ShareLiquid-vapour surface sensors for liquid nitrogen and hydrogen.
Author(s) : SIEGWARTH J. D., VOTH R. O., SNYDER S. M.
Type of article: Article
Summary
Tests of resistance thermometers as liquid-vapour interface sensors for liquid hydrogen and liquid nitrogen showed that most could be made to detect the liquid surface, but a tiny silicon sensor developed at NASA Goddard Space Flight Center gave the fastest response. Tests of a commercial optical surface sensor and two modified versions of it showed that optical sensors can reliably and rapidly detect the liquid-vapour interface of both hydrogen and nitrogen.
Details
- Original title: Liquid-vapour surface sensors for liquid nitrogen and hydrogen.
- Record ID : 1993-1920
- Languages: English
- Source: Cryogenics - vol. 32 - n. 2
- Publication date: 1992
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