The Design and Development of a Vapor Compression Refrigerator/Freezer for Spacelab

Abdul Hye

doi:10.4271/831091

1983-07-11

The Design and Development of a Vapor Compression Refrigerator/Freezer for Spacelab 831091

A computer simulation was performed to determine the design criteria for a spacelab refrigerator/freezer using the test results of a vapor compression refrigerator/freezer which flew on STS-4 without problem. It has been established to have a vapor Reynolds number over 3000 at a vapor quality of 0.2 to maintain annular boiling in the evaporator and for the condenser to have a vapor Reynolds number over 15000 at its inlet to maintain annular condensation. These two constraints will virtually eliminate the effect of gravity on the performance of the refrigerator/freezer. These results are being used to build a refrigerator/freezer which will fly in Spacelab-4 scheduled for launch in December 1985.

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The Design and Development of a Vapor Compression Refrigerator/Freezer for Spacelab 831091

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