Applications of a new model for the differential cross-section of a classical polyatomic gas
作者:
Carlo Cercignani,
Maria Lampis,
Jens Struckmeier,
期刊:
Transport Theory and Statistical Physics
(Taylor Available online 2000)
卷期:
Volume 29,
issue 3-5
页码: 355-373
ISSN:0041-1450
年代: 2000
DOI:10.1080/00411450008205879
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
We give a comparison of various differential cross-section models for a classical polyatomic gas for a homogeneous relaxation problem and the shock wave profiles at Mach numbers 1.71 and 12.9. Besides the standard Borgnakke-Larsen model and its generalization to an energy dependent coefficient to control the amount of rotationally elastic and completely inelastic collision, we discuss some new models recently proposed by the same authors. Moreover, we present numerical algorithms to implement the models in a particle or Monte-Carlo code and compare the numerical shock wave profiles with existing experimental data.
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