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How can the vertical wind direction be measured?

For a project I have to design a wind turbine and I would like the blades to make slight adjustments based on the wind direction in order to achieve the most efficient energy conversion. Whilst I can use a wind vane to get the direction of the wind on a horizontal plane; I have been unable to find a method for finding the direction of the wind on a vertical plane.

I would appreciate any help.

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  • $\begingroup$ To what budget? $\endgroup$
    – 410 gone
    Jan 7 '17 at 21:33
  • $\begingroup$ @EnergyNumbers Anything under £3,000,000 ($3,700,000 USD) $\endgroup$
    – Dan
    Jan 7 '17 at 21:36
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Given the budget of up to £3m, then lidar scanning seems to be current state of the art for 3-d profiling of wind for active management of wind turbines.

Here's a sample business case for one.

The WINDCUBE v2 is a vertical wind profiler that uses doppler pulsed lidar. Here's a presentation on it.

As far as I know, lidar has mostly been used in offshore wind. There are quite a few academic papers on its use in the wind industry. I don't know what, if anything, has been done about processing vertical-plane wind data, but there's an increasing number of conference= and journal- papers on yield optimisation for wind turbines, so there could be quite a bit of existing literature in the field on this already.

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