HW18 - 2 2 1 1 M might just be left in that form rather...

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AAE 334, Fall 2011, Homework 18 Due at beginning of lecture, Wednesday, October 26, 2011 Consider the steady flow in the test section of a Mach 4 wind tunnel. The stagnation temperature is 20 o C. For some optical diagnostic techniques, such as the Laser Differential Interferometer used in Prof. Schneider’s old Mach 4 tunnel, both the density of the flow and the density difference across a steady normal shock wave are of interest when designing the instrumentation. Changing the stagnation pressure is a simple way to change for flow conditions in the test section. 1. Solve for the test section density versus stagnation pressure. Leave your answer in a form convenient for coding. For example, instances of
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Unformatted text preview: 2 2 1 1 M might just be left in that form rather than trying to combine them with other terms. 2. Using Matlab plot the test section density versus stagnation pressure from 1 to 10 atmospheres. 3. Solve for the density difference across a normal shock wave in the test section versus stagnation pressure. Leave your answer in a form convenient for coding. For example, instances of 2 2 1 1 M might just be left in that form rather than trying to combine them with other terms. 4. Using Matlab plot the density difference across a steady normal shock wave in the test section versus stagnation pressure from 1 to 10 atmospheres....
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