Air enters a 4-cm-square galvanized steel duct with p0 =150 kPa, T0 = 400K, and V1 = 120
Chapter 11, Problem 11.63(choose chapter or problem)
Air enters a 4-cm-square galvanized steel duct with p0 =150 kPa, T0 = 400K, and V1 = 120 m/s. (Note: = 2.2 105N s/m2).(a) Compute the maximum possible duct length for these conditions.(b) If the actual duct length is 0.75 times the maximum value,calculate the mass flow rate, the exit pressure, and the stagnationpressure.(c) If the actual duct length is 1.3 times the maximum value forthe stated conditions, compute the new mass flow rate and inletvelocity. Assume a low back pressure and use the same value of fas used in the maximum possible duct length case.
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