The situation is much improved over ENDF/B-V, but there are still a number of maerials that show problems.
Date: June 1, 1994
Creator: MacFarlane, R. E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Engineering and physics considerations for a linear theta-pinch hybrid reactor (LTPHR)

Description: A fusion-fission hybrid reactor based on pulsed, high-..beta.., linear theta-pinch magnetic confinement is considered. A preliminary design which incorporates key physics, engineering and economic considerations is presented. An extensive presentation of the system energy balance is made, and this energy balance is evaluated parametrically. The feasibility of end-loss reduction is addressed.
Date: January 1, 1976
Creator: Krakowski, R. A.; Miller, R. L. & Hagenson, R. L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Energy Balance Bowen Ratio Station (EBBR) Handbook

Description: The energy balance Bowen ratio (EBBR) system produces 30-minute estimates of the vertical fluxes of sensible and latent heat at the local surface. Flux estimates are calculated from observations of net radiation, soil surface heat flux, and the vertical gradients of temperature and relative humidity (RH). Meteorological data collected by the EBBR are used to calculate bulk aerodynamic fluxes, which are used in the Bulk Aerodynamic Technique (BA) EBBR value-added product (VAP) to replace sunrise… more
Date: February 23, 2011
Creator: Cook, DR
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Geospatial and Contextual Approaches to Energy Balance and Health

Description: This article examines associations between geographic and contextual features of the environment and elements of human energy balance, with a particular focus on research and opportunities in the United States.
Date: March 13, 2015
Creator: Berrigan, David; Hipp, J. Aaron; Hurvitz, Philip M.; James, Peter; Jankowska, Marta M.; Kerr, Jacqueline et al.
Item Type: Refine your search to only Article
Partner: UNT College of Arts and Sciences
open access

Energy balance in laser-irradiated vaporizing droplets

Description: We analyze the interactions of atmospheric aerosols with a high-energy laser beam. The energy balance equation allows us to compute the conversion of the pulse energy into temperature increase, vaporization, conduction, and convection. We also include the shrinkage term whose significance has recently been discussed by Davies and Brock.
Date: September 8, 1987
Creator: Zardecki, A. & Armstrong, R.L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Systems-design and energy-balance considerations for impact fusion

Description: Areas of concern and potential problems for impact fusion are qualitatively considered within an overall systems context. A parametric and qualitative description of the general energy balance and systems considerations for an Impact Fusion Reactor (IFR) design is discussed. Reactor systems design considerations for an IFR are presented. An attempt to assess the IFR viability is made based on highly simplified but limiting projectile-target energy balances and thermonuclear burn models. (SPH)
Date: January 1, 1979
Creator: Krakowski, R. A. & Miller, R. L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Surface energy balances of three general circulation models: Current climate and response to increasing atmospheric CO{sub 2}

Description: The surface energy balance simulated by state-of-the-art general circulation models at GFDL, GISS and NCAR for climates with current levels of atmospheric CO{sub 2} concentration (control climate) and with twice the current levels. The work is part of an effort sponsored by the US Department of Energy to assess climate simulations produced by these models. The surface energy balance enables us to diagnose differences between models in surface temperature climatology and sensitivity to doubling … more
Date: April 1, 1988
Creator: Gutowski, W. J.; Gutzler, D. S.; Portman, D. & Wang, W. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Applications of Sunphotometry to Aerosol Extinction and Surface Anisotropy

Description: Support cost-sharing of a newly developed sunphotometer in field deployment for aerosol studies. This is a cost-sharing research to deploy a newly developed sun-sky-surface photometer for studying aerosol extinction and surface anisotropy at the ARM SGP, TWP, and NSA-AAO CART sites and in many field campaigns. Atmospheric aerosols affect the radiative energy balance of the Earth, both directly by perturbing the incoming/outgoing radiation fields and indirectly by influencing the properties/proc… more
Date: September 30, 2002
Creator: Tsay, S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Mass and energy balance constraints on the biological production of chemicals from coal

Description: Several organic chemicals, including methane and ethanol, may be produced by the bioprocessing of coal. This may be done either by direct microbial attack on the coal, or indirectly by the bioprocessing of solubilized coal. As in chemical liquefaction and gasification, the relative amounts of the various products that can be produced are severely constrained by mass and energy balance considerations. The main differences in biological processing are that water is a ubiquitous reactant, carbon d… more
Date: January 1, 1990
Creator: Andrews, G.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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