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Received October 31, 2001
Accepted January 16, 2002
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Elastohydrodynamics of Concentrated Suspension with Generalized Newtonian Fluid Medium
Department of Chemical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea
kangsa@mail.kaist.ac.kr
Korean Journal of Chemical Engineering, May 2002, 19(3), 371-376(6), 10.1007/BF02697142
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Abstract
Lubrication theory is applied to compute the deformation of two approaching particles suspended in a Generalized Newtonian fluid with linear elastic theory estimating deformation and force on the particles with respect to deformability δ. The relative viscosity of concentrated suspension with deformable particles in a Generalized Newtonian fluid is obtained for a simple cubic array configuration by using the results of deformation and force for two particles. Since the deformation of particles generates the freedom of moving particles geometrically, the suspension with deformable particles shows shear thinning behavior.
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References
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Ball RC, Melrose JR, Physica A, 247, 444 (1997)
Catherall AA, Melrose JR, Ball RC, J. Rheol., 44(1), 1 (2000)
Christensen H, J. Lub. Tech., 92, 145 (1970)
Davis RH, Serayssol J, Hinch EJ, J. Fluid Mech., 163, 479 (1986)
Frankel NA, Acrivos A, Chem. Eng. Sci., 22, 847 (1967)
Ha JW, Yang SM, J. Fluid Mech., 405, 131 (2000)
Jarzebski GJ, Rheol. Acta, 20, 280 (1981)
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Landau LD, Lifshitz EM, "Theory of Elasticity," 3rd ed. Pergamon Press, New York (1986)
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Loewenberg M, Hinch EJ, J. Fluid Mech., 321, 395 (1996)
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Munstedt H, Polym. Eng. Sci., 21, 259 (1981)
So JH, Yang SM, Hyun JC, Chem. Eng. Sci., 56(9), 2967 (2001)
Tanaka N, White JL, J. Non-Newton. Fluid Mech., 7, 333 (1980)
van den Brule BHAA, Jongschaap RJJ, J. Statistical Phys., 62, 1225 (1991)
