NDLI: Lox/hydrocarbon auxiliary propulsion system study

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Lox/hydrocarbon auxiliary propulsion system study

Content Provider	NASA Technical Reports Server (NTRS)
Author	Orton, G. F. Weber, D. D. Mark, T. D.
Copyright Year	1982
Description	Liquid oxygen (LOX)/hydrocarbon propulsion concepts for a "second generation' orbiter auxiliary propulsion system was evaluated. The most attractive fuel and system design approach identified, and the technology advancements that are needed to provide high confidence for a subsequent system development were determined. The fuel candidates were ethanol, methane, propane, and ammonia. Even though ammonia is not a hydrocarbon, it was included for evaluation because it is clean burning and has a good technology base. The major system design options were pump versus pressure feed, cryogenic versus ambient temperature RCS propellant feed, and the degree of OMS-RCS integration. Ethanol was determined to be the best fuel candidate. It is an earth-storable fuel with a vapor pressure slightly higher than monomethyl hydrazine. A pump-fed OMS was recommended because of its high specific impulse, enabling greater velocity change and greater payload capability than a pressure fed system.
File Size	7341806
Page Count	163
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19830016280
Archival Resource Key	ark:/13960/t3c01135k
Language	English
Publisher Date	1982-07-01
Access Restriction	Open
Subject Keyword	Spacecraft Propulsion And Power Pressure Dependence Pumps Systems Engineering Space Shuttles Liquid Oxygen Hydrocarbon Fuels Orbit Maneuvering Engine Space Shuttle Ethyl Alcohol Oxygen-hydrocarbon Rocket Engines Auxiliary Propulsion Propulsion System Configurations Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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