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Developments in low-gravity cryogenic propellant acquisition and thermal control systemsDevelopment programs are described for two low-gravity cryogenic propellant acquisition systems: a full-screen liner system, and a refillable start-tank. First, based on experimental LH2 screen flow data, the fluid-dynamic characteristics of an integrated screen/thermodynamic vent system were analyzed for a design compared to 17.5 cu fg supercritical life-support systems, and for a Tug orbital LH2/LQ2 resupply system. Second, the analysis, design, fabrication, and test of a 10 cu ft, annular-screen start-tank with a wall-mounted thermodynamic vent was performed. The test program demonstrated that the system expelled LH2 against 1-g and performed properly over a range of conditions.
Document ID
19750030750
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Cady, E. C.
Blackmon, J. B.
(McDonnell Douglas Astronautics Co. Huntington Beach, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
October 1, 1974
Subject Category
Spacecraft Design, Testing And Performance
Report/Patent Number
MDAC-WD-2461
AIAA PAPER 74-1155
Meeting Information
Meeting: American Institute of Aeronautics and Astronautics and Society of Automotive Engineers, Propulsion Conference
Location: San Diego, CA
Start Date: October 21, 1974
End Date: October 23, 1974
Sponsors: Society of Automotive Engineers, American Institute of Aeronautics and Astronautics
Accession Number
75A14822
Funding Number(s)
CONTRACT_GRANT: NAS3-17801
CONTRACT_GRANT: NAS8-27571
CONTRACT_GRANT: NAS3-15846
Distribution Limits
Public
Copyright
Other

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