[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Aquatic Plants Digest V3 #1023

To: Aquatic-Plants at actwin_com
Subject: Re: Aquatic Plants Digest V3 #1023
From: Dave Gomberg <gomberg at wcf_com>
Date: Tue, 18 May 1999 20:05:04 -0700
In-Reply-To: <199905111948.PAA23593 at acme_actwin.com>

At 03:48 PM 5/11/99 -0400, Keith Buchanan asked:
> How can you convert from CFM to Cv?

For gases:

CFM=22.7*Cv*sqrt((delP*P1)/(460+T)(SG))

where delP=P1-P2
P1= input pressure (psi)
P2=output pressure
SG=specific gravity of the gas relative to air=1.0
T=temperature (F)

HTH.   Dave

--
Dave Gomberg, San Francisco            mailto:gomberg at wcf_com
http://www.wcf.com/co2iron
-----------------------------------------------------------------

Prev by Date: Re: DIY CO2
Next by Date: Cleaning an Eheim diffusor
Prev by thread: Re: Nitrite (NO2) as a plant nutrient?
Next by thread: Cleaning an Eheim diffusor
Index(es):
- Date
- Thread