An investigation was conducted to examine the effect of a row of cylindrical surface dimples in reducing the heat load on a turbine blade leading edge model. The models consisted of a foam cylindrical leading edge with a flat afterbody fabricated from Plexiglass. A single coolant hole was located 21.5? from the leading edge, angled 20? to the surface and 90? from the streamwise direction. The leading edge diameter to ...
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