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1. Using the equations describing the standard atmosphere, plot the speed of sound (in m/s, ft/s...

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Mechanical Engineering

1. Using the equations describing the standard atmosphere, plotthe speed of sound (in m/s, ft/s and knots) in the altitude rangesea level – 32 km. You can use Matlab or Excel (10 points).


2. An airfoil has a critical Mach number of ??? = 0.65. The wing isswept back at 30°. a) What is the design flight Mach number forthis wing? (2 points)

b) What is the design flight speed in knots at an altitude of30,000 ft? (10 points)


3. A supersonic passenger plane is traveling at an altitude of60,000 ft. A normal shock forms in front of the nose of the plane.A pitot-static system on the nose (behind the shock) measures thepressure ratio between stagnation pressure and static pressure tobe 1.2256. a) Calculate the flight Mach number of the aircraft (12points).

c) Calculate the required wing sweep for minimum wave drag. (4points)


3. A fighter jet passes over you at Mach 1.6 at an altitude of h =10000 m. What is its horizontal distance x from you when you hearthe sonic boom? (6 points)

Answer & Explanation Solved by verified expert
4.2 Ratings (535 Votes)
Kindly upload different questions separately Thank you Answerto the first question is hereNote that the speed of sound depends on    See Answer
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