cfm and scfm

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cfm and scfm

Postby ronjg » Sun Aug 28, 2005 7:12 am

How do you convert from cubic feet per minute to standard cubic feet per minute.

Re: cfm and scfm

Postby Guest » Sun Sep 25, 2005 11:54 pm

ronjg wrote:How do you convert from cubic feet per minute to standard cubic feet per minute.

Postby Guest » Mon Sep 26, 2005 2:26 am

It is an adjustment of flow at actual temperature and pressure to "standard" temperature and pressure. Except there are different "standards."

Pressure is usually 1 atm = 101.325 kPa. However, temperature can be 15 degrees C, 20 C, 60 F, etc depending on industry, country. Figuroing out which "standard" applies is part of the problem

For gases, use ideal gas law to recalculate at standard. For liquids, you have to know how the density varies with temperature (different for different liquids).

So it depends on what is is, and what "standard" is. More info is required to help more.

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