Homework4

Homework4 - There were two requests with this assignment....

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There were two requests with this assignment. The first was to reproduce Fig. 5.15 with both the exact relations and the super-fantastic nozzle simulator. The second was to determine the pressure requirement (if any) to keep the nozzle from Lab1 purely subsonic. Since the second request is much easier, let us handle that. We should know that for choked flow the Mach number is PURELY a function of the area ratio. If we examine the Mach – Area ratio relationship, for each given area ratio, there exists two solutions for the Mach number. If we are keeping the flow subsonic throughout AND the area ratio is symmetric about the throat, then the exit Mach number must be equal to the inlet Mach number. Since pressure ratios are strictly a function of the Mach number, they must be the equal as well. Therefore, the pressure ratio requirement is …. 1. Which is not very fascinating. For the first request we need to adjust the code used for Lab 1. The adjustments are extremely small and are outlined in the homework handout. In addition, we need to
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Homework4 - There were two requests with this assignment....

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