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Liquid film motor as a novel experimental device will play an important role in basic research and technology applications. In-depth theoretical studies on its electro-hydrodynamics (EHD) motions under various conditions are of great significance. In current paper, the dynamical characteristics of the liquid film motor driven by a square-wave electrophoresis electric field perpendicular to a uniform constant external electric field are investigated. Space-time dependence of the film's rotation linear velocity is derived analytically. The theoretical results indicate that a symmetrical reciprocating rotation in the film gradually converts to a vibration as the frequency of the electrophoresis electric field increases. This not only helps us understand the physical origin of the vibration of the liquid film motor, but also provides a new option to design a liquid film mixer in the application.
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Keywords:
- elecrohydrodynamical motions /
- liquid thin film /
- square-wave electric field /
- rotation of liquid film
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[90] Bingham E C 1916 Bulletin US Bureau of Standards 13 309
[91] [92] Steffe J F 1996 Rheological Methods in Food Process Engineering (2nd Ed.) (East Lansing, Mich.: Freeman Press) pp20-26
[93] [94] -
[1] Gennes P G D,Prost J 1995 The Physics of Liquid Crystals (2nd Ed.) (New York: Oxford University) pp230-244
[2] [3] Chandrasekhar S 1992 Liquid Crystals (2nd Ed.) (New York: Cambridge University) pp177-213
[4] [5] Xu Z D, Liu Y F, Xiang Y, Yang J, You S J, She W L 1999 Acta Phys. Sin. 48 2283 (in Chinese) [徐则达, 刘焰发, 项颖, 杨杰, 游石基, 佘卫龙 1999 48 2283]
[6] [7] Sonin A A 1998 Freely Suspended Liquid Crystalline Films (1st Ed.) (New York:John Wiley Sons) pp113-131
[8] [9] Faetti S, Fronzoni L, Rolla P A 1983 J. Chem. Phys. 79 5054
[10] [11] Faetti S, Fronzoni L, Rolla P A 1983 J. Chem. Phys. 79 1427
[12] [13] Morris S W, de Bruyn J R, May A D 1990 Phys. Rev. Lett. 65 2378
[14] [15] Daya Z A, Morris S W, de Bruyn J R 1997 Phys. Rev. E 55 2682
[16] [17] Ramos A, Morgan H, Green N G, Castellanos A 1998 J. Phys. D: Appl. Phys. 31 2338
[18] [19] Shirsavar R, Amjadi A, Radja N H, Niry M D, Tabar M R R, Ejtehadi M R 2006 arXiv:condmat/0605029 [cond-mat.soft]
[20] Amjadi A, Shirsavar R, Radja N H,Ejtehadi M R 2008 arXiv:0805.0490 [cond-mat.soft]
[21] [22] [23] Amjadi A, Shirsavar R, Radja N H, Ejtehadi M R 2009 Microfluid Nanofluid 6 711
[24] Shirsavar R, Amjadi A, Tonddast-Navaei A, Ejtehadi M R 2011 Exp. Fluids 50 419
[25] [26] Shiryaeva E V, Vladimirov V A, Zhukov M Y 2009 Phys. Rev. E 80 041603
[27] [28] [29] Grosu F P, Bologa M K 2010 Surf. Eng. Appl. Electrochem. 46 43
[30] [31] Liu Z Q, Li Y J, Zhang G C, Jiang S R 2011 Phys. Rev. E 83 026303
[32] Liu Z Q, Zhang G C, Li Y J, Jiang S R 2012 Phys. Rev. E 85 036314
[33] [34] Del Giudice E, Preparata G, Vitiello G 1988 Phys. Rev. Lett. 61 1085
[35] [36] [37] Sivasubramanian S, Widom A, Srivastava Y N 2005 Physica A 345 356
[38] [39] Del Giudice E, Vitiello G 2006 Phys. Rev. A 74 022105
[40] Preparata G 1995 QED Coherence in Matter (1st Ed.) (Singapore, New Jersey, London, Hong Kong: World Scientific) pp195-219
[41] [42] [43] Preparata G 1988 Phys. Rev. A 38 233
[44] [45] Arani R, Bono I, Del Giudice E, Preparata G 1995 Int. J. Mod. Phys. B 9 1813
[46] [47] Del Giudice E, Preparata G 1998 Macroscopic Quantum Coherence (1st Ed.) (Singapore:World Scientific) pp49-64
[48] Del Giudice E 2007 J. Phys.: Conf. Ser. 67 012006
[49] [50] Buzzacchi M, Del Giudice E, Preparata G 2002 Int. J. Mod. Phys. B 16 3771
[51] [52] [53] Del Giudice E, Galimberti A, Gamberale L, Preparata G 1995 Mod. Phys. Lett. 9 953
[54] [55] Del Giudice E, Fleischmann M, Preparata G, Talpo G 2002 Bioelectromagnetics 23 522
[56] [57] Del Giudice E, Preparata G, Fleischmann M 2000 J. Elec. Chem. 482 110
[58] [59] Sivasubramanian S, Widom A, Srivastava Y N 2001 Physica A 301 241
[60] [61] Sivasubramanian S, Widom A, Srivastava Y N 2001 Int. J. Mod. Phys. B 15 537
[62] [63] Sivasubramanian S, Widom A, Srivastava Y N 2002 Mod. Phys. Lett. B 16 1201
[64] [65] Sivasubramanian S, Widom A, Srivastava Y N 2003 J. Phys. Condens. Matter 15 1109
[66] [67] Emary C, Brandes T 2003 Phys. Rev. E 67 066203
[68] [69] Apostol M 2009 Phys. Lett. A 373 379
[70] [71] Yinnon C A, Yinnon T A 2009 Mod. Phys. Lett. B 23 1959
[72] [73] Huang C, Wikfeldt K T, Tokushima T, Nordlund D, Harada Y, Bergmann U, Niebuhr M, Weiss T M, Horikawa Y, Leetmaa M, Ljungberg M P, Takahashi O, Lenz A, Ojame L, Lyubartsev A P, Shin S, Pettersson L G M, Nilsson A 2009 Proc. Natl. Acad. Sci. USA 106 15214
[74] [75] Del Giudice E, Spinetti P R, Tedeschi A 2010 Water 2 566
[76] Zheng J M, Chin W C, Khijniak E, Khijniak J E, Pollack G H 2006 Adv. Coll. Inter. Sci. 23 19
[77] [78] Widom A, Swain J, Silverberg J, Sivasubramanian S, Srivastava Y N 2009 Phys. Rev. E 80 016301
[79] [80] [81] Luo L, Klapp S H L, Chen X S 2011 J. Chem. Phys. 135 134701
[82] [83] Luo L, Chen X S 2011 Sci. China Phys. Mech. Astron. 54 1555
[84] [85] Fuchs E C, Baroni P, Bitschnau B, Noirez L 2010 J. Phys. D 43 105502
[86] [87] Gandhi M V, Thompson B S 1992 Smart Materials and Structures (1st Ed.) (London, New York, Tokyo, Victoria, Madras: Chapman Hall) pp137-158
[88] [89] Wang Z W, Lin Z F, Tao R B 1996 Acta Phys. Sin. 45 0640 (in Chinese) [王作维, 林志方, 陶瑞宝 1996 45 0640]
[90] Bingham E C 1916 Bulletin US Bureau of Standards 13 309
[91] [92] Steffe J F 1996 Rheological Methods in Food Process Engineering (2nd Ed.) (East Lansing, Mich.: Freeman Press) pp20-26
[93] [94]
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