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A centrifugal air compressor receives a gas at a rate of 6 m3 /min and compresses it from 90 kPa to 630 kPa. The initial and final specific volumes are 0.82 m3 /kg and 0.21 m3 /kg, respectively, and the diameters of the duct are 10 cm at the inlet and 5 cm at the exit. Determine (a) the flow work at the boundaries, (b) the mass flow rate, and (c) the change in velocity.(Ans: a) 132.3 kJ/kg, b) 0.122 kg/s, c) 0.311 m/s)

A centrifugal air compressor receives a gas at a rate of 6 m3 /min and compresses it from 90 kPa to 630 kPa. The initial and final specific volumes are 0.82 m3 /kg and 0.21 m3 /kg, respectively, and the diameters of the duct are 10 cm at the inlet and 5 cm at the exit. Determine (a) the flow work at the boundaries, (b) the mass flow rate, and (c) the change in velocity.(Ans: a) 132.3 kJ/kg, b) 0.122 kg/s, c) 0.311 m/s)

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 air compressor receives a gas at a rate of 6 m3 /min and compresses it from

90 kPa to 630 kPa. The initial and final specific volumes are 0.82 m3 /kg and 0.21 m3 /kg,

respectively, and the diameters of the duct are 10 cm at the inlet and 5 cm at the exit.

Determine (a) the flow work at the boundaries, (b) the mass flow rate, and (c) the change

in velocity.(Ans: a) 132.3 kJ/kg, b) 0.122 kg/s, c) 0.311 m/s)

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