Flow by gravity -- CFD Online Discussion Forums

December 18, 2023, 08:54	Flow by gravity	#1
Newsim New Member Sergey Join Date: Dec 2015 Posts: 5 Rep Power: 10	Guys, I need your help. I have a fundamental problem in understanding the boundary conditions. There is a vertical pipe with a height of 1 meter. What is the correct condition I should set at the inlet and outlet to get the correct flow velocity (flowrate) in this pipe only due to gravity?

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