How Can A Wind Turbine Be Motionless?

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[NickPiers]

The power nest is exactly what I've been dreaming of for years. Some kind of a hybrid system of wind and solar working in conjunction with each other. And from some of the examples in the video, they look potentially easy to install on buildings.

Now comes the next part of my dream: somehow combining power nest technology with green roof infrastructures.

[gemofgamers]

As a Dutch person I think you pronounced Eindhoven very well👍

[DandDClark]

Seems to me that once the concept is proven with the 'motionless' turbines, the next challenge is to make the vanes pivotal to optimize the windflow, and you could increase the generation. But, one step at a time.

[briancclevenger]

I believe the Powernest is a better idea simply because of different directions the winds can come from. The new wind invention captures wind coming up a building wall from a fixed position, but if the wind comes from behind it, equals no capture and no energy. The Powernest also performs a cooling of the solar panels, adding longer life to the panels. My money is on the Powernest. Great vlog of information as always.

[gowzahr]

It's neat to hear you mention the air flow keeping the solar panels cool.
When I was in grad school, there was a guest presenter who had done extensive research into temperature dependance of solar panel efficiency and then using that data to produce more accurate maps of globally available solar energy.

[jhpratt]

The way the aeromine works is actually the same way people in hot climates used to build buildings long before air conditioning. By taking advantage of the pressure differential, fresh air could be consistently brought in.
With that said, I think the power nest is the more likely solution to become widespread.

[integrer]

You started off talking about no moving parts, but then quietly morphed that to no EXPOSED moving parts.

[billcampbell]

I used a 1/3 hp 110 v motor for my first experiment. I attached two large (100 lb lift capacity magnets) to one side of a six inch circular by 1/4" plate of aluminum and bolted it to the motor shaft, magnets facing outward away from the motor. It was bolted down securely. I then took my 1/2" copper coil and placed it beside the magnets at a safe 1/2" and turned on the motor. In a very small amount of time the copper coil was glowing red so I quickly shut off the power. I was so impressed I went and purchased a solar panel of (33volts LR4-60HPH 355-385M) this with its 12v computerized controller should be more than enough power to operate my next experiment. I also bought a lithium iron phosphate 12v battery to start my project. My intention is to operate a 12v motor instead of 110v and build an overflow system to catch the expanding water in the coil witch will also have two one way valves to help with circulation, and a radiator to dissipate the so needed heat in my winter home.
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[davesanders]

The combo of solar and wind looks very promising. Solar generation during the day and vertical wind turbines to run at night seems like a "win-win" solution.

[stefanberanek]

Sounds like nonsense. Harvestable wind-energy(Betz law) limits power by area x speed^3 in the wind-direction. Ignoring area and not changing wind-direction and such, saying that "wind speed is not that relevant" is nonsense. It is the reason, why wind turbines are high up (more v far above ground), have a large diameter (area increases by radius ^ 2) etc. Speed cubed means, that 5mph vs. 20mph would mean a power increase of 100 times or in this case: This system cannot produce more than about a percent of a wind turbine with 20mph wind. Nice images, but advertisement for a scam.

[maxmustsleep]

The power nests look very promising.
I'd definitely have questions about just wind power on roofs since that seems very limited to flat rooftops of large buildings to make an sense, but the mix of solar and wind makes is super smart since it improves the efficiency of both, while making use of the entire space available and as a bonus it doesn't look as ugly as the other rooftop wind turbines shown in the video. It's definitely also limited to taller buildings so probably mainly cities and factory buildings (and possibly car parks) but we need anything that can help bring more renewables in the mix, especially if it can be used right where it's produced.

[red-can-help]

I really like the way you said multiple sources can be the real solution. Most of the time people try to be the only saviour and in fact, it is our ability to work together and combine the ideas that make the solution work so well. Really cool video.

[rogerwilson]

I did a lot of work on a similar system about 10 years ago (CFD simulations and models) but could never get a decent output. It used a very similar process. Let's hope they are more successful than we were.

[rlcmark]

Good idea. The main problem is the storage of electric power. In relevant quantities at acceptable prices. You don‘t want be dependent on wind regarding access to electricity.

[mjhornidge]

I just watched a documentary about this technology being created a decade ago and set aside. I thought that it would be perfect for roof tops as soon as I saw it. Super cool stuff.

[JarrodBaniqued]

First Ziroth, then Just Have a Think, and now this. I feel blessed to have such high quality channels delivering their different takes on the same very promising new tech in such a short time.

[koendegreef]

I work about 200 meters from 'Haasje over' where the PowerNest is placed. It is silent and produces a lot of energy for the building beneath. However, due to the building's power usage, they actually reduce the Nest's output by as much as 50% most of the time. It's been suggested to just put mining rigs on top of the building if the power can't be fed back in the net.

[jopo]

It's nice to see a new spin on windmills.

[warpiwarpi]

Thanks for great video! One note on 7:19 the flow does not increase when you restrict the water in a hose, it is the velocity that increases. Flow actually decreases due to the added pressure drop.

[BearJoyner]

Wind energy without exposed blades is such a cool idea to me. I remember a few years ago when the vortex bladeless turbines went kinda viral.