[Bldg-sim] supply air rate
Chris Yates
chris.malcolm.yates at gmail.com
Thu Mar 3 08:44:12 PST 2011
That depends on what you're trying to do with the air Shambav. If you
are meeting outdoor air requirements to maintain Indoor air quality then
refer to ASHRAE 62.1. If you are attempting to condition the space (heat
or cool) with the air then volume flow
V = Q / rho.Cp.deltaT
where Q = Heating / Cooling rate, Rho = density of air, Cp = specific
heat, DeltaT = difference in room air temperature and off coil.
A VAV system does both of these (supplies outdoor air and room
conditioning) and uses a mixing box.
If you want to understand VAV get hold of LearnHVAC
<http://www.learnhvac.org/index.php>.
Cheers
Chris
On 03/03/2011 12:18, sambhav tiwari wrote:
> Hi All,
> What is the range for supply air cfm/sqft for conditioned spaces
> Thanks
> Sambhav.
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--
Chris Yates C Eng MCIBSE
/Building Physics Consultant/
Tel:+447960731576
Email: chris.malcolm.yates at gmail.com
Skype: christopher.m.yates
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