Results 51 to 60 of about 10,178 (235)

Numerical Analyses of Surge Process in a Small-Scale Turbojet Engine by Three-Dimensional Full-Engine Simulation

open access: yesAerospace
Surge is a typical aerodynamic instability phenomenon in the compressors of aeroengines. The surge can lead to severe performance degradation and even structural damage to the engine and the air vehicle, making it a longstanding critical concern in the ...
Mengyang Wen   +8 more
doaj   +1 more source

Artificial Intelligence in Digital Twins: Paradigm, Enabling Technologies and Advantages

open access: yesDigital Twins and Applications, Volume 3, Issue 1, January/December 2026.
As the cornerstone of the digital economy, digital twins have attracted widespread attention in academic circles. Integrations of artificial intelligence (AI) and digital twins (DT), creating an AI–DT system, has become an important research field. In this work, a six‐dimensional paradigm of AI–DT is proposed by integrating artificial intelligence and ...
Cong Peng   +3 more
wiley   +1 more source

Orbiter/launch system [PDF]

open access: yes, 1981
The system includes reusable turbojet propelled booster vehicles releasably connected to a reusable rocket powered orbit vehicle. The coupled orbiter-booster combination takes off horizontally and ascends to staging altitude and speed under booster power
Jackson, L. R.   +3 more
core   +1 more source

AI‐Driven Battery Management for E‐Mobility: Predicting State of Health and Remaining Useful Life

open access: yesApplied Computational Intelligence and Soft Computing, Volume 2026, Issue 1, 2026.
Predicting the State of Health (SoH) and Remaining Useful Life (RUL) is crucial in lithium‐ion batteries (LiBs) used in electric vehicles (EVs). The rapid growth of EVs has created a strong demand for an advanced battery management system (BMS). The BMS plays a critical role in maintaining battery health, safety, and efficiency, which are the heart of ...
Satyashil D. Nagarale   +3 more
wiley   +1 more source

Research on Carbon Footprint Reduction During Hydrogen Co-Combustion in a Turbojet Engine

open access: yesEnergies
The 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   +1 more source

Ramjet Compression System for a Hypersonic Air Transportation Vehicle Combined Cycle Engine

open access: yesEnergies, 2018
This report assesses the performance characteristics of a ramjet compression system in the application of a hypersonic vehicle. The vehicle is required to be self-powered and perform a complete flight profile using a combination of turbojet, ramjet and ...
Sasha Veeran   +2 more
doaj   +1 more source

Gas turbine exhaust nozzle [PDF]

open access: yes, 1973
An elongated hollow string is disposed in an exhaust nozzle combustion chamber and communicates with an air source through hollow struts at one end. The other end of the string is bell-mouth shaped and extends over the front portion of a nozzle plug. The
Straight, D. M.
core   +1 more source

Thermal–Structural Assessment of a Convergent Nozzle for UAV Applications Using Advanced Steady‐State Thermal Analysis

open access: yesJournal of Engineering, Volume 2026, Issue 1, 2026.
This study presents an in‐depth structural evaluation of the convergent nozzle in a microgas turbine engine (MGTE), focusing on the performance of various lightweight materials used in aerospace applications. The research investigates both structural and aerothermal characteristics of the nozzle under realistic operating conditions.
Darshan Kumar Jayaram   +4 more
wiley   +1 more source

Analysis of the Matching Line of between Turbine and Compressor in a Turbojet Engine

open access: yesDiyala Journal of Engineering Sciences
Turbojet engines are now being given serious consideration owing to the high thrust power that they can deliver. The challenge that has arisen for the producers and designers of these engines relates to the problem of matching the compressor and the ...
Seyyed Kazem Yekani   +3 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

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