OPTIMUM CONDITIONS OF SUPERSONIC FLOWS WITH OBLIQUE SHOCK WAVES AND SUBSEQUENT HEAT ADDITION,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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Calculations indicate that the value of sigma in shocks when M sub in is high and there is heat addition to the supersonic flow increase when the pressure of the incident flow decreases, although s increases in this case. Increase of coefficient of total pressure is explained on the basis of the so-called action-reversal condition. Graphs are employed to illustrate the dependence of change of s sub 2 - s sub in and sigma k . sigma sub tau p sub ozp sub in on the flow-deviation angle omega in the oblique shock heat addition system, the dependence of the change of s sub 2 - s sub in on the flow-deviation angle omega for the systems oblique shock normal shock heat addition, and oblique shock heat addition, the dependence of the change of s sub 2 - s sub in on omega for two oblique shocks normal shock heat addition and two oblique shocks heat addition, the dependence of omegaopt and M sub 2 on the change of s sub 1 - s sub in caused by the various degree of intensity of heat addition in the oblique shock heat addition system, and the dependence of omegaopt on M sub in in the oblique shock heat addition system.
- Fluid Mechanics