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Tytuł artykułu
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Języki publikacji
Abstrakty
Computer simulations of the laminar flow past three-dimensional bluff bodies are presented. The focus is on the time-dependent wake flow behind linearly tapered circular cylinders and downstream of a circular cylinder with an abrupt change in diameter. In both cases the intricate vortex shedding phenomena observed in earlier laboratory experiments are convincingly reproduced by the computer experiments. The simulations moreover provide important supplementary information not readily accessible in the laboratory.
Rocznik
Tom
Strony
311--328
Opis fizyczny
Bibliogr. 16 poz., rys., tab., wykr.
Twórcy
autor
- Department of Applied Mechanics, Thermodynamics and Fluid Dynamics Norwegian University of Science and Technology, 7491 Trondheim, Norway
autor
- Department of Applied Mechanics, Thermodynamics and Fluid Dynamics Norwegian University of Science and Technology, 7491 Trondheim, Norway
autor
- Statoil R&D Centre, 7005 Tronheim, Norway
Bibliografia
- [1] Balasubramanian S. and Skop R.A. (2000): Vortex-excited vibrations of uniform pivoted cylinders in uniform and shear flow. - J. Fluids Struct., vol. 14, pp.65-85.
- [2] Coutanceau M. and Defaye J.-R. (1991): Circular cylinder wake configurations: a flow visualization survey. - Appl. Mech. Rev., vol.44, pp.255-305.
- [3] Eisenlohr H. and Eckelmann H. (1989): Vortex splitting and its consequences in the vortex street wake of cylinders at low Reynolds number. - Phys. Fluids, vol.Al, pp.189-192.
- [4] Gaster M. (1969): Vortex shedding from slender cones at low Reynolds numbers. - J. Fluid Mech., vol.38, pp.565-576.
- [5] Hsiao F.-B. and Chiang C.-H. (1998): Experimental study of cellular shedding vortices behind a tapered circular cylinder. - Exp. Therm. Fluid Sci., vol. 17, pp. 179-188.
- [6] Jenssen C.B. (1994): Implicit multiblock Euler and Navier-Stokes calculations. - AIAA J., vol.32, pp.1808-1814.
- [7] Jenssen C.B. and Weinerfelt P.A. (1995): Coarse grid correction scheme for implicit multiblock Euler calculations. - AIAA J., vol.33, pp. 1816-1821.
- [8] Jenssen C.B. and Weinerfelt P.A. (1998): Parallel implicit time-accurate Navier-Stokes computations using coarse grid correction. - AIAA J., vol.36, pp.946-951.
- [9] Jespersen D.C. and Levit C. (1991): Numerical simulation of flow past a tapered cylinder. - AIAA, Paper No.91-0751.
- [10] Lewis C.G. and Gharib M. (1992): An exploration of the wake three dimensionalities caused by a local discontinuity in cylinder diameter. - Phys. Fluids, vol.A4, pp. 104- 117.
- [11] Newman D.J. and Karniadakis G.E. (1997): A direct numerical simulation study of flow past a freely vibrating cable. - J. Fluid Mech., vol.344, pp.95-136.
- [12] Piccirillo P.S. and Van Atta C.W. (1993): An experimental study of vortex shedding behind linearly tapered cylinders at low Reynolds number. - J. Fluid Mech., vol.246, pp. 163-195.
- [13] Tutar M. and Hold0 A.E. (2000): Large eddy simulation of a smooth circular cylinder oscillating normal to a uniform flow. - J. Fluids Engng., ASME, vol. 122, pp.694-702.
- [14] Valles B., Jenssen C.B. and Andersson H.I. (2001): Three-dimensional numerical simulation of laminar flow past a tapered circular cylinder, In: Parallel Computational Fluid Dynamics-Trends and Applications (C.B. Jenssen et al., Eds.) - Amsterdam, the Netherlands, Elsevier Science B.V., pp.581-588.
- [15] Williamson C.H.K. (1988): Defining a universal and continuous Strouhal-Reynolds number relationship for the laminar vortex shedding of a circular cylinder. - Phys. Fluids, vol.31, pp.2742-2744.
- [16] Williamson C.H.K. (1989): Oblique and parallel modes of vortex shedding in the wake of a circular cylinder at low Reynolds numbers. - J. Fluid Mech., vol.206, pp.579-627.
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-article-BPZ2-0001-0016