Centrifugal pump

issaenis · November 6, 2014, 08:43

Dear freind

I make a simulation of a centrifugal pump with Ansys Cfx.

I need how to plot the characteristic curve H (Q) in CFD Post to compare with that of experimental.

give me an example of CFD Post and steps needed to do.

please help me

ghorrocks · November 6, 2014, 16:02

Have a look at the CFX tutorials and the best practices guide for turbomachinery.

issaenis · November 7, 2014, 16:29

I read but there is no well-defined examples tracing the curve characteristics of a centrifugal pump H (Q).

I need a how to plot this curve and the steps necessary example.

Please contact me on email

issaenis · November 7, 2014, 16:30

chalghoumissa@yahoo.fr

issaenis · January 11, 2015, 07:55

Hello friends

I did the simulation of a centrifugal pump with CFX.
pump consists of a pipe in, a wheel and the volute as shown this figure.

issaenis · January 11, 2015, 08:01

the boundary conditions are:

Flow simulation domain ; Impeller and volute

Grid ; Impeller structured, volute unstructured

Fluid ; Water at standard conditions

Inlet ; Total pressure = 1 atm

Outlet ; Mass flow = q (kg/s)

Turbulence model ; k-ε and SST

Interface1 pipe-impeller ; Frozen rotor

Interface2 impeller-volute ; Frozen rotor

Convection scheme ; second order

RMS (root mean square) ; 4-Oct

current simulation an error message appear.
in this figure

can help me to correct this error

issaenis · January 11, 2015, 08:45

can help me to correct this error

Chris_321 · January 11, 2015, 19:05

Is your axis of rotating according to the right hand rule?

I would suggest to move your inlet a little bit further away from the rotating part

ghorrocks · January 18, 2015, 05:44

FAQ: (The FAQ comment applies to inlets and outlets)

http://www.cfd-online.com/Wiki/Ansys...f_an_OUTLET.22

November 6, 2014, 08:43	Centrifugal pump	#1
issaenis New Member Chalghoum Issa Join Date: Oct 2014 Posts: 9 Rep Power: 11	Dear freind I make a simulation of a centrifugal pump with Ansys Cfx. I need how to plot the characteristic curve H (Q) in CFD Post to compare with that of experimental. give me an example of CFD Post and steps needed to do. please help me

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November 6, 2014, 16:02		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	Have a look at the CFX tutorials and the best practices guide for turbomachinery.

November 7, 2014, 16:29		#3
issaenis New Member Chalghoum Issa Join Date: Oct 2014 Posts: 9 Rep Power: 11	I read but there is no well-defined examples tracing the curve characteristics of a centrifugal pump H (Q). I need a how to plot this curve and the steps necessary example. Please contact me on email

November 7, 2014, 16:30		#4
issaenis New Member Chalghoum Issa Join Date: Oct 2014 Posts: 9 Rep Power: 11	chalghoumissa@yahoo.fr

January 11, 2015, 08:01		#6
issaenis New Member Chalghoum Issa Join Date: Oct 2014 Posts: 9 Rep Power: 11	the boundary conditions are: Flow simulation domain ; Impeller and volute Grid ; Impeller structured, volute unstructured Fluid ; Water at standard conditions Inlet ; Total pressure = 1 atm Outlet ; Mass flow = q (kg/s) Turbulence model ; k-ε and SST Interface1 pipe-impeller ; Frozen rotor Interface2 impeller-volute ; Frozen rotor Convection scheme ; second order RMS (root mean square) ; 4-Oct current simulation an error message appear. in this figure can help me to correct this error

January 11, 2015, 19:05		#8
Chris_321 Member Christian Join Date: Sep 2013 Location: Germany Posts: 88 Rep Power: 12	Is your axis of rotating according to the right hand rule? I would suggest to move your inlet a little bit further away from the rotating part

January 18, 2015, 05:44		#9
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	FAQ: (The FAQ comment applies to inlets and outlets) http://www.cfd-online.com/Wiki/Ansys...f_an_OUTLET.22