讨论轮轨噪声激扰之一：冲击噪声激扰。
The impact noise excitation is discussed, and the time-history inputting models for impact noise excitations are founded.
轮轨相互作用遵从赫兹非线性弹性接触理论。
The interaction between wheel and rail conforms to the Hertzian nonlinear elastic contact theory.
运用轮轨相互作用原理，研究轮轨磨耗伤损的机理。
Based on the principle of wheel-rail interaction, the mechanism of the abrasive wear damage of wheels and rails is studied.
介绍了俄罗斯重载线路轮轨外形匹配最优化的设计方法。
Described is the optimized design method for wheel-rail profile on heavy haul lines in Russia.
轨距扩大和钢轨侧翻将影响到轮轨接触点位置和动力作用。
The widening of gauge and the overturning of rail will effect the contact point and dynamic forces between wheel and rail.
利用轮轨耦合模型，计算某城市地铁列车运行时产生的轮轨力。
The wheel-rail force produced by the running of certain metro vehicle is calculated by wheel-rail coupling model.
轨道刚度变化同时影响着轮轨动荷载和轨道动态几何形位的变化。
The changing of track stiffness affects wheel-rail dynamic forces and track dynamic geometry performance simultaneously.
文摘：轨距扩大和钢轨侧翻将影响到轮轨接触点位置和动力作用。
Abstract: the widening of gauge and the overturning of rail will effect the contact point and dynamic forces between wheel and rail.
最后通过试验和计算结果的对比，对轮轨蠕滑力计算模型进行验证。
Finally, via comparison between test and the calculated results, the wheel rail creep force calculation model is verified.
如使用传统的转向架，势必加大轮轨磨耗，降低列车的运行安全性。
If the common bogie is used in tilting trains, the wear will be more serious between wheel and rail, the security of the train will be lower.
分析的重点是直线稳定性、曲线轮轨横向力和轮轨磨耗指标等参数。
The analysis has been concentrated on parameters such as stability, lateral wheel track forces in curve and wheel wear indices.
经过实验室试验和现场安装试验，证明该技术可有效降低轮轨辐射噪声。
After lab test and onset installation test, it has been proved that this technology can effectively reduce the wheel-rail radiation noise.
本文从车轮与钢轨头顶面曲率和斜度的关系对轮轨接触形状进行了研究。
In this paper, the contact profile for wheel and rail tread was researched fro the relationship for the curvature of profile and the slope.
介绍了应用CCD摄像机检测铁道车辆车轮轨道接触面的研究试验系统。
The paper describes the testing system for researching measurement of the railroad car wheel tread by means of CCD-video camera.
本文着重从轮轨粘着方面，对怎样提高重载列车牵引力问题作了综合探讨。
The problems of how to raise tractive force of heavy haul trains are comprehensively discussed, particularly from the viewpoint of wheel-rail adhesion.
针对这一问题，本文介绍了能够对轮轨接触位置等参数进行连续测量的装置。
In view of this problem, a device is developed to make the continuous measurement of such parameters as the wheel-rail contact positions.
通常以电能为动力，采取轮轨运转方式的快速大运量公共交通总称为轨道交通。
Usually, rapid public transport and large volume of traffic with electric energy power and by wheel running mode is referred to as rail traffic.
采用机械阻抗原理，给出了轮轨系统随机激振力功率谱密度函数的理论计算方法。
A theoretical method of the PSD of random excitation force in Wheec-rail system is advanced on the principle of mechanical impedance.
轨道不平顺是引起车体振动加速度、轮轨作用力和轮轨噪声增大的主要因素之一。
Track irregularity is one of the factors that make the increase of car body vibration, wheel-rail interaction force and wheel-rail noise.
将曲线通过车辆和曲线连续梁桥分为两个由非线性轮轨接触力联系的振动子系统。
Take the curve negotiating vehicle and curve continuous beam bridge as two vibration subsystems connected by nonlinear contact force between wheel and track.
轮轨之间的剧烈作用导致车轮踏面严重损伤的现象是至今没有得到根本解决的难题。
The interaction between wheel and rail results in the severe damage of the wheel tread, which is a problem that has not been resolved yet.
应用轮轨系统动力学的频域分析方法，研究了轨道刚度对轨道动力特性的影响规律。
The effects of track stiffness on track dynamic characteristics were investigated by the wheel-rail system dynamic analysis in frequency domain.
为了减少蠕滑以抑制作为噪声源的波浪磨耗的形成，最有效的办法是改善轮轨关系。
The most effective way to reduce creepage and to inhibit the formation of such noise-initiating corrugation is through improved control of wheel and rail profiles.
它不是由轮轨间的粘着力驱动，而是由安装在轨道的反应板产生的电磁推力驱动的。
It is driven not by the adhesion force from the contact between wheel and rail, but by the electromagnetic force from reaction plate which is mounted in track.
在阐述轮轨间的粘着和空转产生机理的基础上，提出了机车防空转系统的设计原则。
This paper gives the adhesive principle between wheel and rail and puts forward the design methods of a locomotive's anti slip system.
本文采用有限元方法对高速轮轨列车制动盘的瞬态温度场和热应力进行了分析研究。
In this paper, numerical analysis is carried out by the finite element method for the transient temperature fields and thermal stresses of high-speed locomotive braking discs.
综述了欧洲铁路轮轨噪声研究方法和进展，并对在我国开展轮轨噪声研究提出了建议。
Methods and advances in study of wheel rail noise in Europe railway are introduced and some Suggestions for performing study of wheel rail noise in our country are presented in this paper.
轮对减振可以通过调整轮对刚度分配，充分利用导纳的相位，改变轮轨接触特性等实现。
Reducing wheel vibrations can be accomplished by adjusting the wheelset stiffness distribution, making full use of the admittance phase, and modifying the wheel rail contact characteristics.
文中建立了轮轨蠕滑力、自由轮对和两轴车的键图模型，并给出了部分数值计算的结果。
The bond graph models of wheel-rail creep forces, of free wheel set, and of two-axle vehicle are developed with associated numerical calculations.
文中建立了轮轨蠕滑力、自由轮对和两轴车的键图模型，并给出了部分数值计算的结果。
The bond graph models of wheel-rail creep forces, of free wheel set, and of two-axle vehicle are developed with associated numerical calculations.
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