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  3. consider a kantrowitz-donaldson diffuser designed

Consider a Kantrowitz-Donaldson diffuser designed for a flight Mach number of 1.8. The entrance area equals...

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Mechanical Engineering

Consider a Kantrowitz-Donaldson diffuser designed for a flightMach number of 1.8. The entrance area equals 3.0 ft2and the ambientairtemperature and pressure are 500ï‚°R and 0.8atmosphere. The flowis isentropic everywhere except across the normal shockwave.Determine:(a) the minimum cross-sectional area of the throat suchthat a normal shock may be stabilized at the entrance, (b) themaximum mass flow, and(c) the maximum stagnation pressure possibleat the end of the diffuser (with subsonic flow only in thedivergent portion).In each of these optimizations, consider theflight Mach number fixed at the design value while the finalpressure (at the end of the diffuser) is allowed to adjust.

Answer & Explanation Solved by verified expert
3.6 Ratings (645 Votes)
SolutionGivenMach Number 18Entrance area Ai 30 ft2Ambient Air Temperature T0 500 RAmbient Air    See Answer
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