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A centrifugal compressor with backward bent blades (B = 75°) handles 20 kg/s of air, where the air ambient pressure is 100 kPa and T = 20 °C. Air enters the compressor rotor in the axial direction. The rotor diameter is 0.80 m, and the compressor rotates at 9000 rpm. Exit blade channel is 80 mm in width. Assuming an 80% efficiency, Use cp = 1.005 kJ/kg. K, R =287 kJ/kg.K and k = 1.40 for air find: 1.velocity at exit, power and torque 2.exit pressure and temperature ( assume a perfect diffuser) 3.

A centrifugal compressor with backward bent blades (B = 75°) handles 20 kg/s of air, where the air ambient pressure is 100 kPa and T = 20 °C. Air enters the compressor rotor in the axial direction. The rotor diameter is 0.80 m, and the compressor rotates at 9000 rpm. Exit blade channel is 80 mm in width. Assuming an 80% efficiency, Use cp = 1.005 kJ/kg. K, R =287 kJ/kg.K and k = 1.40 for air find: 1.velocity at exit, power and torque 2.exit pressure and temperature ( assume a perfect diffuser) 3.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A centrifugal compressor with backward bent blades (B = 75°) handles 20 kg/s of air, where the air ambient pressure is 100 kPa and T = 20 °C. Air enters the compressor rotor in the axial direction. The rotor diameter is 0.80 m, and the compressor rotates at 9000 rpm. Exit blade channel is 80 mm in width. Assuming an 80% efficiency, Use cp = 1.005 kJ/kg. K, R =287 kJ/kg.K and k = 1.40 for air find: 1.velocity at exit, power and torque 2.exit pressure and temperature ( assume a perfect diffuser) 3.
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