Results 71 to 80 of about 769,162 (329)

Recursive least squares for online dynamic identification on gas turbine engines [PDF]

, 2016
Online identification for a gas turbine engine is vital for health monitoring and control decisions because the engine electronic control system uses the identified model to analyze the performance for optimization of fuel consumption, a response to ...
Nalianda, Devaiah, Nikolaidis, Theoklis, Zhou, Li   +2 more
core   +1 more source

Numerical Investigations of the Aerothermal Performance of Modern Turbine Blade Tip Geometries at Design and Off‐Design Conditions and Under Stationary and Moving Shroud

Heat Transfer, Volume 54, Issue 5, Page 3193-3207, July 2025.
ABSTRACT High‐pressure turbine blade tips operate under extreme thermal stress, generating significant aerodynamic losses that must be continually optimized to improve engine efficiency and durability. This study uses computational fluid dynamics (CFD) to investigate the aerodynamic and thermal behavior of advanced turbine blade tip configurations ...
Kheir‐Eddine Arrif, Zakaria Mansouri, Salaheddine Azzouz   +2 more
wiley   +1 more source

Automation of Predictive Maintenance: An Experimental Framework for Aircraft Landing Gear

Engineering Reports, Volume 7, Issue 6, June 2025.
Modern aircraft generate vast flight data, yet limited domain expertise hinders widespread predictive maintenance model development. This study compares traditional and automated machine learning (AutoML) models for Airbus landing gear health monitoring, showing AutoML's potential to streamline workflow, improve accessibility, and enable non‐experts to
Izaak Stanton, Kamran Munir, Ahsan Ikram, Murad El‐Bakry   +3 more
wiley   +1 more source

Test stand performance of a convertible engine for advanced V/STOL and rotorcraft propulsion [PDF]

A variable inlet guide vane (VIGV) convertible engine that could be used to power future high-speed V/STOL and rotorcraft was tested on an outdoor stand.
Mcardle, Jack G.
core   +1 more source

A kernel principal component analysis–based degradation model and remaining useful life estimation for the turbofan engine

Advances in Mechanical Engineering, 2016
Remaining useful life estimation of the prognostics and health management technique is a complicated and difficult research question for maintenance. In this article, we consider the problem of prognostics modeling and estimation of the turbofan engine ...
Delong Feng, Mingqing Xiao, Yingxi Liu, Haifang Song, Zhao Yang, Lei Zhang   +5 more
doaj   +1 more source

Comparative performance analysis of combined-cycle pulse detonation turbofan engines (PDTEs)

Propulsion and Power Research, 2013
Combined-cycle pulse detonation engines are promising contenders for hypersonic propulsion systems. In the present study, design and propulsive performance analysis of combined-cycle pulse detonation turbofan engines (PDTEs) is presented.
Sudip Bhattrai, Hao Tang
doaj   +1 more source

Recent progress of direct ammonia fuel cells: from materials to transportation applications

Rare Metals, Volume 44, Issue 6, Page 3686-3708, June 2025.
Graphical Abstract AbstractAmmonia is a promising zero‐carbon alternative fuel. Direct ammonia fuel cells (DAFCs), as an efficient ammonia‐fueled power system, have an extremely high application value in the field of transportation for decarbonization.
Yi Huang, Ji‐Hong Feng, Yue Yi, Fei Duan, Xin‐Hua Liu, Guang‐Yu Tian, Jun Gu, Hai‐Dong Bian, Jun Li   +8 more
wiley   +1 more source

Study of small turbofan engines applicable to general-aviation aircraft [PDF]

The applicability of small turbofan engines to general aviation aircraft is discussed. The engine and engine/airplane performance, weight, size, and cost interrelationships are examined. The effects of specific engine noise constraints are evaluated. The
Alsworth, C. C., Burnett, G. A., Merrill, G. L.   +2 more
core   +1 more source

Design, Synthesis, and Characterization of Lightweight Medium/High Entropy Alloys—A Review

Engineering Reports, Volume 7, Issue 5, May 2025.
Lightweight high‐entropy alloys (HEAs) offer exceptional properties like low density, high strength, and thermal stability, making them ideal for aerospace and automotive applications. The paper explores their design, synthesis, and characterization, emphasizing their potential for high‐performance application in aerospace and automotive industries ...
Fainah Madewu, Nicholus Malatji, Mxolisi Brendon Shongwe, Tawanda Marazani, Lehlogonolo Rudolf Kanyane   +4 more
wiley   +1 more source

Effect of forward motion on engine noise [PDF]

Methods used to determine a procedure for correcting static engine data for the effects of forward motion are described. Data were analyzed from airplane flyover and static-engine tests with a JT8D-109 low-bypass-ratio turbofan engine installed on a DC-9-
Blankenship, G. L., Low, J. K. C., Merriman, J. E., Watkins, J. A.   +3 more
core   +1 more source