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Published February 1968 | Published
Journal Article Open

Transient rocket-engine gas flow in soil


As a result of an examination of the behavior of soils subjected to rocket and jet exhaust gases. it was concluded that the gas pressure in the pores of the soil played an important part in the process of soil removal which occurred. Consequently, a numerical study of axially symmetric isothermal nonlinear gas flow ill a porous medium was undertaken. The paper presents the results and interpretations of the calculations for the particular boundary pressure conditions developed by a Surveyor spacecraft vernier engine mounted 12 in, above a granular material.

Additional Information

© 1968 AIAA. Received February 20, 1967; revision received July 2 , 1967. The analytical work described in this paper was supported under California Institute of Technology, Jet Propulsion Laboratory, Engineering Contract 69811.

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