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http://dx.doi.org/10.6112/kscfe.2012.17.2.085

CONTROL OF SQUARE CYLINDER FLOW USING PLASMA SYNTHETIC JETS  

Kim, Dong-Joo (Dept. of Mechanical Engineering, Kumoh National Institute of Technology)
Kim, Kyoung-Jin (Dept. of Mechanical System Engineering, Kumoh National Institute of Technology)
Publication Information
Journal of computational fluids engineering / v.17, no.2, 2012 , pp. 85-92 More about this Journal
Abstract
Flows over a square cylinder with and without plasma actuation are numerically investigated to see whether plasma actuation can effectively modify vortex shedding from the cylinder and reduce the drag and lift fluctuations. In this study, a plasma synthetic jet actuator is mounted on the rear side of cylinder as a means of direct-wake control. The effect of plasma actuation is considered by adding a momentum forcing term in the Navier-Stokes equations. Results show that the reduction of mean drag and lift fluctuations is obtained for both steady and unsteady actuation. However, the steady actuation is better than the unsteady one in terms of mean drag as well as drag fluctuations. With the strong steady actuation considered, the interaction of two separating shear layers from rear corners is effectively weakened due to the interference of synthetic jets. It results in a merging of synthetic-jet and shear-layer vortices and the increase of vortex shedding frequency. On the other hand, the unsteady actuation generates pulsating synthetic jets in the near wake, but it does not change the vortex shedding frequency for the actuation frequencies considered in this study.
Keywords
Square Cylinder; Flow Control; Plasma Synthetic Jet;
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1 2008, Choi, H., Jeon, W.-P. and Kim, J., "Control of flow over a bluff body," Annu. Rev. Fluid Mech., Vol.40, pp.113-139.   DOI
2 2006, Santhanakrishnan, A. and Jacob, J.D., "Flow control using plasma actuators and linear/annular plasma synthetic jet actuators," AIAA paper 2006-3033.
3 2007, Santhanakrishnan, A. and Jacob, J.D., "Flow control with plasma synthetic jet actuators," J. Phys. D: Appl. Phys., Vol.40, pp.637-651.   DOI
4 2002, Glezer, A. and Amitay M., "Synthetic jets," Annu. Rev. Fluid Mech., Vol.34, pp.503-529.   DOI   ScienceOn
5 2009, Rizzetta, D.P. and Visbal, M.R., "Large eddy simulation of plasma-based control strategies for bluff body flow," AIAA J., Vol.47, pp.717-729.   DOI
6 2002, Shyy, W., Jayaraman, B. and Andersson, A., "Modeling of glow discharge-induced fluid dynamics," J. Appl. Phys., Vol.92, pp.6434-6443.   DOI
7 1991, Arnal, M.P., Goering, D.J. and Humphrey, J.A.C., "Vortex shedding from a bluff body on a sliding wall," J. Fluid Eng., Vol.113, pp.384-398.   DOI
8 1998, Sohankar, A., Norberg, C. and Davidson, L., "Low-Reynolds number flow around a square cylinder at incidence: study of blockage, onset of vortex shedding and outlet boundary condition," Int. J. Numer. Meth. Fluids, Vol.26, pp.39-56.   DOI   ScienceOn
9 2000, Chung, Y.J. and Kang, S.-H., "Laminar vortex shedding from a trapezoidal cylinder with different height ratios," Phys. Fluids, Vol.12, pp.1251-1254.   DOI
10 1997, Sohankar, A., Norberg, C. and Davidson, L., "Numerical simulation of unsteady low-Reynolds number flow around rectangular cylinders at incidence," J. Wind Eng. Ind. Aero., Vol.69-71, pp.189-201.   DOI
11 1999, Sohankar, A., Norberg, C. and Davidson, L., "Simulation of three-dimensional flow around a square cylinder at moderate Reynolds numbers," Phys. Fluids, Vol.11, pp.288-306.   DOI
12 2008, Thomas, F.O., Kozlov, A. and Corke, T.C., "Plasma actuators for cylinder flow control and noise reduction," AIAA J., Vol.46, pp.1921-1931.   DOI   ScienceOn
13 1999, Robichaux, J., Balachandar, S. and Vanka, S.P., Three-dimensional Floquet instability of the wake of square cylinder, Phys. Fluids, Vol.11, pp.560-578.   DOI   ScienceOn
14 2010, Corke, T.C., Enloe, C.L. and Wilkinson, S.P., "Dielectric barrier discharge plasma actuators for flow control," Annu. Rev. Fluid Mech., Vol.42, pp.505-529.   DOI
15 2004, Post, M.L. and Corke, T.C., "Separation control on high angle of attack airfoil using plasma actuators," AIAA J., Vol.42, pp.2177-2184.   DOI
16 2009, Kim, D. and Wang, M., "Large-eddy simulation of flow over a circular cylinder with plasma-based control," AIAA paper 2009-1080.
17 2011, Kozlov, A. and Thomas, F.O., "Plasma flow control of cylinders in a tandem configuration," AIAA J., Vol.49, pp.2183-2193.   DOI