Air at atmospheric pressure and at 25°C enters a centrifugal blower when the rotor is spinning at 900 rpm. The inner and outer diameters of the rotor are 50 cm and 60 cm, respectively. Air enters the rotor radially and makes angle of -68° with the wheel tangent at the exit. The flow rate expected is 1.8 m3/s. If the efficiency, based on stagnation enthalpy, is 88.1%, calculate the power input, efficiency based on static enthalpy, and the exit fluid angle. Ans: n= 55.7%; exit fluid angle = 270° Answer provided above please provide full solution

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Air at atmospheric pressure and at 25°C enters a
centrifugal blower when the rotor
is spinning at 900 rpm. The inner and outer
diameters of the rotor are 50 cm and
60 cm, respectively. Air enters the rotor radially and
makes angle of -68° with the
wheel tangent at the exit. The flow rate expected is
1.8 m3/s. If the efficiency, based
on stagnation enthalpy, is 88.1%, calculate the
power input, efficiency based on
static enthalpy, and the exit fluid angle.
Ans: n= 55.7%; exit fluid angle = 270°
Answer provided above please provide full solution
Transcribed Image Text:Air at atmospheric pressure and at 25°C enters a centrifugal blower when the rotor is spinning at 900 rpm. The inner and outer diameters of the rotor are 50 cm and 60 cm, respectively. Air enters the rotor radially and makes angle of -68° with the wheel tangent at the exit. The flow rate expected is 1.8 m3/s. If the efficiency, based on stagnation enthalpy, is 88.1%, calculate the power input, efficiency based on static enthalpy, and the exit fluid angle. Ans: n= 55.7%; exit fluid angle = 270° Answer provided above please provide full solution
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