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Eco-Brella: prototype development of the umbrella as harvester of solar and wind energies
Courtesy of Inderscience Publishers
The familiar umbrella has been redesigned for power harvesting from renewable energy sources resulting in the
Eco-Brella
. Several engineering technologies are utilised: aerodynamics for fin design, mechatronics for power management, materials for thermoelectric and solar film, CAD for the layout, and heat transfer for human comfort. The result is a sustainable design capable of harvesting both solar and wind energies which are converted into electric power for the benefit of the individual carrying it. In windy climates, the Eco-Brella rotates by virtue of a light turbine which causes rotation of a dynamometer. Solar film is shaped into an umbrella-like configuration with efficient power conversion (10%–20% depending on conditions). Generated power is channeled through power management system capable of 1) charging a rechargeable battery from which other batteries of portable electronic devices are charged and/or 2) providing personal thermal comfort by blowing cool (hot) air on hot (cold) days.
Keywords: umbrella, Eco-Brella, sustainable energy, wind, solar, power harvesting, power management system, thermal comfort
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