Consider an axial flow blower spinning at 4200 rpm with tip and hub diameters of 25 cm and 12.5 cm, respectively. The blower has no inlet guide vanes and the inlet and exit blade angles to the rotor are -75° and -55°, respectively. The inlet veloc- ity is purely axial. The mass flow rate is 0.466 kg/s and the static conditions at the inlet are 101.3 kPa and 35°C. Calculate the degree of reaction and stagnation and static pressure rises through the rotor.

Consider an axial flow blower spinning at 4200 rpm with tip and hub diameters of 25 cm and 12.5 cm, respectively. The blower has no inlet guide vanes and the inlet and exit blade angles to the rotor are -75° and -55°, respectively. The inlet veloc- ity is purely axial. The mass flow rate is 0.466 kg/s and the static conditions at the inlet are 101.3 kPa and 35°C. Calculate the degree of reaction and stagnation and static pressure rises through the rotor.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.32P

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