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김수용(SooYong Kim),김대승(DaeSeung Kim),S. Yepifanov 한국유체기계학회 2006 유체기계 연구개발 발표회 논문집 Vol.- No.-
The purpose of the present study is investigate the part load performance of an auxiliary power unit(APU)) gas turbine engine AI-9. The AI-9V auxiliary power unit works as an airborne compressor air source serving for starting of the helicopter/air craft main engine, as a stand-by DC power source for the helicopter/ airplane mains. Part load performance with constant bleed air rate is studied as well as influence of ambient air temperature. To secure the safe control of the engine operation, constant speed of rotation is preferred during part-load operation. considered important Transient performance with bleed air is also investigated.