Hello World’s Ashlee Vance paid a recent visit to Iceland’s capital city of Reykjavik to see the next part of the green energy story. He found a start-up called Icewind that is building a new type of funky wind turbine designed to perform well in low-wind conditions but also to slow itself down in high-winds, preventing it from catching on fire or ripping apart.
Watch the full episode of 'Hello World: Iceland': https://www.youtube.com/watch?v=n8ZRTJQAcjU
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Imagine anything not secured on a merry-go-round (tiovivo in Spanish). It will be flung outward. So while the one blade is catching the wind, it is causing air to move outward from above and below on the other 2 vanes. An area for improvement?
Millions were put into research of these turbines and they cannot produce more energy than the control eats up. The project was eventually put down, after years of financial and cognitive input. Contact me and I will direct you to the company, university and production chief, if you are interested.
Would the Savonius vertical axis wind turbine be viable if it were made of plastic? You could make the turbines must cheaper by plastic injection molding instead of having to make a metal turbine, I think. Plus you could use recycled plastic for the turbine, couldn't you? . I am no expert but I would think that a plastic rotor could be made strong enough. Is there something I am missing?
old technology, but still a bad choice.. LENZ vawts are ultimately more effecient from the push/pull design of the actual airfoil.
mine is about the same size as that one but it puts out 1kwh of power ( MOUNTED A FOOT OF THE GROUND)
What if you made a cheaper electrostatic version of this wind power? Where the spinning of fans will cause it to mechanically rub the carpet or similar material to pvc pipe rapidly and generate large amounts of static electricity. You then convert this static electricity to AC or DC power. The taller the pvc pipe the better. Attaching pvc pipe on terrace of a tall building or top of a mountain even better. Covering pvc pipe with copper coil on the inside even more better.
"One of Wind Power's Biggest Problems I thought that this videos would be about the slaughter of birds. I moved to the Columbia Hills (which flank the Columbia River in Washington State) in 2000. In 2000, anytime one looked at the sky one saw hawks and eagles circling; when driving down a country road paralleling the Columbia Hills, it seemed as if there was a raptor perched on every telephone poll. Then they built the wind farms. Now all the hawks and eagles are GONE, slaughtered by the wind turbines. WIND TURBINES ARE EVIL. Or, perhaps I should say, conventional wind turbines are evil. It looks like this design will prevent bird-kill. Perhaps it will replace conventional turbines, for efficiency reasons. DISMANTLE ALL CONVENTIONAL WIND TURBINES!!
Wind turbines currently in use are serious noise polluters, people can't stand to live near one. And they are infamous bird killers.
There are people who's lives are ruined when those wind turbines are built near their homes, from the horrible noise, and they can't sell their homes and move: no one will buy them, because of the noise.
This would be great here in the Mojave desert. Even in low wind conditions it's still wind!! This would definitely give the energy company a run for it's money. I would love to have one in my backyard and get off the grid.
You have to be pretty stupid to think "most people don't even know what it is. They think it is a sculpture or something..." Fucking idiot. That or people in Iceland are retarded. I am going to go with the "former nuclear engineer" that now makes turbines out of a small shop. Probably why he is a former nuclear engineer. lmfao
They should just put gears on the conventional turbines so that there is more resistance in faster wind. That the gears would just generate more power, while slowing down the turbine. A gliding transition like some Mitsubishis have.
NREL National Renewable Energy Labs (US) stopped all testing on VAWTs because of inefficiency, unreliability and high cost of maintenance. I live close to an NREL test site near Boulder, CO. There are many standard 3 blade designs that undergo testing. As a hobby, I did a lot of research into renewable energy, especially wind turbines. Despite looking cool, I discovered that the VAWTs were essentially worthless.
It is not even close to being a new idea. Google Savonius turbine. The Savonius wind turbine was invented by the Finnish engineer Sigurd Johannes Savonius in 1922. The Savonious gets less efficient the higher the wind speed goes. It is fine for low speed things like water pumping or low power needs, but is very low efficiency compared to conventional turbines. The fact that it starts spinning in low wind is useless, because there is nearly no usable power in low wind speeds. The power available in wind goes up as the cube of the windspeed, so doubling the windspeed gives you 8 times as much power. 7.5 minutes of 8mph wind is worth 1 hour of 4mph wind is worth 8 hours of 2mph.
BTW this is not even close to windpower's biggest problem, storing electricity for when you need it is.
The problem with this tech is that it can't be built GRANDE without also having a netted cage around it which must be as big as the wheel itself if it's to be mounted anywhere near where people or animals live.
In its current design, it's a so called "Bird-eater/exterminator". . ;)
We have the same problem with the "S"-shaped vertical windmill. Excellent tech, but Seriously Dangerous to everyone around it. Many little kids fingers have been eaten by that one. ;)
You know how they keep saying that eagles get killed by the big windmills ? ( I think it just opponents of windmills that are saying it ) it would take a very stupid bird to kill itself on one of these type. in fact I don't think anyone would believe it if they said these were killing anything.
well I don't know about you, but I definitely want one of these bad boys at my house, in fact I want a dozen ! :D
Coal miners lives and livelihoods could be saved if the USA, rather the United Soviet Alliance, admits climate change is real and actually does something to improve the lives of coal miners. Wait for the impeachment and subsequent jail sentence of the orange habitual liar in the extremely white White House
Always worth pointing out that CO2 comprises just 1/25th part of ONE percent of the Earth's atmosphere...and that the dominant 'greenhouse gas' water vapour at around FOUR percent is in limitless supply.
Great, now how big do they hav to be to generate grid levels of power?
Look at the bus stop, two big units to power a wifi hotspot and phone charger? How friggin' big would they have to be to power a whole home? Or a neighbourhood?
Rocks too are cheap, can endure hard weather and rarely overspin. What's the damn efficiency on these things? Poor reporting, immoral actually- money wasted on spinning bullshit are money not spent on actual energy solutions
It is possible. Energy generation is currently centralised. If every household has one of these as standard then energy would become like the internet. The internet is a composite of millions of servers linked around the world. You just do the same for devices that are installed on individual properties. The problem is that energy companies are so well established and monopolise the energy market. Also there is no way to monetise energy if all everyone needs to do is make a one off purchase every 10 or so years. It is nothing to do with anything else other than economics and energy companies maintaining their billions of dollars in profits.
Patients taking Viagra are less likely to suffer a heart attack, new research claims.
Men taking the impotence drug were found to have a lower risk of having a heart attack or dying from heart failure than those not on the medication.
The findings mean Viagra could soon be used to treat hundreds of thousands of heart failure patients and even prevent fatal heart attacks, scientists say.
Experts from the University of Manchester studied 6,000 diabetic patients who had been given Viagra to treat erectile dysfunction.
The drug relaxes muscle cells in the blood vessels supplying the penis, allowing more blood to flow there.
This increased blood flow increases the likelihood of getting an erection.
Given the increasing reports of deaths in which the use of Viagra may be implicated, clinicians need to exercise caution when advising their patients with heart
Experts believe a key ingredient in Viagra called PDE5i, which relaxes blood vessels, also prevents damage to heart cells.
Heart failure is caused by the heart failing to pump enough blood around the body at the right pressure.
It most often occurs because the heart muscle has become too weak or stiff to work properly and is usually treated with medication which supports the heart.
Despite diabetics being prone to heart problems, the study participants did not suffer as many incidents as similar patients not on the drug.