# CENTRIFUGAL PUMP, characteristic curve

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 August 12, 2010, 00:45 CENTRIFUGAL PUMP, characteristic curve #1 New Member   Roger Iván Join Date: Jun 2009 Posts: 10 Rep Power: 8 Hi my frineds, I am simulating a centrifugal pump in CFX ANSYS 12, but I don't know how obtein the characteristic curve Q vs H. Please help me. Regards Ivan

August 12, 2010, 02:44
hI
#2
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lihui
Join Date: Jun 2010
Posts: 12
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Quote:
 Originally Posted by Ivanrips Hi my frineds, I am simulating a centrifugal pump in CFX ANSYS 12, but I don't know how obtein the characteristic curve Q vs H. Please help me. Regards Ivan
you mean the P-Q curve? i also do the centrifugal fan,you can contact with me use the msn:lihui54312@hotmail.com ,we can dissucs the detail

 August 12, 2010, 06:19 #3 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 10,830 Rep Power: 85 Have a look in the best practises guide int he documentation. There is one for pumps.

 August 12, 2010, 09:58 #4 New Member   Roger Iván Join Date: Jun 2009 Posts: 10 Rep Power: 8 Hi, thanks for your answer, Q vs H = Capacity (GPM) vs Head (feet or meter) My e-mail is tristan_rips19@hotmail.com I simulated the impeller of centrifugal pump, with next information: Inlet: 5.214 m/s Outlet: 80000 Pa But I don't obtain the characteristic curve. Thanks Ivan

 September 14, 2010, 10:29 #5 New Member   fazli Join Date: Aug 2010 Posts: 1 Rep Power: 0 At the BC of the simulation, u have to define the inlet volume flow rate of the pump. And the head can be calculated from the pressure drop of the pump, divided by ρg. H=(Poutlet-Pinlet)/ρg.

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