Author Topic: Wind Power News  (Read 5422 times)

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Offline WooferHound

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world's most powerful wind turbine has begun operating
« Reply #15 on: January 30, 2014, 06:45:07 PM »
World's most powerful wind turbine has begun operating

http://phys.org/news/2014-01-vestas-powerful-turbine.html
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Offline bj

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Re: Wind Power News
« Reply #16 on: January 31, 2014, 06:13:30 AM »
  Thanks Woof.  Good reads.
"Even a blind squirrel will find an acorn once in a while"
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Offline WooferHound

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The Future of Wind Turbines? . . . No Blades
« Reply #17 on: May 17, 2015, 04:22:08 PM »
The Future of Wind Turbines? . . . No Blades

http://www.wired.com/2015/05/future-wind-turbines-no-blades/

Instead of capturing energy via the circular motion of a propeller, the Vortex takes advantage of what’s known as vorticity, an aerodynamic effect that produces a pattern of spinning vortices. Vorticity has long been considered the enemy of architects and engineers, who actively try to design their way around these whirlpools of wind. And for good reason: With enough wind, vorticity can lead to an oscillating motion in structures, which, in some cases, like the Tacoma Narrows Bridge, can cause their eventual collapse.
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Offline oztules

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Re: Wind Power News
« Reply #18 on: May 18, 2015, 01:00:41 AM »
The article is written in environmental speak.... words and some vauge science.... and makes no sense in the real world.

If you were to get their claimed figures and find out what they really mean, then I suspect their 30% compared to normal mill will look decidedly like .03% in reality, as it has no swept area....

So perhaps we can rely on their figures to mean  30% less efficient in converting kinetics to power... then take out the ratio of swept area of the prop version to the pencil version of theirs...their power figures disappear into obscurity...... it feels like cold fusion..... or more likely, global warming .... money for nothing... ie research grants and feed money... and no product......... as it was never going to work usefully, or as purported.


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Offline rossw

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Re: Wind Power News
« Reply #19 on: May 18, 2015, 05:44:37 AM »
So perhaps we can rely on their figures to mean  30% less efficient in converting kinetics to power... then take out the ratio of swept area of the prop version to the pencil version of theirs...their power figures disappear into obscurity......

Oh, don't go ruining their perfectly good fund-raising model with facts, oz! That's un-american!
(What? You're Australian? Home of the tall-poppy syndrome? Hah, go your hardest mate, they deserve some critical questioning of their nonsense claims!)

Offline rclark

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Re: Wind Power News
« Reply #20 on: May 29, 2015, 05:08:25 PM »
Good summary oztules, some of those no-blade-turbine claims definitely raised red flags, although I am curious to see how they pan out in the real world.

Offline WooferHound

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US clean energy suffers from lack of wind
« Reply #21 on: September 05, 2015, 10:23:33 AM »
Electricity generated by US wind farms fell 6 per cent in the first half of the year even as the nation expanded wind generation capacity by 9 per cent, Energy Information Administration records show.

The reason was some of the softest air currents in 40 years, cutting power sales from wind farms to utilities. The feeble breezes come as the White House is promoting renewable energy, including wind, as part of its Clean Power Plan to counter greenhouse gas emissions.

http://www.cnbc.com/2015/09/01/financial-times-us-clean-energy-suffers-from-lack-of-wind.html
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Offline Wolvenar

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Re: Wind Power News
« Reply #22 on: September 06, 2015, 11:43:06 AM »
Well that's strange. I could have swore there was more hot air that usual coming from Washington. Maybe the wind generation is just in  the wrong spot the capture?
Trying to make power from alternative energy any which way I can.
Just to abuse what I make. (and run this site)

Offline WooferHound

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Sony Developing Sulfur Batteries With 40 Percent More Energy Density
« Reply #23 on: December 19, 2015, 01:21:50 AM »
http://hothardware.com/news/sony-developing-sulfur-smartphone-batteries-with-40-percent-higher-energy-density

Sony’s batteries use a sulfur compound instead of lithium compounds for the positive electrodes, allowing for much great energy density. Sony’s sulfur batteries can also be made 30 percent smaller than traditional lithium-ion cells while maintaining the same run times.
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Offline WooferHound

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Making molds for blades using 3D printers
« Reply #24 on: February 09, 2016, 01:54:17 PM »
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Offline WooferHound

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Computers designing new types of magnets
« Reply #25 on: April 16, 2017, 04:32:15 PM »
Computers are designing and building magnetic materials with new properties
https://phys.org/news/2017-04-recipe-magnetic-materials.html
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Offline bj

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Re: Wind Power News
« Reply #26 on: April 17, 2017, 06:57:32 AM »
   Interesting, as always Woof.
"Even a blind squirrel will find an acorn once in a while"
bj