Results 61 to 70 of about 13,962 (229)

An Overview of Remaining Useful Life Prediction of Battery Using Deep Learning and Ensemble Learning Algorithms on Data‐Dependent Models

open access: yesInternational Transactions on Electrical Energy Systems, Volume 2025, Issue 1, 2025.
There has been expeditious development and significant advancements accomplished in the electrified transportation system recently. The primary core component meant for power backup is a lithium‐ion battery. One of the keys to assuring the vehicle’s safety and dependability is an accurate remaining useful life (RUL) forecast.
Sravanthi C. L.   +6 more
wiley   +1 more source

A Soviet quasi-market for inventions : jet propulsion, 1932–1946 [PDF]

open access: yes
This paper is about how a command system allocated resources under profound uncertainty. The command system was the Soviet economy, the period was Stalin's dictatorship, and the resources were designated for military research & development.
Harrison, Mark
core   +1 more source

Multiperspective Structural Integrity Investigations on the Rotor Blade of Axial Flow Compressor Under Various Rotodynamic Loading Conditions Using Enhanced Computational Analyses

open access: yesInternational Journal of Aerospace Engineering, Volume 2025, Issue 1, 2025.
Small gas turbine (SGT) engines power the latest generation of unmanned aerial vehicles (UAVs). This study investigates the axial flow–natured rotor blades of an SGT compressor. Rotor structures in axial flow compressors have failed due to complex stress scenarios.
Sandhiya Chandrakumar   +10 more
wiley   +1 more source

Numerical Simulation of Combustion Chamber for Button Turbojet Engine

open access: yesMATEC 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
doaj   +1 more source

Approximate dynamic model of a turbojet engine [PDF]

open access: yes
An approximate dynamic nonlinear model of a turbojet engine is elaborated on as a tool in studying the aircraft control loop, with the turbojet engine treated as an actuating component.
Artemov, O. A.
core   +1 more source

Design and Implementation of a Tube Heat Exchanger for Turbojet Engines to Improve Operational Efficiency

open access: yesInternational Journal of Aerospace Engineering, Volume 2025, Issue 1, 2025.
Heat exchangers are widely used across various industries to transfer heat between two fluids: liquid or gas without direct contact. In turbojet engines operating at high temperatures, heat exchangers are essential for cooling lubricants, improving engine efficiency, and minimizing lubricant degradation.
Dung Nghia Hoang   +4 more
wiley   +1 more source

Analysis of temperature distribution in the annular mixing chamber of a gas turbine engine

open access: yesАвіаційно-космічна техніка та технологія
The object of this research was the mixing chamber of a turbofan engine. The subject of this study was the thermogasdynamic processes in the mixing chamber of the turbojet engine before the turbine of the turbofan stage.
Illia Yudin
doaj   +1 more source

Bypass Turbojet Engines [PDF]

open access: yesProceedings of Higher Educational Institutions. Маchine Building, 2019
Subsonic bypass turbojet engines of the fifth generation have reached technical maturity, with overall efficiency of 35–38%. Without changing the thermodynamic cycle of the engine, any further work in this direction is futile. The researcher proposes a method of increasing the thermodynamic effectiveness of heat engines based on the so called internal ...
openaire   +1 more source

Computational Investigation of the Performance Enhancement of SR3 Propeller With Swirl Recovery Vanes

open access: yesModelling and Simulation in Engineering, Volume 2025, Issue 1, 2025.
A rotor in motion transfers energy to the fluid, comprising not only the essential axial component but also a rotating segment that contributes to propeller thrust. This study scrutinizes the effects of integrating swirl recovery vanes (SRVs) with the eight‐bladed SR3 rotor for transonic flows in a tractor prop configuration, examining setups both with
Santhi Raviselvam   +2 more
wiley   +1 more source

Optimum Design of Injection Ring for Micro-turbojet Engine

open access: yesHangkong gongcheng jinzhan, 2018
The fuel injection ring is an important part of the micro-turbojet engine. The uniformity of fuel injection quantity determines the uniformity of the temperature field in the combustion chamber.
Tan Kun   +4 more
doaj   +1 more source

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