NASA NTRS · 19890000142
Miniature Centrifugal Compressor
Abstract
Miniature turbocompressor designed for reliability and long life. Cryogenic system includes compressor, turboexpander, and heat exchanger provides 5 W of refrigeration at 70 K from 150 W input power. Design speed of machine 510,000 rpm. Compressor has gas-lubricated journal bearings and magnetic thrust bearing. When compressor runs no bearing contact and no wear.
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Sixsmith, Herbert. 1989-03-01. Miniature Centrifugal Compressor. https://ntrs.nasa.gov/citations/19890000142
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