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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.3
- 수록면
- 57 - 63 (7page)
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This study performed numerical analysis for the characteristics of flow-induced forces and the flow instability depending on the cross-sectional shape of the cylinder in laminar flow. To implement the cylinder cross-section, we adopted an Immersed Boundary Method with marker particles. We analyzed flow characteristics based on the radius of corner curvature. Main parameters are corner radius and Reynolds number (Re). With Re= 40, 50, 150 we calculated the flow field, drag coefficient, RMS of lift coefficient, pressure coefficient and Strouhal number in conjunction with the corner radius variation. Also, we calculated critical Reynolds number (Re<SUB>c</SUB>) depending on the corner radius variation.
목차
1. 서론
2. 수치 해석 기법
3. 수치 해석 기법의 검증
4. 결과
5. 결론
References
참고문헌 (17)
참고문헌 신청
1. [학술지(정기간행물)] - Park, J. / 1998 / Numerical simulations of flow past a circular cylinder at Reynolds numbers up to 160 / KSME Int. J. 12 : 1200 ~ 1205
2. [학술지(정기간행물)] - Bearman, P.W. / 1984 / The influence of corner radius on the forces experienced by cylindrical bluff bodies in oscillatory flow / Appl. Ocean. Res. 6 : 83 ~ 89
3. [학술지(정기간행물)] - Dalton, C. / 2003 / Numerical solutions of a viscous uniform approach flow past square and diamond cylinders / J. Fluids Struct. 18 : 455 ~ 465
4. [학술지(정기간행물)] - Kim, D.H. / 2004 / Large eddy simulation of turbulent flow past a square cylinder confined in channel / Comput. Fluids 33 : 81 ~ 96
5. [학술지(정기간행물)] - Braza, M. / 1986 / Numerical study and physical analysis of the pressure and velocity fields in the near wake of a circular cylinder / J. Fluid Mech. 165 : 79 ~ 130
2. [학술지(정기간행물)] - Bearman, P.W. / 1984 / The influence of corner radius on the forces experienced by cylindrical bluff bodies in oscillatory flow / Appl. Ocean. Res. 6 : 83 ~ 89
3. [학술지(정기간행물)] - Dalton, C. / 2003 / Numerical solutions of a viscous uniform approach flow past square and diamond cylinders / J. Fluids Struct. 18 : 455 ~ 465
4. [학술지(정기간행물)] - Kim, D.H. / 2004 / Large eddy simulation of turbulent flow past a square cylinder confined in channel / Comput. Fluids 33 : 81 ~ 96
5. [학술지(정기간행물)] - Braza, M. / 1986 / Numerical study and physical analysis of the pressure and velocity fields in the near wake of a circular cylinder / J. Fluid Mech. 165 : 79 ~ 130
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