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Transient Analysis of X-34 Pressurization SystemTwo transient operational modes of the X-34 pressurization system were analyzed using the ROCket Engine Transition Simulation (ROCETS) program. The first operational mode considers the normal operation. For the engine burn period, the required helium mass and pressure of each propellant tank were calculated. In the second case, the possibility of failure of the pressurization system solenoid valves, its consequence on the over-pressurization, and simultaneous operation of pressurization and vent/relief systems were evaluated.
Document ID
19990009082
Acquisition Source
Marshall Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Hedayat, A. (Sverdrup Technology, Inc. Huntsville, AL United States)
Knight, K. C. (Sverdrup Technology, Inc. Huntsville, AL United States)
Champion, R. H., Jr. (NASA Marshall Space Flight Center Huntsville, AL United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1998
Subject Category
Spacecraft Design, Testing And Performance
Meeting Information
Meeting: PERC Annual Propulsion Symposium
Location: Huntsville, AL
Country: United States
Start Date: October 26, 1998
End Date: October 27, 1998
Funding Number(s)
CONTRACT_GRANT: NAS8-40836
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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