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Pressure Drop In Piping
#1
Posted 05 June 2022 - 09:03 AM
I need help as i had a system as viscosity =0.8 cP, flow = 5 m3/hr,
Density = 1000 kg/m3, line length = 1000 m,.dia = 40 mm, material of line = ss316l
What will be pressure drop in pipe ?
As i used various source, software and hand calculation. I got 2-3 barg answer please help.
#2
Posted 05 June 2022 - 09:21 AM
Buy software from Katmar! We're not here to do your bidding.
Bobby
#3
Posted 05 June 2022 - 10:04 AM
Sounds like, "paralysis by analysis" and/or "fear of failure" to me.
Be decisive. Several sources say dP = 2-3 bar. An Engineer would chose the conservative value, probably 3 bar, document that source and value, and, then, move on to the next task.
Don't worry, be happy!
#4
Posted 05 June 2022 - 06:49 PM
Hi,
With your data , my calculation is close to 4 bar ( 3.6 bar) .
Good luck
Breizh
#5
Posted 06 June 2022 - 12:13 AM
#6
Posted 10 June 2022 - 02:54 AM
My answer is almost same as that of Breizh i.e. 3.3 bar.
The line length is kilometer so there will be pressure drop across it. You should look at the press drop/100m while carrying out line sizing. Check your company/project guidelines
#7
Posted 10 June 2022 - 06:58 AM
I need help as i had a system as viscosity =0.8 cP, flow = 5 m3/hr,
Density = 1000 kg/m3, line length = 1000 m,.dia = 40 mm, material of line = ss316l
What schedule is your DN40 pipe? Readily available schedules for DN40 316L SS are 5S, 10S, 40S, and 80S. None have exactly a 40 mm ID. Or, is it custom made? If so, what is the ID?
What roughness did you assume and use?
#8
Posted 10 June 2022 - 09:29 AM
Harvey is laughing.
Bobby
#9
Posted 09 March 2023 - 05:56 AM
My Calculation is similar with above, 3.399 bar.
Below online excel shows all details and you can edit on it.
BR68w PressureDrop 230309 cheresource // Office365 online excel
Attached Files
Edited by theangkko, 09 March 2023 - 08:04 AM.
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