NASA NTRS · 19930065642
Liquid hydrogen and liquid oxygen feedline passive recirculation analysis
Abstract
During the National Launch System design phase, a computer code (FEEDLINE) was written to analyze the feasibility of using passive recirculation propellant conditioning for the LH2 and LO2 feed systems. The FEEDLINE code was employed to provide temperature profiles to the STME design team. The team used the temperature profiles to determine if the required Space Transportation Main Engine net positive suction pressure was met. One desired outcome of the LH2 testing was to determine if modifications are required for the FEEDLINE code. The initial LN2 calibration tests indicate that the environmental heat into the system decreases with increasing heater input.
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Holt, Kimberly A., Cleary, Nicole L., Nichols, Andrew J., Perry, Gretchen L. E.. 1993-01-01. Liquid hydrogen and liquid oxygen feedline passive recirculation analysis. https://ntrs.nasa.gov/citations/19930065642
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