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High power densities from high-temperature material interactionsThermionic energy conversion (TEC) and metallic-fluid heat pipes (MFHPs), offering unique advantages in terrestrial and space energy processing by virtue of operating on working-fluid vaporization/condensation cycles that accept great thermal power densities at high temperatures, share complex materials problems. Simplified equations are presented that verify and solve such problems, suggesting the possibility of cost-effective applications in the near term for TEC and MFHP devices. Among the problems discussed are: the limitation of alkali-metal corrosion, protection against hot external gases, external and internal vaporization, interfacial reactions and diffusion, expansion coefficient matching, and creep deformation.
Document ID
19810054740
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Morris, J. F.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 11, 2013
Publication Date
June 1, 1981
Subject Category
Engineering (General)
Report/Patent Number
AIAA PAPER 81-1161
Meeting Information
Meeting: Thermophysics Conference
Location: Palo Alto, CA
Start Date: June 23, 1981
End Date: June 25, 1981
Sponsors: American Institute of Aeronautics and Astronautics
Accession Number
81A39144
Funding Number(s)
CONTRACT_GRANT: EC-77-A-31-1062
Distribution Limits
Public
Copyright
Other

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