Calculate fluid pressure loss due to hole leakage

In summary, the conversation discusses the potential for pressure loss in a cylindrical pipe with holes in the wall, and the factors that may affect this loss. It is noted that if the pipe is capped at one end, there may be no pressure loss, but if the water supply is from a tank that is not being refilled, the loss will depend on the horizontal area of the tank and the speed at which the water is flowing.
  • #1
raymond350
1
0
I have a cylindrical pipe of internal diameter of around 5mm, say capped at one end with pressurised fluid flowing though the other opening. If I have holes at the wall of the pipe, am i able to calculate the pressure loss due to water squirting out through those side holes?
 
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  • #2
welcome to pf!

hi raymond350! welcome to pf! :smile:

if it's capped at the end, why should there be any pressure loss?

if the water supply is from a constant-head tank, then the pressure will stay the same

if it's from a tank that isn't being refilled, then the loss of pressure will depend on the horizontal area of the tank … the faster the water goes down, the greater the loss in pressure :wink:
 

1. What is the formula for calculating fluid pressure loss due to hole leakage?

The formula for calculating fluid pressure loss due to hole leakage is: Pressure loss = (Q x L)/K, where Q is the flow rate, L is the length of the hole, and K is the coefficient of friction.

2. How do I determine the flow rate for the calculation?

The flow rate can be determined by measuring the volume of fluid that passes through the hole in a given amount of time. This can be done using a flow meter or by collecting the fluid in a container and measuring the volume using a measuring device.

3. What is the coefficient of friction and how is it determined?

The coefficient of friction is a measure of the resistance to flow caused by the roughness of the hole surface. It is determined experimentally by measuring the pressure drop across a hole of known size and length at different flow rates.

4. Can I use this formula for any type of fluid?

Yes, this formula can be used for any type of fluid as long as the flow rate and coefficient of friction are determined accurately for that particular fluid.

5. Are there any other factors that can affect fluid pressure loss due to hole leakage?

Yes, other factors such as the size and shape of the hole, the viscosity of the fluid, and the temperature can also affect the fluid pressure loss due to hole leakage. These factors should be taken into consideration when determining the coefficient of friction.

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