Abstract
Gaseous flow and heat transfer in micro-channels are simulated by the lattice Boltzmann method (LBM). Thermal LB model with viscous heat dissipation has been adopted in the simulation. A new boundary treatment is proposed based on macro variables in order to capture the velocity slip and temperature jump. The numerical results show the velocity and temperature profiles are in agreement with the analytic results in different cases, which exhibits the availability of this model and boundary treatment in describing thermal micro-flow with viscous heat effect. The variation rules of temperature jump with different parameters are also discussed in this study.
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