LATTICE BOLTZMANN METHOD IN SIMULATION OF THERMAL MICRO-FLOW WITH TEMPERATURE JUMP

Zhi-Wei Tian (), Chun Zou (), Zhao-Hui Liu, Zhao-Li Guo, Hong-Juan Liu and Chu-Guang Zheng
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Zhi-Wei Tian: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan Hubei 430074, P. R. China
Chun Zou: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan Hubei 430074, P. R. China
Zhao-Hui Liu: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan Hubei 430074, P. R. China
Zhao-Li Guo: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan Hubei 430074, P. R. China
Hong-Juan Liu: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan Hubei 430074, P. R. China
Chu-Guang Zheng: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan Hubei 430074, P. R. China

International Journal of Modern Physics C (IJMPC), 2006, vol. 17, issue 05, 603-614

Abstract: We simulate the gas flow and heat transfer in micro-Couette flow by the lattice Boltzmann method (LBM). A new boundary treatment is adopted in the numerical experiment in order to capture the velocity slip and the temperature jump of the wall boundary. Velocity and temperature profiles are in good agreement with the analytic results, which exhibits the availability of this model and boundary treatment in describing thermal micro-flow with viscous heat dissipation. We also find the upper boundary's temperature jump is zero at the criticalEc, which is around 3.0 with differentKn.

Keywords: Lattice Boltzmann method; micro-Couette flow; velocity slip; temperature jump (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1142/S0129183106009187

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