Results 1 to 10 of about 2,496 (148)
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 +2 more sources
Thermodynamics, Environmental and Sustainability Impacts of a Turbofan Engine Under Different Design Conditions Considering Variable Needs in the Aviation Industry. [PDF]
Glob ChallThermodynamic analysis is applied to the kerosene fuelled high by‐pass turbofan (HBP‐TF) engine to assess entropy, exergy, environmental and sustainability metrics for different design variables. As a novelty, entropic improvement potential index for turbomachinery components and specific irreversibility production for the whole engine are computed ...
Aygun H, Sheikhi MR, Caliskan H.
europepmc +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
Gear-Shaped High‑g Combustion Chamber for Micro Turbojet Engine Applications [PDF]
ACS OmegaHaozhong Huang +4 more
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Intensification of convective heat exchange of walls of heat pipe of 3D-printed micro-sized turbojet engine [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2022 The article considers the solution of the urgent problem of creating a micro-sized turbojet engine using 3D printing. The article describes one of the ways to cool the walls of the heat pipe of a small combustion chamber made of heat-resistant material
A. V. Pobelyansky +2 more
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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
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Авіаційно-космічна техніка та технологія, 2023 Despite the technological advances that made it possible to create serial commercial micro-turbojet engines with a thrust of up to 1.0 kN, engines of this type in the class of high-speed unmanned aerial vehicles (UAVs) weighing up to 200 kg have not yet ...
Olexander Khrulev
doaj +1 more source
Impact of Using Chevrons Nozzle on the Acoustics and Performances of a Micro Turbojet Engine
Applied Sciences, 2021 This paper presents a study regarding the noise reduction of the turbojet engine, in particular the jet noise of a micro turbojet engine. The results of the measurement campaign are presented followed by a performances analysis which is based on the ...
Grigore Cican +2 more
doaj +1 more source
Energy Reports, 2022 This study presents a comprehensive investigation of the emission impact, environmental damage cost, exergoenvironmental and life cycle assessment (LCA) analyses of a micro turbojet engine (m-TJE) utilized on Unmanned Air Vehicle (UAV) for four different
Ozgur Balli +3 more
doaj +1 more source
Inventions, 2023 In connection with subsonic jet noise production, especially regarding the hot jet from a micro turbojet engine, we encountered a lack of recent high-resolution data in the literature describing the flow field using experimental validation through ...
Grigore Cican +4 more
doaj +1 more source