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

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Preliminary Sizing of a High Temperature Superconducting Motor for the Application to Electrically Propelled Aircraft

전기 추진 항공기에 적용하기 위한 고온초전도 모터의 초기 사이징

  • 신교식 (세종대학교 항공우주공학과 대학원) ;
  • 황호연 (세종대학교 항공우주공학과) ;
  • 안존 (세종대학교 항공우주공학과) ;
  • 남태우
  • Received : 2012.06.11
  • Accepted : 2012.08.20
  • Published : 2012.09.01
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Abstract

In this research, a high temperature superconducting(HTS) motor is designed which is adequate for an electrical aircraft by generating high power density and the potentiality of its application to an aircraft is studied. The designed motor is based on YBCO plates, HTS coils composed of Bi-2223, and ironless air cooled resistive armature. The HTS motor is designed to generate power equivalent to O-360 engine with 180HP at 2700RPM which is used for Cessna and equivalent to CFM56 engine with 18000HP at 5000RPM which is used for B-737. Also, power densities of HTS motors are compared with power densities of aircraft engines so that we can estimate the potentiality of the HTS motor as an aircraft engine.

본 연구에서는 전기 항공기에 사용하기 적합한 높은 출력밀도를 발생시키는 고온초전도 모터를 설계하고 이를 항공기에 적용하는 것이 가능한지를 확인하는 연구를 수행하였다. 설계된 모터는 이트륨 바륨 구리 산화물 판, 비스무트-2223 산화물로 이루어진 초전도 코일을 사용하고, 철심을 사용하지 않는 공기 냉각 전기저항성 전기자를 사용하였다. 고온 초전도 판과 코일 쌍을 회전축 방향으로 증가시켜, 180 마력, 2700 분당회전수의 출력을 발생시키는 세스나급 항공기에 사용하는 O-360엔진과 18000 마력, 5000 분당회전수의 B-737급 항공기에 사용하는 CFM56엔진을 대체할 수 있는 동일 출력을 발생시키도록 설계하였다. 또한 기존 엔진의 출력밀도와 고온초전도 모터의 출력밀도를 비교하여 고온초전도 모터의 항공기 적용가능성을 평가하였다.

Keywords

References

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