# Question 16.5: At the mean diameter, U = 200 m/s, V f = 180 m/s, β1 = 43.9°...

At the mean diameter, U=200 \mathrm{~m} / \mathrm{s}, V_{f}=180 \mathrm{~m} / \mathrm{s}, \beta_{1}=43.9^{\circ} and \beta_{2}=13.5^{\circ} . The factor \lambda=0.86 and \eta_{s}=0.85 and inlet temperature T_{1 t} is 288 K. Calculate the pressure ratio.

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