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Critical Flow Through Convergent Nozzles

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Publication date: 1 August 1951

Abstract

To the Editor. DEAR SIR, In the June issue of AIRCRAFT ENGINEERING, Mr V. D. Naylor rightly asserts that, according to one‐dimensional theory, the velocity at the throat of a Laval nozzle is the local sonic velocity, whether friction is present or not. However his proof rests on an expansion law pvn=constant, when n≠y, and the throat velocity which he obtains differs according to the value of n. Both the assumption and the conclusion are false. The confusion which has existed on this point is, therefore, deepened.

Citation

(1951), "Critical Flow Through Convergent Nozzles", Aircraft Engineering and Aerospace Technology, Vol. 23 No. 8, pp. 238-245. https://doi.org/10.1108/eb032068

Publisher

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MCB UP Ltd

Copyright © 1951, MCB UP Limited