Projects Completed
- Design and analysis of nuclear fuel storage facilities
- Thermophysical properties and swelling behavior of nitride and carbide fuels
- Coated particle fuel compact (CPFC) for use in radioisotope heater units (RHUs) and general purpose heat sources (GPHSs)
- Compatibility of hydrogen with carbide and structural materials at high temperatures
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- Analysis of core meltdown accidents and molten fuel-coolant interaction phenomena
- Nuclear fuel swelling and irradiation behavior during normal operation and severe accidents
- Debris bed coolability with application to post-accident heat removal
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- Flow visualization and modeling of transition from mixed convection to buoyancy-induced turbulence in vertical annuli
- Pool boiling and critical heat flux from underside of flat and curved surfaces with application to reactor vessel cooling in severe accidents
- Critical heat flux at low flow and low pressure
- Natural and mixed convection of water in multi-rod bundles and vertical annuli
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- Design, optimization, modeling, and analysis of space power systems
- SP-100
- TOPAZ-II
- Pellet Bed Reactor (PeBR) for thermal and electric propulsion missions
- Bimodal systems for electric power and thermal propulsion
- Heat Pipes - Segmented Thermoelectric Module Converters (HP-STMCs) space reactor power system
- Scalable AMTEC Integrated Reactor Space Power System (SAIRS)
- Design and analysis of SP-100 thermoelectric space power system
- Studies of void formation during the freezing of alkali metal coolants
- Design and analysis of TOPAZ-II thermionic space power systems
- Design and analysis of radiation shield and nuclear reactors for space missions and surface power
- Reactor design with high burnup capabilities
- Design of heat pipes-cooled fast spectrum reactors
- Design of heat pipes radiator for space reactor power systems
- Materials studies for use in space nuclear power systems
- i. Refractory metals
- ii. Mechanically Alloyed-Oxide Dispersion Strengthened Steels
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- Coated particle fuel compact (CPFC) for use in radioisotope heater units (RHUs) and general purpose heat sources (GPHSs)
- Vapor anode, multitube AMTEC cells for ARPSs
- SiGe/Skutterudites cascaded thermoelectrics for ARPSs
- Energy conversion options for ARPSs
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- Design, analysis and testing of multi-tube AMTEC cells for space and terrestrial energy applications
- Design and performance of high-power AMTEC units for space reactor power systems
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- High temperature Skutterudites thermoelectrics
- Segmented thermoelectrics
- SiGe/Skutterudites cascaded thermoelectrics for ARPSs
- Performance tests of Skutterudite and Segmented thermoelectric converters
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- Development of grooved thermionic electrodes for high power density
- Experimental testing and modeling of the operation of low pressure Cs-Ba tacitron with application to temperature and nuclear radiation power conditioning
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- Experimental and modeling of the transient operation of heat pipes including the start-up from a frozen state
- Design, performance and operation limits of heat pipes, including the start-up from frozen state
- Design and testing of low temperature heat pipes
- Design, performance and operation limits of thermosyphons
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- Boiling heat transfer experiments and correlations
- Microlayer evaporation and its effect on nucleate boiling heat transfer
- Flow visualization and high-speed bubble motion studies near critical heat flux
- Effect of material properties and curvature on pool boiling from downward-facing curved surfaces in saturated and subcooled water
- Boiling of dielectric fluids for electronic microchips cooling
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- Convection heat transfer experiments and correlations
- Natural convection and application to electronics cooling
- Marangoni convection and phase-change in microgravity
- Heat transfer in porous media and thermal energy storage modules
- Application of laser interferometry to flow visualization and heat transfer in natural convection of air
- Enhanced cooling using impinging and swirl air jets
- Natural convection of air at high temperatures
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- Interaction of colloids with gas/liquid interface
- Chemical reversibility of chemical reaction between colloids and contaminants
- Effect of pH and ionic strength on colloids stability
- Plasma hearth process and application to the treatment of mixed, chemical and radioactive waste
- Irreversibility of reactions between colloids and actinides at different cations concentrations
- Effect of subsurface colloids on hydraulic characteristics of porous media
- Applicability of filtration theory and correlations to shallow subsurface transport of colloids
- Attachment kinetics of colloids to gas bubbles in subsurface environment
- RF plasma for decontamination of transuranic elements
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- Interactions of High Energy Solar Protons with Potential Shielding Materials
- Displacement Damage Dose in Silicon with Different Shielding Materials
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