FIELD: space engineering. SUBSTANCE: air supply has high-pressure compressed-air receivers communicating through reducer with feed pipeline. The latter communicates with space vehicle through thin- walled pipeline joined by means of on-board connector. Electric heater is made in the form of heat-insulating case filled with liquid antifreeze. Case accommodates coaxially mounted coils connected to feed pipeline; tubular electric heaters of different power are placed in annular gap between coils. The latter are made of stainless steel; ratio of outer diameters of turns of external and internal coils is 1.3-2.0; ratio of total length of coils to inner diameter of coil is between 2000 and 4000. EFFECT: provision for maintaining desired temperature of space vehicle. 2 cl, 3 dwg, 2 tbl
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Authors
Dates
1999-08-27—Published
1998-01-05—Filed