Pipe Flow Calculations Forum

There are two options - either you choose pipe diameter based on the wanted maxim velocity for given flow rate - you can use: http://www.pipeflowcalculations.com/flowrate/index.htm - and select - calculate for diameter. Or for given pipe line and known pressure on the start and on the end of pipelin...

Here is the formula to calculate pipe diameter for predefined velocity: http://www.pipeflowcalculations.com/pipeflowtheory/flow_mean_velocity.htm . If you know volumetric flow rate [m3/h] - you can use first one, but most probably you will know mass flow rate [kg/h]. Anyway, you will need saturated ...

New calculator is available at: - K factor or resistance coefficient calculator.

Calculate resistance coefficient for elbows, bends, tees, reducers, pipe contraction, pipe enlargement, pipe entrance and exit.

Hope you will like this one as one for resistance coefficient for valves is coming soon!

1. Oil viscosity [nu] would also be needed. 2. Pressure of 28000 psi is in some point of pipeline - for calculations it is required to know where is that pressure from discharge place - [L]. With these two known you can use: http://www.pipeflowcalculations.com/pressuredrop/index.htm calculator and e...

Do you know:
1. Pipe diameter
2. Pressure - somewhere - and that position distance from the pipe exit
3. Depth of see on the place of leak?

I am glad to announce that new version of flow calculators is available starting from today. Also, web site is refreshed with additional 29 theory being added.
As I hope you will like improvements also, if you find bugs, please report to me.

I am not a person that can help you on proper nozzle selection, but maybe you can use of this: http://www.lechler.de/pdf/4_flachstrahl_e.pdf . Now, if I understand you correctly, you control the pump flow rate with rpm of the pump. With increase of flow rate, the pump pressure increase. To know the ...

For calculation through the hole in water pipe line system, you can use orifice plate calculator: http://www.pipeflowcalculations.com/orifice/index.htm There you will have to choose - liquid and enter diameter of the pipe as D1 and diameter of the hole as D2, with pressure in front of the hole p1, a...

Here is the illustration: http://www.pipeflowcalculations.com/images/piping.jpg 1. Now, to calculate flow in pipe A-B you need to know pressure on point B. I would make assumption as it is 5 bar. Flow rate Q1 can be calculated now. 2. Calculate flow in B-C and B-D based on the same pressure of 5 bar...

you should use D^2 in area formula, and I get 127 m/s with calculator, for Q=0.01 m3/s and D=0.01 m