Anyone have an equation to calculate the time it takes for a specific amount (cubic feet) of water to exit a 2" orifice? Taking into account the pressure changes by the decreasing depth of the water above the outlet as it drains??
Anyone know of a good, general equation determining the capacity of an inlet? My basin in question is in a parking lot low point; Given dimensions and open area of the casting, what Q can it take before it ponds a given depth?
I found one that says Q(cfs)=3.0(grate permimeter)(depth of...
