Biogas Flow in PE80 Pipe

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Danny072
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Joined: Tue Dec 24, 2013 12:20 pm

Biogas Flow in PE80 Pipe

Post by Danny072 » Tue Dec 24, 2013 12:34 pm

Hi all,

I have a problem that I need some assistance with. i am a controls engineer by trade so pipe calcs are not really my bag so where better to pose my question in the hope of some answers and to help me learn something.

I am trying to work out the theoretical maximum flow of some 450mm PE80 pipe.

The pipe is 450mm SDR 17.6 (ID of 424.23 mm) PE80.

I believe the SG to be 1.192.

Current drop in vacuum from one end to the other is in the range of -120mb to -40mb and the total length is 2000mm

If some kind soul could give me some guidance and working then i would be grateful.

If any more info is needed I will gladly post it.

Thanks

admin
Site Admin
Posts: 371
Joined: Mon Feb 08, 2010 7:47 pm

Re: Biogas Flow in PE80 Pipe

Post by admin » Thu Jan 30, 2014 12:36 am

If K is changing also expansion Y is changing. If you have higher local resistance and K is higher, fluid will expand more.
Pipe flow calculations - since 2000

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