Sentences with phrase «axis turbine»

Nevertheless, a large Kobald vertical axis turbine was tested in the Straits of Messina in 2004 and in 2009 a version was also being developed for Indonesia: www.pontediarchimede.it

The company's V2 turbines are based on the work of the Finnish engineer Savonius, who invented his eponymous Savonius wind turbine in 1922, but according to Venger, their V2 design is a big step forward from previous iterations of the unique vertical axis turbine design.

XCO2's design is a vertical axis turbine (see a couple more examples here and here), which they claim is virtually silent and vibration free.

Southwest Windpower, now defunct, used to market a system that put a horizontal - axis turbine rated at 2.1 kW at the top of a pole and solar panels totaling 1.4 kW down the pole a bit.

«To compete economically, right now the three blade horizontal axis turbine is the most cost - effective,» Jodziewicz said.

A vertical - axis turbine kind of looks like an eggbeater, but you're probably much more familiar with horizontal - axis wind turbines.

Still, there are some applications where vertical axis turbines would be ideal, according to Veers.

Vertical axis turbines, where the rotating axis stands upright, have been around as long as their horizontal brethren but have failed to catch on at large scales.

Vertical turbines also tend not to be as tall and have a steady gravity load, meaning the effects of gravity don't change as the turbine spins, unlike in horizontal axis turbines.

The fixation over the same generation of horizontal axis turbines to be placed all over the world as the solution is a bit passe, there are other ways to harvest the wind.

«The fixation over the same generation of horizontal axis turbines to be placed all over the world as the solution is a bit passe»

Eiffel Tower... vertical axis turbines: Murray, James.

Smaller scale turbines used to power a home or business are available and new models for rooftop installations are also in production, including vertical - axis turbines that have a smaller, lower profile than horizontal axis turbines.

(Using vertical axis turbines would allow placing the generator at ground level; alternatively wind turbines could directly mechanically pump / compress fluid for energy storage with electricity generation coming after that.)

Bath and McCamley make assertions of superiority over horizontal - axis turbines: the turbine, they say, starts up in lighter winds, handles variations in wind direction better and can continue operating at very high wind speeds.

These are familiar claims for vertical - axis turbines — as Michael Barnard points out in his excellent overview of VAWTs — and theoretically defensible to some degree.

They also claim the design overcomes many of the inherent problems associated with large horizontal axis turbines: One reason [for problems] is that the weight of the turbine blades becomes prohibitive.

Not exact matches

Another key difference in ESRU's design is that the turbine has two rotors attached — one in front of the other that turn in opposite directions on a single axis.

Three - bladed, horizontal - axis wind turbines are more common — the world's biggest HAWT farm opened off the coast of Kent, UK this week.

«We need to demonstrate a cost - effective, reliable vertical axis wind turbine.

This has motivated researchers from the University of Utah's Department of Mechanical Engineering to investigate the performance capabilities and financial benefits of vertical axis wind turbines (VAWTs) in urban and suburban areas.

It is a Whole Earth Catalogue of green systems, with a rainwater collection system; hydroponic garden to grown food for the community; biological wastewater treatment system to convert black water to greywater and potable water; earth tubes to funnel clean, natural air into the building through underground ducts; vertical axis wind turbines and solar panels for on - site green energy; and hydrogen fuel cells powered by methane, a byproduct of the wastewater treatment system.

Although the efficacy of small wind turbines, especially vertical axis wind turbines (VAWT), is often debated, and the designs dismissed as not being worth their cost or manufacturing resources, but that hasn't stopped people from trying to improve them or apply them to niche uses.

But if these problems, and others, can be solved, it's very possible that we'll someday have a lot more vertical axis wind turbines, at least offshore.

Unlike horizontal axis wind turbines (HAWTs), which maintain a steady torque if the wind remains steady, VAWTs have two «pulses» of torque and power for each blade, based on whether the blade is in the upwind or downwind position.

(I have a design I call the Cooke AquAero Motor which is a vertical axis, cyclo - turbine with 2 - 3 independently articulating blades that actually can extract power through 70 % of it's rotation, though the efficiency is around 28 - 36 %.)

Designing and building the new McCamley vertical axis wind turbine took decades, but it may have been well worth it, as the company believes their innovative design could revolutionize urban wind power.

You can buy renewable energy products and systems through sustainablog's Green Choices product comparison engine, including solar panels, grid - tied solar systems, and vertical axis wind turbines.

Horizontal axis wind turbine: The most common type of wind turbine where the axis of rotation is oriented horizontally.

Hub height: In a horizontal - axis wind turbine, the distance from the turbine platform to the rotor shaft.

Wind turbine: Wind energy conversion device that produces electricity; typically three blades rotating about a horizontal axis and positioned up - wind of the supporting tower.

Researchers are using similar principles to find optimal positions for tight arrays of vertical - axis wind turbines.

This Homestead House is designed to function off of the standard utility grid but it would be able to generate its own electricity with photovoltaic cells and with a small vertical axis wind turbine.

Concept incorporates vertical - axis wind turbines directly into transmission towers already dotting the landscape.

In addition to running sustainability initiatives such as a restoration orchard and a vertical axis wind turbine, the Centre installed a 3 kW solar project, thanks in part to the bullfrogpowered community.

This is a VisionAIR5 vertical axis wind turbine that is quieter than a human whisper at low speeds.

Wind turbines are manufactured in a wide range of vertical and horizontal axis types.

The Wind - Solar Tower is a small to medium size combination VAWT (vertical axis wind turbine) and SUT (solar updraft tower) used to generate electricity.

The steam turbine is located along the same axis as the gas turbine and the generator.

Combine this with a few small wind turbines (I am partial to vertical axis, myself, they are easy to make) with a capacity of 100W each, include a battery bank for storage, then replace all your bulbs with LED and use electricity more efficiently in general.

small scale vertical axis wind turbines don't generate very much power and small scale wind turbines on city buildings DO NOT WORK.

The experimental wind - farm houses two - dozen 1.2 - meter - wide vertical - axis wind turbines (VAWTs).

When Bruce Boatner set out to create a more efficient vertical axis wind turbine, he was treading territory that hadn't seen advancement since 1931.

If the wind speed increases above the cut - out speed the blades are «feathered» (turned about their axes so as not to produce rotational force at the hub) and the turbine stops.

Cheshire - based Hutchinson designed the 18 metre - high vertical axis wind turbine located near Portland Marina in Dorset — the venue for the Olympic Games sailing events.

There was much buzz around the launch of the Quietrevolution vertical axis wind turbine back in 2006.

Quietrevolution has awarded a # 2m contract to Hutchinson Engineering to supply more than 400 vertical axis wind turbines, after the two firms worked together to deliver a wind turbine for the Olympic Games.

We have created a prototype of vertical axis wind turbine, more efficient than horizontal axis mashines.

John Dabiri's paper on vertical axis wind turbines looks very good, anyone know if this is as promising as it seems?

They might not be quite the scale of the 6MW wind turbine that Justin wrote about in Germany, nor the concept for a 9MW vertical axis wind turbine that the Scottish reportedly have in the works.