Results 1 to 10 of about 9,976 (218)

An example of use of gas turbine engine compressor, which has been mastered in production and has good characteristics in a new product project [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2022
The development of a new gas turbine engine requires a lot of time and money spent on the design and testing its compressor, which has been shown as the most complex and time-consuming assembly unit of the engine.
A. V. Grekhnev
doaj   +1 more source

Performance Evaluation of a Turbojet Engine by Exergy Analysis of its Components [PDF]

open access: yesفناوری در مهندسی هوافضا, 2021
In this research, the performance of the J85-GE21 turbojet engine by exergy analysis of engine components was evaluated. The performance of the engine and its components for different power loads, at S.L.
Morteza Bayati
doaj   +1 more source

Research on the Application of Integrated Design on Micro Turbojet Engine

open access: yesHangkong 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   +1 more source

Analysis of possibility of using commercial micro turbojet engines for high-speed small-sized operational-tactical UAVs

open access: yesАвіаційно-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

Design and Experimental Study of a Turbojet VTOL Aircraft with One-Dimensional Thrust Vectoring Nozzles

open access: yesAerospace, 2022
Turbojet engines have a slow response and require mechanical assistance to perform vertical take-offs and landings. In this paper, we propose a vertical take-off and landing (VTOL) aircraft that contains one-dimensional thrust vectoring nozzle modules to
Benshan Liu   +6 more
doaj   +1 more source

Advanced Control of an Electric Fuel-Oil Pump for Small Turbojet Engines

open access: yesAerospace, 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   +1 more source

Analysis of the influence of the nacelle on the thrust force of the fan circuit of the turbo-fan attachment

open access: yesАвіаційно-космічна техніка та технологія, 2023
The subject of this study is the interaction between the engine nacelle of a three-circuit turbojet engine and a turbofan attachment. The object of this research is a model of a cylindrical engine nacelle and a fan part of the impeller of a turbofan ...
Roman Maiboroda
doaj   +1 more source

Review of Small Gas Turbine Engines and Their Adaptation for Automotive Waste Heat Recovery Systems

open access: yesInternational Journal of Turbomachinery, Propulsion and Power, 2020
Current commercial and heavy-duty powertrains are geared towards emissions reduction. Energy recovery from exhaust gases has great potential, considering the mechanical work to be transferred back to the engine.
Dariusz Kozak, Paweł Mazuro
doaj   +1 more source

Impact of Using Chevrons Nozzle on the Acoustics and Performances of a Micro Turbojet Engine

open access: yesApplied 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

Ecologic performance and sustainability evaluation of a turbojet engine under on-design conditions

open access: yesAviation, 2018
Interest in air transportation in the last decade has seen aviation fleet growth and a rise in the energy consumption of aircraft. In accordance with the latest data, the air transportation sector consumes 7.5% of total oil consumption worldwide.
Yasin Şöhret
doaj   +1 more source

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