| 道路融雪化冰过程冰层的热融特性 |
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| 引用本文： | 黄勇,高青,马纯强,张磊,玄哲浩. 道路融雪化冰过程冰层的热融特性[J]. 吉林大学学报(工学版), 2010, 40(2): 391-0396 |
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| 作者姓名： | 黄勇 高青 马纯强 张磊 玄哲浩 |
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| 作者单位： | 1. 吉林大学,汽车动态模拟国家重点实验室,长春,130022;吉林大学热能工程系,长春,130022
2. 吉林大学热能工程系,长春,130022 |
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| 基金项目： | 国家自然科学基金项目（50776039） |
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| 摘 要： | 通过模拟道路冰层热融过程,实验研究了热负荷、冰层厚度等对寒冷环境下冰层融化的传热规律、温度变化、融冰率和冰融水流变性的影响作用。通过研究融冰率、道路构造层和冰层温度时变规律,探索了热融冰特征。研究表明,冰层热融过程中,融冰率变化经历未融、融化加速和融化减缓3个阶段,每个阶段受热负荷作用影响明显,若采用变负荷加热,可更有利于融冰过程能量利用的综合效果。冰层厚度对路基层温度影响较大,冰层越厚,路基层温度越低。通过提高热负荷,可提升路基层温度,保证道路温度。此外,冰融水流动和移动将产生一定的路基层和路面层温度波动。
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| 关 键 词： | 热能工程 地热利用 道路融冰 热融特性 温变规律 |
| 收稿时间： | 2008-10-23 |
Heat melting characteristic of ice layer in ice-snow melting process on road pavement |
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| HUANG Yong,,GAO Qing,MA Chun-qiang,ZHANG Lei,XUAN Zhe-hao. Heat melting characteristic of ice layer in ice-snow melting process on road pavement[J]. Journal of Jilin University:Eng and Technol Ed, 2010, 40(2): 391-0396 |
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| Authors: | HUANG Yong GAO Qing MA Chun-qiang ZHANG Lei XUAN Zhe-hao |
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| Affiliation: | 1.State Key Laboratory of Automobile Dynamic Simulation, Jilin University, Changchun 130022,China;2.Department of Thermal Energy Engineering, Jilin University, Changchun 130022, China |
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| Abstract: | The heat transfer,the temperature change,the ice melting rate,the rheology of melted slurry water,as well as the effects of the heat load and the ice layer thickness in cold environment were investigated using the controllable carbon fiber to heat a slab to simulate the road pavement and melt the ice on it.The heat melting characteristics of the ice layer were studied through measuring the ice melting rate,the temperature histories of the slab layer and the ice layer.It was found that in the heat melting pr... |
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| Keywords: | thermal energy engineering underground heat utilization road pavement ice-snow melting heat melting characteristic temperature change law |
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