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Comparative Study of Noise Control in Micro Turbojet Engines with Chevron and Ejector Nozzles Through Statistical, Acoustic and Imaging Insight [PDF]
Alina Bogoi +5 more
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Vibration Analysis of a Micro Turbojet Engine under Two Impeller Structural Faults
Proceedings of Global Power & Propulsion SocietyDisk fracture and locking nut loosening of centrifugal impeller leads to severe vibration of micro turbojet engines, posing significant threats to engine stability and safety. In order to identify the engine vibration characteristics induced by the above two faults in a practical micro aero-engine, vibration acceleration of the engine casing is ...
Zhiming Yang +6 more
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Development of a Hardware Simulator for a Micro Turbojet Engine
2022 IEEE 20th Jubilee World Symposium on Applied Machine Intelligence and Informatics (SAMI), 2022Aviation industry has been going through a significant growth in the past decades. Parallel to this environmental impact of aircrafts is increasing as well.
Roland Istenes-Nemeth +2 more
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Controller Design for Micro Turbojet Engine
2020 12th International Conference on Electrical Engineering (ICEENG), 2020Modern turbojet engines are controlled using digital controllers. First of all, the micro turbojet engine discrete model is identified. System identification technique utilized real data obtained from jet cat P200sx engine running experiments. Digital PID controllers are mostly used for controlling these engines.
Ahmed M. shehata +2 more
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International Journal of Turbo & Jet-Engines, 2022 In view of the problem that the vibration of the centrifugal impeller of the compressor exceeds the standard when a micro turbojet engine crosses the first-order critical speed, this research proposes a vibration control technology for the engine rotor ...
Wenhao Wang +7 more
semanticscholar +2 more sources
Research on Control of Micro Turbojet Engine Based on All-Coefficient Adaptive Control
2024 3rd International Symposium on Aerospace Engineering and Systems (ISAES)Aiming at the problem that the 150kg thrust stage micro turbojet engine has strong nonlinearity in the starting, acceleration and deceleration process under complex environment, is susceptible to external interference, and too long operation time leads ...
Jiahui Zhang +6 more
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The Aeronautical Journal
AbstractIn this study, measurements and numerical analyses of the temperature distribution of exhaust gas passing through two types of mixers using a micro turbojet engine were performed to investigate the flow mixing performance based on the shape of the mixer, which mixes the bypass air and core air in a gas turbine turbofan engine.
C. Lee, S.M. Choi
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AbstractIn this study, measurements and numerical analyses of the temperature distribution of exhaust gas passing through two types of mixers using a micro turbojet engine were performed to investigate the flow mixing performance based on the shape of the mixer, which mixes the bypass air and core air in a gas turbine turbofan engine.
C. Lee, S.M. Choi
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The KSFM Journal of Fluid Machinery
Unmanned aerial vehicles (UAVs) are increasingly utilized in modern warfare, requiring propulsion systems with wide range operating capability and higher speeds to improve multifunctionality and counter threats.
Dong-Eun Lee +2 more
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Unmanned aerial vehicles (UAVs) are increasingly utilized in modern warfare, requiring propulsion systems with wide range operating capability and higher speeds to improve multifunctionality and counter threats.
Dong-Eun Lee +2 more
openaire +2 more sources