A reciprocating air compressor has cylinder with 30cm bore and 40cm stroke. Compressor admits air at 1 bar. 20 degree Celsius and compresses it up to 5 bar. Compressor runs at 150 rpm. Considering the compressor to be single acting, single stage and has polytropic index of 1.2. Considering the compression process to be isothermal, polytropic and adiabatic, determine the following: a. Draw the P-V diagram of these processes. b. Find out the mean effective pressure and horsepower required to run the compressor. c. Calculate the isothermal efficiencies when the compressor is of polytropic and adiabatic type.
A reciprocating air compressor has cylinder with 30cm bore and 40cm stroke. Compressor admits air at 1 bar. 20 degree Celsius and compresses it up to 5 bar. Compressor runs at 150 rpm. Considering the compressor to be single acting, single stage and has polytropic index of 1.2. Considering the compression process to be isothermal, polytropic and adiabatic, determine the following: a. Draw the P-V diagram of these processes. b. Find out the mean effective pressure and horsepower required to run the compressor. c. Calculate the isothermal efficiencies when the compressor is of polytropic and adiabatic type.
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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Transcribed Image Text:A reciprocating air compressor has cylinder with 30cm bore and 40cm stroke. Compressor admits
air at 1 bar. 20 degree Celsius and compresses it up to 5 bar. Compressor runs at 150 rpm.
Considering the compressor to be single acting, single stage and has polytropic index of 1.2.
Considering the compression process to be isothermal, polytropic and adiabatic, determine the
following:
a. Draw the P-V diagram of these processes.
b. Find out the mean effective pressure and horsepower required to run the compressor.
c. Calculate the isothermal efficiencies when the compressor is of polytropic and adiabatic type.
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