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Low Flow in Pipes- posted in Ankur's blog

Vent Line Sizing

Started by go-fish, Dec 21 2010 11:49 AM

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#26 deltaChe

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153 posts

Posted 01 November 2011 - 09:24 AM

Dear go-fish

the forula for calcuating the gas density seems to be wrong.

vapor density = MW*(gauge pressure+1.01325)*100000/8314.4/(temperature+273)/compressibity

The pressue, given such as v2/2g is abosolute pressure instead of gauge pressure.

so I think you don't have to add up the 1.01325

Please give me comment if I am wrong

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