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UID:0-1172@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20250721T133000

DTEND;TZID=Asia/Jerusalem:20250721T143000

DTSTAMP:20250715T084513Z

URL:https://aerospace.technion.ac.il/events/experimental-development-of-ad
 aptive-cycle-micro-turbofan-engine-ace/

SUMMARY:Experimental development of Adaptive Cycle Micro-Turbofan Engine (A
 CE)
DESCRIPTION:Lecturer:Pavel Kolos\n Faculty:Department of Aerospace Engineer
 ing\n Institute:Technion – Israel Institute of Technology\n Location:Cla
 ssroom 165\, ground floor\, Library\, Aerospace Eng.\n Zoom: https://techn
 ion.zoom.us/j/93549691766\n Abstract: \n\n\nThis talk presents the design\
 , development\, and validation of an adaptive cycle micro-turbofan engine\
 , converted from a baseline micro-turbojet (AMT Nike)\, for application in
  unmanned aerial systems. Addressing the performance limitations of micro-
 turbojets—particularly their inefficiency during low-speed and take-off 
 conditions—this work explores a propulsion architecture capable of adapt
 ing to different flight regimes.\n\nFollowing a mission-driven literature 
 review\, the methodology includes detailed thermodynamic\, aerodynamic\, a
 nd mechanical analysis of the adaptive engine concept. Key components such
  as a custom-designed gearbox\, a newly developed fan\, and a variable byp
 ass nozzle are introduced. Core engine behavior is assessed using experime
 ntal data and component maps derived from CFD studies.\n\nDesign-point and
  off-design performance simulations were conducted using a Python-based th
 ermodynamic modeling tool developed in-house. These simulations guided the
  selection of optimal fan parameters and gearbox ratios and enabled perfor
 mance comparison with conventional configurations.\n\nThe mechanical desig
 n phase covered the structural layout\, stress analysis\, thermal fit desi
 gn\, and additive manufacturing strategies. Custom assembly and alignment 
 techniques were implemented to ensure mechanical precision and operational
  reliability.\n\nAn experimental test bench was developed using a real-tim
 e control system (dSPACE)\, National Instruments hardware\, and a custom S
 imulink-LabVIEW software environment. Initial tests investigated engine st
 artup behavior\, sensor performance\, and IDLE regime stability.\n\nThe re
 sults demonstrate significant improvements in thrust and fuel efficiency u
 sing the adaptive configuration. The talk concludes with practical insight
 s from the assembly and testing process\, and recommendations for future e
 ngine iterations and control system enhancements.\n\n\n\n Details: \n 
CATEGORIES:Seminars,סמינרים
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng.

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