Incorporating intrinsic compressibility effects in velocity transformations for wall-bounded turbulent flows
A.M. Hasan (TU Delft - Energy Technology)
Johan Larsson (University of Maryland)
Sergio Pirozzoli (Sapienza University of Rome)
R Pecnik (TU Delft - Energy Technology)
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Abstract
A transformation that relates a compressible wall-bounded turbulent flow with nonuniform fluid properties to an equivalent incompressible flow with uniform fluid properties is derived and validated. The transformation accounts for both variable-property and intrinsic compressibility effects, the latter being the key improvement over the current state of the art. The importance of intrinsic compressibility effects contradicts the renowned Morkovin's hypothesis.