wind speed below 50 meters?

jebidiah · 2011-03-30 14:48:09

Hi there, ive been doing some searching online to try and find this, but i thought id turn to the ever reliable baords! im trying to size a wind turbine for an electrical services design project. i cant seem to find any figures for wind speeds below 50 meters?? is there any way to calculate the wind speed at a lower…

30-03-2011 03:48PM

#1

jebidiah

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Hi there, ive been doing some searching online to try and find this, but i thought id turn to the ever reliable baords!

im trying to size a wind turbine for an electrical services design project. i cant seem to find any figures for wind speeds below 50 meters??
is there any way to calculate the wind speed at a lower height??
thanks!

john

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#2 30-03-2011 05:01PM

jebidiah

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for anyone who may be interested

http://adsabs.harvard.edu/abs/1976GeoRL...3..261J
with an explantion on wikipedia
http://en.wikipedia.org/wiki/Wind_profile_power_law

thw above method is not very acurate, but should be ok for use in my project, as it shows a bit of research, right?

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#3 31-03-2011 09:09AM

quentingargan

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There is a calculator here which does a calculation based on an estimation of the roughness class.

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