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2004 DOE Hydrogen, Fuel Cells & Infrastructure Technologies Program Review Presentation COST AND PERFORMANCE ENHANCEMENTS FOR A PEM FUEL CELL TURBOCOMPRESSOR

The objective is to assist the Department of Energy in the development of a low cost, reliable and high performance air compressor/expander. Technical Objective 1: Perform a turbocompressor systems PEM fuel cell trade study to determine the enhanced turbocompressor approach. Technical Objective 2: Using the results from technical objective 1, an enhanced turbocompressor will be fabricated. The design may be modified to match the flow requirements of a selected fuel cell system developer. Technical Objective 3: Design a cost and performance enhanced compact motor and motor controller. Technical Objective 4: Turbocompressor/motor controller development.
Date: April 1, 2004
Creator: Gee, Mark K.
System: The UNT Digital Library

Analysis of Fuel Cell Vehicles Hybridization and Implications for Energy Storage Devices

Presents an analysis of hybridization and implications energy storage devices concerning fuel cell vehicles.
Date: June 1, 2004
Creator: Zolot, M.; Markel, T. & Pesaran, A.
System: The UNT Digital Library

Applications of Radioisotopes in Modern Life

This presentation discusses applications of radioisotopes in modern life.
Date: October 3, 2004
Creator: Waltar, Alan
System: The UNT Digital Library

Bone-Localizing Electron-Emitting Therapeutic Radiopharmaceuticals

This presentation discusses bone-localizing electron-emitting therapeutic radiopharmaceuticals.
Date: October 5, 2004
Creator: Srivastava, S.C.
System: The UNT Digital Library

''Changes in Nuclear Engineering Education''

This presentation discusses the changes in nuclear engineering education.
Date: October 3, 2004
Creator: Gutteridge, J.
System: The UNT Digital Library

Comparison of up-scaling methods in poroelasticity and its generalizations

None
Date: June 11, 2004
Creator: Berryman, James G.
System: The UNT Digital Library

Controlled Hydrogen Fleet and Infrastructure Demonstration and Validation Project

This presentation, which provides information on the Controlled Hydrogen Fleet and Infrastructure Demonstration and Validation Project, was given at the Fuel Cell Seminar in November 2004.
Date: November 1, 2004
Creator: Garbak, J.; Gronich, S.; Wipke, K. & Welch, C.
System: The UNT Digital Library

Cultural Resources Program Update

None
Date: December 1, 2004
Creator: Bishop, L.
System: The UNT Digital Library

Current Research in Wireless at UNT

This presentation discusses wireless networks, access point selections, traffic balancing, multi-cell CDMA, user distribution modeling, and call admission control.
Date: October 2004
Creator: Akl, Robert G.
System: The UNT Digital Library

Determining the Feasibility of Using Synchronous Collaborative Distributed Learning for Radiation Protection Training

None
Date: June 17, 2004
Creator: Sprague, D. D. & Basore, J.
System: The UNT Digital Library

Development of chromium-tungsten alloys

Cr alloys containing 0-30 weight % W were investigated for their high temperature strength and oxidation resistance. These experimental alloys are intended for use in elevated temperature applications. Alloys were melted in a water-cooled, copper-hearth arc furnace. Microstructure of the alloys was studied using X-ray diffraction, scanning electron microscopy, and light microscopy. Meyer and Vickers hardness tests were utilized for measuring room temperature strength. A hot hardness tester with a spherical ruby indenter was used to study the strength of these materials between 800ºC and 1200ºC. A parabolic relationship was observed between load and indent size at all temperatures. On the other hand, decrease in hardness of the alloys with temperature was linear up to 1200ºC.
Date: March 1, 2004
Creator: Dogan, Omer N.; Alman, David E. & Hawk, Jeffrey A.
System: The UNT Digital Library

Diffusive Conductance for Bifurcation of Diffusive Flux From a Single Continuum to a Dual Continuum

None
Date: October 12, 2004
Creator: Lord, M.; Sevougian, S. & Mehta, S.
System: The UNT Digital Library

The Economic Future of Nuclear Power

This presentation discusses the economic future of nuclear power.
Date: October 5, 2004
Creator: Tolley, G.S. & Jones, D.W.
System: The UNT Digital Library

Effect of Nitrate on the Repassivation Potential of Alloy 22 in Chloride Containing Environments

None
Date: August 16, 2004
Creator: Elayat, H.; Gordon, S.; King, K.; Gdowski, G. & Summers, T.
System: The UNT Digital Library

Enhancing the Safety and Security of Radioactive Sources

This presentation discusses enhancing the safety and security of radioactive sources.
Date: October 4, 2004
Creator: Hickey, J.
System: The UNT Digital Library

EPA's Radioactive Source Program

This presentation discusses the U.S. Environmental Protection Agency's (EPA) Radioactive Source Program.
Date: October 4, 2004
Creator: Kopsick, D.
System: The UNT Digital Library

External Costs Associated to Electricity Generation Options in Brazil

This presentation discusses external costs associated with electricity generation options in Brazil.
Date: October 3, 2004
Creator: Jacomino, V. M. F.; Arrone, I. D.; Albo, J.; Grynberg, S. & Spadaro, J.
System: The UNT Digital Library

Factors Controlling In Situ Uranium and Technetium Bioreductionat the NABIR Field Research Center

This research hypotheses is: (1) Indigenous microorganisms in the shallow aquifer at the FRC have the capability to reduce U(VI) and Tc(VII) but rates are limited by--Scarce electron donor, Low pH and potentially toxic metals, and High nitrate. (2) U(VI) and Tc(VII) reduction rates can be increased by--Successive donor additions, Raising pH to precipitate toxic metals, and Adding humics to complex toxic metals and serve as electron shuttles.
Date: March 17, 2004
Creator: Istok, J.; Jones, J.; Park, M.; Sapp, M.; Selko, E.; Laughman, R. et al.
System: The UNT Digital Library

Field scale evaluation of biostimulation in the near source zone of the former S3 ponds at Oak Ridge

The primary objective of this report is to evaluate the rates and mechanisms of U(VI) reduction by microbial populations.
Date: March 17, 2004
Creator: Criddle, Craig; Fendorf, Scott; Brandt, Craig; Brooks, Scott; Hubbard, Susan; Williams, Ken et al.
System: The UNT Digital Library

Finite element analysis of unanchored structures subjected to seismic excitation

None
Date: March 29, 2004
Creator: Mastilovic, S.
System: The UNT Digital Library

Gain Issues for Fast Ignition

None
Date: May 26, 2004
Creator: Tabak, M & Callahan, D
System: The UNT Digital Library

Geobacter Project

Analysis of the Genetic Potential and Gene Expression of Microbial Communities Involved in the In Situ Bioremediation of Uranium and Harvesting Electrical Energy from Organic Matter The primary goal of this research is to develop conceptual and computational models that can describe the functioning of complex microbial communities involved in microbial processes of interest to the Department of Energy. Microbial Communities to be Investigated: (1) Microbial community associated with the in situ bioremediation of uranium-contaminated groundwater; and (2) Microbial community that is capable of harvesting energy from waste organic matter in the form of electricity.
Date: March 17, 2004
Creator: Lovley, Derek; Coppi, Maddalena; Ciufo, Stacy; Methe, Barbara; Pablo, Pomposiello; Sandler, Steve et al.
System: The UNT Digital Library

Global versus Local Call Admission Control in CDMA Cellular Networks [Presentation]

This presentation discusses interference model impacts on capacity, global call admission controls, local call admission controls, and the differences in global versus local call admission controls.
Date: July 2004
Creator: Akl, Robert G. & Parvez, Asad
System: The UNT Digital Library

Hydrogen: Adding Value and Flexibility to the Nuclear Power Industry

The objective of this study was to assess potential synergies between the hydrogen economy and nuclear energy options. Specifically: to provide a market analysis of advanced nuclear energy options for hydrogen production in growing hydrogen demand; to conduct an impact evaluation of nuclear-based hydrogen production on the economics of the energy system, environmental emissions, and energy supply security; and to identify competing technologies & challenges to nuclear options.
Date: October 4, 2004
Creator: Lee, J.; Bhatt, V.; Friley, P.; Horak, W. & Reisman, A.
System: The UNT Digital Library