A steady-state, steady-flow compressor draws in 15 m3/min of air whose density is 1.267 kg/m3 and discharges it with a density of 4.876 kg/m3. At the suction, p1 = 103 kPaa; at discharge the pressure is p2 = 550 kPaa. The increase in the specific internal energy is 78.5 kJ/kg and the heat from the air by cooling is 30.2 kJ/kg. Neglecting changes of potential and kinetic energy, determine the work done on the air in kW. (1 decimal place)
A steady-state, steady-flow compressor draws in 15 m3/min of air whose density is 1.267 kg/m3 and discharges it with a density of 4.876 kg/m3. At the suction, p1 = 103 kPaa; at discharge the pressure is p2 = 550 kPaa. The increase in the specific internal energy is 78.5 kJ/kg and the heat from the air by cooling is 30.2 kJ/kg. Neglecting changes of potential and kinetic energy, determine the work done on the air in kW. (1 decimal place)
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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A steady-state, steady-flow compressor draws in 15 m3/min of air whose density is 1.267 kg/m3 and discharges it with a density of 4.876 kg/m3. At the suction, p1 = 103 kPaa; at discharge the pressure is p2 = 550 kPaa. The increase in the specific internal energy is 78.5 kJ/kg and the heat from the air by cooling is 30.2 kJ/kg. Neglecting changes of potential and kinetic energy, determine the work done on the air in kW. (1 decimal place)
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