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Published December 22, 1976 | public
Journal Article

A numerical simulation of the rarefied hypersonic flat-plate problem

Abstract

The direct-simulation Monte-Carlo method for the full Boltzmann equation is applied to the problem of rarefied hypersonic flow of rotationally excited N2 past the leading edge of a two-dimensional flat plate aligned with the free stream. An approximate collision model representing rotational–translational energy exchanges is developed for use in the calculations. The effects of this and other inelastic collision models and of the single-parameter Maxwell gas–surface interaction law on the flow in the kinetic/transition regime are discussed.

Additional Information

© 1976 Cambridge University Press. (Received 3 February 1976) The authors wish to thank Professor G. A. Bird, who kindly supplied his 'Universal' program, with which the energy-sink and restricted-exchange model calculations were performed. This program was also used to check other results presented herein obtained using the authors' own programs. The research was sponsored by the Science Research Council.

Additional details

Created:
August 19, 2023
Modified:
March 5, 2024