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NASA NTRS · 19880003308

A cold ejector for closed-cycle helium refrigerators

Abstract

The test results are presented of an initial cold helium ejector design that can be installed on a closed cycle refrigerator to provide refrigeration at temperatures below 4.2 K. The ejector, test apparatus, instrumentation, and test results are described. Tests were conducted both at room temperature and at cryogenic temperatures to provide operational experience with the ejector as well as for future use in the subsequent design of an ejector that will provide refrigeration at temperatures below 3 K.

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BibTeXRIS

Johnson, D. L., Daggett, D. L.. 1987-11-15. A cold ejector for closed-cycle helium refrigerators. https://ntrs.nasa.gov/citations/19880003308

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