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The multistage heat pipe radiator - An advancement in passive cooling technologyMathematical models were developed for one-, two-, and three-stage radiator systems to determine optimum stage areas and system performance as a function of such parameters as insulation effectiveness, cold stage temperature, and heat load to the cold and intermediate stages. This study shows that multistage radiator systems can be optimized on the basis of weight or projected area, and that cold stage temperatures as low as 15 K are theoretically possible with present technology levels for insulation emittance. For the baseline design, analyses were performed to determine optimum radiator fin geometry and heat pipe spacing as a function of temperature, material properties, and heat pipe weight. In addition, a ground test system was designed for the baseline design with heat rejection requirements of 10 MW at 35 K on the cold stage and 100 MW at the second stage.
Document ID
19770054419
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Wilson, D. E.
(Rockwell International Corp. Downey, CA, United States)
Wright, J. P.
(Rockwell International Corp. Downey, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
June 1, 1977
Subject Category
Fluid Mechanics And Heat Transfer
Report/Patent Number
AIAA PAPER 77-760
Meeting Information
Meeting: Thermophysics Conference
Location: Albuquerque, NM
Start Date: June 27, 1977
End Date: June 29, 1977
Sponsors: American Institute of Aeronautics and Astronautics
Accession Number
77A37271
Funding Number(s)
CONTRACT_GRANT: NAS8-31324
Distribution Limits
Public
Copyright
Other

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