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Performance Evaluation of Two-Equation Turbulence Models for 3D Wing-Body Configuration
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 Title & Authors
Performance Evaluation of Two-Equation Turbulence Models for 3D Wing-Body Configuration
Kwak, Ein-Keun; Lee, Nam-Hun; Lee, Seung-Soo; Park, Sang-Il;
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 Abstract
Numerical simulations of 3D aircraft configurations are performed in order to understand the effects of turbulence models on the prediction of aircraft's aerodynamic characteristics. An in-house CFD code that solves 3D RANS equations and two-equation turbulence model equations are used. The code applies Roe's approximated Riemann solver and an AF-ADI scheme. Van Leer's MUSCL extrapolation with van Albada's limiter is also adopted. Various versions of Menter's SST turbulence models as well as Coakley's model are incorporated into the CFD code. Menter's SST models include the standard model, the 2003 model, the model incorporating the vorticity source term, and the model containing controlled decay. Turbulent flows over a wing are simulated in order to validate the turbulence models contained in the CFD code. The results from these simulations are then compared with computational results from the AIAA CFD Drag Prediction Workshop. Numerical simulations of the DLR-F6 wing-body and wing-body-nacelle-pylon configurations are conducted and compared with computational results of the AIAA CFD Drag Prediction Workshop. Aerodynamic characteristics as well as flow features are scrutinized with respect to the turbulence models. The results obtained from each simulation incorporating Menter's SST turbulence model variations are compared with one another.
 Keywords
Computational fluid dynamics;Turbulence models;Aerodynamic characteristics of an aircraft;
 Language
English
 Cited by
1.
ANALYSIS OF TURBULENT BOUNDARY LAYER FLOWS USING A TIME MARCHING METHOD, Journal of computational fluids engineering, 2015, 20, 1, 32  crossref(new windwow)
2.
COMPARISON OF TURBULENCE MODELS ON ANALYSIS OF AIRCRAFT CONFIGURATIONS AT TRANSONIC SPEED, Journal of computational fluids engineering, 2015, 20, 1, 47  crossref(new windwow)
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