Heat transport: Comparison of theory and simulation
- 1 December 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 40 (11) , 6723-6726
- https://doi.org/10.1103/physreva.40.6723
Abstract
Recent results for heat transport between parallel plates are compared. Theoretical predictions are obtained from an exact solution to the nonlinear Bhatnagar, Gross, and Krook [Phys. Rev. 94, 511 (1954)] kinetic model for the Boltzmann equation. The temperature profiles are compared with corresponding results from a molecular-dynamics simulation using stochastic boundary conditions. Good agreement is obtained for the wide range of Knudsen numbers and temperature gradients considered, including states far from equilibrium.Keywords
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