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内燃机富氧节能的研究──富氧空气的获取

西南交通大学学报 1995年第3期30卷 312-316页

作者：周斌西南交通大学机械工程学院

本文对内燃机在常温、常压下利用高梯度强磁场获取富氧空气的可行性及影响因素进行了理论分析和实验研究，结论是肯定的。为内燃机的节能降污寻找出一条简便、有效的途径。

关键词：内燃机节能富氧空气富氧节能

Research on RosettaNet Standards for Information Sharing of Heterogeneous Systems based on E-HUB

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Research on RosettaNet Standards for Information Sharing of ...

2007北京地区高校研究生学术交流会通信与信息技术会议

作者： zhou Guixian~1 Xie Qingsheng~2 1 school of mechanical Engineer..southwest jiaotong university,Sichuan,chengdu,610031,china 2 Guizhou university,Modern Manufacturing Technology Key Laboratory,Guiyang,550003,china

The paper study the theoretics and methods about the E-HUB *** analyzing the issues of standardization and existing standards for heterogeneous information sharing,such as *** paper provides researching results of standardization related to the heterogeneous system and critical technology base on E-HUB platform to implement the solution.

关键词： RosettaNet Heterogeneous Information E-HUB platform

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微动接触应力的数值分析

四川大学学报（工程科学版） 2003年第5期35卷 32-36页

作者：赵华金雪岩朱民昊周仲荣西南交通大学应用力学与工程系四川成都610031 西南交通大学机械工程学院四川成都610031

采用有限元方法,分析了半圆柱与平板间径向微动接触区和切向微动接触区内的应力分布。由ES52100钢制成的半圆柱体具有稳定的变形特征,但由1020钢或纯铁制成的平板则常常处于可变的变形状态,通过往复压缩实验发现,1020钢具有明显的循环... 详细信息

采用有限元方法,分析了半圆柱与平板间径向微动接触区和切向微动接触区内的应力分布。由ES52100钢制成的半圆柱体具有稳定的变形特征,但由1020钢或纯铁制成的平板则常常处于可变的变形状态,通过往复压缩实验发现,1020钢具有明显的循环软化特征,从而将增大摩擦阻力;而纯铁具有明显的循环硬化特征。进一步发展虚拟接触载荷法,以动态变化的摩擦系数模拟真实的微动接触过程。在靠近微动接触区的边缘处,存在一个不稳定的接触区,其内部有剧烈的应力振荡,该区域是一个混合粘着—滑动区,并随微动时间的增长而逐步扩展,最后引发微动磨损或微动疲劳。

关键词：微动接触循环变形摩擦系数有限元方法

Selection of Negative Charged Acidic Polar Additives to Regulate Electric Double Layer for Stable Zinc Ion Battery

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Nano-Micro Letters 2024年第12期16卷 342-356页

作者： Xing Fan Lina Chen Yongjing Wang Xieyu Xu Xingxing Jiao Peng zhou Yangyang Liu Zhongxiao Song Jiang zhou State Key Laboratory for mechanical Behavior of Materials Xi’an Jiaotong UniversityXi’an 710049People’s Republic of China school of Materials Science and engineering Harbin Institute of Technology(Shenzhen)Shenzhen 518055People’s Republic of China Research Institute of Frontier Science Southwest Jiaotong UniversityChengdu 610031People’s Republic of China Hunan Provincial Key Defense Laboratory of High Temperature Wear-Resisting Materials and Preparation Technology Hunan University of Science and TechnologyXiangtan 411201People’s Republic of China school of Instrument Science and Technology Xi’an Jiaotong UniversityXi’an 710049People’s Republic of China school of Materials Science and engineering Hunan Provincial Key Laboratory of Electronic Packaging and Advanced Functional MaterialsCentral South UniversityChangsha 410083People’s Republic of China

Zinc-ion batteries are promising for large-scale electrochemical energy storage systems,which still suffer from interfacial issues,e.g.,hydrogen evolution side reaction(HER),self-corrosion,and uncontrollable dendritic Zn *** the regulation of electric double layer(EDL)has been verified for interfacial issues,the principle to select the additive as the regulator is still ***,several typical amino acids with different characteristics were examined to reveal the interfacial behaviors in regulated EDL on the Zn *** charged acidic polarity(NCAP)has been unveiled as the guideline for selecting additive to reconstruct EDL with an inner zincophilic H_(2)O-poor layer and to replace H_(2)O molecules of hydrated Zn^(2+)with NCAP *** the synergistic effects of EDL regulation,the uncontrollable interface is significantly stabilized from the suppressed HER and anti-self-corrosion with uniform ***,by adding NCAP glutamate,a high average Coulombic efficiency of 99.83%of Zn metal is achieved in Zn|Cu asymmetrical cell for over 2000 cycles,and NH4V4O10|Zn full cell exhibits a high-capacity retention of 82.1%after 3000 cycles at 2 A g^(-1).Recapitulating,the NCAP principle posted here can quicken the design of trailblazing electrolyte additives for aqueous Zn-based electrochemical energy storage systems.

关键词： Aqueous Zn-ion batteries Zn metal anode Negative charged acidic polar additives Electric double-layer regulation

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柴油机稳态工况废气排放特性的试验研究

西南交通大学学报 2002年第4期37卷 421-424页

作者：周斌李玉梅王国权西南交通大学机械工程学院四川成都610031

柴油机在不同运转工况下其排气污染物的排放量是不同的。为了从根本上限制柴油机的排放 ,必须了解柴油机的排放特性 ,以 6 135ZG柴油机为例 ,对柴油机稳态工况污染物排放特性进行了试验研究 ,由此给出了该机的负荷排放特性、等排放曲线以及

关键词：柴油机稳态工况废气排放试验研究排放量排放特征排放分布

Bioinspired directional structures for inhibiting wetting on super-melt-philic surfaces above 1200°C

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International Journal of Extreme Manufacturing 2024年第4期6卷 337-346页

作者： Hujun Wang Xiuyuan Zhao Zhengcan Xie Biao Yang Jing Zheng Kai Yin Zhongrong zhou Tribology Research Institute State Key Laboratory of Rail Transit Vehicle SystemSchool of Mechanical EngineeringSouthwest Jiaotong UniversityChengdu 610031People's Republic of China Hunan Key Laboratory of Nanophotonics and Devices School of PhysicsCentral South UniversityChangsha 410083People's Republic of China

Over the past two decades,superhydrophobic surfaces that are easily created have aroused considerable attention for their superior performances in various applications at room ***,there is a growing demand in special fields for the development of surfaces that can resist wetting by high-temperature molten droplets(>1200°C)using facile design and fabrication ***,bioinspired directional structures(BDSs)were prepared on Y2O3-stabilized ZrO2(YSZ)surfaces using femtosecond laser *** from the anisotropic energy barriers,the BDSs featured with no additional modifiers showed a remarkable increase from 9.2°to 60°in the contact angle of CaO–MgO–Al2O3–SiO2(CMAS)melt and a 70.1%reduction in the spreading area of CMAS at 1250°C,compared with polished super-CMAS-melt-philic YSZ ***,the BDSs demonstrated exceptional wetting inhibition even at 1400°C,with an increase from 3.3°to 31.3°in contact angle and a 67.9%decrease in spreading *** work provides valuable insight and a facile preparation strategy for effectively inhibiting the wetting of molten droplets on super-melt-philic surfaces at extremely high temperatures.

关键词： directional structures bioinspired design inhibiting wetting super-melt-philic superhydrophobic

Enamel matrix proteins in promoting saliva lubrication

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Friction 2024年第10期12卷 2298-2312页

作者： Hujun WANG Yue TANG Haonan QIU Jingyang HU Yuan SU Jing ZHENG Zhongrong zhou Tribology Research Institute School of Mechanical Engineering and Key Laboratory of Advanced Technologies of Materials(Ministry of Education)Southwest Jiaotong UniversityChengdu 610031China

Anti-wear performance of human enamel in the mouth is closely related to the lubrication of salivary *** is well known that the inorganic hydroxyapatite(HA)of the enamel plays an important role in the adsorption and pellicle-forming of salivary proteins on the enamel,but the role of enamel matrix proteins remains *** this study,the adsorption and lubrication behavior of salivary proteins on original,heated,and deproteinated enamel surfaces was comparatively investigated using an atomic force microscopy and nano-indentation/scratch *** with that on the original enamel surface,the adsorption and lubrication behavior of salivary proteins remains almost unchanged on the heated enamel surface(where the enamel matrix proteins are denatured but the size of HA crystalline nanoparticles keeps constant)but exhibits an obvious compromise on the deproteinated enamel surface(where the enamel matrix proteins are removed and agglomeration of HA crystallites occurs).The HA agglomeration weakens the electrostatic interaction of enamel surfaces with salivary proteins to cause a distinct negative influence on the adsorption and pellicle-forming of salivary ***,the negative effect is confirmed with a quartz crystal microbalance with *** summary,by regulating enamel nanostructure for appropriate electrostatic interactions between salivary proteins and enamel surfaces,the enamel matrix proteins play an essential role in the adsorption and pellicle-forming of salivary proteins on human enamel,and then contribute to saliva lubrication,which provides the enamel with an anti-wear *** findings will promote and assist the design of enamel-inspired anti-wear materials.

关键词： enamel matrix proteins hydroxyapatite(HA)crystalline nanoparticles salivary proteins adsorption lubrication

The effect of friction block hole configurations on the brake tribological performance of high-speed trains

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Friction 2024年第10期12卷 2241-2258页

作者： Yuanke WU Wei CHEN Youguang ZHU Zaiyu XIANG Honghua QIAN Jiliang MO Zhongrong zhou Tribology Research Institute School of Mechanical EngineeringSouthwest Jiaotong UniversityChengdu 610031China china Railway engineering Equipment Group Co. Ltd.Zhengzhou 450016China

Three triangular friction block configurations are commonly employed in high-speed train brake systems,namely,unperforated,perforated configuration with one circular hole,and perforated with three circular *** this study,we adopted these friction block types to investigate the effect of perforated friction block configurations on the brake performance of high-speed trains based on a self-developed brake test *** results indicate the significant impact of the number of the holes on the wear behavior,temperature distribution,and vibration characteristics of the brake *** friction surface of the unperforated block is covered by wear debris,while the perforated blocks produce less wear ***,the one-hole block exhibits a more uniform temperature distribution and better vibration behavior than that with three *** friction brake is a dynamic process,during which separation and attachment between the pad and disc alternatively occur,and the perforated structure on the friction block can both trap and expel the wear debris.

关键词： high-speed train block brake performance wear debris flow

A portable,auxiliary photovoltaic power system for electric vehicles based on a foldable scissors mechanism

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Energy and Built Environment 2024年第1期5卷 81-96页

作者： zhou Jin Dongyang Li Daning Hao Zutao Zhang Liang Guo Xiaoping Wu Yanping Yuan china Railway Wuhan Electrification Bureau Group Shanghai Electric Co. LtdShanghai 201799PR China school of mechanical engineering Southwest Jiaotong UniversityChengdu 610031PR China

In recent years,countries worldwide have actively advocated electric vehicles for environmental ***-ever,restrictions on the driving range and charging have hampered the promotion of electric *** study proposes a portable,auxiliary photovoltaic power system based on a foldable scissors mechanism for electric *** system includes a photovoltaic power generation module and an electricity transfer *** photovoltaic power generation module built based on a foldable scissors mechanism is five times smaller than in its unfolded state,improving its portability in its folded *** electricity transfer module transfers electricity into the cabin via wireless power transfer units and stores electricity in *** simulation exper-iments were conducted to evaluate the system’s performance:maximum output power of 1.736 W is measured when the load is 5Ω,while maximum wireless power transfer efficiency is up to 57.7% with 10Ω *** elec-tric vehicle in chengdu city was simulated for a case *** results show that the annual output of a single photovoltaic power system can drive the MINIEV for 423.625 km,indicating that the proposed system would be able to supply power for electric vehicles as an auxiliary power supply system.

关键词： Auxiliary photovoltaic power system Energy harvesting Scissors mechanism Solar collector Electric vehicle