1. Air enters the rotor of an axial compressible stage with an axial velocity of 150...
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1. Air enters the rotor of an axial compressible stage with an axial velocity of 150 m/s and a tangential component of 80 m/s. The average rotor blade speed is 250 m/s. The blade angles are 48 degrees at the rotor inlet and 28 degrees at the rotor outlet a) Assuming the axial velocity component remains unchanged through the rotor passage, what is the change in tangential velocity (AC) through the rotor passage? b) If the stator is designed for repetitive stages, what are the stator blade angles? c) For the axial compressor stage, the inlet stagnation temperature is 330 K, what are the stagnation temperature and pressure rises through the stage? Assume a stage efficiency of 90%. 1 d) What is the degree of reaction for the stage? (Note: careful about signs. The degree of reaction must be a positive number) 1. Air enters the rotor of an axial compressible stage with an axial velocity of 150 m/s and a tangential component of 80 m/s. The average rotor blade speed is 250 m/s. The blade angles are 48 degrees at the rotor inlet and 28 degrees at the rotor outlet a) Assuming the axial velocity component remains unchanged through the rotor passage, what is the change in tangential velocity (AC) through the rotor passage? b) If the stator is designed for repetitive stages, what are the stator blade angles? c) For the axial compressor stage, the inlet stagnation temperature is 330 K, what are the stagnation temperature and pressure rises through the stage? Assume a stage efficiency of 90%. 1 d) What is the degree of reaction for the stage? (Note: careful about signs. The degree of reaction must be a positive number)
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