Europe continues quest for ‘Green Rotorcraft’ | Aviation International News

Europe continues quest for ‘Green Rotorcraft’

As part of its Green Rotorcraft initiative, the Clean Sky public-private partnership for aeronautical research in Europe has issued its second call for pro

By Thierry Dubois • Writer

February 22, 2010

As part of its Green Rotorcraft initiative, the Clean Sky public-private partnership for aeronautical research in Europe has issued its second call for proposals seeking such improvements as diesel engines, electric tail- rotor drive and waste heat conversion to electricity, all of which are expected to contribute to targeted drastic cuts in noise, CO2 and NOx emissions.

In Green Rotorcraft, one of Clean Sky’s six projects, the noise target is to shave 10 EPNdB. A turbine-powered helicopter should emit 26-percent less CO2 than currently, with the engine to account directly for 10 percent of the reduction. This means that specific fuel consumption (sfc) needs to fall by 10 percent and aerodynamic and system improvements should account for the remaining 16 percent. NOx emissions should be cut by 65 percent.

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