hOw to create green aircraft? Very good question, but before answer that, first we must give proper definition to the word green aircraft. For me its means aircraft that produce less pollution, either poisonous gas or noise, burning less fuel and production of aircraft itself from environmentally friendly material and system.
To produce less pollution, effort must come radically change in aircraft baseline design configuration and the fuel system. Curruent baseline design create unnecessary drag, especially in tail. This design also create high noise. Jet fuel also produce a lot of CO2 and NOx, which contribute to green house effect and ozone problem.
To burn less fuel, the aircraft must extremely light. Less weight less fuel need to create lift. Composite material maybe one of the answer to this problem. Consider new Boeing 787 Dreamliner which 50% of its structure made from composite.
Manufacturing green aircraft also require green method in its production line. The factory must use energy saving equipment and using electricity from green source such as solar, or wind power. Material itself must be green. Current interest in composite has increase demand for fibreglass and carbon fibre. However this material are hazardous and not easily to dispose. Therefore, current effort must be focus to produce green aircraft.
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