Mainly discussed are the requirements and definitions of the track twisting conditions in testing and checking of the derailment coefficient and wheel load reduction rate,specified in China national standard GB/T 5599—1985,British railway technical standard GM/RT 2141—2000 and European standard prEN 14363(E)—2000.
重点讨论了我国国家标准GB/T 5599-1985、英国铁路技术标准GM/RT 2141-2000和欧洲标准prEN14363(E)-2000中在试验校核脱轨系数和轮重减载率时对线路扭曲条件的要求和定义。
In the course of simutation of locomotive curvce passing,we have found that while all the index such as derailment coefficient,directive force and yaw angles meet criterion,the wheel unloading rate does not meet standard.
在对2C_0轴式机车进行曲线通过仿真计算中,经常发现在其他指标如脱轨系数、导向力和摇头角都符合标准时,轮重减载率的值却常常会超出标准。
The time-history curve of wheel-rail interaction force, the derailment coefficient and the rate of wheel load reduction of the vehicle on bridge are given.
提速线路轻型墩桥梁横向振幅过大严重影响过往列车的安全,通过对轻型墩铁路桥的现场振动测试,得到了桥墩的横向振动特性,给出了列车过桥时轮轨作用力的典型时程曲线和列车的脱轨系数及轮重减载率,为进一步研究轻型桥墩的横向振动机理提供了实测数据。
A field vibration test was conducted for Yinzhengou Bridge on JingTong Railway Line,resulting in the lateral vibration characteristics of the bridge,and a typical time-history curve of the wheel-rail action force,derailment coefficient of trains,and the rate of wheel load reduction,providing measured data for further study on the lateral vibration of rectangular-shaped bridge piers.
通过对京通线银镇沟桥的现场振动测试 ,得到该桥的横向振动特性 ,给出桥上列车轮轨作用力的典型时程曲线和列车的脱轨系数及轮重减载率 ,为进一步研究矩形桥墩的横向振动提供实测数据。
Study of curving performance of high power heavy haul locomotive with Co-Co axle arrangement
六轴大功率重载机车曲线通过问题研究
Heavy-load electric locomotives technical design and development
大功率重载电力机车的设计及技术发展
Improved Repetitive Control Scheme for Power Electronic Load
采用改进重复控制的大功率电力电子负载
The power of the modulated carrier wave is increased by the RF power amplifier.
射频功率放大器增加了调变载波的功率。
The Design and Research of Wind Power Fire Fighting Machine on Fire Engine
机载式大功率风力灭火机的设计研究
The optimal load concerning the power amplifier and the transducer
换能器与功率放大器的最佳负载讨论
Research of Doherty Power Amplifier with a Modified Load Network
一种改进Doherty功率放大器负载网络研究
High Power Low Inductance Dummy Load Made of Metal Film Resistors
基于金属膜电阻的大功率低电感负载
The maximum average power is 444 mW with an efficiency of 0.05% at the pulse repetition frequency of 18.2 KHz.
在重复率18.2千周时最大平均功率444毫瓦,效率0.05%。
Design and Control of Fast Load Dynamic Response for High Power Adapter
大功率适配器的快速负载动态响应控制与设计
Before the main source is turned on, the Load Button for the power amplifier must be set “OFF”.
在主电源打开前,功率放大器负载按钮必须为“关”。
Effect of Harmonic Loading on Power Amplifier Performance
谐波负载阻抗对功率放大器性能的影响
Study on High-power On-board DC/DC Converter for Fuel Cell Electric Vehicles;
燃料电池电动汽车车载大功率DC/DC研究
Design and Improvement on the Grid Connection Converter of Power Electronic Load
大功率电力电子负载并网变换器的设计与改进
Application and Analysis of the Machine Arm of Vehicle-mounted Powerful Pneumatic Extinguishers
机载式大功率风力灭火机机械臂的应用及分析
Analysis and Calculation of Efficiency and Load Maximum Power of Resistive Class A Amplifiers;
电阻性甲类放大器效率和负载最大功率的分析计算
carrier power output rating
载波功率输出额定值
x ray output at full ratings
x射线满负载输出功率