A discrete element model for the influence of surfactants on sedimentation characteristics of magnetorheological fluids

Kwon Joong Son

Korea-Australia Rheology Journal, Vol.30, No.1, 29-39, February, 2018

DOI10.1007/s13367-018-0004-z Export Citation

A discrete element model for the influence of surfactants on sedimentation characteristics of magnetorheological fluids

Kwon Joong Son^†

Department of Mechanical and Design Engineering, Hongik University, Sejong 30016, Republic of Korea

E-mail:

Hindering particle agglomeration and re-dispersion processes, gravitational sedimentation of suspended particles in magnetorheological (MR) fluids causes inferior performance and controllability of MR fluids in response to a user-specified magnetic field. Thus, suspension stability is one of the principal factors to be considered in synthesizing MR fluids. However, only a few computational studies have been reported so far on the sedimentation characteristics of suspended particles under gravity. In this paper, the settling dynamics of paramagnetic particles suspended in MR fluids was investigated via discrete element method (DEM) simulations. This work focuses particularly on developing accurate fluid-particle and particle-particle interaction models which can account for the influence of stabilizing surfactants on the MR fluid sedimentation. Effect of the stabilizing surfactants on interparticle interactions was incorporated into the derivation of a reliable contact-impact model for DEM computation. Also, the influence of the stabilizing additives on fluid-particle interactions was considered by incorporating Stokes drag with shape and wall correction factors into DEM formulation. The results of simulations performed for model validation purposes showed a good agreement with the published sedimentation measurement data in terms of an initial sedimentation velocity and a final sedimentation ratio.

Keywords:sedimentation simulation;discrete element method;magnetorheological fluids;surfactants

[References]

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Chen LS, Chen DY, Rev. Sci. Instrum., 74, 3566 (2003)
Climent E, Maxey MR, Int. J. Multiph. Flow, 29(4), 579 (2003)
Climent E, Maxey MR, Karniadakis GE, Langmuir, 20(2), 507 (2004)
Dodbiba G, Park HS, Okaya K, Fujita T, J. Magn. Magn. Mater., 320, 1322 (2008)
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Fang C, Zhao BY, Chen LS, Wu Q, Liu N, Hu KA, Smart Mater. Struct., 14, N1 (2005)
Fang FF, Choi HJ, Jhon MS, Colloids Surf. A: Physicochem. Eng. Asp., 351, 46 (2009)
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Kruggel-Emden H, Simsek E, Rickelt S, Wirtz S, Scherer V, Powder Technol., 171(3), 157 (2007)
Kruggel-Emden H, Wirtz S, Scherer V, Chem. Eng. Sci., 63(6), 1523 (2008)
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Lopez-Lopez MT, Vertelov G, Bossis G, Kuzhir P, Duran JDG, J. Mater. Chem., 17, 3839 (2007)
Loth E, Powder Technol., 182(3), 342 (2008)
Ly HV, Reitich F, Jolly MR, Banks HT, Ito K, J. Comput. Phys., 155, 160 (1999)
Maxey MR, Patel BK, Chang EJ, Wang LP, Fluid Dyn. Res., 20, 143 (1997)
McManus SJ, Clair KS, Boileau PE, Boutin J, Rakheja S, J. Sound Vibr., 253, 313 (2002)
Phule PP, Smart Mater. Bull., 2001, 7 (2001)
Poschel T, Schwager T, Computational Granular Dynamics: Models and Algorithms, Springer-Verlag Berlin Heidelberg, New York, 2005.
Ren B, Zhong W, Chen Y, Chen X, Jin B, Yuan X, Lu Y, Particuology, 10, 562 (2012)
Shah K, Choi SB, Smart Mater. Struct., 24, 015004 (2015)
Son KJ, Fahrenthold EP, Smart Mater. Struct., 21, 075012 (2012)
Son KJ, Fahrenthold EP, J. Spacecr. Rockets, 51, 1349 (2014)
Sun R, Xiao H, Comput. Geosci., 89, 207 (2016)
Tsuji Y, Tanaka T, Ishida T, Powder Technol., 71, 239 (1992)
Wu WP, Zhao BY, Wu Q, Chen LS, Hu KA, Smart Mater. Struct., 15, N94 (2006)
Yao GZ, Yap FF, Chen G, Li WH, Yeo SH, Mechatronics, 12, 963 (2002)
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[Referenced By]

[1] Casas JA, Mohedano AF, Garcia-Ochoa F, J. Sci. Food Agric., 80, 1722 (2000)

[2] Chen LS, Chen DY, Rev. Sci. Instrum., 74, 3566 (2003)

[3] Climent E, Maxey MR, Int. J. Multiph. Flow, 29(4), 579 (2003)

[4] Climent E, Maxey MR, Karniadakis GE, Langmuir, 20(2), 507 (2004)

[5] Dodbiba G, Park HS, Okaya K, Fujita T, J. Magn. Magn. Mater., 320, 1322 (2008)

[6] Douglas JF, Gasoriek JM, Swaffield JA, Jack LB, Fluid Mechanics, 5th ed., Pearson, London, 2005.

[7] Falkovich G, Fluid Mechanics: A Short Course for Physicists, Cambridge University Press, New York, 2011.

[8] Fang C, Zhao BY, Chen LS, Wu Q, Liu N, Hu KA, Smart Mater. Struct., 14, N1 (2005)

[9] Fang FF, Choi HJ, Jhon MS, Colloids Surf. A: Physicochem. Eng. Asp., 351, 46 (2009)

[10] Haberman WL, Sayre RM, Hydromechanics Laboratory Research and Development Report, No. DTMB-1143, David Taylor Model Basin Washington DC, 1958.

[11] Han K, Feng YT, Owen DRJ, Int. J. Numer. Methods Eng., 84, 1273 (2010)

[12] Hato MJ, Choi HJ, Sim HH, Park BO, Ray SS, Colloids Surf. A: Physicochem. Eng. Asp., 377, 103 (2011)

[13] Jang IB, Kim HN, Lee JY, You JL, Choi HJ, Jhon MS, J. Appl. Phys., 97, 10Q912 (2005)

[14] Jolly MR, Bender JW, Carlson JD, J. Intell. Mater. Syst. Struct., 10, 5 (1999)

[15] Kozlowska J, Leonowicz M, Compos. Theory Pract., 13, 227 (2013)

[16] Kruggel-Emden H, Simsek E, Rickelt S, Wirtz S, Scherer V, Powder Technol., 171(3), 157 (2007)

[17] Kruggel-Emden H, Wirtz S, Scherer V, Chem. Eng. Sci., 63(6), 1523 (2008)

[18] Lim ST, Choi HJ, Jhon MS, IEEE Trans. Magn., 41, 3745 (2005)

[19] Lopez-Lopez MT, Vertelov G, Bossis G, Kuzhir P, Duran JDG, J. Mater. Chem., 17, 3839 (2007)

[20] Loth E, Powder Technol., 182(3), 342 (2008)

[21] Ly HV, Reitich F, Jolly MR, Banks HT, Ito K, J. Comput. Phys., 155, 160 (1999)

[22] Maxey MR, Patel BK, Chang EJ, Wang LP, Fluid Dyn. Res., 20, 143 (1997)

[23] McManus SJ, Clair KS, Boileau PE, Boutin J, Rakheja S, J. Sound Vibr., 253, 313 (2002)

[24] Phule PP, Smart Mater. Bull., 2001, 7 (2001)

[25] Poschel T, Schwager T, Computational Granular Dynamics: Models and Algorithms, Springer-Verlag Berlin Heidelberg, New York, 2005.

[26] Ren B, Zhong W, Chen Y, Chen X, Jin B, Yuan X, Lu Y, Particuology, 10, 562 (2012)

[27] Shah K, Choi SB, Smart Mater. Struct., 24, 015004 (2015)

[28] Son KJ, Fahrenthold EP, Smart Mater. Struct., 21, 075012 (2012)

[29] Son KJ, Fahrenthold EP, J. Spacecr. Rockets, 51, 1349 (2014)

[30] Sun R, Xiao H, Comput. Geosci., 89, 207 (2016)

[31] Tsuji Y, Tanaka T, Ishida T, Powder Technol., 71, 239 (1992)

[32] Wu WP, Zhao BY, Wu Q, Chen LS, Hu KA, Smart Mater. Struct., 15, N94 (2006)

[33] Yao GZ, Yap FF, Chen G, Li WH, Yeo SH, Mechatronics, 12, 963 (2002)

[34] Zhang WL, Liu YD, Choi HJ, Korea-Aust. Rheol. J., 24(3), 147 (2012)