Small leaks in vacuum lines are detected by applying liquid-crystal coating, warming suspected area, and observing color change due to differential cooling by leak jet. Technique is used on inside or outside walls of vacuum-jacketed lines.
Rapid leak detection with liquid crystals
NASA Tech Briefs ; 3 , 1
1978-06-01
Miscellaneous
No indication
English
LEAK DETECTION MEANS LEAK DETECTION SYSTEM AND ENGINE HAVING THE SAME FOR LIQUID SUPPLY LINE
European Patent Office | 2024
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