NASA NTRS · 19780000085
Thermal-leak analyzer for vacuum-jacketed lines
Abstract
Technique involves coating suspected area with water-soluble black paint that gives even, infrared emission. Painted area is warmed with heat gun; an infrared scanner is used to detect cooled spot on jacket exterior. Introduction of atmospheric pressure into jacket intensifies leak jet and improves test sensitivity.
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Heisman, R. M., Iceland, W. F., Ruppe, E. P.. 1978-06-01. Thermal-leak analyzer for vacuum-jacketed lines. https://ntrs.nasa.gov/citations/19780000085
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