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Forum Index : Windmills : power coefficient

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Juan Antonio
Newbie

Joined: 19/01/2006
Location:
Posts: 2
Posted: 03:35pm 13 May 2006
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Hi everybody!

I am an Spanish student and I am doing an study of a home-built windmill.
Now I am looking for the relation between the power coefficient and the Tip Speed Ratio for a three blade rotor with a NACA 4412 airfoil.
It would be very helpfull if someone could give me where I can find some information about this (specially a Cp vs. TSR graph for this kind of blades).

Thank you very much
 
whirlybird

Newbie

Joined: 08/02/2006
Location:
Posts: 27
Posted: 10:18pm 14 May 2006
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Hello Juan Antonio.
Follow this link to our Irc gallery and look at the album called Bobs Stuff.
you will find a lot of charts and calculators on there that may be of help to you. By the way welcome.
http://www.anotherpower.com/gallery/albums.php
have fun
whirlybird
I am because I am.I am not always right but often I am.
 
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