One more time! How do you calculate airflow so you can read a compressor map
10-04-2002, 01:06 PM
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One more time! How do you calculate airflow so you can read a compressor map
ok a long long time ago i remember downloading an excell sheet that someone had up with CFM listed for different applications.. this is long since gona and now im learing for the second time to read a compressor map.. basically what i have is a partial formula from majesticturbo.com that lists the CFM formula which is:
i have the VE, CID, and RPM now all i need is the Density ratio.. the chart for that is illegible on the site so how do i find that # or another formula for CFM.. i understand you must then convert this # into lb/min too.
doing the math i get 202.63 * DR = CFM this is using 82% VE and 122 cid at 7k
[Modified by JCushing, 5:09 PM 10/4/2002]
i have the VE, CID, and RPM now all i need is the Density ratio.. the chart for that is illegible on the site so how do i find that # or another formula for CFM.. i understand you must then convert this # into lb/min too.
doing the math i get 202.63 * DR = CFM this is using 82% VE and 122 cid at 7k
[Modified by JCushing, 5:09 PM 10/4/2002]
10-04-2002, 01:24 PM
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Re: One more time! How do you calculate airflow so you can read a compressor map (JCushing)
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