How to define number of blades using rotational periodicity in cfx-pre?

li0012in · January 21, 2012, 04:00

I am trying to simulate rotation of a 10 blade turbine fan. I understand that by using periodicity, 1 blade can be used to simulate the 10 blades, as seen in the multi-phase flow tutorial in cfx 13. I also did the drop curve for cavitation flow simulation in the tutorial.

However, what I don't understand is how do you define the number of blades? If I have ten blades then the rotational periodicity is 36degree? Where do I specify that?

Far · January 22, 2012, 02:40

Use turbo Mode

January 21, 2012, 04:00	How to define number of blades using rotational periodicity in cfx-pre?	#1
li0012in New Member calvin Lin Join Date: Dec 2011 Posts: 11 Rep Power: 14	I am trying to simulate rotation of a 10 blade turbine fan. I understand that by using periodicity, 1 blade can be used to simulate the 10 blades, as seen in the multi-phase flow tutorial in cfx 13. I also did the drop curve for cavitation flow simulation in the tutorial. However, what I don't understand is how do you define the number of blades? If I have ten blades then the rotational periodicity is 36degree? Where do I specify that?

January 22, 2012, 02:40	Turbo Mode	#2
Far Senior Member Sijal Join Date: Mar 2009 Location: Islamabad Posts: 4,558 Blog Entries: 6 Rep Power: 54	Use turbo Mode

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