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James Nsabilai
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Join Date: Jun 2007
Posts: 7

Compressor Questions

11/11/2010 12:37 AM

what is the compression ratio for positive displacement compressor of capacity 100N.m^3/hr and the compressed air header pressure is 8bars?
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
Good Answers: 795
#1

Re: compressors

11/11/2010 1:12 AM

8barg = 9bara; inlet = 1 bara; ratio = 9/1 = 9.

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James Nsabilai
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Join Date: Jun 2007
Posts: 7
#4
In reply to #1

Re: compressors

11/13/2010 2:52 AM

thanks i have got it
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Farnsworth28
Active Contributor

Join Date: Mar 2009
Posts: 14
#2

Re: compressors

11/11/2010 5:55 AM

James,

Compression Ratio = Gauge Pressure + Atmospheric Pressure / Atmospheric Pressure.

Apologies for the poorly displayed formula. I am @ work and need to type quickly. I hope this helps you.

Neil
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James Nsabilai
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Join Date: Jun 2007
Posts: 7
#3
In reply to #2

Re: compressors

11/12/2010 12:46 AM

thanks neil this will help
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