Case Pump
Hello
I have two questions about case pump in dual sphysics , would you please help me?
First ,How can i do post-processing for vtk files of Case Pump in ParaView after a complete run?
I mean how can i get ,for example, the Head-Q Diagram?
And Second question ,How can i validate Case Pump with experimental data?
Thank you very much ,best regards and stay healthy
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Comments
Head-Q diagram cannot be computed inside Paraview. You need to use the Flowtool to compute the discharge and the MeasureTool for the water elevation and use those information to create the H-Q plot. You need also to run multiple simulations (one for each point of your H-Q curve).
I strongly suggest to check the wiki where all those information are included: https://github.com/DualSPHysics/DualSPHysics/wiki
There are no experimental data for the Case Pump test case (as far as I know). The purpose of the test is to show who moving/rotating objects can be simulated in DualSPHysics.
I hope it helps
Best Regards
Thank you for your reply Dr Renato Vacondio
It was so helpful
Thanks a lot
Best Regards
Hello
I'm trying to simulate a centrifugal pump in Dual SPHysics v4.0.
As you know, there isn't any valve in Case Pump configuration or xml file to change the Q value.
Only parameters that I have for changing are : dp...size of fill box...rotational speed and time of simulation.
How can I test several Q in the pump to get the curve Head-Q diagram?
I mean what parameter should be changed in every single simulation that needed for each point of H-Q diagram?
Best Regards
Hi,
I think Q is a function of the rotational speed of the pump. If you change this, you will have a different Q and H.
If you really want a valve, you can add one, but I don't see the point, because then you ar eenot modelling the effect of the pump and its characteristics but rather the valve and its effects on flow
Best Regards,
Hi
Thank you so much
If I change the rotational speed of pump, how can I validate for example the H-Q of pump with experimental data and diagrams? cause every H-Q diagram that I saw in experimental and industrial catalogues, had constant rotational speed.
Best Regards
Hi,
It seems your question is more about general hydraulic understanding than DSPH. I'm not a pump expert and cannot help you there (neither I am a DSPH expert for that matter, but can help sometimes).
Good luck
Best regards
Thank you so much
Best Regards