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Research Reports and Memoranda

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 1 November 1940



The distributions of mean velocity U in the turbulent How of a fluid flowing under pressure through a straight pipe of annular cross‐section is calculated on the basis of the similarity theory of turbulence, assuming that the mean motion is steady and symmetrical about the axis of the pipe. Both the T and the M theories arc employed. Remembering that the dU/dr changes its sign at the position of maximum mean velocity, the annular region is divided into two regions, i.e., the inner and the outer, and these two regions are treated separately.


(1940), "Research Reports and Memoranda", Aircraft Engineering and Aerospace Technology, Vol. 12 No. 11, pp. 337-337.




Copyright © 1940, MCB UP Limited

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