Boundary-layer transition at Mach 3.12 with and without single roughness elements

Paul F. Brinich
Dec 1954

Temperatures were measured on the external surface of a straight hollow cylinder alined parallel to the air stress. The stream Mach number was 3.12, the Reynolds number varied between 1 X 10(exp 5) and 7 X 10(exp 5) per inch, and there was negligible heat transfer between the cylinder and the stream.

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