Pressure drop Calculation.

Forum about flow calculators available on pipeflowcalculations.com and how to find solution for your fluid flow problem.
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santosh
Posts: 1
Joined: Tue Dec 04, 2018 3:42 pm

Pressure drop Calculation.

Post by santosh »

Hello, I am trying to calculate the pressure drop for LPG.
The case is as follows, From Point 1 which is at the ground floor, I will be taking a vertical pipe of 40 mm diameter up to point 2 at 275 m height. The mass per consumption would be 19.5 Kg/hr. The pressure at point 1 after leaving the Pressure Regulation System (PRS) will be 200 milli bar. I have tried calculating using the software but found some different results.

I have attached the screenshot for your reference. Please guide me where I provided wrong input to the software.
1.PNG
1.PNG (107.6 KiB) Viewed 15434 times
admin
Site Admin
Posts: 374
Joined: Mon Feb 08, 2010 7:47 pm

Re: Pressure drop Calculation.

Post by admin »

First, you have to enter absolute, not gauge pressure.
Check the pipe diameter that you are entering, as well as critical pressure and temperature for LPG.
Also, select to enter w (on the right side of the calculator) and then enter mass flow rate.
Hope this helps.
Pipe flow calculations - since 2000
KennethBib
Posts: 5
Joined: Thu Dec 06, 2018 6:26 pm

Pressure drop Calculation

Post by KennethBib »

about 1/40th of the usable pressure, if you are getting 40 usable shots

In other words, not enough to show on the gauge, if you see gauge movement after one shot, you have a problem
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