Other
Scientific paper
Mar 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1103...67c&link_type=abstract
SPACE, PROPULSION & ENERGY SCIENCES INTERNATIONAL FORUM: SPESIF-2009. AIP Conference Proceedings, Volume 1103, pp. 67-72 (2009)
Other
Testing In Microgravity Environments, Heat Engines, Heat Pumps, Heat Pipes, Lunar, Planetary, And Deep-Space Probes
Scientific paper
The continued development of computer processors, laser diodes and other high heat flux devices (>100 W/cm2) and their integration in space-bound and variable gravity systems necessitates advanced, compact and gravity-independent thermal management systems. Spray cooling has shown great promise in addressing these concerns, especially through the use of multi-spray arrays. The dependence on gravity has been investigated for single spray systems but not for spray arrays. A linear spray array was tested in both microgravity (~0 g) and enhanced gravity (~1.8 g) environments aboard NASA's DC-9 B reduced gravity laboratory. This study found the coolant flow rate to be the main determinant of the heat transfer coefficient while gravity was of little significance. The elimination of acceleration allowed the development of a simple relation between coolant flux and the heat transfer coefficient to aid the design of future ground and space-based thermal management systems.
Conrad Benjamin L.
McGill Lisa A.
Shedd Timothy A.
Springmann John C.
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