Calculation of Turbulent Boundary-Layer Shock-Wave Interaction

Abstract

The value of the logarithmic-shock-polar diagram has been illustrated by its use in two examples, one of which could have necessitated the use of iteration, and one which did not. It can be further utilized to evaluate the two types of threeshock-configuration encountered in shock interaction, i.e., weak oblique wave striking a strong shock, and a weak oblique wave striking another oblique wave of the same family. Both of these have the necessary contact discontinuity line, the first in the form of a shear layer, and the second in the form of an expansion wave. The logarithmic-shock-polar family can be used to estimate the results of reflections from shock waves and expansion waves from a solid wall, or from a free shear layer. These represent all the uses of shock interaction at a point necessary to explain any of Edney's six distinct types of shock a) Flow over double wedge. b) Logarithmic-Shock-Polar for flow over double wedge.