Kwing-So Choi

Contact

• workRoom A55 Coates Building
  University Park
  Nottingham
  NG7 2RD
  UK
• work0115 951 3792
• fax0115 951 3800
• kwing-so.choi@nottingham.ac.uk
• http://www.nottingham.ac.uk/~eazksc/index.htm

Research Summary

Drag reduction Flow separation control Turbulent boundary layer structures Boundary layer control using: Electro-magnetic systems (EMS), Micro-electro-mechanical-systems (MEMS) and Surface plasma

Recent Publications

• JUKES, T. N. and CHOI, K.-S., 2012. Dielectric-barrier-discharge vortex generations: characterisation and optimisation for flow separation control Experiments in Fluids. 52(2), 329-345
• WHALLEY, R. D. and CHOI, K.-S., 2012. The starting vortex in quiescent air induced by dielectric-barrier-discharge plasma Journal of Fluid Mechanics. (In Press.)
• FENG, L.-H., JUKES, T. N., CHOI, K.-S. and WANG, J.-J., 2012. Flow control over a NACA 0012 airfoil using dielectric-barrier-discharge plasma actuator with a Gurney flap Experiments in Fluids.
• CHOI, K.-S., JUKES, T. and WHALLEY, R., 2011. Turbulent boundary-layer control with plasma actuators PHILOSOPHICAL TRANSACTIONS- ROYAL SOCIETY OF LONDON SERIES A MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES. VOL 369(NUMB 1940), 1443-1458

• View all publications

Past Research

Boundary layer control using: Riblets, Compliant coatings, Vertical blade device and Spanwise-wall oscillation

Future Research

Boundary layer control by direct intervention of lage-scale turbulent structures Flow separation control by surface plasma with a particular application to aircraft

• JUKES, T. N. and CHOI, K.-S., 2012. Dielectric-barrier-discharge vortex generations: characterisation and optimisation for flow separation control Experiments in Fluids. 52(2), 329-345
• WHALLEY, R. D. and CHOI, K.-S., 2012. The starting vortex in quiescent air induced by dielectric-barrier-discharge plasma Journal of Fluid Mechanics. (In Press.)
• FENG, L.-H., JUKES, T. N., CHOI, K.-S. and WANG, J.-J., 2012. Flow control over a NACA 0012 airfoil using dielectric-barrier-discharge plasma actuator with a Gurney flap Experiments in Fluids.
• CHOI, K.-S., JUKES, T. and WHALLEY, R., 2011. Turbulent boundary-layer control with plasma actuators PHILOSOPHICAL TRANSACTIONS- ROYAL SOCIETY OF LONDON SERIES A MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES. VOL 369(NUMB 1940), 1443-1458
• PARK, H, AN, NH, HUTCHINS, N, CHOI, KS, CHUN, HH and LEE, I, 2011. Experimental Investigation On The Drag Reducing Efficiency Of The Outer-Layer Vertical Blades Journal Of Marine Science And Technology. 16(4), 390-401
• WHALLEY, R. and CHOI, K.-S., 2010. Starting, traveling, and colliding vortices: Dielectric-barrier-discharge plasma in quiescent air PHYSICS OF FLUIDS. VOL 22(NUMB 9), 091105
• JUKES, T.N. and CHOI, K.-S., 2009. Long Lasting Modifications to Vortex Shedding Using a Short Plasma Excitation Physical Review Letters. 102(25), 254501
• JUKES, T.N. and CHOI, K.-S., 2009. Flow control around a circular cylinder using pulsed dielectric barrier discharge surface plasma Physics of Fluids. 21(8), 084103
• JUKES, T.N. and CHOI, K.-S., 2009. Control of unsteady flow separation over a circular cylinder using dielectric-barrier-discharge surface plasma Physics of Fluids. 21, 094106
• KANG, Y.-D. and CHOI, K.-S., 2008. Direct intervention of hairpin structures for turbulent boundary-layer control Physics of Fluids. 20, 101517
• JUKES, T.N., CHOI, K.-S., SEGAWA, T. and YOSHIDA, H., 2008. Jet flow induced by a surface plasma actuator Proceedings of the Institution of Mechanical Engineers. Part I, Journal of Systems and Control Engineering. 222(5), 347-356
• WANG, J.J., LI, Y.C. and CHOI, K.-S., 2007. Gurney flap: Lift enhancement, mechanisms and applications Progress in Aerospace Sciences. 44, 22-47
• REBBECK, H. and CHOI, K.-S., 2006. A wind-tunnel experiment on real-time opposition control of turbulence Physics of Fluids. 18(3), 035103
• CHOI, K-S., 2006. Fluid dynamics: the rough with the smooth Nature. 440(7085), 754
• JUKES, T.N., CHOI, K-S., JOHNSON, G.A. and SCOTT, S.J., 2006. Characterization of surface plasma-induced wall flows through velocity and temperature measurements AIAA Journal. 44(4), 764-771
• KANG,Y.D. and CHOI, K.-S., 2006. Control of vortex shedding from a hemisphere by local suction Journal of Visualization. 9(1), 8
• BANDYOPADHYAY, P.R., HENOCH, C., HRUBES, J.D., SEMENOV, B.N., AMIROV, A.I., KULIK, V.M., MALYUGA, A.G., CHOI, K-S. and ESCUDIER, M.P., 2005. Experiments on the effects of aging on compliant coating drag reduction Physics of Fluids. 17(8), 085104
• PANG, J. and CHOI, K.-S., 2004. Turbulent drag reduction by Lorentz force oscillation Physics of Fluids. 16(5), L35-L38
• KARNIADAKIS, G.E. and CHOI, K-S., 2003. Mechanisms on transverse motions in turbulent wall flows Annual Review of Fluid Mechanics. 35, 45-62
• HUTCHINS, N. and CHOI, K-S., 2002. Accurate measurements of local skin friction coefficient using hot-wire anemometry Progress in Aerospace Sciences. 38(4-5), 421-446
• CHOI, K-S., 2002. Near-wall structure of turbulent boundary layer with spanwise-wall oscillation Physics of Fluids. 14(7), 2530-2542
• CHOI, K-S.. and LUMLEY, J.L., 2001. The return to isotropy of homogeneous turbulence Journal of Fluid Mechanics. 436, 59-84
• REBBECK, H. and CHOI, K-S., 2001. Opposition control of near-wall turbulence with a piston-type actuator Physics of Fluids. 13(8), 2142-2145
• CHOI, K. S. and CLAYTON, B. R., 2001. The mechanism of turbulent drag reduction with wall oscillation International Journal of Heat and Fluid Flow. VOL 22(NUMBER 1), 1-9
• KATOH, K., CHOI, K. S. and AZUMA, T., 2000. Heat-transfer enhancement and pressure loss by surface roughness in turbulent channel flows International Journal of Heat and Mass Transfer. VOL 43(NUMBER 21), 4009-4017
• CHOI, K. S., 2000. European drag-reduction research - recent developments and current status Fluid Dynamics Research. VOL 26(NUMBER 5), 325-335
• KATOH,K., CHOI,K. and AZUMA,T., 1999. A Study Of the Relationship Between Heat Transfer Enhancement & Pressure Loss Over Rough Surfaces Transactions of the Japan Society of Mechanical Engineers. B-65, 2447-2453
• CHOI, K.-S., DEBISSCHOP, J.-R. and CLAYTON, B.R., 1998. Turbulent boundary-layer control by means of spanwise-wall oscillation AIAA Journal. 36(7), 1157-1163
• CHOI, K.-S. and GRAHAM, M., 1998. Drag reduction of turbulent pipe flows by circular-wall oscillation Physics of Fluids. VOL 10(NUMBER 1), 7-9
• CHOI, K.-S., YANG, X., CLAYTON, B. R., GLOVER, E. J., ATLAR, M., SEMENOV, B. N. and KULIK, V. M., 1997. Turbulent drag reduction using compliant surfaces Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. VOL 453(MNTH OCT), 2229-2240
• CHOI, K.-S. and ORCHARD, D. M., 1997. Turbulence Management Using Riblets for Heat and Momentum Transfer Experimental Thermal and Fluid Science. VOL 15(NUMBER 2), 109-124