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Offlinenice1
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Registered: 09/26/09
Posts: 10,449
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How do I
    #15002037 - 08/30/11 02:07 PM (12 years, 8 months ago)

I'm making a wind turbine and I was going to experiment with a few different designs.

How do I work out the efficiency of my turbine?

What is the efficiency of best existing wind turbine?

Since I live in Britain I'm also considering building a rain turbine.  It rains a lot here :tongue:

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InvisibleDieCommie

Registered: 12/11/03
Posts: 29,258
Re: How do I [Re: nice1]
    #15002096 - 08/30/11 02:23 PM (12 years, 8 months ago)

There are different kinds of efficiency, so first carefully consider what exactly you are looking for.  The simple way to consider efficiency is to simply take the ratio of energy extracted from the total energy available.  Your column of air has an amount of energy in it, and your device extracts a portion of this energy.  So calculate the energy in the moving column of air, measure how much energy you extract and there you have your efficiency.  But power efficiency might be a better quantity to calculate, since the turbine provides power every moment, and only provides energy over a period of time.  Also, your efficiency will likely be different for different winds speeds.

Edited by DieCommie (08/30/11 02:32 PM)

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