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7m电机车传动机构的驱动装置选用外置悬挂结构,有利于整车的牵引能力高、安全可靠性强现场维护检修方便,是电机车结构改进设计的好途径。 相似文献
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7.63m捣固焦炉配套焦罐车是为7.63m捣固系列焦炉配套的干熄焦机械之一,是国内首台最大的捣固焦罐车,采用炉号识别、自动对位等先进技术,成功地打造了又一捣固焦炉用的环保型机械设备。 相似文献
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以某V12柴油机为例,利用随机信号与振动分析系统CRAS V4.3的模态测试分析功能对该柴油机机体进行了模态测试,得到了机体结构的前5阶固有频率及相应振型,可看出机体各部分振动的特征,据此为发动机结构改进设计提供了试验依据。 相似文献
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宫文龙 《机械工程与自动化》2018,(4)
7m顶装焦炉配套焦罐车是为7m顶装系列焦炉配套的干熄焦机械之一,主要从焦罐车的约束条件着手,进而对焦罐车细节设计乃至全局布置进行阐述,为以后7m顶装焦炉干熄焦设备的技术提供参考。 相似文献
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To simulate the electro-hydrodynamics of wire-plate corona discharge at different voltages accurately,a simulation method,which relates the definite radius and initial velocity of a jet source to the amplitude of discharge voltage,is developed.Firstly,a model of the electro-hydrodynamics is established by the Matlab software using the governing equations discretized with the finite difference method.Secondly,the electric field strength and current density are simulated and the radius and initial velocity of a jet source at different voltages are determined.Finally,the discharge electro-hydrodynamics is simulated using the determined boundary conditions.Compared with using a conventional method,using the proposed method can obtain a wind velocity with smaller errors from the experimental and theoretical wind velocities: the errors between simulated wind velocity and its theoretical counter part at 45 kV and 50 kV decrease from 9% and 6.25% to 1.7% and 1.56%,respectively.Thus,the proposed method is feasible for the existing discharge models. 相似文献
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