CFD analysis of Centrifugal pump at shut off condition

Nitin Dewangan · January 30, 2010, 06:11

Dear all.

I am working in a pump company research and development. I work in CFX.

while doing CFD, I am facing problem that how do we really observe the flow at shut off through CFD. ??

what are the necessary steps that I should follow to calculate flow?

currently i am working for the new pump development, where I have to plot performance curve of the pump, I have observed flow at duty point, 80% and 120% of the duty point, but that gives only 3 reading ,
I want to observe the flow at shut off.

Thanks in advance, please do the needful support.

ghorrocks · January 30, 2010, 15:47

What is shut off? Is that when the pump stalls against the pressure head and the flow is zero? I have never worked on pumps.

Carlos Juárez · February 10, 2012, 18:48

Do you have "Reversed Flow"?

January 30, 2010, 06:11	CFD analysis of Centrifugal pump at shut off condition	#1
Nitin Dewangan New Member Nitin Dewangan Join Date: Mar 2009 Posts: 6 Rep Power: 17	Dear all. I am working in a pump company research and development. I work in CFX. while doing CFD, I am facing problem that how do we really observe the flow at shut off through CFD. ?? what are the necessary steps that I should follow to calculate flow? currently i am working for the new pump development, where I have to plot performance curve of the pump, I have observed flow at duty point, 80% and 120% of the duty point, but that gives only 3 reading , I want to observe the flow at shut off. Thanks in advance, please do the needful support.

February 10, 2012, 18:48	Do you have "Reversed Flow"?	#3
Carlos Juárez New Member Carlos Alfonso Juárez Navarro Join Date: Feb 2011 Posts: 3 Rep Power: 15	Do you have "Reversed Flow"?

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January 30, 2010, 15:47		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	What is shut off? Is that when the pump stalls against the pressure head and the flow is zero? I have never worked on pumps.