FAST Simulation with fixed turbulence intensity

Discuss the effects of turbulence on wind turbines and its simulation.

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Piero.Mazza
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Joined: Fri May 31, 2019 12:13 am
Organization: TU Delft
Location: The Netherlands

FAST Simulation with fixed turbulence intensity

Postby Piero.Mazza » Mon Jul 08, 2019 7:27 am

To whom it may concern,

I would need to run a FAST simulation imposing a fixed value of turbulence intensity for different wind speeds (meaning that i don't want to follow the scaling rules prescribed by the IEC 61400 standards). Can anybody please tell me if it is possible and how to do it?
Thank you in advance.

with Kind Regards,
Piero.

Jason.Jonkman
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Joined: Thu Nov 03, 2005 4:38 pm
Location: Boulder, CO
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Re: FAST Simulation with fixed turbulence intensity

Postby Jason.Jonkman » Mon Jul 08, 2019 9:51 pm

Dear Piero,

Yes, this is certainly possible. Instead of following the turbulence scaling according to IEC 61400, you can specify the turbulence intensity directly in TurbSim via input parameter IECturbc.

Best regards,
Jason Jonkman, Ph.D.
Senior Engineer | National Wind Technology Center (NWTC)

National Renewable Energy Laboratory (NREL)
15013 Denver West Parkway | Golden, CO 80401
+1 (303) 384 – 7026 | Fax: +1 (303) 384 – 6901
nwtc.nrel.gov


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