Q3. A fixed area internal compression inlet has a capture to throat area ratio of ...
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Q3. A fixed area internal compression inlet has a capture to throat area ratio of ¹ = 1.2. Assuming that the ratio of specific heats is y = 1.4, determine the following, showing all working: (a) [7 marks] The free-stream Mach number at which the inlet will start. (b) [4 marks] The Mach number entering the throat, M₁₁, immediately after starting (the normal shock is sitting at the throat). (c) [2 marks] The total pressure ratio across the inlet (d) after starting with the shock at the throat. (d) [4 marks] The Mach number at which the inlet will unstart (i.e. the shock is disgorged from the inlet nozzle). Note that solving this question will require you to solve equations that cannot be solved analytically. I recommend using the Matlab fzero' function, although other methods are available within Matlab. Please show all workings clearly, and if you use Matlab, please provide a copy of your script. Q3. A fixed area internal compression inlet has a capture to throat area ratio of ¹ = 1.2. Assuming that the ratio of specific heats is y = 1.4, determine the following, showing all working: (a) [7 marks] The free-stream Mach number at which the inlet will start. (b) [4 marks] The Mach number entering the throat, M₁₁, immediately after starting (the normal shock is sitting at the throat). (c) [2 marks] The total pressure ratio across the inlet (d) after starting with the shock at the throat. (d) [4 marks] The Mach number at which the inlet will unstart (i.e. the shock is disgorged from the inlet nozzle). Note that solving this question will require you to solve equations that cannot be solved analytically. I recommend using the Matlab fzero' function, although other methods are available within Matlab. Please show all workings clearly, and if you use Matlab, please provide a copy of your script.
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Answer rating: 100% (QA)
The freestream Mach number at which the inlet will start The freestream Mach number at which the inlet will operate at full area The mass flow through the inlet at full area The mass flow through the ... View the full answer
Related Book For
Thermodynamics for Engineers
ISBN: ?978-1133112860
1st edition
Authors: Kenneth A. Kroos, Merle C. Potter
Posted Date:
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