Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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Two Spool Mixed-Flow Turbofan Engine Performance Analysis Modeling

2 스풀 혼합흐름 배기방식 터보팬 엔진 성능해석 모델링

  • Seungheon Lee (Department of Aerospace Engineering, Inha University) ;
  • Hyoung Jin Lee (Department of Aerospace Engineering, Inha University) ;
  • Sangjo Kim (Aerospace Technology Research Institute 3rd Directorate Team 2, Agency for Defense Development) ;
  • Gyujin Na (Aerospace Technology Research Institute 3rd Directorate Team 2, Agency for Defense Development) ;
  • Jung Hoe Kim (Aerospace Technology Research Institute 3rd Directorate Team 2, Agency for Defense Development)
  • Received : 2022.11.10
  • Accepted : 2022.12.11
  • Published : 2023.02.28
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Abstract

In this study, performance analysis modeling of two spool mixed flow type turbofan engine according to steady-state and transient is performed. The target engine is selected as F100-PW-229 from Pratt & Whitney, and main engine components including fan, high pressure compressors, combustion, high pressure turbines, low pressure turbines, mixer, convergent-divergent nozzle are modeled. The cooling effect of turbine through secondary flow path are considered in engine simulation model. We develop in-house Matlab/Simulink-based engine performance analysis program capable of analyzing internal engine state and compare it with GASTURB which is generally used as a commercial engine analysis program.

본 연구에서는 정상 상태 및 천이 상태에 따른 항공기용 터보팬 엔진의 성능해석 모델링을 수행하였다. 대상 엔진은 Pratt & Whitney 사의 F100-PW-229으로 선정하여 팬, 고압 압축기, 연소기, 고압터빈, 저압 터빈, Mixer, 수축-확산형 노즐 등의 구성품을 모델링하였다. 또한, 이차 유로를 통한 터빈에서의 냉각 효과를 적용하였다. Simulink를 이용하여 터보팬 엔진 성능해석 프로그램을 자체 개발함에 따라 해석의 자유도가 높으며, 엔진 제어기 설계에 활용이 용이한 구성의 성능해석 프로그램을 개발하였다. 개발된 성능해석 프로그램은 상용 프로그램인 GASTURB 해석 결과와의 비교를 통하여 검증하였다.

Keywords

Acknowledgement

이 논문은 2021년 정부(방위사업청)의 재원으로 국방과학연구소의 지원을 받아 수행된 연구임 (912920201).

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