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Finite element analysis of two-dimensional turbulent asymmetric near and far non-periodic and periodic wakes by κ-∈ model of turbulence
N. Venkatrayulu
Published in American Society of Mechanical Engineers
1993
Volume: 3C
   
Abstract
Two dimensional time averaged, steady incompressible, adiabatic turbulent asymmetric near and far non-periodic and periodic wake flow problems are solved by Galerkin Finite Element Method. A primitive-variables formulation is adopted using Reynolds-averaged momentum equations, with standard κ-∈ turbulence model. Finite element equations are solved by Newton-Raphson technique with relaxation, using frontal solver. Periodic boundary condition is specified on the periodic lines of the cascade, and asymptotic boundary condition is specified at the exit. These boundary conditions are applied without much difficulty which are not so straight forward in finite volume (FV) method. The results show good agreement with FV prediction and experimental data. Copyright © 1993 by ASME.
About the journal
JournalASME 1993 International Gas Turbine and Aeroengine Congress and Exposition, GT 1993
PublisherAmerican Society of Mechanical Engineers
Open AccessYes
Concepts (13)
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    Boundary conditions
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    Gas turbines
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    Turbulence models
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    Wakes
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    Asymptotic boundary conditions
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    FINITE ELEMENT EQUATIONS
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    GALERKIN FINITE ELEMENT METHODS
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    Momentum equation
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    NEWTON-RAPHSON TECHNIQUES
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    Periodic boundary conditions
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    PRIMITIVE VARIABLES
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    Reynolds averaged
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    Finite element method