Hi everybody! I have a question about this type of flow. I have a Convergent divergent passage, with supersonic flow upstream and downstream, the flow iside of it is unknowm. The question is that , knowing that one normal shock occurs within the canal, either in the convergent or the divergent part, which one is the right answer? I know it happens in the convergent part but why? I know that decelerating the supersonic flow entering the convergent part would cause a rise in pressure, density and temperature, but I´m not able to motivate more than that. Anybody can help me? The convergent part is between 1 and 2, the divergent between 2 and 3.
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