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U.S. Department of Energy
Office of Scientific and Technical Information

Construction and testing of ceramic fabric heat pipe with water working fluid

Conference ·
OSTI ID:6190056

A 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-{mu}m stainless steel linear covered by a biaxially-braided Nextel (trademark of the 3M Co., St. Paul Minnesota) sleeve that is approximately 300-{mu}m 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. 2 refs., 3 figs., 1 tab.

Research Organization:
Pacific Northwest Lab., Richland, WA (USA)
Sponsoring Organization:
DOE/NE
DOE Contract Number:
AC06-76RL01830
OSTI ID:
6190056
Report Number(s):
PNL-SA-18805; CONF-910116--16; ON: DE91006716
Country of Publication:
United States
Language:
English