A four stage single acting air compressor running in an atmospheric at 87 KPa and 15 degrees Celsius has a free air delivery of 2,83 m³/min. The section pressure and temperature are 80 KPa and 32 degrees Celsius respectively, the delivery pressure is to be 7 MPa. The temperature at the start of compression in each stage is 32 degrees Celsius, take n=1.3 for all stages. Calculate : 1. The intermidiate pressure ratio in 3 decimal place 2.The intermidiate pressure at first, second and third stage in KPa 3. The mass flow rate in kg/min

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A four stage single acting air compressor running in an atmospheric at 87 KPa and 15 degrees Celsius has a free air delivery of 2,83 m³/min. The section pressure and temperature are 80 KPa and 32 degrees Celsius respectively, the delivery pressure is to be 7 MPa. The temperature at the start of compression in each stage is 32 degrees Celsius, take n=1.3 for all stages. Calculate : 1. The intermidiate pressure ratio in 3 decimal place 2.The intermidiate pressure at first, second and third stage in KPa 3. The mass flow rate in kg/min 4.The power input in KW
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