Uphole Velocity Calculator:
Enter the values of Flow Rate of Uphole, Hole Diameter & Pipe Diameter to determine the value of Uphole Velocity UHV(ft/s).
Uphole Velocity Formula:
The Uphole Velocity UHV(ft/s) in feet per second is equal to the Value of 183.4 into multiply the Flow Rate of Uphole CFM(ft3/m) in feet cube per minute is Divided by the Hole Diameter HD(inches) in inches is squared and subtracted by the Pipe Diameter PD(inches) in inches is squared.
The Equation of Uphole Velocity can be writtern as,
UHV(ft/s) = 183.4 * CFM(ft3/m) / ( HD2(inches) – PD2(inches) )
Here,
UHV(ft/s) = Uphole Velocity in feet per second
CFM(ft3/m) = Flow Rate of Uphole in feet cube per minute
HD(inches) = Hole Diameter in inches
PD(inches) = Pipe Diameter in inches
Example Problems for Uphole Velocity:
1)Calculate the Uphole Velocity and given for Flow Rate of Uphole = 180ft3/m , Hole Diameter = 6inches , Pipe Diameter = 3inches.
Answer
UHV = 183.4 * CFM / ( HD2 – PD2 )
UHV = 183.4 * 180 / ( 62 – 32 )
UHV = 1222.66ft/s.
2)Calculate the Flow Rate of Uphole and given for Uphole Velocity = 1222.66ft/s , Hole Diameter = 6inches , Pipe Diameter = 3inches.
Answer
UHV = 183.4 * CFM / ( HD2 – PD2 )
1222.66 = 183.4 * CFM / ( 62 – 32 )
CFM = 180ft3/m.