Am doing some preliminary & schematic planning for an research and development design. I'm learning the HVAC requirements and want to get some feedback.
A 12'x16'x9' room = a (V) of 1,720 cu.ft.
4 Air Changes per Hour (N) for a typical residential living/sleeping room
using Q=(NxV)/60 would make (Q) = cubic feet per minute
So with the given room above the room would need 116.42cfm at constant flow. Or 465.68 cfm at 15 min. of operation every hour. Or 232.84 cfm at 15 min. of operation every 30 min....
So, now the inquiry: Given that thermal loading is accomodated outside of this discussion, what would be the ideal air change rate for the environment. Would running a fan for 15 min every hour at higher velocity be beneficial beyond the constant flow? Or would constant flow have better benefits? Essentially, what is the standard cycle rate and duration of air handlers? I don't quite know the "rule-of-thumb" here...
To better explain, this is an analysis into a completely sealed space that will need mechanical ventilation. Just don't know much about actual AHU function and performances.
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Last edited by AGWhitehouse; 08-12-2011 at 12:15 AM.