 ﻿empty premium drainage rate calculation formula How can calculate AHU or FCU condensate drain Pipe

∆t = time required to empty tank (sec) The following formulas are based on turbulent flow of a Newtonian fluid through an outlet (orifice) in a tank. The discharge coefficient C d depends on the configuration of the outlet. Some typical values for discharge coefficient are shown at right. Calculating the Time Required to Empty a Vessel ∆t = πD 2 h C d

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The Rational Method equation is: Q = C x I x A where: Q = Storm Water Runoff (in cubic feet per second) C = Coefficient of Runoff I = Rainfall Intensity (in inches per hour) A = Area of Drainage Zone (in acres) The equation above can be modified to give you runoff in gallons per minute.

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How can calculate AHU or FCU condensate drain Pipe? condensate drain Pipe …

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A fills at a rate of 1 12 tanks per minute; B empties at a rate of 1 8 tanks per minute. The net rate of filling is A − B = 1 12 − 1 8 = − 1 24 tanks per minute. If the tank were full, it would empty in 24 minutes, but it is only 3 4 full, so it empties in only 3 4 ⋅ 24 = 18 minutes. Share.

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Total waste flow rate based on equation (l/s) (Qww) = K (√ du's) Any pumped waste discharge (l/s) (Qp) Any continuous discharge (e.g. condensate etc) (l/s) (Qc)

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To calculate the jet velocity and flowrate, enter the parameters below. (The default calculation is for a small tank containing water 20 cm deep, with answers rounded to 3 significant figures. Any interaction of the fluid jet with air is ignored.)

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