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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.20 No.1
- 발행연도
- 2006.1
- 수록면
- 125 - 132 (8page)
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초록· 키워드
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To understand fluid dynamic forces acting on a structure subjected to two-phase flow, it is essential to get detailed information about the characteristics of two-phase flow. Stratified steady and unsteady two-phase flows between two parallel plates have been studied to investigate the general characteristics of the flow related to flow-induced vibration. Based on the spectral collocation method, a numerical approach has been developed for the unsteady two phase flow. The method is validated by comparing numerical result to analytical one given for a simple harmonic two-phase flow. The flow parameters for the steady two-phase flow, such as void fraction and two-phase frictional multiplier, are evaluated. The dynamic characteristics of the unsteady two-phase flow, including the void fraction effect on the complex unsteady pressure, are illustrated.
목차
Abstract
1. Introduction
2. Problem Formulations
3. Typical Results and Discussions
4. Conclusions
References
참고문헌 (15)
참고문헌 신청
Carlucci, L. N. and Brown, J. D., 1983, "Experimental Studies of Damping and Hydrodynamic Mass of a Cylinder in Confined Two phase Flow," Journal of Vibration, Acoustics, Stress, and Reliability in Design, Vol.105, pp.83~89.
Chung, H. and Chen, S. S., 1977, "Vibration of a Group of Circular Cylinders in a Confined Fluid," Journal of Applied Mechanics, Vol.44, pp.213~217.
Feenstra, P. A., Weaver, D. S. and Judd, R. L., 2000, "An Improved Void Fraction Model for Two-Phase Cross-Flow in Horizontal Tube Bundles," International Journal of Multiphase Flow, Vol.26, pp.1851~1873.
Fritz, R. J., 1972, "The Effect of Liquids on the Dynamic Motions of Immersed Solids," ASME Journal of Engineering for Industry, Vol.94, pp.167~173.
Hara, F. and Kohgo, O., 1986, "Numerical Approach to Added Mass and Damping of a Vibrating Circular Cylinder in a Two-phase Bubble Fluid," Proc. ICCM, Tokyo, Vol.2, pp.255~260.
Chung, H. and Chen, S. S., 1977, "Vibration of a Group of Circular Cylinders in a Confined Fluid," Journal of Applied Mechanics, Vol.44, pp.213~217.
Feenstra, P. A., Weaver, D. S. and Judd, R. L., 2000, "An Improved Void Fraction Model for Two-Phase Cross-Flow in Horizontal Tube Bundles," International Journal of Multiphase Flow, Vol.26, pp.1851~1873.
Fritz, R. J., 1972, "The Effect of Liquids on the Dynamic Motions of Immersed Solids," ASME Journal of Engineering for Industry, Vol.94, pp.167~173.
Hara, F. and Kohgo, O., 1986, "Numerical Approach to Added Mass and Damping of a Vibrating Circular Cylinder in a Two-phase Bubble Fluid," Proc. ICCM, Tokyo, Vol.2, pp.255~260.
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