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Impact of Using Chevrons Nozzle on the Acoustics and Performances of a Micro Turbojet Engine [PDF]
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
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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
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Advanced Control of an Electric Fuel-Oil Pump for Small Turbojet Engines [PDF]
Aerospace, 2022 One way to efficiently control the fuel flow of small turbojet engines is to use direct control of the speed of a suitable electric fuel pump, as opposed to using relief valves.
Ladislav Főző, Rudolf Andoga
doaj +2 more sources
Numerical Simulation of Combustion Chamber for Button Turbojet Engine [PDF]
MATEC Web of Conferences, 2016 To provide reference data for ultra-micro combustor, a new type button turbojet engine was designed and simulated the combustion’s steady-state process.
Ma Hongpeng +4 more
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Single Neural Adaptive PID Control for Small UAV Micro-Turbojet Engine. [PDF]
Sensors (Basel), 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.
Tang W, Wang L, Gu J, Gu Y.
europepmc +2 more sources
Research on Carbon Footprint Reduction During Hydrogen Co-Combustion in a Turbojet Engine
EnergiesThe paper presents experimental studies on the effect of co-combustion of aviation kerosene with hydrogen in the GTM400 turbojet engine on the change in the carbon footprint generated by the engine in relation to its standard operation without hydrogen ...
Bartosz Ciupek +2 more
doaj +2 more sources
International Journal of Turbomachinery, Propulsion and Power, 2022 Presented herein is a comparative performance analysis of a novel turbofan engine with an auxiliary combustion chamber, nicknamed the TurboAux engine, against a turbojet engine, and a low bypass ratio turbofan engine with an afterburner is presented. The
Kaleab Fetahi +2 more
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Mach 4 Simulating Experiment of Pre-Cooled Turbojet Engine Using Liquid Hydrogen
Aerospace, 2022 This study investigated a pre-cooled turbojet engine for a Mach 5 class hypersonic transport aircraft. The engine was demonstrated under takeoff and Mach 2 flight conditions, and a Mach 5 propulsion wind tunnel test is planned.
Hideyuki Taguchi +5 more
doaj +2 more sources
Robust Control of Small Turbojet Engines [PDF]
Machines, 2019 Modern turbojet engines mainly use computerized digital engine control systems. This opens the way for application of advanced algorithms aimed at increasing their operational efficiency and safety. The theory of robust control is a set of methods known for good results in complex control tasks, making them ideal candidates for application in the ...
Rudolf Andoga +5 more
openaire +3 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 +2 more sources