Results 1 to 10 of about 2,586 (182)
Single Neural Adaptive PID Control for Small UAV Micro-Turbojet Engine [PDF]
Sensors, 2020 The micro-turbojet engine (MTE) is especially suitable for unmanned aerial vehicles (UAVs). Because the rotor speed is proportional to the thrust force, the accurate speed tracking control is indispensable for MTE.
Wei Tang +3 more
doaj +10 more sources
Gear-Shaped High‑g Combustion Chamber for Micro Turbojet Engine Applications [PDF]
ACS OmegaEnhancing combustion efficiency and optimizing the thrust-to-weight ratio are critical technical challenges encountered in the development, application, and growth of micro turbojet engines. The high-centrifugal (high-g) combustion chamber, as an innovative combustion chamber system, has the capability to replace the primary combustion chamber of the ...
Haozhong Huang +4 more
doaj +4 more sources
AerospaceIncreasing aviation activities have heightened concerns about particulate emissions from aircraft engines. Current ICAO standards mainly focus on large civil turbofan engines, leaving a gap in the research on PN emissions from small aircraft engines ...
Zheng Xu +8 more
doaj +4 more sources
Research on the Application of Integrated Design on Micro Turbojet Engine
Hangkong gongcheng jinzhan, 2022 There are no detailed design criteria and methods for the integrated design of micro turbojet engine.The size and weight design and evaluation method for turbojet engines are used to perform the integrated design of several 9~80 kgf micro turbojet ...
CHEN Minze +4 more
doaj +2 more sources
Eddy Current Sensor System for Blade Tip Clearance Measurement Based on a Speed Adjustment Model [PDF]
Sensors, 2019 Blade tip clearance (BTC) measurement and active clearance control (ACC) are becoming crucial technologies in aero-engine health monitoring so as to improve the efficiency and reliability as well as to ensure timely maintenance. Eddy current sensor (ECS)
Jiang Wu +6 more
doaj +2 more sources
Investigation of thrust vector angle control law based on micro-turbojet engine
AIP Advances, 2022 The fluid thrust vectoring nozzle has a fixed profile, few moving parts, and lightweight structure, providing effective flight control for high maneuvering aircraft. The nonlinear control law of the jet deflection angle is one of the critical problems of
Shaoqing Chi +3 more
doaj +2 more sources
Optimum Design of Injection Ring for Micro-turbojet Engine
Hangkong gongcheng jinzhan, 2018 The fuel injection ring is an important part of the micro-turbojet engine. The uniformity of fuel injection quantity determines the uniformity of the temperature field in the combustion chamber.
Tan Kun +4 more
doaj +2 more sources
A denoising method for aeroengine gas path electrostatic signal of low signal-to-noise ratio based on IMFs optimized reconstruction and wavelet threshold [PDF]
Scientific ReportsElectrostatic monitoring technology for aero-engines has demonstrated considerable capability in early fault warning. However, raw electrostatic signals often contain significant noise and exhibit low signal-to-noise ratios, making denoising essential to
Chaoying Yan, Yan Liu, Feng Lu
doaj +2 more sources
Micro turbojet engine nozzle ejector impact on the performance and transient regimes analysis
Case Studies in Thermal EngineeringThis study investigates the influence of an ejector nozzle on the performance and transient behavior of a micro turbojet engine. The problem addressed is the improvement of thrust and fuel efficiency in micro propulsion systems and offering new insights ...
Valentin Silivestru +4 more
doaj +2 more sources
Aviation, 2019 Micro turbojets can be used for propulsion of civilian and military aircraft, consequently their investigation and control is essential. Although these power plants exhibit nonlinear behaviour, their control can be based on linearized mathematical models
Khaoula Derbel, Károly Beneda
doaj +4 more sources