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2차원 지면효과에 대한 수치해석 기법 비교 연구Comparative Study on Numerical Analysis Methods on the 2D Ground Effect
- Other Titles
- Comparative Study on Numerical Analysis Methods on the 2D Ground Effect
- Issue Date
- 30-6월-2007
- Publisher
- 한국해양공학회
- Keywords
- Ground effect; Turbulent Flow Simulations; Potential analysis; Longitudinal static stability; Aerodynmic center
- Citation
- 한국해양공학회지, v.21, no.3, pp 16 - 25
- Pages
- 10
- Journal Title
- 한국해양공학회지
- Volume
- 21
- Number
- 3
- Start Page
- 16
- End Page
- 25
- Abstract
- A comparative study on the turbulent flow simulation and the potential flow analysis has been performed. A low Mach number preconditioned Navier-Stokes solver using the multi-block grid method and a panel method based on the velocity potential have been developed and validated by comparing with the experimental data. The present numerical analysis methods are applied to the ground effect problem around the NACA 4412 airfoil. It has been confirmed that the potential flow analysis on the ground effect using the image method shows in some degree consistent to the viscous calculations for high Reynolds number flows.
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