An experimental program was conducted in the M = 3.75 wind tunnel of the polytechnic institute of Brooklyn aerodynamics laboratory to determine the effect of centrifugal forces on boundary layer transition for a highly heated body.nThe model used in this investigation was a hemispheric ally blunted 20° half-angle cone having a density ratio (external of the boundary layer to wall) of approximately four along the conical region, and a maximum centripetal acceleration at the center line of the model of 300 g's. The free stream Reynolds number per foot range over which the tests were conducted was 22.2 to 51.9x10 s.
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