Journal of the Korean Society for Aeronautical & Space Sciences (한국항공우주학회지)

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Initial Sizing of General Aviation Aircraft Propelled by Electric Propulsion system

전기로 추진되는 일반 프로펠러 항공기의 초기 사이징

  • Han, Hye-Sun (Graduate School, Georgia Institute of Technology) ;
  • Shin, Kyo-Sic (Graduate School, Georgia Institute of Technology) ;
  • Park, Hong-Ju (Graduate School, Georgia Institute of Technology) ;
  • Hwang, Ho-Yon (Department of Aerospace Engineering, Georgia Institute of Technology) ;
  • Nam, Taewoo (Aerospace System Design Laboratory, Georgia Institute of Technology)
  • Received : 2012.08.07
  • Accepted : 2013.04.26
  • Published : 2013.05.01
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Abstract

Propeller aircraft propelled by an electric propulsion system is gaining a renewed interest because of ever-increasing environmental concern on harmful emissions emitted from conventional jet engines and national energy security. Traditional aircraft sizing methods are not readily applicable to electric propulsion aircraft that utilize a variety of alternative energy sources and power generation systems. This study showcases an electric propulsion aircraft sizing exercise based on a generalized, power based sizing method. A general aviation aircraft is propelled by an electric propulsion system that comprises of a propeller, a high temperature super conducting motor, a Proton Exchange Membrance(PEM) fuel cell system fuelled with hydrogen, and power conditioning equipment. In order to assess the impact of technology progression, aircraft sizing was conducted for two different sets of technology assumptions for electric components, and the results were compared with conventional baseline aircraft.

전기 추진 프로펠러 항공기는 기존의 제트엔진으로부터 나오는 유해한 배기가스로 인한 환경적 우려와 국가 에너지 안보 차원에서 새로운 관심을 받고 있다. 그러나 전통적인 항공기 사이징 방법들은 여러 종류의 에너지원과 동력 시스템을 사용하는 전기 추진 항공기에 바로 적용될 수 없다. 본 연구에서는 일반화된 동력기반 사이징 기법에 기초한 전기 추진 항공기 사이징의 실제 예를 제시하였다. 여기서 일반 항공기는 프로펠러, 고온초전도모터, 수소가 연료로 사용되는 연료전지, 동력 조절 장치로 구성되는 전기 추진시스템에 의해 구동된다. 기술 향상의 영향을 평가하기 위해 전기 구성품들의 두 가지 다른 기술 구성을 가정하여 항공기 사이징을 수행하였고, 전형적인 형태의 기준 항공기와 사이징 결과를 비교하였다.

Keywords

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