Meshing an impeller with bellmouth intake and a gap

Daniel DA · May 20, 2016, 09:03

Hi guys,

have another question for my project. Do someone know how i can mesh the impeller with a bellmouth intake? The problem is the gap between these components. I thought about makeing the gap a secound outlet. Is this even possible?
Or should i make two components, the bellmount intake in IGG and the impeller in AutoGrid5?

I put the meridional in the attachment. Thanks for answers.

Hamidzoka · May 23, 2016, 00:35

what is the problem? the step that exists on shroud curve?

Daniel DA · May 23, 2016, 06:35

The problem is that the shroud curve is not closed, so if i great the topology the flow paths looked really bad and i´m not sure if NUMECA realizes the gap and that there can appear backflow.

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May 23, 2016, 00:35		#2
Hamidzoka Senior Member Hamid Zoka Join Date: Nov 2009 Posts: 282 Rep Power: 18	what is the problem? the step that exists on shroud curve?

May 23, 2016, 06:35		#3
Daniel DA New Member Join Date: Apr 2016 Posts: 13 Rep Power: 10	The problem is that the shroud curve is not closed, so if i great the topology the flow paths looked really bad and i´m not sure if NUMECA realizes the gap and that there can appear backflow.