CFD for pumps
 

Hello everybody on forum

Can someone clarify why CFD analysis is required at intake side (suction side ) while designing large pumps,since small types of pump generally not required CFD analysis for design at suction side.

Re: CFD for pumps
 

What type of pump are we talking about?

Re: CFD for pumps
 

(1). I guess the smaller pumps cost less, so you don't want to spend a lot of time there. (2). A larger one will cost much more in casting and machining, so, there are room to do analysis and design to make sure that everything is all right. (3). A larger one sometimes is custom made. So, it is likely to do analysis. (4). CFD analysis of pumps is still relatively new, and it is rarely done in most cases.(it is still very difficult, although not impossible.)

Re: CFD for pumps
 

Hello John

Thanks for clarification

sameer

Re: CFD for pumps
 

Hello Ahmed

Type of pump is centrifugal

Sameer Mohrir

Re: CFD for pumps
 

I have worked on the design of internal-external gear pumps for automotive applications (Gerotors, crescents, etc). Occasionally you see someone doing a very nice and computationally expensive moving mesh simulation to check out the inlet port design.

The reason being that above a certain speed the inlet pressure will drop sufficiently to allow cavitation. This results in very noisy and inefficient operation.

Hope this helps.

Zeb

Re: CFD for pumps
 

Hello Zeb

Pls . can you clarify in detail.

regards

sameer