Construction and testing of ceramic fabric heat pipe with water working fluidA prototype ceramic fabric/titanium water heat pipe has been constructed and tested; it transported 25 to 80 W of power at 423 K. Component development and testing is continuing with the aim of providing an improved prototype, with a 38 micron stainless steel liner covered by a biaxially-braided Nextel (trademark) sleeve that is approximately 300 microns thick. This fabric has been tested to 800 K, and its emittance is about 0.5 at that temperature. Advanced versions of the water heat pipe will probably require a coating over the ceramic fabric in order to increase this emittance to the 0.8 to 0.9 range.
Document ID
19930029872
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Antoniak, Zenen I. (NASA Lewis Research Center Cleveland, OH, United States)
Webb, Brent J. (NASA Lewis Research Center Cleveland, OH, United States)
Bates, James M. (NASA Lewis Research Center Cleveland, OH, United States)
Cooper, Matthew F. (Battelle Pacific Northwest Labs. Richland, WA, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1991
Publication Information
Publication: In: Space nuclear power systems; Proceedings of the 8th Symposium, Albuquerque, NM, Jan. 6-10, 1991. Pt. 2 (A93-13751 03-20)