|
|||||
|
|
| 淡水冰与不同材料间动摩擦因数的试验 | |
| 引用本文： | 秦绪祥,姜连杰,周庆,贾青,韩红卫,李志军.淡水冰与不同材料间动摩擦因数的试验[J].水利水电科技进展,2012,32(6):79-83. |
| 作者姓名： | 秦绪祥 姜连杰 周庆 贾青 韩红卫 李志军 |
| 作者单位： | 1. 大连理工大学海岸和近海工程国家重点实验室,辽宁大连,116024 2. 黑龙江省引嫩工程管理处,黑龙江安达,151400 3. 黑龙江大学水利电力学院,黑龙江哈尔滨,150086 |
| 基金项目： | 国家自然科学基金，大连理工大学海岸和近海工程国家重点实验室开放基金，黑龙江省水利厅科研开发项目 |
| 摘 要： | 为研究淡水冰的动摩擦规律,通过不同材料的滑道对淡水冰与多种材料间的动摩擦因数进行了试验研究,分析了温度、正压力和滑动速度的改变对动摩擦因数的影响。试验结果表明:各因素对动摩擦因数的影响取决于接触材料的表面粗糙程度,不同的接触面其摩擦作用的机理不同,接触面较粗糙时,摩擦力取决于软接触材料的抗剪强度;接触面较光滑时,接触界面的水膜对动摩擦因数的增大起主导作用。冰与不同材料间的动摩擦因数的大小顺序为木板、混凝土、冰。 |
| 关 键 词： | 淡水冰 抗剪强度 水膜 动摩擦因数 接触面 |
| 修稿时间： | 2012/12/17 0:00:00 |
Experimental study on dynamic friction coefficient between freshwater ice and various materials |
|
| QIN Xuxiang , JIANG Lianjie , ZHOU Qing , JIA Qing , HAN Hongwei , LI Zhijun.Experimental study on dynamic friction coefficient between freshwater ice and various materials[J].Advances in Science and Technology of Water Resources,2012,32(6):79-83. | |
| Authors: | QIN Xuxiang JIANG Lianjie ZHOU Qing JIA Qing HAN Hongwei LI Zhijun |
| Abstract: | Based on tests carried out on sideways made of various materials,dynamic friction coefficients between freshwater ice and various materials were studied.The influences of temperature,positive pressure,and sliding velocity on the dynamic friction coefficient were analyzed.The test results show that the influences of temperature,positive pressure,and sliding velocity were mainly determined by the surface roughness of materials.Different contact areas have different friction mechanisms.For a rough touch area,friction is determined by the shear strength of soft material.The water film of the contact area plays a leading role in increasing the dynamic friction coefficient.The dynamic friction coefficient between freshwater ice and various materials followed the following order: plank,concrete,ice. |
| Keywords: | freshwater ice shear strength water film dynamic friction coefficient contact area |
| 本文献已被 万方数据 等数据库收录！ | |
| 点击此处可从《水利水电科技进展》浏览原始摘要信息 | |
| 点击此处可从《水利水电科技进展》下载全文 | |