Incorporating intrinsic compressibility effects in velocity transformations for wall-bounded turbulent flows

Journal article (2023)

Authors

A.M. Hasan Energy Technology - Mechanical, Maritime and Materials Engineering
Johan Larsson University of Maryland
Sergio Pirozzoli Sapienza University of Rome
Rene Pecnik Energy Technology - Mechanical, Maritime and Materials Engineering
Research Group
Energy Technology (Mechanical, Maritime and Materials Engineering) (TU Delft)
Copyright: © 2023 A.M. Hasan, Johan Larsson, Sergio Pirozzoli, Rene Pecnik
DOI: https://doi.org/10.1103/PhysRevFluids.8.L112601
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Published Date

2023

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Process and Energy

Research Group

Energy Technology

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.