Results 11 to 20 of about 9,256,798 (287)

Unbalance Prediction of Low Pressure Rotor Based on Mechanism and Data Fusion

Machines, 2022
The assembly, as the core part of low-pressure rotor manufacturing, is of great importance to ensure its unbalance. Low-voltage rotor assembly is a multi-process process influenced by the quality of part machining, assembly process, and assembly quality,
Mingwei Wang, Huibin Zhang, Lei Liu, Jingtao Zhou, Lu Yao, Xin Ma, Manxian Wang   +6 more
doaj   +1 more source

Variation of Engine Performance and Emissions using Ethanol Blends [PDF]

, 2010
The limited fossil fuel resources along with the increased public concerns about pollution levels have increased the need for alternative fuels for use in internal combustion engines.
Abuhabaya, Abdullah, Fieldhouse, John D.
core   +4 more sources

Crack initiation mechanisms and life prediction of GH4169 superalloy in the high cycle and very high cycle fatigue regime

Journal of Materials Research and Technology, 2023
In this study, the high cycle and very high cycle fatigue behavior of the GH4169 superalloy was investigated. The results of the fatigue tests demonstrated that failures in the high cycle fatigue regime were initiated from the material surface, whereas ...
Zhi Qin, Bin Li, Chen Chen, Tianyue Chen, Rui Chen, Han Zhang, Hongqian Xue, Changfeng Yao, Liang Tan   +8 more
doaj   +1 more source

Semi-Physical Simulation Optimization Method for Bolt Tightening Process Based on Reinforcement Learning

Machines, 2022
Bolted connections are the main method of connecting the components of an aero-engine low pressure rotor. Due to the influence of the elastic interaction relationship, it is easy to cause uneven distribution of the preload force of the bolt group ...
Huibin Zhang, Mingwei Wang, Wei Deng, Jianhua Zhao, Jingtao Zhou, Xin Ma, Lu Yao, Manxian Wang   +7 more
doaj   +1 more source

Design and Performance Investigation of a Vehicle Drive System with a 12/10 Flux-Switching Permanent Magnet Motor

Machines, 2022
The performance of a drive system with a flux-switching permanent magnet (FSPM) motor was studied through tests on a commercial electric vehicle (CEV).
Yada Chi, Guangyuan Shi, Haorong Guo, Nan Yang, Chengcheng Zhu, Minchao Cui   +5 more
doaj   +1 more source

Identification of Key Factors and Mining of Association Relations in Complex Product Assembly Process

International Journal of Aerospace Engineering, 2022
There are many factors involved in the assembly process of complex products, but only a few of the key influencing factors really affect the performance of the product assembly.
Huibin Zhang, Mingwei Wang, Wei Deng, Jingtao Zhou, Lei Liu, Jianfeng Li, Rong Li   +6 more
doaj   +1 more source

Research progress and development trend of fiber-reinforced ceramic matrix composites

Journal of Aeronautical Materials, 2021
Fiber-reinforced ceramic matrix composites have many excellent mechanical properties for their high specific modulus，high specific strength, low coefficient of thermal expansion，high temperature resistance，corrosion resistance and wear resistance. Due to
ZHANG Menghua, PANG Zixuan, JIA Yunxiang, LI Juncaoyi, SHAN Chenwei   +4 more
doaj   +1 more source

Experimental Investigation on Evaluation Method of Milling-grinding Surface Quality for SiC_f/SiC Composite

Hangkong gongcheng jinzhan, 2022
Since SiCf/SiC composite is typical heterogeneous and anisotropic material,the metal material quality evaluation system is not fully applicable.There is an urgent need to establish a suitable surface quality evaluation method.Combined with the ultrasonic
LIU Cong, XIONG Yifeng, WANG Wenhu, JIANG Ruisong, HUANG Bo, LIU Xiumei, LIWeijun   +6 more
doaj   +1 more source

Gas turbine transient performance modeling for engine flight path cycle analysis [PDF]

, 2010
The growth in competitiveness in airline industry has called for more advanced tool to estimate the operating costs. Engine maintenance costs are an important decisionmaking element during airline fleet selection judgment.
Janikovic, Jan
core   +4 more sources

Complex artefact suppression for sparse reconstruction based on compensation approach in X‐ray computed tomography

IET Image Processing, 2023
To provide high‐quality imaging by decreasing the sparse view imaging artefact from the computed tomography (CT) images, this study addresses a new artefact suppression technique for sparse data for both single material and multi‐material objects that ...
Fuqiang Yang, Dinghua Zhang, Kuidong Huang, Yao Yang, Zhixiang Li   +4 more
doaj   +1 more source