Air 1 Bar 288 K Enters Axial Flow Compressor Stage Axial Velocity 150 M S Inlet Guide Van Q30611850

. Air at 1 bar and 288 K enters an axial flow compressor stage with an axial velocity of 150 m/s. There are no inlet guide vanes. The rotor has a tip diameter of 60 cm and a hub diameter of 50 cm and rotates at 100 rps. The air enters the rotor and leaves the stator with no change in velocity or radius. The air is turned through 300 as it passes through the rotor. Determine (a) the blade angles (b) mass flow rate (c) power required and (d) the degree of reaction. . Ans: (a) 49, 19° (b) 14.38 kg/s 300.7 kW (d) 0.65

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