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Published June 1957 | public
Journal Article

On generalized scaling procedures for liquid-fuel rocket engines


The scaling procedures of Penner and Tsien, of Crocco and of Barrère have been generalized by using the assumption that the mean drop size is proportional to the product of powers of the Weber number and the Reynolds number, together with the hypothesis that the total conversion time varies as a power (usually the second) of the drop diameter. The results obtained for the steady aero thermochemistry and for unstable motor operation (low-frequency and high-frequency oscillations) are shown to reduce to previously published rules when suitable simplifying assumptions are made.

Additional Information

© 1956 Elsevier. Received October 1956. Available online 8 August 2003. The work described in this paper was supported by the U.S. Air Force Office for Advanced Study, under Contract AF 18(603)-107 with the American Machine and Foundry Co. and Jet Propulsion Research. Inc.

Additional details

August 19, 2023
October 21, 2023