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Torque Calculation

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Old   September 15, 2015, 15:19
Default Torque Calculation
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Aja
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Hi,

I am simulating an axial flow air turbine (the Wells turbine for extracting wave energy) using MRF. The problem is when i calculate the blade torque, it gives a value close to zero!


The solution is converged well but the problem is with the moment report. my torque is very low . I tried different mesh topologies and all give me almost the same number (which is very low compared to experiments). Is there any adjustment that must be made in fluent before starting the calculations?



I am really grateful that guide me about this.

Thanks,

Best,

Aja

Last edited by aja1345; September 19, 2015 at 02:06.
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Old   September 16, 2015, 04:00
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Can anybody assist?

Thanks
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Old   September 16, 2015, 10:05
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Ali
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The value of torque depends on the blade pitch angle or twist. If your blade is straight, no twist, no pitch angle or no flow angle of attack then torque will be minimum.

Try giving flow velocity components to set flow angle of attack.

Share geometric specifications, if possible.

Hope it will help.
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