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Title: Application of lattice Boltzmann method to simulate microchannel flows
Authors: Lim, C.Y.
Shu, C. 
Niu, X.D.
Chew, Y.T. 
Issue Date: Jul-2002
Citation: Lim, C.Y., Shu, C., Niu, X.D., Chew, Y.T. (2002-07). Application of lattice Boltzmann method to simulate microchannel flows. Physics of Fluids 14 (7) : 2299-2308. ScholarBank@NUS Repository.
Abstract: Microflow has become a popular field of interest due to the advent of microelectromechanical systems. In this work, the lattice Boltzmann method, a particle-based approach, is applied to simulate the two-dimensional isothermal pressure driven microchannel flow. Two boundary treatment schemes are incorporated to investigate their impacts to the entire flow field. We pay particular attention to the pressure and the slip velocity distributions along the channel in our simulation. We also look at the mass flow rate which is constant throughout the channel and the overall average velocity for the pressure-driven flow. In addition, we include a simulation of shear-driven flow in our results for verification. Our numerical results compare well with those obtained analytically and experimentally. From this study, we may conclude that the lattice Boltzmann method is an efficient approach for simulation of microflows. © 2002 American Institute of Physics.
Source Title: Physics of Fluids
ISSN: 10706631
DOI: 10.1063/1.1483841
Appears in Collections:Staff Publications

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