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Power Conversion and Heat Rejection:
GRC is conducting technology development
in three critical areas of Power Conversion – Brayton Cycle conversion,
Heat Rejection, and Power system materials research. Under Brayton Conversion,
the work is focused on developing and verifying operation of the electrical
alternator, bearings, and integration of the power generation system
with the spacecraft electric propulsion system. The Heat Rejection activity
includes materials compatibility research for heat pipes and their working
fluids and radiator panel materials selection and bonding. A Materials
program is investigating the compatibility between refractory metals
and super-alloys, welding/joining of refractory metals to super-alloys,
and determining long-term creep properties of high temperature materials.
For additional info about the power conversion and heat rejection work,
contact Steve Johnson or visit http://www.grc.nasa.gov/WWW/tmsb/.
More information on the vacuum facility is available at http://www.grc.nasa.gov/WWW/tmsb/dynamicpower/doc/tank6.html. |
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