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PISTON: 作品数：104被引量：268H指数：7; 导出分析报告; 相关领域：机械工程更多>>; 相关作者：张景旭张金凯安其昌杨飞刘金祥更多>>; 相关机构：北京理工大学中国科学院长春光学精密机械与物理研究所上海交通大学中国科学院研究生院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金中国航空科学基金国家科技支撑计划国家高技术研究发展计划更多>>

3D Roughness Prediction Modeling and Evaluation of Textured Liner of Piston Component-Cylinder System: 《Chinese Journal of Mechanical Engineering》2024年第5期203-215,共13页Yanjun Lü Cheng Liu Yongfang Zhang Cheng Jiang Xudong Bai Zhiguo Xing; Supported by National Natural Science Foundation of China(Grant No.52075438);Key Research and Development Program of Shaanxi Province of China(Grant No.2024GX-YBXM-268);Open Project of State Key Laboratory for Manufacturing Systems Engineering of China(Grant No.sklms2020010).; In this study,a machine vision method is proposed to characterize 3D roughness of the textured surface on cylinder liner processed by plateau honing.The least absolute value(L∞)regression robust algorithm and Levenbe...; 关键词：Surface texture Cylinder liner 3D roughness Neural network

Numerical modeling techniques for noise emission of free railway wheels: 《Railway Engineering Science》2024年第2期144-161,共18页Linus Taenzer Urs Pachale Bart Van Damme Andrea Bergamini Domenico Tallarico; The project was commissioned and supported by the funding of the Federal Office of Environment(No.1337000438).; In this article,we consider the numerical prediction of the noise emission from a wheelset in laboratory conditions.We focus on the fluid-structure interaction leading to sound emission in the fluid domain by analyzin...; 关键词：Discretized baffled piston Finite element Boundary element Railway noise Acoustic emission Vibrations

Static and Thermal Analysis of Aluminium (413,390,384 and 332) Piston Using Finite Element Method: 《Modeling and Numerical Simulation of Material Science》2024年第1期1-38,共38页Offei David Inusah Jacob Kwaku Nkrumah Vincent Akolbire Atindana; The main objective of this research was to examine the suitability of aluminium alloy to design a piston of an internal combustion engine for improvement in weight and cost reduction. The piston was modelled using Aut...; 关键词：Von Mise stress Total deformation Aluminium alloy Thermal analysis. PISTON Static structural Heat fux

基于多CNN的分块镜piston和tip-tilt误差同步检测方法研究被引量：1: 《仪器仪表学报》2024年第3期188-197,共10页李响赵伟瑞; 国家自然科学基金(11874086)项目资助。; 绝大多数大型望远镜采用分块镜的设计方案,为了获得优质的成像效果,需要控制分块望远镜系统的piston和tip-tilt误差。神经网络误差检测方法相较于传统的检测方法具有一定优势,但存在仅检测单一类型误差的局限性。本文提出一种基于卷积...; 关键词：piston误差 tip-tilt误差分块镜卷积神经网络

GEO-PISTON重力活塞取样器工作原理与工程应用被引量：1: 《价值工程》2023年第26期104-107,共4页陈小冬陈哲董茂山; 重力取样对样品的破坏程度较小、结构简单、对母船适应能力强、理论上不受作业水深的限制。本文系统梳理介绍了“The Geo-Piston Corer”重力活塞取样器系统结构和工作原理,开展了海试工程应用,分析了应用过程中问题产生的原因,并提出...; 关键词：海洋工程探勘重力活塞取样收放系统沉积物取样

Coupled evolution of piston asperity and cylinder bore contour of piston/cylinder pair in axial piston pump被引量：2: 《Chinese Journal of Aeronautics》2023年第8期395-407,共13页Fei LYU Junhui ZHANG Shoujun ZHAO Kun LI Bing XU Weidi HUANG Haogong XU Xiaochen HUANG; financially supported by the National Key Research and Development Program of China(No.2018YFB2001101);the National Outstanding Youth Science Foundation of China(No.51922093);the National Natural Science Foundation of China(No.51890882).; The wear condition of the piston/cylinder pair is crucial to the performance and reliability of the axial piston pump.The hard piston surface,the soft cylinder bore surface,and the interface oil film affects each othe...; 关键词：ASPERITY CONTOUR Coupled evolution Piston/cylinder pair Wear process

Sealing performance and mechanical response of mud pump piston被引量：1: 《Petroleum》2023年第1期101-107,共7页Jie Zhang Wenjie Jiang Pai Zhu Ting Zheng; Luzhou City Science and Technology Planning Project(2018-GYF-6);Chengdu International Cooperation Project(2019-GH02-00072-HZ);Open Project of the Key Laboratory of the Ministry of Emergency Management of Fire Emergency Rescue Equipment(2019XFZB15).; In order to explore the effect of piston cup structure on its sealing characteristics and mechanical properties,a numerical simulation model of the piston cup in the BW-160 mud pump was established.Effects of work loa...; 关键词：Piston cup Sealing performance Mechanical property Groove structure

Quantitative Characterization of Interlayer Interference in Multi-Layered Sandstone Reservoirs Offshore China: 《Open Journal of Geology》2022年第12期1093-1101,共9页Xinwei Jin Liuhe Yang Donghao Wu Mengying Zhu Shan Gao Yong Jia; X oilfield is a typical multi-layer sandstone reservoir in offshore China. In the early stage, in order to obtain economic oil production, directional well was used to adopt a set of multi-layer combined production, w...; 关键词：Multi-Zone Sandstone Reservoir Interlayer Interference Single-Phase Unstable Seepage Two-Phase Non-Piston Displacement

An experimental study of a single-piston free piston linear generator被引量：1: 《Frontiers in Energy》2022年第6期916-930,共15页Jin XIAO Yingdong CHENG Jinlong WANG Chengwei ZHU Zhen HUANG; supported by the project of Shanghai Science and Technology Commission(No.19511108500).; Free piston linear generator(FPLG)is a promising range extender for the electrical vehicle with unparallel advantages,such as compact structure,higher system efficiency,and reduced maintenance cost.However,due to the ...; 关键词：free piston linear generator(FPLG) charged scavenging engine control MISFIRE stable operation

Influence of Piston Number on Churning Losses in Axial Piston Pumps被引量：3: 《Chinese Journal of Mechanical Engineering》2022年第5期194-207,共14页Ying Li Xing Chen Hao Luo Junhui Zhang Jin Zhang; National Natural Science Foundation of China(Grant No.52005429);Open Foundation of State Key Laboratory of Fluid Power and Mechatronic Systems of China(Grant No.GZKF-201911);National Key Research and Development Program of China(Grant No.2018YFB2000703).; Raising the rotational speed of an axial piston pump is useful for improving its power density;however,the churning losses of the piston increase significantly with increasing speed,and this reduces the performance an...; 关键词：Axial piston pumps Churning losses PISTONS CFD simulations Experimental study

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