NASA NTRS · 19720046531
Hydrogen density measurements using an open-ended microwave cavity.
Abstract
The density measurement of liquid hydrogen and two-phase mixtures of liquid and gaseous hydrogen is considered. This paper describes a complete prototype system that uses an open-ended microwave cavity for making dynamic density measurements of flowing hydrogen in a transfer line. The theory of operation along with test results for both the single- and two-phase cases are presented and discussed.
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Wenger, N. C., Smetana, J.. 1972-05-01. Hydrogen density measurements using an open-ended microwave cavity.. https://ntrs.nasa.gov/citations/19720046531
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