How do I calculate the air flow in a 12" diameter nozzle in cubic feet per minute?
Answer:
3.1415927*12^2*32= 14476 cu ft --pool
u have a 12" diameter (1 foot) nozzle --?? thats a big nozzle
--re write the the question again in the right units
inner diameter in inches and length of pipe in to the pool and out side the pool (exit)
Misunderstood the question !
delta_bravo_1kilo@yahoo.ca
You are pumping 1950 gpm water from a tank and there is a 12"diameter vent. What is the air flow through the vent?
The air flow through the vent is equal to the volume of water displaced 1950 (gal/min) / 1 ft^3 water /7.481 gal=260.6 ft^3/min of air through the 12" vent. That is the flow 261cfm.
Flow =v*A
for a 12"D opening A=pi/4 ft ^2
the velocity through the 12 in opening is 261 cfm * 4 / pi = 332 ft per min, which does not seem excessive.
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