Nose of model had surface roughness of 2 to 5 μin. as measured with interferometer; comparison with results from rougher models indicated that high degree of polish was instrumental in delaying transition from laminar to turbulent flow.
Heat transfer and boundary-layer transition on highly polished hemisphere-cone in free flight at mach numbers up to 3.14 and Reynolds numbers up to 24×106
NASA -- Tech Note
1961
26 pages
Report
English
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