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A stop-restart solid propellant study with salt quenchExperiments were conducted to gain insight into the unsatisfactory performance of the salt quench system of solid propellants in earlier studies. Nine open-air salt spray tests were conducted and high-speed cinematographic coverage was obtained of the events. It is shown that the salt spray by the detonator is generally a two-step process yielding two different fractions. The first fraction consists of finely powdered salt and moves practically unidirectionally at a high velocity (thousand of feet per second) while the second fraction consists of coarse particles and moves randomly at a low velocity (a few feet per second). Further investigation is required to verify the speculation that a lower quench charge ratio (weight of salt/propellant burning area) than previously employed may lead to an efficient quench
Document ID
19760055249
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Kumar, R. N.
(California Institute of Technology, Jet Propulsion Laboratory, Propulsion Div., Pasadena Calif., United States)
Date Acquired
August 8, 2013
Publication Date
July 1, 1976
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
AIAA PAPER 76-699
Meeting Information
Meeting: Propulsion Conference
Location: Palo Alto, CA
Start Date: July 26, 1976
End Date: July 29, 1976
Sponsors: American Institute of Aeronautics and Astronautics and Society of Automotive Engineers
Accession Number
76A38215
Funding Number(s)
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Other

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