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Flow simulation in an elbow diffuser: verification and validation

Abstract : Numerical simulation of the unsteady turbulent flow in a three-dimensional draft tube geometry is performed. The investigation is carried out with a commercial finite volume solver implementing the Reynolds averaged Navier-Stokes equations. The modeling of most practically relevant turbulent flows continues to be based on this equation system. For this reason it is important to evaluate the limitations of this approach. Verification and validation are presented; detailed measurements are compared with computations over a wide range of operating conditions.
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Submitted on : Thursday, March 19, 2020 - 11:24:49 PM
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  • HAL Id : hal-00262263, version 1



Sebastiano Mauri, Jean-Louis Kueny, François Avellan. Flow simulation in an elbow diffuser: verification and validation. 21st IAHR Symposium on hydraulic machinery and systems, Sep 2002, Lausanne, Switzerland. pp.213-240. ⟨hal-00262263⟩



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