Consider a reciprocating air compressor with two-stage, 6.8 m/min free air delivery at atmospheric conditions of 100 kPa and 24 °C, respectively. The polytropic compression index is 1.23, while the delivery pressure is 1,643 kPa. The mechanical and motor- drive efficiencies are 85% and 93%, respectively. Accept complete inter-cooling and neglect clearance volumes. If the specific heat capacity of air at constant pressure and volume are 1 kJ/kg K and 0.718 kJ/kg K, respectively. Calculate the gas constant in J/kg K to 3 significant figures.

Consider a reciprocating air compressor with two-stage, 6.8 m/min free air delivery at atmospheric conditions of 100 kPa and 24 °C, respectively. The polytropic compression index is 1.23, while the delivery pressure is 1,643 kPa. The mechanical and motor- drive efficiencies are 85% and 93%, respectively. Accept complete inter-cooling and neglect clearance volumes. If the specific heat capacity of air at constant pressure and volume are 1 kJ/kg K and 0.718 kJ/kg K, respectively. Calculate the gas constant in J/kg K to 3 significant figures.

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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