b) A single-acting, two-stage reciprocating air compressor runs at a speed of 500 rev/min with overall pressure ratio of 20 to 1 has free air delivery of 5.0 m3/min. For the first stage compressor, the pressure and temperature at the end of induction stroke is 100kPa and 27 C, respectively. The intermediate pressure is 500 kPa, and the intercooling process is complete. The clearance volumes of both stages are 5% of their respective swept volumes. The ambient pressure and temperature are at 100 kPa and 27 C, respectively. The index of compression and expansion, n is 1.3. i) Sketch the cycle on a P-V diagram. ii) Determine final delivery temperature of the compressor, "C. ii) Determine total indicated power, kW. iv) Determine volumetric efficiency for the firststage, %. v) Calculate the swept volume of the first and second stage, m'. Take the value of R for air is 0.287 kl/kg.K.

b) A single-acting, two-stage reciprocating air compressor runs at a speed of 500 rev/min with overall pressure ratio of 20 to 1 has free air delivery of 5.0 m3/min. For the first stage compressor, the pressure and temperature at the end of induction stroke is 100kPa and 27 C, respectively. The intermediate pressure is 500 kPa, and the intercooling process is complete. The clearance volumes of both stages are 5% of their respective swept volumes. The ambient pressure and temperature are at 100 kPa and 27 C, respectively. The index of compression and expansion, n is 1.3. i) Sketch the cycle on a P-V diagram. ii) Determine final delivery temperature of the compressor, "C. ii) Determine total indicated power, kW. iv) Determine volumetric efficiency for the firststage, %. v) Calculate the swept volume of the first and second stage, m'. Take the value of R for air is 0.287 kl/kg.K.

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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