Archive for July, 2012

Jul 22 2012

OTEC the Only Option for Japan

Published by under Student blog entries

Japan, unlike the United States, has incredibly limited on-shore space, and with the sun and the wind being intermittent, around 80% of Japan’s long term energy supply remains insecure. The country has never been largely reliant on fossil fuels and with the Tohoku earthquake, tsunami and nuclear disaster, nuclear power is an unattractive option. Even with little current, […]

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Jul 22 2012

The Power of Renewables

Published by under Student blog entries

Not even seven percent of the energy consumed by the United States comes from renewable energy sources Matthew Wald explains in his article “The Power of Renewables” published in Scientific American.  Wind, solar, and biofuel energies barely exist when compared to production by fossil fuels (coal, oil, and natural gas).  Though renewable technologies have been […]

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Jul 22 2012

Cape Wind begins construction survey

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Although its wind turbines have yet to be erected, Cape Wind’s construction survey has finally begun in the Nantucket Sound. The Cape Wind project is the assembling of 130 offshore wind turbines several miles offshore in Horseshoe Shoal for the generation of electricity as an alternative renewable resource of power. The offshore wind farm has […]

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Jul 22 2012

Energy Towers

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  Clean Wind Energy is a new company that specializes in the design and construction of Downdraft Towers.  These towers are designed to be a source of renewable energy that provides its own power, as well as excess for the rest of the power grid while leaving little negative environmental impact.  To operate, water is […]

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Jul 21 2012

Technological Crossover

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Following up on the concept of larger turbines presented by Annie in her post, several issues are presented with the creation of supersized turbines. Modeling performed by the EU-backed Upwind research project (http://www.renewableenergyworld.com/rea/news/article/2012/07/wind-turbine-blades-push-size-limits) shows that while a turbine capable of generating 10 or even 20MW is theoretically feasible, and appropriate materials could be innovated for, […]

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Jul 21 2012

Storing Renewable Energy

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Since several sources of renewable energy are intermittent, such as wind, wave, and solar, there is a strong need for a way to store the energy during times when the energy sources are low.  For instance, in February of 2008, Texas, which relies heavily on wind power, had a production drop of 1200MW due to […]

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Jul 21 2012

Moving Wind Farms to Farms?

Can wind turbines do more than provide clean, renewable energy?  That seems to be the possibility.  According to the December 2011 issue of National Geographic, researchers are looking into the benefits that the wind created by the movement of turbine blades on agriculture.  In many places, such as the American Midwest, trees are traditionally planted […]

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Jul 21 2012

Deepwater Horizons

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[youtube]http://www.youtube.com/watch?v=06D4LvU-CG8[/youtube]Adaptation of oil rig technology leads to floating platforms for offshore wind farms Offshore wind turbines have long been at the forefront of the ocean energy conversation for two reasons; wind-energy devices have been used for hundreds of years, and the available wind resource is far higher offshore than on. Wind turbines have been used […]

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Jul 21 2012

Bigger the Better

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Summary and Response  to National Geographic’s  “Sizing Up Wind Energy” http://news.nationalgeographic.com/news/energy/2012/07/120720-bigger-wind-turbines-greener-study-says/ As population grows and global energy demand increases, climate change and levels of greenhouse gasses are increasing and fossil fuel resources are declining.  There is a clear strong movement in the direction of renewable energy.  Wind energy is one of the leading technologies. In […]

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Jul 21 2012

OPT Plans for Huge Wave Energy Project in Australia

On July 11th,, Ocean Power Technologies (OPT), the company that designed one of the leading point absorber devices – PowerBouy – announced plans to collaborate with Lockheed Martin to initiate a wave energy project off the coast of Portland, Australia.  The project hopes to generate 19 megawatts of power, one of the largest goals of a […]

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