This paper describes a continuing experimental program in which the frequency and amplitude of turbulence in the mainstream flow over a cascade of turbine blades are separately and controllably varied. The effects of these two characteristics of the flow are demonstrated showing the significant effect of each upon the rates of convection to most of the blade surface. A correlation following the predictions of the theoretical work of reference [2] is shown to have some promise, although some modification is required to allow for changes in mainstream Reynolds number not accounted for by the usual normalizing procedure.

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