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A computational technique for high enthalpy shock tube and shock tunnel flow simulation
Authors:Y. Sheng  J.P. Sislian  J.J. Liu
Affiliation:(1) Department of Mechanical Engineering, McMaster University, Hamilton, Ontario, Canada , CA;(2) Institute for Aerospace Studies , University of Toronto, Downsview, Ontario, Canada , CA;(3) Department of Engineering Science, National Cheng-Kung University, Tainan, Taiwan ROC , TW
Abstract:A contact discontinuity tracking method with a specially designed moving grid is developed to eliminate the interface smearing completely. In order to precisely locate the contact surface, an updated Riemann solver for unsteady one-dimensional inviscid flows is also developed to allow consideration of the specific heat ratio change across the shock wave. These two new computational techniques are illustrated in a high Mach number shock tube flow field computation. Received 30 October 1997 / Accepted 6 December 1997
Keywords::Shock tube   Shock tunnel   Riemann solver
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