A stair is being designed as pressurized as part of a smoke control plan. A single door gap below a 4 foot wide door has a 0.35 inch tall door gap where the pressure differential between the two sides of the door are 0.1 in. w.g.. Assuming a flow coefficient of 0.7 and normal atmospheric conditions, what is the volumetric flow rate of air through the gap?
a. 33 cfm
b. 73 cfm
c. 104 cfm
d. 148 cfm
Solution | Posted 10/08/18
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