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2013 (Vol. 6, Issue: 14)
Article Information:

Research of Micro-Rectangular-Channel Flow Based on Lattice Boltzmann Method

Xiao Hong, Wu Di and Shang Yuhe
Corresponding Author:  Xiao Hong 

Key words:  D3Q15, drag coefficient, lattice boltzmann method, rectangular micro-channel flow, , ,
Vol. 6 , (14): 2520-2525
Submitted Accepted Published
November 08, 2012 December 28, 2012 August 10, 2013
Abstract:

The source codes of Lattice Boltzmann Method (LBM) based on the D3Q15 model were developed in the current study. In the simulation process, the pressure boundary conditions were developed and the rectangular micro-channel flow was investigated. The Width-to-Height ratio (W/H) is the main influencing parameter of the rectangular micro-channel flow in low Reynolds number condition. A smaller W/H of the rectangular micro-channel results in a greater difference of drag coefficient between LBM simulation data and empirical formula data. On the empirical data of drag coefficient approximating laminar flow, when the Reynolds number is more than 10, the drag coefficients of LBM simulation and empirical data of laminar flow are in substantial agreement. Thus, in more than 10 conditions of Reynolds number, the empirical data on laminar flow can be used in rectangular micro-channel flow.
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  Cite this Reference:
Xiao Hong, Wu Di and Shang Yuhe, 2013. Research of Micro-Rectangular-Channel Flow Based on Lattice Boltzmann Method.  Research Journal of Applied Sciences, Engineering and Technology, 6(14): 2520-2525.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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