A Japanese start-up called Challenergy is hoping its wind turbines can generate power by harnessing the energy from typhoons and tropical storms
In Japan, a start-up called Challenergy has designed a turbine that works in cyclonic conditions, which typically shut down most wind installations, turning them into a potential energy source.
But with Japan experiencing on average 26 typhoons and tropical storms a year, and with meteorologists saying they are getting more frequent and more powerful with climate change, the path to development of wind power is generally viewed as tough.
Conventional wind turbines have giant propeller-like blades that are growing more vulnerable in cyclonic conditions as they get bigger with technological advances. Challenergy's "Magnus Vertical Axis Wind Turbine" has ditched pointed blades, with their giant sweeping revolutions, for upright square ones that spin on a horizontal axis to the direction of the wind, which helps to more directly capture its energy and makes the structure sturdier.
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