Flow Field Analysis of Oil Way and Transient Heat Transfer Analysis of Friction Plate in Wet Multi-plate Friction Clutch 湿式摩擦离合器多场耦合动态设计方法湿式摩擦离合器油路流场及摩擦片瞬态温度场分析
As a tool cuts, high heat is developed as a result of compression and friction at the cutting edge of the tool. 当刀具进行切削时,刀具刃口处的压力和摩擦导致了高热。
Through VVVF technology and fuzzy controller, wide rotary speed range of welding tool is obtained and heat power of friction interface could be controlled easily, thus meeting the technological requirements of friction stir welding. 通过变频调速技术,采用模糊滞环转矩控制器,实现了搅拌摩擦头的大范围变速和摩擦界面加热功率的控制,从而满足了搅拌摩擦焊的技术要求。
And the friction roller is designed as a two-layer structure for heat elimination. Solving the Heating Problem of Double-drum Friction Winch Bearings 将内减速摩擦滚筒设计为双层结构,内外层筒体之间有足够的间隙,便于散热。双滚筒摩擦绞车轴承发热的解决
This paper makes use of the theory of transmission heat and finite element; establishes the differential formulae of transmission heat and finite element formulae of the friction couple plate. It also caculates the characteres of conduction heat and temperature distribution of disk in its working process. 利用传热学的及有限元的理论,建立摩擦对偶盘在工作过程中的导热微分方程及有限元计算方程,计算其工作过程中的温度分布,并在现有的实验台上通过实验加以验证。
Research status on heat dynamics of friction and wear for disc-pad braking systems 盘式制动器摩擦磨损热动力学研究进展
Application of statistical correlation coefficient to describe quantitatively the correlation between friction coefficient and surface temperature indicates that poor heat dissipation tended to increase correlation coefficient of friction coefficient and surface temperature. 利用统计学相关系数理论对摩擦系数和表层温度的相关性进行定量比较,发现不良散热条件使其相关系数显著增大;
Through the theoretic calculation and measurement, the features of conducting friction welding heat source and the characteristics of technology process of conducting friction welding are revealed. 通过理论计算和实际测试,揭示了导电摩擦焊热源的特征和导电摩擦焊工艺过程的特点。
A Study on the Heat Effect of the Friction Brake 制动器摩擦热效应分析
Test on Heat Conduction Performance of Friction Materials in Braking and Its Selection 制动摩擦材料导热性能试验及其选择
A qualitative analysis of the variation of weld surface condition, welding heat distribution and friction factor in the initial stage of friction welding of drill pipe is carried out. 对石油钻杆摩擦焊初始阶段焊接面状况、焊接热分布、摩擦系数等的变化作了定性分析。
A preliminary study on the heat decomposition temperature of the friction material 摩擦材料热分解温度初探
Heat Transfer Model of Friction Sheets during Skidding 摩擦片打滑过程中的热传导模型
Systematic research on the distributing instance of rubbing heat of a car friction plate was carried through by using the heat analysis theory and the finite element method. 运用热分析理论和有限元方法对汽车摩擦片摩擦热的分布情况进行了系统研究。
The results show that contact force between two discs along radial direction is not homogeneous, which result in non-uniform input heat flow density of the friction disk. 有限元分析结果表明,湿式多盘制动器摩擦界面上的接触压力沿摩擦盘半径方向不均匀分布,导致了输入摩擦盘的热流密度分布不均匀;
The paper makes experiments and theoretical analysis on the function of continuous brake of passenger car in running. The results show continuous brake has active effects on preventing over heat of friction braker in hillside path running and raising the car's safety in continuous downhill path. 对客车行驶时持续制动的性能进行了试验和理论分析,结果表明持续制动能在客车下坡行驶时有效防止摩擦制动器的过热,在提高汽车连续下坡的安全性方面起到积极的作用。
By means of the methods of DTA-TGA, infrared spectroscope and optical microscope, we made a series of investigations on heat effected surface layer of the friction material which was made from basic trinal formula and had undergone a friction test on the constant speed type friction tester. 本文通过差热-热失重分析、红外光谱分析和光学显微观察等手段,对经过定速式试验机摩擦试验的石棉-树脂-填料三元基础配方材料的热影响表面层进行了研究。
In this paper, the effects of porosity and resiliency on the friction characteristics and heat resistance of paper based friction materials, and the effect of groove pattern of paper friction plate on its life were studied. 本文研究了纸基摩擦材料多孔性和回弹性对摩擦特性和抗热性的影响,以及纸基摩擦盘的槽形对其使用寿命的影响。
The heat of friction increases when pressure of sealing medium and mean diameter of sealing ring as well as speed of revolution go up, thereafter the temperature of sealing surface rises. 密封介质压力、密封端面的平均直径和转速的增加都会使摩擦热增加,从而使密封端面温度升高;
Heat source behavior of conducting friction welding and its influence on technology process 导电摩擦焊热源行为及其对工艺过程的影响
The influence of flow properties on heat transfer, including the relations of friction factor and heat transfer coefficient with fin size, fin spacing and Reynolds number is analyzed. 全面分析了流动特性对换热的影响,包括阻力因子和换热系数随雷诺数、肋高比和肋距比的变化关系。
A test for temperature of heat decomposition of brake friction materials 制动器摩擦材料热分解温度的试验研究
The use of the magnetic particle clutch is limited by its heat dissipated power as a quantity of friction heat is generated when it is in the slip operating mode. 由于磁粉离合器处于滑差工作状态时,产生大量摩擦热,从而使它的应用受其散热功率的限制。
The problem of friction heat of sliding bearing was also studied by liquid friction theory and its model was established. 采用液体摩擦理论,研究了滑动轴承的摩擦产热问题,建立了滑动轴承的摩擦产热模型;
The effect of conversion of wind energy to heat energy on the theory of flow throttle and friction was analyzed and experimentally researched. 依据流体节流与摩擦学原理对风能致热效应进行了研究分析与实验。
The bearings of railway locomotive produced heat in the process of driving due to friction, it is normal that has certain temperature increasing when the state of bearing technology is good. 铁路机车在行驶过程中,机车轴承会因为机械摩擦而发热,当轴承运行状态良好时,有一定的温度升高是正常的。
Welding heat production model of the friction stir welding is established, the finite element analysis with the experimental results were compared, finally tallies well. 建立了搅拌摩擦焊焊接时的产热模型,将有限元分析结果同实验结果对比,吻合良好。
The heat of friction has an important influence on tribological behavior. 摩擦热对摩擦副材料和摩擦学行为有着重要的影响。
The calculating method of friction torque, rotating velocity of the work-piece, input energy and friction heat was proposed on the base of above friction model. 以此为基础提出了惯性摩擦焊接过程中摩擦扭矩、工件转速、焊接能量和摩擦热流的计算方法。
There are various factors in process of abrasion; heat effect is one of most important factors, the temperature variety brought by heat of friction will influence the constitutive relationship and the microstructure change of material. 磨损过程中有多种作用因素,热效应是其中非常重要的一种,摩擦热带来的温度变化会影响到材料本构关系等特性和材料微结构的变化。