Calculating velocity for partially flowing pipe

Tanjina · December 4, 2014, 22:04

Hello,

Does anyone know how fluent calculate the velocity for partially full flowing circular pipe? If I do the calculation of velocity from the mass flow rate and water depth at outlet manually, I find different result from what fluent gives as mass-averaged velocity. Any help will be highly appreciated.

Thanks
Tanjina

LuckyTran · December 5, 2014, 00:23

You can find the details in 22.3.1 for Surface Integrals. Fluent uses basic calculus rules, nothing fancy.

December 4, 2014, 22:04	Calculating velocity for partially flowing pipe	#1
Tanjina Senior Member Tanjina Afrin Join Date: May 2013 Location: South Carolina Posts: 169 Rep Power: 14	Hello, Does anyone know how fluent calculate the velocity for partially full flowing circular pipe? If I do the calculation of velocity from the mass flow rate and water depth at outlet manually, I find different result from what fluent gives as mass-averaged velocity. Any help will be highly appreciated. Thanks Tanjina

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December 5, 2014, 00:23		#2
LuckyTran Senior Member Lucky Join Date: Apr 2011 Location: Orlando, FL USA Posts: 5,846 Rep Power: 68	You can find the details in 22.3.1 for Surface Integrals. Fluent uses basic calculus rules, nothing fancy.