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Key document. Council Regulation (EU) 558/2014. Website. cleansky.eu. The Clean Sky Joint Undertaking (CSJU) is a public-private partnership between the European Commission and the European aeronautics industry that coordinates and funds research activities to deliver significantly quieter and more environmentally friendly aircraft. [1][2] The ...
Wind power is the use of wind energy to generate useful work. Historically, wind power was used by sails, windmills and windpumps, but today it is mostly used to generate electricity. This article deals only with wind power for electricity generation. Today, wind power is generated almost completely with wind turbines, generally grouped into ...
Ceiling fan. A modern ceiling fan. A ceiling fan mid-spin. A ceiling fan is a fan mounted on the ceiling of a room or space, usually electrically powered, that uses hub-mounted rotating blades to circulate air. They cool people effectively by increasing air speed. Fans do not reduce air temperature or relative humidity, unlike air-conditioning ...
Fan blades and outlet guide vanes of GEnx-2B Detail of GEnx core The GEnx is derived from the GE90 with a fan diameter of 111.1 in (282 cm) for the 787 and 104.7 in (266 cm) for the 747-8. To reduce weight, it features 18 composite fan blades, a composite fan case and titanium aluminide stage 6 and 7 low-pressure turbine blades.
Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many technologies and methods available that are more energy efficient than conventional systems. For example, insulating a building allows it to use less heating and cooling energy while still ...
Sustainable electronics are electronic products made with no toxic chemicals, recyclable parts, and reduced carbon emissions during production. "Sustainability is still very new, emerging business concept. Because of that, we lack uniform guidelines or standards applicable per industry sector that can help companies establish best practices."
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