Isn’t this beautiful:
Story behind it from withouthotair.blogspot.com/2010/01/wind-farm-wakes.
So don’t parade-ground them like that. Duh!
Beautiful – yes! As are the physics. It seems that one could rather simply figure out the locations of the pressure shadows and vortices shed during particular wind conditions (especially with the help of the fantastic experiment illustrated here) and plan better in the future.
As a side note on beauty in fluids: the educated audience here may all be familiar with this one (http://upload.wikimedia.org/wikipedia/commons/2/2c/Vortex-street-1.jpg), but how about this one (http://en.wikipedia.org/wiki/File:Airplane_vortex_edit.jpg)?
Yeah, but if they were _really_ efficient at capturing energy out of the air, there would be carbon dioxide snow flurries and liquid oxygen and nitrogen rain behind the turbines, not just a little water vapor fog.
The actual paper is interesting; the picture is of the worst case, wind directly in line.
But I wonder if they could map the vortices coming off those things to use them — think how geese fly in a ‘V’ — trading off the difficult point position– all the rest picking up energy from the vortexes.
I’d bet in a decade a wind generator will look more like a bird’s wing, an array of ‘feathers’ flexing and transferring that motion into useful electricity, with something like this:
Current ideas about using the vortexes include:
tampering with nature again . . . how long before this activity is frowned upon?
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So gushes Mother Jones, adding the enticing word “exclusive” to the story. But – weirdly…
Shamelessly stolen from Brian at Eli’s (this is about plagiarism, after all) is the Ed…
Well, ATTP tweeted it, poor trusting soul that he is, having been unwise enough to believe…
Well, here it is:
Why am I showing you this? Mostly because its rather striking, partly because…
The long slow wiki edit war over exactly what sort of denier AW is continues…