한국해양공학회:학술대회논문집 (Proceedings of the Korea Committee for Ocean Resources and Engineering Conference)
- 한국해양공학회 2004년도 학술대회지
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- Pages.222-228
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- 2004
회전하는 원형 주상체 주위의 층류 유동장의 수치 시뮬레이션
Numerical Simulation on Laminar Flow past a Rotating Circular Cylinder
- MooN JIN-KooK (Dept. of NAOE, Pusan National University) ;
- PARK JONG-CHUN (Dept. of NAOE, Pusan National University) ;
- YOON HYUN-SIK (Dept. of NAOE, Pusan National University) ;
- CHUN HO-HWAN (Dept. of NAOE, Pusan National University)
- 발행 : 2004.05.01
초록
The effects of rotation on the unsteady laminar flow past a circular cylinder is numerically investigated in the present study. We obtained the numerical solutions for unsteady two-dimensional governing equation for the flow using two different numerical schemes. One is an accurate spectral method and another is finite volume method. Above all, the flow around a stationary circular cylinder is investigated to understand the basic phenomenon of flow separation, bluff body wake. Also, the validation of our own codes, expecially based on FVM, is carried out by the comparison of results obtained from our simulations using two different schemes and previous numerical and experimental studies. By the effect of rotation, the mean lift increases and drag deceases, which well represent the previous study.
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