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Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..608..197n&link_type=abstract
SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM- STAIF 2002. Conference on Thermophyiscs in Microgravity; Conference on In
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Cryogenics, Refrigerators, Low-Temperature Detectors, And Other Low-Temperature Equipment, Heat Flow In Multiphase Systems
Scientific paper
The authors propose a concept of a two-phase heat transfer system for a cryogenic application that is potentially very simple and reliable, does not require complicated start-up procedures and will not suffer from instability problems during operation. The main problem of extending the range of capillary two-phase system to cryogenic temperatures is the start-up from the supercritical conditions of the working fluid. Different designs are addressing this problem differently. The Multi-Modular Thermal Device (MMTD) employs a capillary pump that is located in the coldest zone of the two-phase heat transfer system. The pump circulates the fluid through a cold plate where the heat from the payload is absorbed. The authors recently published the principles of operation; the device can help resolve the start-up problem and support the operation at cryogenic temperatures in a simple and reliable way. .
Bienert Walter B.
Nikitkin Michael N.
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