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Wind Power

How the IMPLUX might look atop a building

When most people think of wind power they think of large-scale wind farms with fields of huge three-bladed horizontal axis turbines. With such farms requiring lots of room they are generally unsuitable for placement in or even near large cities. Smaller turbines tailored for urban environments such as AeroVironment's Architectural Wind System, the Honeywell Wind Turbine and the Windspire represent a growing sector though, and the latest to catch our eye is the IMPLUX – a vertical axis turbine designed to harness the power of the wind blowing from all directions.  Read More

Vestas has revealed plans to build the largest dedicated offshore wind turbine in the worl...

Offshore wind power specialist Vestas has revealed plans to build the largest dedicated offshore wind turbine in the world. The proposed V164 would have a 7.0 MW capacity, twice that of its predecessor, the 3.0 MW V112. The awesome 164 meter (538 ft) diameter rotor would eclipse the size of the current titleholder, the prototype G10X installed by Gamesa in Spain in 2009 which has a diameter of 128 m (420 ft).  Read More

Cargill Ocean Transportation has announced that it will be installing a SkySails wind prop...

For the past ten years, Hamburg-based SkySails has been engineering and producing what are essentially giant kites, designed to help ships reduce their fuel use by catching the wind and pulling them across the surface of the ocean. The system was put into regular shipping use for the first time in 2008, when one of the kites was attached to the 132-meter (433-foot) multi purpose heavy lift carrier MS Beluga SkySails. Now, Cargill Ocean Transportation has announced that it plans to use the technology on one of its long-term charter ships, a vessel of between 25,000 and 30,000 deadweight tonnes (27,558 to 33,069 US tons). It will be the largest kite-assisted ship in the world.  Read More

The Solar Wind bridge concept combines solar cells and wind turbines to generate power for...

Bridges are generally exposed to the elements, meaning they generally get a nice dose of sunlight often coupled with some fairly strong crosswinds. For these reasons this “Solar Wind” bridge concept from Italian designers Francesco Colarossi, Giovanna Saracino and Luisa Saracino would seem to make a lot of sense. The proposed bridge would harness solar energy through a grid of solar cells embedded in the road surface, while wind turbines integrated into the spaces between the bridge’s pillars would be used to generate electricity from the crosswinds.  Read More

According to a new study, 100 percent of the world's energy needs can be met by renewable ...

Here at Gizmag we cover a seemingly endless stream of renewable energy technologies designed to wean us off our reliance on fossil fuels and improve the health of the planet. As important as such developments are, for these technologies to have an impact they must of course be implemented – and on a large scale. What has been sorely lacking is a plan to accomplish such a Herculean feat. Now researchers from the University of California-Davis and Stanford University have published a study that details one scenario to completely convert the world to clean, renewable energy sources – and they say it could be done in 20 to 40 years using technology available today at costs comparable to fossil fuel-based energy.  Read More

A wind tunnel on the Homewood campus the researchers used to experiment with variables suc...

While there are increasing numbers of wind farms being built around the world, many of these projects are underperforming and not producing as much power as expected. New research suggests the reason could be that the wind turbines are being placed too close together. The researchers say that spreading the turbines out will result in a more cost-efficient for wind farms and they’ve come up with a formula through which the optimal spacing for a large array of turbines can be obtained.  Read More

The Windstalk concept would generate electricity from the wind without turbines

Wind turbines are an increasingly popular way to generate clean energy with large-scale wind farms springing up all over the world. However, many residents near proposed wind farm sites have raised concerns over the aesthetics and the low frequency vibrations they claim are generated by wind turbines. An interesting Windstalk concept devised by New York design firm Atelier DNA could overcome both these problems while still allowing a comparable amount of electricity to be generated by the wind.  Read More

An 845 megawatt wind farm to be built in central Oregon has received support from the DOE

A large scale wind farm to be built in central Oregon has received "a conditional commitment to provide a partial guarantee for a $1.3 billion loan" from the U.S. Department of Energy. Made up of 338 GE wind turbines, the Caithness Shepherds Flat 845 megawatt project will create 400 construction jobs (plus 35 permanent jobs once up and running) and promises a reduction in greenhouse gas emissions equivalent to that produced by more than 200,000 cars.  Read More

Wind farms can cause change in local temperatures (Photo: Gizmag)

The benefits of wind farms in terms of global climate change are well recognized but according to researchers at the University of Illinois they can also affect local climates as well. The researchers observed that the area immediately surrounding a wind farm is slightly warmer at night and slightly cooler during the day compared to the rest of the region. The discovery could allow for strategies to mitigate those effects in areas where they are undesirable, or take advantage of them in others.  Read More

Up close and personal with SAIC's Yez Concept Car

A few days ago, I managed to get up close and personal in Shanghai with one of the most interesting concept cars the world has yet seen. SAIC's Yez concept car is the first automobile, concept or otherwise, that's ever been conceived to have a negative carbon footprint. That is, it removes more pollution than it creates.  Read More

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