PROPAGATION OF THE EFFECTS OF WALL INTERACTION IN THE RAREFACTION REGION OF SHOCK TUBE FLOW

摘要

A method for computing the effects of wall friction and heat flow upon the flow parameters in the rarefaction region of the shock tube is presented. The one dimensional equations of continuity and of motion, and the equation of state are written to include the wall forces and heat flow When the magnitudes of these dissipative effects as well as their dependence upon the flow parameters are given, the amount of the modification of the centered rarefaction wave ordinarily assumed in the ideal shock tube theory can be calculated. In the absence of any information on friction and heat transfer in such highly transient flows, expressions representing steady state turbulent flows are employed.