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TECHNICAL PAPERS

Flow Control Using Rotating Cylinders: Effect of Gap

[+] Author and Article Information
S. Mittal

Department of Aerospace Engineering, Indian Institute of Technology, Kanpur, UP 208 016, Indiae-mail: smittal@iitk.ac.in

J. Appl. Mech 70(5), 762-770 (Oct 10, 2003) (9 pages) doi:10.1115/1.1601250 History: Received August 29, 2001; Revised February 11, 2003; Online October 10, 2003
Copyright © 2003 by ASME
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References

Gad el Hak,  M., and Bushnell,  D. M., 1991, “Separation Control: Review,” ASME J. Fluids Eng., 113, pp. 5–29.
Modi,  V. J., 1997, “Moving Surface Boundary-Layer Control: A Review,” J. Fluids Struct., 11, pp. 627–663.
Modi,  V. J., Fernando,  M. S. U. K., and Yokomizo,  T., 1991, “Moving Surface Boundary-Layer Control: Studies with Bluff Bodies and Applications,” AIAA J., 29, pp. 1400–1406.
Modi,  V. J., Shih,  E., Ying,  B., and Yokomizo,  T., 1992, “Drag Reduction of Bluff Bodies through Momentum Injection,” J. Aircr., 29, pp. 429–436.
Munshi, S. R., Modi, V. J., and Yokomizo, T., 1997, “Control of Fluid-Structure Interaction Instabilities through Momentum Injection,” in Proceedings of the Seventh Asian Congress of Fluid Mechanics, pp. 335–338, Indian Institute of Technology Madras, Chennai, India, Allied Publishers Limited.
Munshi,  S. R., Modi,  V. J., and Yokomizo,  T., 1997, “Aerodynamics and Dynamics of Rectangular Prisms with Momentum Injection,” J. Fluids Struct., 11, pp. 873–892.
Choi,  B., and Choi,  H., 1992, “Drag Reduction with a Sliding Wall in Flow over a Circular Cylinder,” AIAA J., 38, pp. 715–717.
Park,  D. S., Ladd,  D. M., and Hendricks,  E. W., 1994, “Feedback Control of von Karman Vortex Shedding behind a Circular Cylinder at Low Reynolds Numbers,” Phys. Fluids, 6, pp. 2390–2405.
Mittal,  S., 2001, “Control of Flow Past Bluff Bodies using Rotating Control Cylinders,” J. Fluids Struct., 15, pp. 291–326.
Tokumaru,  P. T., and Dimotakis,  P. E., 1993, “The Lift of a Cylinder Executing Rotary Motions in a Uniform Flow,” J. Fluid Mech., 255, pp. 1–10.
Mittal,  S., 2001, “Flow Past Rotating Cylinders: Effect of Eccentricity,” ASME J. Appl. Mech., 68, pp. 543–552.
Mittal,  S., and Tezduyan,  T. E., 1995, “Parallel Finite Element Simulation of 3D Incompressible Flows: Fluid-Structure Interactions,” Int. J. Numer. Methods Fluids, 21, pp. 933–953.
Mittal,  S., and Kumar,  V., 1999, “Finite Element Study of Vortex-Induced Cross-Flow and In-Line Oscillations of a Circular Cylinder at Low Reynolds Numbers,” Int. J. Numer. Methods Fluids, 31, pp. 1087–1120.
Mittal,  S., Kumar,  V., and Raghuvanshi,  A., 1997, “Unsteady Incompressible Flow Past Two Cylinders in Tandem and Staggered Arrangements,” Int. J. Numer. Methods Fluids, 25, pp. 1315–1344.
Mittal,  S., and Raghuvanshi,  A., 2001, “Control of Vortex Shedding Behind Circular Cylinder for Flow at Low Reynolds Numbers,” Int. J. Numer. Methods Fluids, 35, pp. 421–447.
Tezduyar,  T. E., Mittal,  S., Ray,  S. E., and Shih,  R., 1992, “Incompressible Flow Computations with Stabilized Bilinear and Linear Equal-Order-Interpolation Velocity-Pressure Elements,” Comput. Methods Appl. Mech. Eng., 95, pp. 221–242.
Akin,  J. E., Tezduyar,  T. E., Ungor,  M., and Mittal,  S., 2003, “Stabilization Parameters and Smaogorinsky Turbulence Model,” J. Appl. Mech. 70, pp. 2–9.
Mittal,  R., and Moin,  P., 1997, “Suitability of Upwind-Biased-Finite Differ-ence Schemes for Large-Eddy Simulation of Turbulent Flows,” AIAA J., 35, pp. 1415.
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Figures

Grahic Jump Location
Description of the relative location of the main and control cylinders
Grahic Jump Location
Re=104 flow past main and control cylinders: stream function (left), pressure (middle), and magnitude of velocity (right) fields at a time instant corresponding to the peak value of the lift coefficient for the main cylinder
Grahic Jump Location
Re=104 flow past main and control cylinders: variation of the x component of velocity in the gap region and close to the upper control cylinder at a time instant corresponding to the peak value of the lift coefficient for the main cylinder
Grahic Jump Location
Re=104 flow past main and control cylinders: variation of pressure coefficient on the surface of main cylinder at a time instant corresponding to the peak value of the lift coefficient
Grahic Jump Location
Re=104 flow past main and control cylinders: the vorticity field and its close-up at a time instant corresponding to the peak value of the lift coefficient for the main cylinder. Clockwise vorticity is in broken lines while the counter clockwise vorticity is shown in solid lines.
Grahic Jump Location
Re=104 flow past main and control cylinders: time histories of the lift and drag coefficients for the main cylinder
Grahic Jump Location
Re=104 flow past main and control cylinders: time histories of the lift and drag coefficients for the upper control cylinder
Grahic Jump Location
Re=104 flow past main and control cylinders: variation with gap of the rms values of the unsteady force coefficients and Strouhal number
Grahic Jump Location
Re=104 flow past main and control cylinders: variation with gap of the time averaged power coefficient

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