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Showing results 1 to 7 of 7 Search took 0.00 seconds. Search: Posts Made By: turbo

Forum: CFX April 10, 2017, 13:10

Replies: 18 Cfx centrifugal analysis impeller hub diameter Views: 2,168 Posted By turbo Any of what you asked should work. Any of what you asked should work.

Forum: CFX April 10, 2017, 11:19

Replies: 18 Cfx centrifugal analysis impeller hub diameter Views: 2,168 Posted By turbo Fan CFD is very tricky because of so low... Fan CFD is very tricky because of so low compressibility. In other words the map gets quite flat compared to compressors, meaning flow changes at very tiny pressure changes.

Forum: CFX April 9, 2017, 07:24

Replies: 18 Cfx centrifugal analysis impeller hub diameter Views: 2,168 Posted By turbo Your post shows the exit-massflow-BC for fan1 and... Your post shows the exit-massflow-BC for fan1 and fan2. Try them with pressure BC.

Forum: CFX April 8, 2017, 08:48

Replies: 18 Cfx centrifugal analysis impeller hub diameter Views: 2,168 Posted By turbo If you are confident with the interface setting,... If you are confident with the interface setting, try it using p-static-exit BC.

Forum: CFX April 6, 2017, 17:01

Replies: 18 Cfx centrifugal analysis impeller hub diameter Views: 2,168 Posted By turbo Above all, your interfaces of S1-S2-R1 look... Above all, your interfaces of S1-S2-R1 look messed up. If more help, provide their definitions with physical hardware shapes. BCs should be p-total-inlet and p-static-exit.

Forum: CFX April 6, 2017, 09:01

Replies: 18 Cfx centrifugal analysis impeller hub diameter Views: 2,168 Posted By turbo A big change between fan1 and fan2 geometry in... A big change between fan1 and fan2 geometry in CFD looks whether the inlet pipe volume is reduced or not. Check how you treated the interface between the pipe and the rotor, especially matching...

Forum: CFX April 4, 2017, 21:12

Replies: 18 Cfx centrifugal analysis impeller hub diameter Views: 2,168 Posted By turbo If you want to get some help, provide details on... If you want to get some help, provide details on what performance changes made you confused after changing the hub diameter from what to what.

Showing results 1 to 7 of 7

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