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Fuel Cell Turbocompressor
None
Date:
April 1, 2003
Creator:
Gee, Mark K.
System:
The UNT Digital Library
Solar Energy Technologies Contributing to a Robust Energy Infrastructure (viewgraphs only)
This paper provides a brief summary of the role that energy efficiency and renewable energy technologies can serve in strengthening our energy infrastructure. These technologies are commercially available today and are already deployed in many thousands of applications.
Date:
May 1, 2003
Creator:
Thornton, J. P.
System:
The UNT Digital Library
Current TES Capabilities in TRNSYS
This presentation includes: a brief overview of TRNSYS, a review of current SolarPaces models, potential of other models appropriate for CSP TES, and a review of a project proposal.
Date:
February 1, 2003
Creator:
Price, H. & Blair, N.
System:
The UNT Digital Library
Design, Construction and Operation Of A High Pressure Flow Loop Reactor For Carbon Sequestration
The Department of Energy’s Albany Research Center has been exploring the possibility of direct mineral carbonation as a means of sequestering carbon dioxide. As part of this research, a three-phase flow through reactor capable of operating at 200°C and 2500 psia was built. The reactor is a plug flow reactor with continuous and complete recycle. The results from this reactor may be used to design a larger and truly continuous flow reactor. This paper describes the design, construction and operation of this reactor. The extent of reaction, pressure drop across the pump and static mixers were measured at various test conditions. The extent of reaction was then compared to the results achievable in an autoclave.
Date:
November 1, 2003
Creator:
Gerdemann, Stephen J., Penner, Larry R.
System:
The UNT Digital Library
Experimental studies of electron effects in heavy-ion beams
None
Date:
February 1, 2003
Creator:
Molvik, A. W.; Baca, D.; Bieniosek, F. M.; Cohen, R. H.; Friedman, A.; Furman, M. A. et al.
System:
The UNT Digital Library
What's New Under the Sun: Recent Advances in Photovoltaic Technologies
This paper presents recent advances in photovoltaics.
Date:
February 25, 2003
Creator:
Thornton, John, P.
System:
The UNT Digital Library
Numerical Simulation of Premixed Turbulent Methane Combustion
With adaptive-grid computational methodologies and judicious use of compressible and low Mach number combustion models, we are carrying out three-dimensional, time-dependent direct numerical simulations of a laboratory-scale turbulent premixed methane burner. In the laboratory experiment, turbulence is generated by a grid located in the throat of a 50mm diameter circular nozzle; swirl is be introduced by four tangential air jets spaced uniformly around the circumference of the nozzle just above the turbulence grid. A premixed methane flame is stabilized above the nozzle in the central core region where a velocity deficit is induced7the swirling flow. The time-dependent flow field inside the nozzle, from the turbulence grid and the high-speed jets, to the nozzle exit plane is simulated using an adaptive-grid embedded-boundary compressible Navier-Stokes solver. The compressible calculation then provides time-dependent boundary conditions for an adaptive low Mach number model of the swirl-stabilized premixed flame. The low Mach model incorporates detailed chemical kinetics and species transport using 20 species and 84 reactions. Laboratory diagnostics available for comparisons include characterizations of the flow field just down stream of the nozzle exit plane, and flame surface statistics, such as mean location, wrinkling and crossing frequencies.
Date:
June 14, 2003
Creator:
Day, Marc S.; Bell, John B.; Almgren, Ann S.; Beckner, Vincent E.; Lijewski, Michael J.; Cheng, Robert et al.
System:
The UNT Digital Library
Overview on Use of a Molten Salt HTF in a Trough Solar Fiel\d
This presentation discusses the utilization of molten salt as the heat transfer fluid in a parabolic trough solar field to improve system performance and to reduce the levelized electricity.
Date:
February 1, 2003
Creator:
Kearney, D.; Kelly, B.; Cable, R.; Potrovitza, N.; Herrmann, U.; Nava, P. et al.
System:
The UNT Digital Library
Combinatorial Synthesis and Discovery of PEMFC Electrocatalysts on a Scaled Powder Production Platform
This report talks about Combinatorial Synthesis and Discovery of PEMFC Electrocatalysts on a Scaled Powder Production Platform
Date:
October 24, 2003
Creator:
Atanassova, Paolina; Bhatia, Rimple; Dericotte, David; Napolitano, Paul; Hampden-Smith, Mark & Kodas, Toivo
System:
The UNT Digital Library
Combinatorial Spray-Based Synthesis of PEM FC Electrocatalysts
This report talks about Combinatorial Spray-Based Synthesis of PEM FC Electrocatalysts
Date:
November 2, 2003
Creator:
Atanassova, Paolina; Bhatia, Rimple; Brewster, James; Dericotte, David; Gurau, Bogdan; Napolitano, Paul et al.
System:
The UNT Digital Library