Air flows from a large reservoir in which the pressure and temperature are 1 MPa and 30°C, respectively, through a convergent–di
2 answers:
Answer:
The back pressure for a normal shock to appear at the exit to the duct is 375.959 kPa
Explanation:
Here we have
A₁/A* = 3 = Which gives
Mₐ₁ = 2.637
P₀₁ = = 1 MPa
∴ P₁ = 47298.69 Pa
P₂/P₁ shock = = 7.949
∴ P₂ = 47298.69 Pa× 7.949 = 375959.457 Pa
Therefore, for a normal shock to appear at the exit to the duct we have the back pressure = 375959.457 Pa = 375.959 kPa
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