Institute of High Speed Mechanics, Tohoku University.
出版者
宇宙科学研究所
出版者(英)
Institute of Space and Astronautical Science
雑誌名
The Institute of Space and Astronautical Science report. S.P. : Proceedings of the Symposium on Mechanics for Space Flight
巻
1
ページ
123 - 139
発行年
1983-03
抄録(英)
By use of the direct-simulation method of Nanbu, the Couette flow for wall Mach number 3 is analysed over the whole range of the Knudsen number. Gas is a monatomic one of Maxwell molecules. By comparing the numerical solution obtained from simulation calculations with the approximate six-moment solution of Liu and Lees, the accuracy of the latter is examined in detail. As to the flow velocity and shearing stress, the six-moment solution shows reasonable agreement with the simulation solution. As to the temperature, density, and heat flux, the error of the six-moment solution is not small in all flow regimes except near-continuum one. As to the pressure, it is not uniform in the transition regime, differently from the prediction of the six-moment solution.