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Aircraft Sizing Methods for the Design of an Electrically Propelled Aircraft

전기추진 항공기 설계를 위한 사이징 방법 연구

  • Received : 2012.04.05
  • Accepted : 2012.07.02
  • Published : 2012.07.01

Abstract

In this research, generalized sizing methods were studied that can be applied to an aircraft which uses solar cell or fuel cell as energy sources. To consider multiple propulsion systems and energy resources, multiple power paths were modeled and the weight of consumable and non-consumable energy was reflected in the weight change calculation for each mission segments. In the constraint analysis, power to weight ratio was selected instead of thrust to weight ratio and used in the sizing process of balancing power and energy.

본 논문에서는 태양전지나 연료전지와 같은 전기 에너지원을 사용하는 항공기에 적용할 수 있는 일반화된 사이징 방법에 대해 연구를 수행하였다. 다중 추진 시스템이나 에너지원이 사용되는 경우를 고려하여 다중 동력경로를 모델링하였고 소모성 에너지와 비소모성 에너지 중량을 각 임무 단계의 중량변화 계산에 반영하였다. 구속조건의 분석에서 기존의 추력 대 중량비 대신 동력 대 중량비를 선택하여 동력 균형 및 에너지 균형의 사이징 과정에 사용하였다.

Keywords

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Cited by

  1. Initial Sizing of a Glider Type High Altitude Long Endurance Unmanned Aerial Vehicle Using Alternative Energy vol.42, pp.1, 2014, https://doi.org/10.5139/JKSAS.2014.42.1.47