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-   -   Excessive torque (cm) for 2D vawt (https://www.cfd-online.com/Forums/fluent/120099-excessive-torque-cm-2d-vawt.html)

 Borjinho June 30, 2013 16:33

Excessive torque (cm) for 2D vawt

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Hi,
I am simulating a 2D VAWT using a sliding mesh and I get excessive values of torque (cm). Maybe I am defining wrong the values of area, length and depth in the section "Reference Values". Someone can help me?
The velocity inlet (wind velocity) is 5 m/s, the angular velocity w= 20 rad/s for a TSR=2. I attached a picture with the measures of the Vawt.

Thank you very much.

 mct90 April 17, 2014 07:26

Quote:
 Originally Posted by Borjinho (Post 436940) Hi, I am simulating a 2D VAWT using a sliding mesh and I get excessive values of torque (cm). Maybe I am defining wrong the values of area, length and depth in the section "Reference Values". Someone can help me? The velocity inlet (wind velocity) is 5 m/s, the angular velocity w= 20 rad/s for a TSR=2. I attached a picture with the measures of the Vawt. Thank you very much.
Hi , why did you take this values for your boundaries? Is there any reference for them?

Thank you

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