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.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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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.
Transcribed Image Text: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.
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