Skip to comments.Solar Aero's bladeless wind turbine
Posted on 07/31/2010 9:04:59 AM PDT by Abathar
A research company in New Hampshire recently announced the patent of their bladeless wind turbine, which is based on a patent issued to Nikola Tesla in 1913. The Fuller Wind Turbine developed by Solar Aero has only one rotating part, the turbine-driveshaft. The entire assembly is contained inside a housing, so that this turbine offers several advantages versus blade-style (primarily horizontal-axis type) turbines. With a screened inlet and outlet, this turbine does not present a danger to wildlife such as bats and birds. To an outside observer, the only movement visible is the entire turbine housing as it adjusts to track the wind. This also makes it a good candidate for use near military surveillance and radar installations, where moving blades would otherwise cause difficulties.
According to the company, the turbine is expected to deliver power at a cost comparable to coal-fired power plants. Total operating costs over the lifetime of the unit are expected to be about $0.12/kWh. The turbine also should have fewer maintenance requirements, leading to lower lifetime operating costs. The turbine itself can also be supported on magnetic bearings, and all of the generating equipment kept at ground level, which will also make maintenance easier. The company estimates "final costs will be about $1.50/watt rated output, or roughly 2/3 the cost of comparable bladed units."
(Excerpt) Read more at green.yahoo.com ...
Vertical axis windmills should be looked into more. They go back thousands of years and I doubt they will chop up birds. Much simpler to build. Build them at ground level, don't mess with expensive towers. I would build two or three close to the ground instead of one tower. I would use tough nylon canvas for sails. It could be made very cheap
And they are good for supplying a houses electricity...some of it at least
Figure 1 A Sketch of an early Persian Vertical Axis Windmill.
Dyson's fan creates wind, this device catches the wind to generate power.
I have seen sketches of those used for water pumping from a long long time ago. The only problem they have is if you have a Midwest thunderstorm come through without being there to stop it chances are you will be picking it out of your neighbors tree.
It’s a Tesla Turbine. Experimenters have been building them for years. Google “Tesla Turbine” or look it up on YouTube.
The problem with the Persians is that they really ARE engineers.
“Wow. A squirrel cage blower in reverse to become a wind turbine. Big deal.”
No YoYo, it’s not.
Bump for later reading
It probably works like an ejector pump. Deep well jet pumps use this principle. A high speed jet of fluid (air, water) will accelerate the fluid around it thereby moving a larger quantity at a lower velocity.
Dyson uses a ring shaped jet to “pull” more air through and around the ring. Neat execution.
If you have access to a garden hose try this experiment. Run enough water on the pavement to make a puddle. Try for 6 feet diameter or larger and at least 1/2” deep. Set the hose nozzle on a high speed jet position, hold it close to horizontal and aim the stream at a point about 1/3 of the distance across the puddle. The stream will hit the puddle and continue, pulling additional puddle water with it and eventually emptying the puddle.
Voila! an ejector pump.
Try a net search for their patent.
Fascinating - looks just like the Persian one. Identical.
Who stole what?
Yup. Going Galt, one day at a time.
Do you have any idea what that would weigh on a plane?
There are parallel disks on a shaft that are spaced a small distance apart. Air is forced into the outer edge of the disks and makes its way out of the center where there are holes to allow the air to escape.
The basic principle is that it uses the boundary layer(friction) to rotate the disks. A typical turbine redirects air to generate torque while this turbine just uses the drag on the disks to generate torque.
There is tons of info about this on the web. Its a favorite project of Tesla junkies.
I’ve got a birdbath that I clean by directing a stream of water at the inside edge. Amazes me that it spins all the water out within seconds, taking all the leaves and crud with it, resulting in an empty bowl. Similar idea to what you’re saying in your experiment.
For something really interesting google -— maglev vertical axis
This design has much reduced friction because the wind catching part is magnetically levitated
You know what I got from this thread?
I am going to get an old squirrel-cage blower, and a chevy alternator, and make a windmill for my cabin.
Hey, it will run a light! LOL!
Wow. A squirrel cage blower in reverse to become a wind turbine. Big deal.
Exactly! I posted before seeing your post sorry.
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