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압축기 정익, 터빈 노즐 가변 메카니즘 및 제어기법 연구
김상조(Sangjo Kim),김동현(Donghyun Kim),배경욱(Kyoungwook Bae),김대일(Dae-il Kim),손창민(Changmin Son),김귀순(Kuisoon Kim),이대우(Daewoo Lee),고정상(Jeungsang Go),최동환(Dong-Whan Choi),김명호(Myungho Kim),민성기(Seongki Min) 한국추진공학회 2015 한국추진공학회지 Vol.19 No.5
In case of a gas turbine engine for supersonic operation, the engine have a wide range of operating inlet mass flow rate and required high performance such as thrust and fuel consumption. Therefore, variable system and its optimal control logic are essentially needed. In this work, a method for performance prediction of a gas turbine engine with variable system compressor and its control scheme were developed. Conceptual design of compact acuation system for the operation of the variable system was also conducted. The performance of a low-bypass ratio mixed flow turbofan engine was analyzed, and it was observed that the surge margin of the engine is improved at off-design condition by applying the control scheme.