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논문 기본 정보

자료유형
학술저널
저자정보
Einkeun Kwak (INHA University) Namhun Lee (INHA University) Seungsoo Lee (INHA University) Sang-il Park (LG Electronics)
저널정보
한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.13 Number.3
발행연도
2012.9
수록면
307 - 316 (10page)

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초록· 키워드

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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 k-ω SST turbulence models as well as Coakley’s q-ω model are incorporated into the CFD code. Menter’s k-ω 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 3<SUP>rd</SUP> 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 2<SUP>nd</SUP> 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 k-ω SST turbulence model variations are compared with one another.

목차

Abstract
Nomenclature
1. Introduction
2. Numerical methods
3. Computational results
4. Concluding Remarks
References

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