Results 51 to 60 of about 21,160 (284)

Risk Analysis Under Uncertainty, Subjectivity, and Incomplete Knowledge: With a Use Case of Energy System Failures

Engineering Reports, Volume 7, Issue 7, July 2025.
FR‐FMEA combines fuzzy logic and rough set theory to address uncertainty and incomplete knowledge in failure analysis. Applied to a gas turbine system, it delivers more reliable and distinct risk rankings, identifying critical components for targeted maintenance and improved reliability.
Ali Aghazadeh Ardebili, Mahdad Pourmadadkar, Elio Padoano   +2 more
wiley   +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

Characteristic Investigation of a Novel Aircraft SOFC/GT Hybrid System under Varying Operational Parameters

Applied Sciences
In this study, the implementation of a solid oxide fuel cell–gas turbine hybrid engine for primary propulsion and electric power generation in aircraft is investigated. The following three parameters, which are crucial in attaining optimal performance at
Takudzwa Martin Mashamba, Jiale Wen, Catalina Spataru, Yiwu Weng, Xiaojing Lv   +4 more
doaj   +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

Dynamic Behavior of Twin-Spool Rotor-Bearing System with Pedestal Looseness and Rub Impact

Applied Sciences
The twin-spool rotor-bearing system plays a crucial role in the aero-engine. The potential manufacturing defect, assembly error, and abnormal working loads in the rotor-bearing system can induce multiple rotor failures, such as bolt looseness and rub ...
Haopeng Zhang, Runhan Li, Kuan Lu, Xiaohui Gu, Ruijuan Sang, Donglin Li   +5 more
doaj   +1 more source

The impacts of climate change on Greek airports [PDF]

, 2020
Time series of meteorological parameters at ten Greek airports since 1955 indicated the level of climate change in the Eastern Mediterranean area. Using this data, take-off performance was analysed for the DHC-8-400—a typical short range turboprop ...
Gratton, Guy, Padhra, Anil, Rapsomanikis, Spyridon, Williams, Paul D.   +3 more
core   +2 more sources

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

Turbofan Performance Estimation Using Neural Network Component Maps and Genetic Algorithm-Least Squares Solvers

International Journal of Turbomachinery, Propulsion and Power
Computational models of turbofans that are oriented to assist the design and testing of innovative components are of fundamental importance in order to reduce their environmental impact.
Giuseppe Lombardo, Pierantonio Lo Greco, Ivano Benedetti   +2 more
doaj   +1 more source

QCGAT aircraft/engine design for reduced noise and emissions [PDF]

, 1980
The high bypass ratio QCGAT engine played an important role in shaping the aircraft design. The aircraft which evolved is a sleek, advanced design, six-place aircraft with 3538 kg (7,800 lb) maximum gross weight. It offers a 2778 kilometer (1500 nautical
Lanson, L., Terrill, K. M.
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