NewNergy

NewNergy discusses the latest inventions, innovations and breakthroughs in the energy & environmental sciences.

Affordable Wind Turbines for Commercial and Residential Uses

Posted on Monday, August 17, 2009 posted by posted by Mak @ 11:03 PM

WindTamer Corporation has developed what the company claims to be a new paradigm of wind power – more power from a small but efficient wind turbine. The company’s latest turbine comes enclosed in a “Wind Flower” housing that makes it harness wind speeds up to 70mph without dominating the view or its surroundings.

The system can be mounted on a 30ft pole, and being noise and vibration-free, the turbine can easily be mounted on a flat roof. The system doesn’t have a gearbox, which eliminates the risk of an overheating gearbox causing a fire.

The turbine is mounted on the same shaft as the blades are, which makes the incoming breeze cool the turbine automatically. The highly efficient system can work in wind speeds as low as 2mph to generate power. The turbine is available in different variants which generate power ranging from 1.5KW to 30KW.

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Solar Powered Aircraft to Fly from NYC to Paris

Posted on Monday, August 3, 2009 posted by posted by Mak @ 8:53 PM

A Spanish company called Turtle Airships is working on plans to build a luxurious solar-powered blimp which can take passengers from New York to Paris.Perhaps the only thing cooler than being powered by lightweight photovoltaic cells, this airship is also designed to rest on land or water.

The first blimp prototype will be propelled in two nontraditional ways. The outside of the ship will be covered with Cadmium-Indium-Germanium (CIG) photovoltaic cells, picked for their their light weight. The cells should generate enough power to move the blimp at around 40 mph in average conditions, or at around 70 horsepower. Meanwhile, a diesel drivetrain will generate the rest of the power, and ideally the designers will look to an adapted hybrid electric model for that. And because blimps fly at low altitudes, they don’t have to deal with problems that plague diesel engines at elevations over 30,000 ft.

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Harnessing Kinetic Energy from Marching Soldiers

Posted on posted by posted by Mak @ 6:04 AM

Researchers at the University of Leeds in the UK aims to develop a system that can harness kinetic energy from marching soldiers.

The $1.5 million plan will focus on finding a way to convert human energy into usable power for military field applications. Soldiers carry around electronic equipment such as large flashlights, and power sources in the form of batteries can weigh as much as 10 kilograms of a foot soldier’s usual 75 kilogram pack. Clearly, having a power source they can carry around will be beneficial.

The Leeds scientists plan to create a similar system that includes knee wraps and backpack straps with crystals and high-tech ceramic materials acting as piezoelectric transducers. These piezoelectric components are responsible for converting mechanical energy from movement into electric charge.

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