A four-stage compressor works between limits of 1 bar and 120 bar. The index of compression in each stage is 1.25, the temperature at the start of compression in each stage is 30 ˚C, and the intermediate pressure are selected such that work is divided equally among the stages. If the clearance is negligible: Calculate: 1. the volume of free air delivered per kilowatt-hour at 1.013 bar and 20 ˚C 2. isothermal work input 3. isothermal efficiency.
A four-stage compressor works between limits of 1 bar and 120 bar. The index of compression in each stage is 1.25, the temperature at the start of compression in each stage is 30 ˚C, and the intermediate pressure are selected such that work is divided equally among the stages. If the clearance is negligible: Calculate: 1. the volume of free air delivered per kilowatt-hour at 1.013 bar and 20 ˚C 2. isothermal work input 3. isothermal efficiency.
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 four-stage compressor works between limits of 1 bar and 120 bar. The index
of compression in each stage is 1.25, the temperature at the start of
compression in each stage is 30 ˚C, and the intermediate pressure are
selected such that work is divided equally among the stages. If the clearance
is negligible:
Calculate:
1. the volume of free air delivered per kilowatt-hour at 1.013 bar and 20 ˚C
2. isothermal work input
3. isothermal efficiency.
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