Airfoils for 10 kW variable speed wind turbine

Discuss acquisition, use, and manipulation of airfoil data.

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Irfan.Zafar
Posts: 14
Joined: Mon Jun 18, 2012 1:27 pm
Organization: Global Blade Technology
Location: Netherlands

Airfoils for 10 kW variable speed wind turbine

Postby Irfan.Zafar » Mon Jul 30, 2012 7:16 am

Hi,
Can anyone recommend some airfoils (minimum 14% thick) for 10 kW variable speed HAWTs? The Reynolds number is in the range of 200,000 to 1 million.
I have examined SG 60xx airfoils but they are not insensitive to roughness.
Thanks,

Kind regards,

Irfan

Marshall.Buhl
Posts: 437
Joined: Fri Oct 21, 2005 10:22 am
Organization: NREL/NWTC
Location: Boulder, CO
Location: Boulder, CO
Contact:

Re: Airfoils for 10 kW variable speed wind turbine

Postby Marshall.Buhl » Mon Aug 06, 2012 2:50 pm

Please visit the Airfoils section of our web site:

http://wind.nrel.gov/airfoils/AirfoilFamilies.html
Mr. Marshall L. Buhl Jr.
NWTC-3811
National Renewable Energy Laboratory
Golden, CO 80401 USA
Marshall.Buhl@nrel.gov
Voice: +1 (303) 384-6914
Cell: +1 (303) 915-6623
Fax: +1 (303) 384-7079

Irfan.Zafar
Posts: 14
Joined: Mon Jun 18, 2012 1:27 pm
Organization: Global Blade Technology
Location: Netherlands

Re: Airfoils for 10 kW variable speed wind turbine

Postby Irfan.Zafar » Wed Aug 08, 2012 3:31 am

Dear Marshall,
Thank you for your reply. Actually I already have looked at NREL airfoils but a license is required to use those airfoils, which is not an option for me now. So, I am looking for some suitable "free airfoils" for 10 kW variable speed, pitch regulated wind turbine blade (4.6 m blade, Reynolds number ranging from 200,000 to 800,000).

Kind regards,

Irfan

Marshall.Buhl
Posts: 437
Joined: Fri Oct 21, 2005 10:22 am
Organization: NREL/NWTC
Location: Boulder, CO
Location: Boulder, CO
Contact:

Re: Airfoils for 10 kW variable speed wind turbine

Postby Marshall.Buhl » Thu Aug 09, 2012 12:00 pm

Dear Irfan,

Have you contacted our Tech Transfer Office about licensing? Not all our airfoils require royalties and for those they do require royalties, the rates vary with the situation.

You might search for Michael Selig's site at UIUC. There may be something there for you.


Marshall
Mr. Marshall L. Buhl Jr.
NWTC-3811
National Renewable Energy Laboratory
Golden, CO 80401 USA
Marshall.Buhl@nrel.gov
Voice: +1 (303) 384-6914
Cell: +1 (303) 915-6623
Fax: +1 (303) 384-7079


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