| 1. | It has self - friction heating and electric heating modes and many others 备有自摩擦和电加热等多种加热方式。 |
| 2. | Feasibility analysis on usage of friction heat to transport crude oil in buried hot oil pipeline 埋地热油管道利用摩擦热进行原油输送的可行性分析 |
| 3. | The results show that ignoring change of friction heat flow intensity will bring large deviation to temperature field simulation 结果表明:如果忽略制动过程中摩擦热流强度的变化,会给温度场模拟带来较大的偏差。 |
| 4. | A piece of rough paper is stuck on the side of the box , and when a match is rubbed against it , friction heats the head of the match , making it burst into flame 在火柴盒的边上贴上张糙纸,当火柴与其相擦时,摩擦使火柴的头发热,使其燃烧起来。 |
| 5. | The friction heat in spindle bearings has obvious influences on the speed and dynamics , and is an important reason to limit machining tools for higher speed and precision 主轴轴承的摩擦热显著影响主轴单元的速度和动力学性能,是制约提高加工效率和精度的主要因素。 |
| 6. | The major conclusions of this thesis are listed as follows : ( 1 ) the influence of sliding velocity on polymers " tribological behaviors concerns mainly with the effect of friction heat 获得了以下主要结论: ( 1 )滑动速度对聚合物材料摩擦磨损性能的影响主要与摩擦界面的热效应有关。 |
| 7. | In theory and practice , it is important to build up the heat transfer equations , compute the friction heat and temperature and determine the influences on the speed and dynamics 建立热传递方程,计算轴承的摩擦热和温度分布,研究轴承的热特性,及其对速度和动力学性能的影响是一个具有理论和实际意义的重要课题。 |
| 8. | In chapter 3 , it systematically analyzes the bi - dimensioned instantaneous temperature range state of piston , cylinder liner and piston rings when diesel engine type 4135 is considered under the normal friction heat 第3章系统地分析了4135柴油机在考虑摩擦热的正常工况下活塞、缸套和活塞环各部分二维瞬态温度的分布和状态。 |
| 9. | On the basis of the constitution and work principle of general drum brake and the heat transfer theory , the friction heat , the heat convection and the radiation recuperation of drum brake are analyzed detailed , and then the mathematics model of temperature rise calculation is built 在对目前常用的鼓式制动器结构和工作原理进行分析的基础上,结合传热学的理论知识,详细研究了鼓式制动器的摩擦生热过程、辐射换热过程和对流换热过程,建立了其温升计算的数学模型。 |
| 10. | On the basic theory of transfer heat , tribology of rolling bearings and rotor dynamics , taking gdz48a electrospindle as an example , the paper puts forward the spindle bearing ' s quasi - dynamics analysis model with the influences of the friction heat and preloadings analyzes the friction moment , velocities , contact loads , friction heat and stiffness and studies the influences of the friction heat , structure and application parameters on the speed and dynamics 本文以传热学、滚动轴承摩擦学和转子动力学为理论基础,以gdz48a型电主轴为例,建立了考虑摩擦热和预紧方式影响的主轴轴承拟动力学分析模型,分析了轴承的摩擦力矩、运动、载荷和刚度,研究了轴承的热特性、设计和应用参数对速度和动力学性能的影响,并进行了试验验证。 |