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
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Experimental Transient Process Analysis of Micro-Turbojet Aviation Engines: Comparing the Effects of Diesel and Kerosene Fuels at Different Ambient Temperatures [PDF]
EnergiesIn this paper, we investigate the impact of diesel and kerosene on the transient processes occurring in a micro-turbojet aviation engine. The experiments were conducted under two distinct ambient temperature conditions, 0 and 20 °C.
Grigore Cican
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CENTRIFUGAL COMPRESSOR HEAD CHARACTERISTIC OF A MICRO TURBOJET ENGINE BASED ON NUMERICAL SIMULATION
Perm National Research Polytechnic University Aerospace Engineering Bulletin, 2020 Shown the possibility of using the standard ANSYS CFX hydrodynamic software package for calculating the gasdynamic characteristics of the centrifugal compressor impeller of micro turbojet engines with different options for profiling blades which based on physical and numerical modeling.
Bestoon Najmuldeen Abdullah Abdullah +2 more
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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
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Centrifugal Compressor and Bell mouth Air Intake Preliminary Design for Micro Turbojet Engine
Journal of Karary University for Engineering and Science, 2021 This paper presents a design of centrifugal compressor and air intake for micro turbojet engine of 200 N thrust. Because of the small size of the micro turbine engines the air intake is designed in the form of bellmouth air intake in order to capture the
Hamed Mohamed Ahmed Ali +4 more
semanticscholar +2 more sources
Computational Analysis of Flow Field on the Propulsion Nozzle of a Micro-Turbojet Engine
The Aeronautical Journal, 2012 ABSTRACTInfrared signal measurements from a micro-turbojet engine are conducted to understand the characteristics of the engine performance and the infrared signal by varying the exhaust nozzle configuration. A cone type nozzle and five rectangle type nozzles whose aspect ratios vary from one to five are used for this experimental work. As a result, it
Jorge Luis Garrido-Téllez +4 more
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Design and Analysis of Annular Combustion Chamber for a Micro Turbojet Engine
, 2019 The design of high performance combustion chambers for turbojet engines is considered as one of the most challenges that face gas turbine designers, since the design approach depends on empirical correlations of data derived from the previous design experiences.
Rashid Slaheldinn Elhaj Mohammed
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Innovative Design and Fast Iterative Manufacturing of Micro-Turbojet Engines at Low Cost
Highlights in Science, Engineering and TechnologyThe turbojet is the foundation of the gas turbine engine, which combines knowledge of fluid dynamics, thermodynamics, heat transfer, mechanical design, manufacturing, and jet propulsion. This paper describes in detail the inspiration source, design process, fluid dynamics analysis, manufacturing steps, ignition test method and test process of small jet
Yiding Zhang, Yitong Zhang
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216302 Performance of Micro Turbojet Engine in Low Flight Speed
The Proceedings of Conference of Kanto Branch, 2011 Makoto Sasaki, Yuta NAGAYAMA
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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