A two stage compressor with first stage piston displacement of 94,390 cm3/sec is driven by a motor. Motor output is 35 HP, suction temperature is 22 °C, volumetric efficiency is 85%, mechanical efficiency is 95%, the intercooler pressure is 30 psi gage. Air temperature in and out of the intercooler are 105 °C and 44 °C. Final discharge pressure is 100 psi gage, suction estimated at 14.5 psi. Find the power saving by intercooler and heat removed in the intercooler in Kilowatts.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A two stage compressor with first stage piston displacement of 94,390 cm3/sec is driven by a motor. Motor output is 35 HP, suction temperature is 22 °C, volumetric efficiency is 85%, mechanical efficiency is 95%, the intercooler pressure is 30 psi gage. Air temperature in and out of the intercooler are 105 °C and 44 °C. Final discharge pressure is 100 psi gage, suction estimated at 14.5 psi. Find the power saving by intercooler and heat removed in the intercooler in Kilowatts.

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