rail相关论文
A review of hydrogen technologies and engineering solutions for railway vehicle design and operation
Interest in hydrogen-powered rail vehicles has gradually increased worldwide over recent decades due to the global press......
According to the outline requirements of new curriculum， It is very crucial and necessary for the Junior high School Stud......
China has a vast land area and frequent interconnections between various regions.China\s transportation industry is fac......
ComplexTrans-Global Rail-Road Transportation System Economical and Clustered Individual and Individu
Land transport can no longer meet the requirements.European transport can be described by these words−crowded motorways......
钢轨非对称打磨是优化车辆曲线通过性能、减缓钢轨病害的有效手段之一,设计合理的钢轨型面是实现这一技术的基础.从经典的轮轨接触......
The effects of structure elastic deformations of wheelset and track on creep forces of wheel and rail are investigated.F......
为满足用户在降低造价、确保可靠性并使定购的新车辆能迅速投入运营等方面的要求,像其他制造商一样,Siemens公司通过试验开发出新......
Nowadays, the sleeper, railroad bed, welding technology and materials of the high-speed & heavy-load Continuous Welded R......
WARRIOR DB适合勇于挑战的,充满运动活力的中青年一族。它的双桥设计有利于减低拍框及拍线的回震。T-RAIL功能令拍框更加坚固。强......
Transformation Characteristics and Microstructure of Rail under Low Stress during Continuous Cooling
To obtain a better understanding the thermal stress of a rail, the thermal simulator was used to measure the expansion c......
Frost susceptibility of soils——A confusing concept that can misguide geotechnical design in cold reg
Frost susceptibility is a concept widely used in cold region geotechnical design, to quantify the capacity of a soil in ......
1.CUT HERE沿此处剪开2.DO NOT BLOCK请勿堵塞3.DO NOT LITTER请勿乱丢垃圾4.DO NOT PROCEED BE-YOND RAIL请勿跨越栏杆5.DO NOT S......
Analyses on the Types,Distributions and Characteristics of Vegetation and Soil along Qinghai-Tibet R
[Objective]The research aimed to study the types,distributions and characteristics of vegetation and soil along Qinghai-......
在与Mac World并称为全球IT届两大顶级盛会的VMworld 2014大会上,V Mware正式宣布推出最新超融合型基础架构VMware EVO,并公布了首......
APPLICATION OF CIRCUIT SIMULATION IN HARDWARE DESIGN FOR ELECTRONIC CONTROL HIGH PRESSURE COMMON-RAI
By means of circuit simulation,hardware of electronic control unit (ECU) of high pressure common-rail electronic control......
A direct injection low compression ratios diesel rotary engine is designed and studied to find the appropriate applicati......
The elastic-plastic contact problem with rolling friction of wheel-rail is solved using the FE parametric quadratic prog......
Based on the assumption that a representative element of a pearlitic steel is an aggregate ofnumerous spherical pearlit......
Using the finite element code ANSYS/LS-DYNA, a dynamic finite element model with anelastic-linear-kinematic-hardening p......
AN INTEGRATED COUPLING ELEMENT FOR VEHICLE-RAIL-BRIDGE INTERACTION SYSTEM WITH A NON-UNIFORM CONTINU
An integrated coupling element considering wheel-rail interface for analyzing the dynamic responses of vehicle-rail-brid......
江淮瑞风车自动变速器控制电路如图10～图13所示;C/RAIL车型空调控制电路如图14～图15所示;MPI车型空调控制电路如图16～图18所示。
JRC......
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The Influence of the Straightening Velocity on the Evolution of Heavy Rail Roller Straightening Stre
It has established the FEM model of nine roller horizontal straightening for 60 kg / m heavy rail,and simulated the stra......
The Analysis of Angle Resolution of Stress Vector Sensor Based on Optical Fiber Sensing Cable for Hi
With the development of high speed railway traffic,the structure health monitoring for high-speed rail is necessary due ......
To study the microstructural evolution of pearlite steel subjected to pure rolling and rolling-sliding contact loading,a......
针对GDI发动机共轨系统的轨压控制要求,设计了基于模型的轨压控制器。首先推导了GDI发动机燃油喷射系统的非线性模型,并对模型进行......
通过采用ANSYS FLOTRAN流体软件模拟钢轨喷风冷却热处理过程中流场的速度分布,以及钢轨热处理实验,分析了喷嘴与钢轨之间的距离对......
电磁轨道炮发射过程中,轨道在电枢的超高速摩擦磨损作用下,会出现局部材料剥落,在接触面形成刨坑,影响轨道炮寿命和系统效率.通过......
在钢轨气压焊加热过程中,由于存在火焰干扰,实时检测焊接温度十分困难,无法实现焊接温度和质量的自适应控制。本文利用新型数控气......
为得到钢轨万能轧制过程轨头和轨底的精确宽展,以轨头和轨底宽展为待定参数,在坯料断面尺寸、设备参数、轧制工艺参数已知的基础上......
On-line rail milling technologies have been applied in rail maintenance, and are proving to be efficient and environment......
通过对重载铁路钢轨伤损的现场调查分析,确定出钢轨伤损的主要类型和规律,在此基础上提出了预防对策措施并进行了试验验证.结果表......
目前,可靠性维修(RCM)已在许多行业中被采用,国际电工委员会对RCM有明确的描述,其他采用RCM的行业,在形式和标准化的版本方面与之......
采用小比例轮轮滚动接触疲劳试验再现钢轨裂纹萌生和磨耗过程,根据钢轨裂纹萌生和磨耗共存预测方法结合试验条件建立相应的预测模......
This paper provides an overview of current seismic ground motion criteria for transportation infrastructures in USA.This......
Broken gap is an extremely dangerous state in the service of high-speed rails,and the violent wheel–rail impact forces ......
为解决高速铁路小半径钢轨磨耗问题,以高速动车组和小半径曲线钢轨为研究对象,基于Simpack建立高速动车组模型和编制轮轨磨耗程序,......
为分析钢轨底部动力吸振器对钢轨振动特性和声辐射特性的影响,建立钢轨振动-声辐射模型.首先,根据铁路板式轨道实际拓扑结构建立三......
At present,after the actual inspection of the rail transit automatic ticket checking system,some security vulnerabilitie......
道岔钢轨件采用的先喷风后喷雾的热处理方式、操作员手动变速进行全长热处理的方式严重影响道岔钢轨件的热处理质量。本文对目前道......
As a development direction of urban rail transit system,the train autonomous circumambulate system(TACS)can operate in a......
按照"时速200 km客运专线60 kg*m-1钢轨暂行技术条件"的要求, UIC900A、攀钢PD3及鞍钢PD3的钢轨材质性能进行对比研究. 结果表明,......
钢轨喷风淬火工艺采用单一的冷却介质压缩空气,使淬火冷却均匀性得到提高,而且不受钢轨表面状态对淬火质量的影响,便于生产管理.由......
根据钢轨铝热焊接原理，研制铁科院ZTK-I型60kg·m^-1钢轨铝热焊接材料。焊剂的化学成分以碳、硅、锰元素为主要元素，用其他微量......
在不改变现有钢轨焊接工艺的条件下，研究采用非接触式测量方法的钢轨几何参数在线自动测量系统。该系统主要由传感器集成控制单元、......
对27t轴重重载铁路钢轨伤损类型及发展规律进行统计,分别研究直线和曲线区段钢轨寿命关键控制因素,开展钢轨适用性设计及分析。结......
在某重载铁路铺设不同轨型、不同廓形、不同材质计8种组合的钢轨,通过实测和仿真,从轮轨接触几何关系、轨道结构动力学、货车动力......
目的研究路轨跳线的连接问题.方法采用爆炸焊接法进行路轨跳线的连接.结果试验结果表明,采用高爆速炸药进行爆炸焊接质量是可靠的.......
经济发展使寒冷地区铁路建设大规模开展,而钢轨长期低温服役,力学性能会受到影响.钢轨铝热焊缝接头同钢轨钢材一样,在低温下其冲击......
系统分析电解多功能联合机组行走轨道失效的原因,分析比较改造技术方案,介绍改造所取得的经验.......
