An air compressor absorbs 1000 kg of air per hour at a pressure of 100 kPa and 500 kPa it presses on the pressure. Specific volume of air at compressor Inlet 0.8 m3 / kg, at Exit 0.2 m3 / kg dir. The internal energy of the air at the outlet is 100 kJ/kg more than at the inlet. 60 000 kJ/h heat transfer occurs from the compressor to the air. Kinetic and potential energy find the power needed to operate the compressor, neglecting its changes.
An air compressor absorbs 1000 kg of air per hour at a pressure of 100 kPa and 500 kPa it presses on the pressure. Specific volume of air at compressor Inlet 0.8 m3 / kg, at Exit 0.2 m3 / kg dir. The internal energy of the air at the outlet is 100 kJ/kg more than at the inlet. 60 000 kJ/h heat transfer occurs from the compressor to the air. Kinetic and potential energy find the power needed to operate the compressor, neglecting its changes.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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An air compressor absorbs 1000 kg of air per hour at a pressure of 100 kPa and 500 kPa
it presses on the pressure. Specific volume of air at compressor Inlet 0.8 m3
/ kg, at Exit
0.2 m3
/ kg dir. The internal energy of the air at the outlet is 100 kJ/kg more than at the inlet.
60 000 kJ/h heat transfer occurs from the compressor to the air. Kinetic and potential energy
find the power needed to operate the compressor, neglecting its changes.
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