Effects were studied using fin stabilized hollow tube models in free flight; test Mach numbers were between 2.8 and 7 with unit Reynolds number of 3 million per in.; transition Reynolds number was found to increase with Mach number throughout range tested; roughness required to influence transition increased with Mach number.
Boundary-layer transition on hollow cylinders in supersonic free flight as affected by Mach number and screw-thread type of surface roughness
NASA -- Memo
National Aeronautics and Space Administration -- Memorandums ; Memo 1-20-59A
1959
49 pages
Report
Englisch
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