NASA NTRS · 20160006905
Total Hydrocarbon Content (THC) Testing in Liquid Oxygen (LOX)
Abstract
The measured Total Hydrocarbon Content (THC) levels in liquid oxygen (LOX) systems at Stennis Space Center (SSC) have shown wide variations. Examples of these variations include the following: 1) differences between vendor-supplied THC values and those obtained using standard SSC analysis procedures; and 2) increasing THC values over time at an active SSC test stand in both storage and run vessels. A detailed analysis of LOX sampling techniques, analytical instrumentation, and sampling procedures will be presented. Additional data obtained on LOX system operations and LOX delivery trailer THC values during the past 12-24 months will also be discussed. Field test results showing THC levels and the distribution of the THC's in the test stand run tank, modified for THC analysis via dip tubes, will be presented.
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Meneghelli, B. J., Obregon, R. E., Ross, H. R., Hebert, B. J., Sass, J. P., Dirschka, G. E.. 2016-01-01. Total Hydrocarbon Content (THC) Testing in Liquid Oxygen (LOX). https://ntrs.nasa.gov/citations/20160006905
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