NASA NTRS · 19800000548
Lightweight cryogenic vessel
Abstract
Thin cooling jacket of recirculating liquid nitrogen is contained by relatively thin walls. Nitrogen is maintained at slight positive pressure, unlike full atmospheric pressure of conventional Dewar design, eliminating need for evacuated insulating spaces and heavy-walled shells. Besides cryogenic applications, design keeps liquids hot when recirculating liquid hotter than nitrogen is used.
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Lewis, J. C.. 1981-04-01. Lightweight cryogenic vessel. https://ntrs.nasa.gov/citations/19800000548
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