NASA亚声速大型飞机电推进技术研究综述

Overview of NASA Electrified Aircraft Propulsion Research for Large Subsonic Transports

本文通过对近年来美国国家航空航天局(NASA)在亚声速大型电推进飞机(EAP)领域探索的研究,从飞机布局的变革、电推进系统技术成熟度的提高以及基础设施建设等几个方面进行总结分析。梳理了NASA研究的几种大型飞机可能的电推进布局形式,跟踪NASA在电机、功率变换器以及所采用的电推进材料等关键技术方面的研究进展,以及测试电推进飞机性能必需的地面试验台的建设情况。电推进技术的进步和发展,改变了传统的飞机设计思想,利用电推进的技术特征,考虑电推进与飞机机体的集成等设计理念,对我国大型飞机电推进技术的研究具有一定的参考和借鉴意义。

Over the past several years,NASA has been evaluating Electrified Aircraft Propulsion(EAP)configurations for regional jet and larger aircraft.A summary of the aircraft system studies,technology development,and facility development is provided.It sorts out the possible electric propulsion layouts and benefits of several large aircraft studied by NASA,and tracks the research progress of NASA on key technologies such as motors,power converters and electric propulsion materials used,as well as the construction of ground test beds necessary to test the performance of electric propulsion aircraft.The development of electric propulsion technology has changed the traditional aircraft design idea,fully utilized the technical characteristics of electric propulsion,considered the design concept of electric propulsion and aircraft body integration,which has certain reference significance for the research of electric propulsion technology of large aircraft in China.