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How to calculate the torque in transient Ansys Fluent

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Old   January 25, 2016, 13:34
Default How to calculate the torque in transient Ansys Fluent
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Ronald Thompson
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Hi,
I am trying to determine the optimum angle of attack at each position for a VAWT turbine for a certain airfoil, I want to export the torque at each time step of my transient analysis for the entire rotation. I am using fluent 14.5

A similar question was asked in the CFX forum where someone commented "I would export the torque versus time history To get the full time history, make a monitor point set to torque_x/y/z()@location and then export this point in the solver manager" it was recommended I repost here.

I tried creating a monitoring point and setting the expression as stated above in the calculation activities in fluent but when I run it is says invalid command

what am I doing wrong? have you to use a different approach in fluent than CFX?

Thanks
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Old   January 26, 2016, 11:44
Default How to calculate the torque in Ansys Fluent
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Radwanma
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Hi all,

I have built a full wind turbine model but I have problem when I run the model in Fluent I have not got right Cm ( torque coefficient) values ??? Can someone give me a piece of information or any advice about that, please ?!

Thanks,
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Old   January 26, 2016, 13:28
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Ronald Thompson
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Hi,
are you doing 2d/3d analysis?
make sure you have set your reference values correctly
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Old   January 27, 2016, 06:10
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Radwanma
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HI Ronald,

Thanks for quick response. I have built a 3D model as shown below but Cm values still low !!!!!
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