Regarding Reynolds number -- CFD Online Discussion Forums

February 28, 2006, 10:49	Regarding Reynolds number	#1
John Guest Posts: n/a	I am simulation water oil stratified flow in a pipe of 15 cm diameter. I have two inlets for oil and water seprately but only one outlet. flow rates of both water and oil are constant at 5 cubic meter per hour, but I have a very basic problem of calculating the Reynolds number for water and oil separately when it comes to choosing the diameter. should I have to take half the dia (7.5 cm as upper 50% of the pipe vol is occupied by oil) or should i have to take the entire pipe dia for calculating Reynolds numbers of individual phases. Please advise.

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