Results 1 to 10 of about 13,962 (229)

Robust Control of Small Turbojet Engines [PDF]

open access: yesMachines, 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.
Rudolf Andoga   +5 more
doaj   +4 more sources

Linear dynamic mathematical model and identification of micro turbojet engine for Turbofan Power Ratio control

open access: diamondAviation, 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   +3 more sources

Calibration and verification of an original module measuring turbojet engine blades geometric parameters [PDF]

open access: diamondArchive of Mechanical Engineering, 2019
The article presents the issue of calibration and verification of an original module, which is a part of the robotic turbojet engines elements processing station. The task of the module is to measure turbojet engine compressor blades geometric parameters.
Dariusz Szybicki   +3 more
doaj   +3 more sources

A comprehensive approach to understanding irreversibility in a turbojet

open access: yesPropulsion and Power Research, 2018
Regarding interest in and concerns about high efficiency in recent times, an irreversibility assessment of energy conversion systems is significant. Turbojets, a type of energy conversion system, are widely used to provide thrust for aerial vehicles ...
Yasin Şöhret
doaj   +4 more sources

Investigation of thrust vector angle control law based on micro-turbojet engine [PDF]

open access: goldAIP 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

Intelligent Situational Control of Small Turbojet Engines

open access: goldInternational Journal of Aerospace Engineering, 2018
Improvements in reliability, safety, and operational efficiency of aeroengines can be brought in a cost-effective way using advanced control concepts, thus requiring only software updates of their digital control systems.
Rudolf Andoga   +6 more
doaj   +2 more sources

Altitude Performance of a Turbojet With Alternate Fuels

open access: greenVolume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Wind Turbine Technology, 2011
To enhance energy security and reduce the environmental impact of aviation, alternate fuels derived from various non-petroleum based sources are being developed. Currently alternate fuels are produced to match the properties of existing jet fuels allowing the new fuels to be used in current fleets concurrently with traditional jet fuel.
Davison, Craig R., Chishty, Wajid A.
openaire   +4 more sources

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

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

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

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