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http://dx.doi.org/10.3795/KSME-B.2003.27.9.1327

Direct Numerical Simulation of Flow Characteristics of the Fluid Laden with Many Particles  

Cho, Sang-Ho (서울대학교 BK21 기계분야사업단)
Choi, Hyoung-Gwon (서울산업대학교 기계공학과)
Yoo, Jung-Yul (서울대학교 기계항공공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.27, no.9, 2003 , pp. 1327-1334 More about this Journal
Abstract
Flow characteristics of the fluid laden with many particles in the two-dimensional channel are investigated using the Navier-Stokes equations coupled with the equation of motion of particles by direct numerical simulation. A four-step fractional step method with Crank-Nicolson scheme and ALE technique is used for P2P1 mixed finite element method. The motion and distribution of particles in the fluid is virtually described as a result of direct numerical simulation and the increase of viscosity is compared with theoretical equations. The effect of channel height on the relative viscosity and the tubular pinch effect are discussed.
Keywords
Finite Element Method; Combined Formulation; DNS; Fluid Laden with Particles; Effective Viscosity;
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