Forum: CFX
May 9, 2012, 05:26
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Replies: 30
Views: 5,260
Hi Altano and ghorrocks,
Thank you both for...
Hi Altano and ghorrocks,
Thank you both for your replies. I have always calculated the power in the fluid flow, for example if I was modeling a wind turbine, P = 1/2 ρAU^3 where U is the...
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Forum: CFX
May 4, 2012, 12:48
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Replies: 30
Views: 5,260
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Forum: CFX
May 4, 2012, 12:02
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Replies: 30
Views: 5,260
Hi Altano,
I tried the method you outlined...
Hi Altano,
I tried the method you outlined again, it seems to make a difference. Further work needs to be done to be sure....
I'll report back with progress.
Once again thanks again for the...
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Forum: CFX
May 4, 2012, 10:38
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Replies: 30
Views: 5,260
Hi ghorrocks,
"When you are converging on...
Hi ghorrocks,
"When you are converging on the wrong answer it tells you that you have missed an important piece of physics in your simulation."
This is what I was referring to when I asked about...
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Forum: CFX
May 4, 2012, 08:04
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Replies: 30
Views: 5,260
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Forum: CFX
May 4, 2012, 07:55
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Replies: 30
Views: 5,260
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Forum: CFX
May 4, 2012, 05:30
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Replies: 30
Views: 5,260
Hi All,
Update.
I have set up a model...
Hi All,
Update.
I have set up a model under the same conditions as the well known experiment (published work), however, I am still half way off the experimental result?
I have refined the...
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Forum: CFX
April 26, 2012, 09:11
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Replies: 30
Views: 5,260
Hi altano and ghorrocks,
Again, thank you...
Hi altano and ghorrocks,
Again, thank you both. I will work on this immediately and report back soon with results of keeping the geometry in CFX the same as experiment.
I will deal with the...
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Forum: CFX
April 26, 2012, 07:31
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Replies: 30
Views: 5,260
Hi altano,
Thanks for the quick reply. I...
Hi altano,
Thanks for the quick reply. I scaled up the turbine size but kept the tip speed ratio constant (as size goes up a velocity must change). Do you think keeping the blade size the same as...
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Forum: CFX
April 25, 2012, 14:06
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Replies: 30
Views: 5,260
Hi ghorrocks,
Thanks again for your reply. I...
Hi ghorrocks,
Thanks again for your reply. I have read through this previously on countless occasions but is always a worthwhile read!
A question regarding rotation direction; my turbine blade...
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Forum: CFX
April 23, 2012, 09:50
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Replies: 30
Views: 5,260
Hi ghorrocks,
Thanks for your reply. I have...
Hi ghorrocks,
Thanks for your reply. I have set up this model initially with a very coarse mesh and increasing the density until grid convergence was achieved. However, grid convergence was...
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Forum: CFX
April 22, 2012, 19:43
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Replies: 30
Views: 5,260
Hi Far,
Thanks for your reply, I understand...
Hi Far,
Thanks for your reply, I understand what you outline but I have taken these areas individually previously, but to no avail. I was wondering about the rotation direction of the rotating...
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Forum: CFX
April 22, 2012, 19:22
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Replies: 30
Views: 5,260
Hi Far,
Thanks for your reply, I understand...
Hi Far,
Thanks for your reply, I understand what you outline but I have taken these areas individually previously, but to no avail. I was wondering about the rotation direction of the rotating...
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Forum: CFX
April 22, 2012, 08:24
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Replies: 30
Views: 5,260
Water turbine model
Hi,
I am currently modelling a water current turbine. I have followed the methods outlined in the ANSYS CFX tutorials using frozen rotor/multiple reference frame approach. The turbine has 3 blades...
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