Tiny supercharger is like 10 wind turbines in one

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It’s tough work to find a small scale wind energy charger that works. While we’ve seeninnovative designs pop up over the last few years, it’s simply difficult to get enough wind coming through such a little device to charge devices. However, thanks to a company called Humdinger Wind Energy LLC, that might change with their new device called the microBelt. It is a piezoelectric turbine-based system that is purportedly 10 times more effective at gathering energy than other systems of the same size.

Humdinger is a start-up of of just 6 people, and they’ve developed a new method of gathering wind energy on a small scale. The system uses aeroelastic flutter and vibration of a membrane – rather than a spinning turbine – is at the core of the Microbelt, which is intended to replace the batteries used in wireless sensor networks (WSN). It can be used in applications such as HVAC systems, using the airflow to power the device and therefore skipping the need for more expensive batteries. And because the system doesn’t mess with spinning turbines that can break more easily, it expects a long lifespan – as much as 20 years.

It’s inexpensive as well as efficient. Ecofriend writes “Power is produced in air flows from as little as 3 m/s. At 5.5 m/s of wind flow the power output is 2mW. Apart from efficiency, another advantage of the system is that it is cheap to produce, as the materials are very simple. Humdinger is progressing applications such as building monitoring and transit monitoring that will rely on such wind turbines.”

Courtesy: TreehuggerEcofriend

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