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Foam Delivery Time Calculations

Question asked by waelio on Feb 24, 2020
Latest reply on Feb 24, 2020 by faizal_sharin

Hi All,

 

I'm currently working on a project where I need to calculate the foam delivery time to the last nozzle. I used the velocities resulted from the hydraulic calculations. The calculation was done based on the equivalent length of the pipe.

 

Now I want to calculate the time T=Length/ Velocity. Which Length shall I use? "Actual while ignoring fittings or Equivalent length"?? Keeping in mind that the velocity is from the hydraulic calculation considering the equivalent length.

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