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Direct numerical simulation (DNS) of a turbulent channel flow is carried out to investigate the effect and mechanism of using spanwise oscillating Lorentz force to reduce boundary layer friction.We discussed the influence of Lorentz force intensity St and oscillating frequency T+ on the drag reduction effect and turbulent burst events. The results suggest the varying tendencies with St or T+ of the frequency of the turbulent bursts events are opposite to the intensity of the turbulent bursts events,and there exists an optimal parameter to achieve the largest amount of drag reduction.The composite effect of St and T+ can be well described by the equivalent spanwise wall velocity W+.
[1] Li G, Li H M, Li Y M, Nie C Q, Xu Y J, Zhang Y, Zhu J Q 2009 Acta Phys. Sin.58 4026 (in Chinese)[李 钢、李汉明、李轶明、聂超群、徐燕骥、张 翼、朱俊强 2009 58 4026]
[2] Park H, Lee D, Jeon W P, Hahn S, Kim J, Kim J, Choi J, Choi H 2006 J. Fluid Mech. 563 389
[3] Itoh M, Tamano S, Yokota K, Taniguchi S 2006 J. Turbulence 7 1
[4] Liu W D, Qiu X M, Sun A P, Tang D L, Zeng X J 2007 Acta Phys. Sin. 56 186 (in Chinese) [刘万东、邱孝明、孙爱萍、唐德礼、曾学军 2007 56 186]
[5] Gong B Z, Zhang B J 2009 Acta Phys. Sin. 58 1504 (in Chinese) [龚博致、张秉坚 2009 58 1504]
[6] Chen Y H, Fan B C, Chen Z H, Li H Z 2009 Sci. China Ser. G 52 1364
[7] Zhang H, Fan B C, Chen Z H 2009 Fluid Dyn. Res. 41 045507
[8] Zhang H, Fan B C, Chen Z H, Dong G, Zhou B M 2008 Chin. Sci. Bull. 53 2946
[9] Chen Y H, Fan B C, Chen Z H, Zhou B M 2008 Acta Phys. Sin. 57 648 (in Chinese) [陈耀慧、范宝春、陈志华、周本谋 2008 57 648]
[10] Chen Z H, Fan B C, Zhou B M, Li H Z 2007 Chin. Phys. 16 1077
[11] Henoch C, Stace J 1995 Phys. Fluids 7 1371
[12] Crawford C H , Karniadakis G E 1997 Phys. Fluids 9 788
[13] Nosenchuck D M, Brown G L 1993 Near-Wall Turbulent Flows (New York: Elsevier Science Publishers BV) p689
[14] Bandyopadhyay P R, Castano J M 1996 Proceedings of the Forum on Control of Transitional and Turbulent Flows,Fluids Engineering Division Conference San Diego, American, July 7—11,1996 p53
[15] Pang J, Choi K S 2004 Phys. Fluids 16 35
[16] Breuer K S, Park J, Henoch C 2004 Phys. Fluids 16 897
[17] Berger T W, Kim J, Lee C, Lim J 2000 Phys. Fluids 12 631
[18] Lee C, Kim J 2002 Phys. Fluids 14 2523
[19] Du Y Q, Symeonidis V, Karniadakis G E 2002 J. Fluid Mech. 457 1
[20] Satake S, Kasagi N 1996 Int. J. Heat Fluid Flow 17 343
[21] Lee C B, Wu J Z 2008 Appl. Mech. Rew. 61 030802
[22] Canuto C, Hussaini M Y, Quarteroni A, Zang T A 1988 Spectral Methods in Fluid Dynamics (New York: Springer-Verlag) p201
[23] Kim J, Moin P, Moser R 1987 J. Fluid Mech. 177 133
[24] Kim J 1983 Phys. Fluids 26 2088
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[1] Li G, Li H M, Li Y M, Nie C Q, Xu Y J, Zhang Y, Zhu J Q 2009 Acta Phys. Sin.58 4026 (in Chinese)[李 钢、李汉明、李轶明、聂超群、徐燕骥、张 翼、朱俊强 2009 58 4026]
[2] Park H, Lee D, Jeon W P, Hahn S, Kim J, Kim J, Choi J, Choi H 2006 J. Fluid Mech. 563 389
[3] Itoh M, Tamano S, Yokota K, Taniguchi S 2006 J. Turbulence 7 1
[4] Liu W D, Qiu X M, Sun A P, Tang D L, Zeng X J 2007 Acta Phys. Sin. 56 186 (in Chinese) [刘万东、邱孝明、孙爱萍、唐德礼、曾学军 2007 56 186]
[5] Gong B Z, Zhang B J 2009 Acta Phys. Sin. 58 1504 (in Chinese) [龚博致、张秉坚 2009 58 1504]
[6] Chen Y H, Fan B C, Chen Z H, Li H Z 2009 Sci. China Ser. G 52 1364
[7] Zhang H, Fan B C, Chen Z H 2009 Fluid Dyn. Res. 41 045507
[8] Zhang H, Fan B C, Chen Z H, Dong G, Zhou B M 2008 Chin. Sci. Bull. 53 2946
[9] Chen Y H, Fan B C, Chen Z H, Zhou B M 2008 Acta Phys. Sin. 57 648 (in Chinese) [陈耀慧、范宝春、陈志华、周本谋 2008 57 648]
[10] Chen Z H, Fan B C, Zhou B M, Li H Z 2007 Chin. Phys. 16 1077
[11] Henoch C, Stace J 1995 Phys. Fluids 7 1371
[12] Crawford C H , Karniadakis G E 1997 Phys. Fluids 9 788
[13] Nosenchuck D M, Brown G L 1993 Near-Wall Turbulent Flows (New York: Elsevier Science Publishers BV) p689
[14] Bandyopadhyay P R, Castano J M 1996 Proceedings of the Forum on Control of Transitional and Turbulent Flows,Fluids Engineering Division Conference San Diego, American, July 7—11,1996 p53
[15] Pang J, Choi K S 2004 Phys. Fluids 16 35
[16] Breuer K S, Park J, Henoch C 2004 Phys. Fluids 16 897
[17] Berger T W, Kim J, Lee C, Lim J 2000 Phys. Fluids 12 631
[18] Lee C, Kim J 2002 Phys. Fluids 14 2523
[19] Du Y Q, Symeonidis V, Karniadakis G E 2002 J. Fluid Mech. 457 1
[20] Satake S, Kasagi N 1996 Int. J. Heat Fluid Flow 17 343
[21] Lee C B, Wu J Z 2008 Appl. Mech. Rew. 61 030802
[22] Canuto C, Hussaini M Y, Quarteroni A, Zang T A 1988 Spectral Methods in Fluid Dynamics (New York: Springer-Verlag) p201
[23] Kim J, Moin P, Moser R 1987 J. Fluid Mech. 177 133
[24] Kim J 1983 Phys. Fluids 26 2088
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