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Navy-Funded Wave Farm Under Way in Hawaii

Ocean Power Technologies and the cheap viagra soft Navy have joined together to create a small wave farm off the coast of Oahu, Hawaii. The company has installed one of its PowerBuoy units one mile off the Kaneohe Bay Marine Corp Base, with plans to levitra for daily use install others in the near future to generate 1MW.

The PowerBuoy will be connected to the cialis online order Oahu grid and Kaneohe Bay will serve as a test site for the Navy, which is hoping to install these units at bases around the world. This project is part of the Navy's larger goal of reducing their dependence on fuel shipments for power.

Ocean Power Technologies has previously installed PowerBuoy units off the coast of Atlantic City, NJ and Santoña, Spain. The units are only 12 feet in diameter and 55 feet long and can be arranged in arrays that generate hundreds of megawatts. The onboard sensors automatically change settings in response to sea conditions. If the buoy encounter very large waves, it automatically powers down until conditions have settled.

The military is often one of the first users of cutting edge technology, so I'm glad to see that they are also eager to utilize something as promising as wave power.

via Ocean Power Technologies

 

Scotland to viagra how much Pioneer Tidal “Farms”



It seems that Scotland, with its windy coasts and seaside cliffs, is the Saudi Arabia of… tidal power. ScottishPower Renewables wants to turn that power into clean electricity. According to its director, Keith Anderson, Scotland has 25% of Europe’s tidal resources and 10% of its wave potential. By building at least 40 (and possibly an additional 20) underwater turbines in various locations off the Scottish coast, ScottishPower Renewables hopes to generate 60 megawatts of very good site viagra no doctor electricity, enough to power 40,000 homes. It is thought that, if fully tapped, Scotland's tidal resources could contribute to one third of its energy demand.


The tidal farms will be consist of Norwegian-made turbines called “Lànstrøm devices”. These look like underwater turbines (see picture above), and have been extensively tested in Norway. The 20 meter blades will reach no higher than ten meters below the surface; not that anyone will be allowed to travel through the waters above, of course. And the blades move slow enough so as not to buy effervescent cialis endanger the local marine wildlife.

The prognosis is quite good. ScottishPower Renewables says that these farms could be operational by 2011. One of the benefits of tidal power over, say, wind power is http://www.eastgreenbushlibrary.org/online-ordering-levitra that the former is extremely predictable whereas the latter has been oft criticized for its unpredictable nature. However, let’s not forget that tidal power projects sometimes do not work as planned. Take, for example, Verdant Power, the company that tried to put turbines in New York City’s East River. Their turbines broke down, though they are giving it another go.

In other international turbine news, Israeli company S.D.E. Energy has signed a contract to build an undisclosed number of one megawatt wave power stations for China. Check out the rest of that story here.

Via Scotsman
Image via New Energy Focus

 

Yes, Google Did Patent The Ocean-Powered Data Center

Oh Google, will you never stop surprising me? Turns out, back in 2007, Google put in a patent application for an wave-powered server farm. According to the patent, they would like to distribute data centers closer to users, but it is sometimes difficult to come across places to put the server farms and www.y-e-n.net cheap electricity to africa-info.org power them.

Well, to solve that problem, Google thought maybe they'd put the server farms on a boat, and power the farm itself with a web of find viagra cheap overnight mail wave-power buoys. In addition, a sea-water cooling system would keep the http://www.pjr.com/cheap-fast-levitra whole operation from overheating.

You can read the whole patent application here. I love the way Google thinks, though I'm not entirely sure that this is going to turn out to be a large-scale solution. I mean, what happens in places without good waves, or when the weather turns placid...does the internet go away? I don't think I could handle that.

Via The Earth Times

 

Capturing Water Power With Plastic Grid

The ocean isn’t the only focal point for wave-generated electricity. The Kiskiminetas River in Vandergrift, Pennsylvania is about to be home to a new way to create electricity from water.

Reserachers have devised a new system that encompasses a grid of polyvinylidene fluoride (PVDF) placed on price cialis the bottom of the river, the undulating movement of which will generate electricity. The electrical current generated would pass to substations along the river bank, ultimately charging a group of batteries. The city is looking to wffisher.com harness enough power from the buy tramadol cheap medication river to cover 20-40% of its needs.

The first system is going to be a grid about 30 yards wide by about 1 mile long, but the details on the precise make-up are still in the works. Laying the grid at the bottom of the river will help maintain the integrity of the area, which is used for fishing, boats, and so on.

How plant life might affect the system is not detailed, but researchers feel that this is a much more eco-friendly system, leaning more towards biomimicry, than damming a river ever was.

Via Discovery; photo via mhoppe

 

France Going Tidal with Pilot Turbine System


There’s one off the coast of Northern Ireland. The East cost of the US is getting them. So France, with access to some of http://www.fluestertuete.de/soft-tab-levitra the strongest ocean currents in Europe, has determined they’ll get some too. Electricite de France (EDF) is planning to install a pilot tidal turbine system off Northwest France, and hopes to have 4 to 6 MW pumping out of 3 to 6 turbines by 2011. The system will test out the possibility of using tidal power as a profitable electricity generation option.

EDF (a company that is generic viagra uk Europe’s biggest nuclear power producer) believes France holds 80% of Europe’s potential of generating electricity from tidal currents – equating to about 10 TW hours every year – based on its location next to some serious ocean power. So the potential of the project is pretty exciting for the country, and apparently also for EDF. But also a little futuristic. Those are some big numbers to fill, and tidal power still has a long way to go before the technology is cheap and easy.

Still, the pilot project will bring in a lot of great data. We’ll follow their progress to www.richcongress.com see what kind of turbine technology they’re planning to implement.

Via RenewableEnergyWorld, Reuters; Photo via Clearly Ambiguous

 
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