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Search: Posts Made By: Attesz
Forum: CFX May 27, 2012, 06:58
Replies: 18
Views: 5,658
Posted By Attesz
Did you measure the parameters of the perf. map...

Did you measure the parameters of the perf. map or just calculated? If you trust in your data, then check the mesh maybe. What it the PR of surge and your PR?
Forum: CFX May 25, 2012, 15:41
Replies: 18
Views: 5,658
Posted By Attesz
Hi, sounds like you have reached the surge. Take...

Hi, sounds like you have reached the surge. Take into account that RANS simulations usually underpredict the performance curve, but URANS are closer to the real operation, meaning that you have...
Forum: CFX May 25, 2011, 05:24
Replies: 18
Views: 5,658
Posted By Attesz
Hi Jamshid, Your website contains few...

Hi Jamshid,

Your website contains few information about your turbine, if you could, please share with us (or only with me :) ) more information. I'm very interested in your developments because...
Forum: CFX October 25, 2009, 07:26
Replies: 18
Views: 5,658
Posted By Attesz
I've made it by using the interpolation function...

I've made it by using the interpolation function and the "aitern" expression, it' works.

Thank you!

Best regards,
Attesz
Forum: CFX October 24, 2009, 16:30
Replies: 18
Views: 5,658
Posted By Attesz
Thank you! I've modified the boundary...

Thank you!

I've modified the boundary conditions, try a lot of modifications in geometry, without results.

But I've found some information about simulation of compressors in this document:
...
Forum: CFX September 22, 2009, 18:33
Replies: 18
Views: 5,658
Posted By Attesz
Unhappy Centrifugal compressor mass flow error

Hi all,
I'm modelling a micro gas turbine engine(for RC airplanes). It has a centrifugal compressor wheel, a diffuser, combustion chamber, axial turbine and a nozzle. The compressor pressure ratio...
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