Transport Properties in Gases at High Temperature and Low Pressure: Comparison of Kinetic Theory with Direct Simulation Monte Carlo |
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Authors: | D Omeiri D E Djafri |
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Affiliation: | (1) Department of Chemistry, Shiraz University, 71454 Shiraz, Iran;(2) Department of Chemistry, Shiraz University of Technology, 71555-313 Shiraz, Iran;(3) Department of Chemical Engineering, University of Waterloo, Waterloo, Canada |
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Abstract: | Expressions for the transport coefficients obtained from the Gross-Jackson and the Chapman–Enskog methods are used to derive
explicit relations incorporating the internal energy of the molecules for pure polyatomic gases and for binary mixtures of
gases. Various coefficients such as the binary diffusion, thermal conductivity, and the viscosity coefficients and the thermal
diffusion factor are calculated and a comparison with the direct simulation Monte Carlo (DSMC) method is carried out. The
results show that the contribution of the internal energy is important and cannot be neglected. |
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Keywords: | |
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