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Cryogenic Propellant Densification StudyGround and vehicle system requirements are evaluated for the use of densified cryogenic propellants in advanced space transportation systems. Propellants studied were slush and triple point liquid hydrogen, triple point liquid oxygen, and slush and triple point liquid methane. Areas of study included propellant production, storage, transfer, vehicle loading and system requirements definition. A savings of approximately 8.2 x 100,000 Kg can be achieved in single stage to orbit gross liftoff weight for a payload of 29,484 Kg by utilizing densified cryogens in place of normal boiling point propellants.
Document ID
19790004067
Acquisition Source
Headquarters
Document Type
Contractor Report (CR)
Authors
Ewart, R. O. (Martin Marietta Corp. Denver, CO, United States)
Dergance, R. H. (Martin Marietta Corp. Denver, CO, United States)
Date Acquired
September 3, 2013
Publication Date
November 1, 1978
Subject Category
Propellants And Fuels
Report/Patent Number
NASA-CR-159438
MCR-78-586
Accession Number
79N12238
Funding Number(s)
CONTRACT_GRANT: NAS3-21014
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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