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Wednesday, May 28, 2014

Harness your own wind

From dutchnews.nl

Engineering and Technology Magazine (link may require registration) reports on a new Dutch design for domestic wind turbines.

A super-efficient and completely soundless wind turbine developed by a Dutch company aims to enable every household to generate its own wind energy.

Officially unveiled today, the shell-shaped Liam F1 Urban Wind Turbine offers much better efficiency compared with conventional designs. Its shape, modelled after the perfectly logarithmic spiral of a Nautilus shell, allows the turbine to always position itself at the best angle towards the direction of the wind, achieving efficiency which is about 80 per cent of what is theoretically possible.

With an average speed of wind of about 5m/s, the turbine generates about 1,500 kilowatt-hours of energy – about half of the consumption of a regular household. The Archimedes, the company behind the Liam F1 Urban Wind Turbine, believes that in combination with efficient solar panels, the turbine can make every household completely energy self-sustainable.


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4 comments:

Sackerson said...

EROEI?

Christopher said...

"generates about 1,500 kilowatt-hours of energy" -- over what period? Averaged over a year? That's about 170 watts, which seems possible. But how is it stored, wind being so variable?

Paddington said...

That is over a year, according to another article. So, enough to power about 10 of the CFC light bulbs.

A K Haart said...

Sackers - if it's respectable I'm sure the PR guys would have let us know.

Christopher - I suppose it could be stored as hot water, but that adds more complexity.

Paddington - yes, okay for parties on windy nights.