Abstract

People frequently underestimate how much aviation contributes to climate change—3.5% of warming. Compared to other mainstream industries, its current share of emissions is quite tiny. However, the question is that air travel cannot be decarbonized yet through present technologies. Environmental pollution problem is getting worse and worse on account of greenhouse and harmful gas emissions. On the other side, the interest in full or more electric aircraft is stimulated by the electric vehicle industry during the last couple of years. This paper mainly focuses on the system in more electric aircraft (MEA) and the difference between MEA and traditional aircraft design. The present goal of more electric aircraft is that most of the important systems that currently use non-electric power should be replaced such as engine start, taxiing and propulsion system to improve air contamination issue and a number of aircraft characteristics. Besides, NASA’s electric propulsion idea on reduce emissions, improve fuel efficiency and it is system structure are all worth considering.

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