Results 81 to 90 of about 9,897 (232)

Dynamic predictive maintenance for multiple components using data-driven probabilistic RUL prognostics: The case of turbofan engines

Reliability Engineering & System Safety, 2023
M. Mitici, I. Pater, A. Barros, Zhiguo Zeng   +3 more
semanticscholar   +1 more source

Comprehensive analysis and optimization for conceptual scheme of hydrogen-powered turbofan aircraft

Hangkong gongcheng jinzhan
Hydrogen-powered turbofan aircraft is powered by the direct combustion of hydrogen in the turbofan engine, which is an important development direction of green aviation.
CHEN Zichu, YU Xiongqing
doaj   +1 more source

Change of temperature field in the depending mixing chamber on the bypass ratio

Авіаційно-космічна техніка та технологія
The mixing chamber of a turbofan jet engine with an additional turbofan unit is the object of this study. The subject of the research is the influence of the bypass ratio on the formation of the temperature field in the mixing chamber before the turbofan
Yurii Tereshchenko, Illia Yudin
doaj   +1 more source

Study on Overall Parameter and Performance Analysis of Different Configurations for Civil Turbofan Engine

Hangkong gongcheng jinzhan, 2018
In order to improve the competitiveness, optimizing the fuel economy and competitiveness of civil turbofan engines is becoming the research highlights recently.
Xue Bingjing, Li Hualei, Tan Zhiyong
doaj   +1 more source

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

Авіаційно-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

Multi-Head Self-Attention-Based Fully Convolutional Network for RUL Prediction of Turbofan Engines

Algorithms
Remaining useful life (RUL) prediction is widely applied in prognostic and health management (PHM) of turbofan engines. Although some of the existing deep learning-based models for RUL prediction of turbofan engines have achieved satisfactory results ...
Zhaofeng Liu, Xiaoqing Zheng, Anke Xue, Ming Ge, Aipeng Jiang   +4 more
doaj   +1 more source

A conceptual framework for technological catch up of commercial turbofan engines in Iran based on Meta Synthesis approach [PDF]

بهبود مدیریت, 2019
The aircraft system and its sub-systems, including the engine, are components of complex product systems that highly costly and technology-intensive.
Ali Heidari, Manochehr Manteghi, Fakhredin Naderi, Mohammadreza Esmaili Givi   +3 more
doaj  

A Scheduling Scheme of Linear Model Predictive Controllers for Turbofan Engines

IEEE Access, 2017
An adaptive model predictive controller with a new scheduling scheme for turbofan engines is proposed, which can transfer engine from one working state to the others within the flight envelope.
Xian Du, Xi-Ming Sun, Zhi-Min Wang, An-Ning Dai   +3 more
doaj   +1 more source

Investigation of overall performance of turbofan engine with pulse detonation combustor in bypass duct

Xibei Gongye Daxue Xuebao
The performance model was established to study the performance of mixed exhaust turbofan engine with pulse detonation combustor (PDC) in the bypass duct.
PENG Chenxu, ZHENG Longxi, LU Jie, LUO Zhenkun, ZHANG Jiabo   +4 more
doaj   +1 more source

HMM-Based Method for Aircraft Environmental Control System Turbofan Rolling Bearing Fault Diagnosis

Shock and Vibration
In response to the high-noise, nonlinear, and nonstationary characteristics of vibration signals from aircraft environmental control system (ECS) turbofan rolling bearings, this paper proposes a diagnostic method for the degree of ECS turbofan bearing ...
Gang Yang, Yu Wang, Dezhao Qin, Rui Zhu, Qingpeng Han   +4 more
doaj   +1 more source