Computer Simulations of Coating Suspensions, 1997 Advanced Coating Fundamentals Symposium Proceedings

Western Michigan University

The translation and rotation of non-spherical particles, such as ellipsoidal, cylindric and rectangular pigment particles, in a Couette flow system similar to a blade coating system have been successfully simulated by using lattice Boltzmann method combined with molecular dynamic simulations. Hydrodynamic forces and torques are obtained by using boundary conditions which match the moving surface of solid particles. Then Euler equations have been integrated to include three-dimensional rotations of the suspensions by using four quaternion parameters as generalized coordinates. The three-dimensional rotations have been clearly observed. Consequently, the sedimentation of the particles suspended in fluids at particle Reynolds number of 35 has been studied. The experimental phenomena of drafting, kissing and tumbling of solid particles sedimented under the influence of the...

Author: Qi, D.
Computer Simulations of Coating Suspensions, 1997 Advanced C
Computer Simulations of Coating Suspensions, 1997 Advanced Coating Fundamentals Symposium Proceedings
35.00

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