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基于傅立叶导热定律的沥青混合料热传导试验

延西利,  李绪梅,  孙毅,  徐达

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文章导航 > 交通运输工程学报  > 2013 >  13(6): 1-6
延西利, 李绪梅, 孙毅, 徐达. 基于傅立叶导热定律的沥青混合料热传导试验[J]. 交通运输工程学报, 2013, 13(6): 1-6.
引用本文: 延西利, 李绪梅, 孙毅, 徐达. 基于傅立叶导热定律的沥青混合料热传导试验[J]. 交通运输工程学报, 2013, 13(6): 1-6.
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YAN Xi-li, LI Xu-mei, SUN Yi, XU Da. Heat conduction experiment of asphalt mixture based on Fourier's heat conduction law[J]. Journal of Traffic and Transportation Engineering, 2013, 13(6): 1-6.
Citation: YAN Xi-li, LI Xu-mei, SUN Yi, XU Da. Heat conduction experiment of asphalt mixture based on Fourier's heat conduction law[J]. Journal of Traffic and Transportation Engineering, 2013, 13(6): 1-6.
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基于傅立叶导热定律的沥青混合料热传导试验

  • 1.

    长安大学 公路学院，陕西 西安 710064

  • 2.

    新疆交通职业技术学院 道路桥梁工程学院，新疆 乌鲁木齐 831401

  • 3.

    四川广巴高速公路有限责任公司，四川 成都 610041

基金项目: 

四川省交通科技项目 2010.2.23

陕西省交通科技项目 12-03K

中央高校基本科研业务费专项资金项目 CHD2011ZD013

详细信息
    作者简介:

    延西利(1963-), 男, 陕西绥德人, 长安大学教授, 工学博士, 从事路面工程与材料流变学研究

  • 中图分类号: U414.75

Heat conduction experiment of asphalt mixture based on Fourier's heat conduction law

  • 1.

    School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China

  • 2.

    School of Road and Bridge Engineering, Xinjiang Vocational and Technical College of Communications, Urumqi 831401, Xinjiang, China

  • 3.

    Sichuan Guangba Motorway Company, Chengdu 610041, Sichuan, China

More Information

    摘要
  • 摘要: 以傅立叶导热定律为基本理论, 依据一维稳态导热原理, 自行开发了一套双试件平板式热传导试验装置, 对3种不同类型的沥青混合料进行了热传导试验, 测试了不同试验温度下沥青混合料的导热系数, 分析了热传导性能。试验结果表明: 沥青混合料的导热系数是一个温变值, 随温度的升高而呈线性增加; 在相同温度条件下, 不同类型沥青混合料的导热系数值相差较小; 开发的热传导试验装置稳定可靠, 操作简便。

     

    Abstract: Based on Fourier's heat conduction law and applying the principle of 1-D stable heat conduction, an experimental device in the form of double plane samples for heat conduction was self-developed, and the heat conduction experiments of 3 kinds of asphalt mixtures were done. The heat conductivities of asphalt mixtures at different temperatures were measured, and the heat conductibilities were studied. Experiment result shows that the heat conductivity of asphalt mixture changes with temperature, and increases linearly with the increase of temperature. There is not a great difference among the heat conductivity values of different asphalt mixtures at the same temperature, and the experimental device is stable and easy to handle.

     

    • HTML全文

  • 图  1  一维稳态热传导试验原理

    Figure  1.  Experiment principle of 1-D stable heat conduction

    下载: 全尺寸图片 幻灯片

    图  2  试验装置设计

    Figure  2.  Design of experimental device

    下载: 全尺寸图片 幻灯片

    图  3  试验装置

    Figure  3.  Experimental device

    下载: 全尺寸图片 幻灯片

    图  4  温度传感器布置

    Figure  4.  Arrangement of temperature sensors

    下载: 全尺寸图片 幻灯片

    图  5  稳态热传导的判定

    Figure  5.  Identification of stable heat conduction

    下载: 全尺寸图片 幻灯片

    图  6  导热系数与温度的关系

    Figure  6.  Relations between heat conductivity and test temperature

    下载: 全尺寸图片 幻灯片

    表  1  沥青混合料

    Table  1.   Asphalt mixtures
    下载: 导出CSV

    表  2  试验加热控温条件

    Table  2.   Heating condition of experiment
    下载: 导出CSV

    表  3  单位时间内稳态热传导的热量

    Table  3.   Heat conduction quantity per hour in stable state
    下载: 导出CSV

    表  4  导热系数的计算结果

    Table  4.   Calculated results of heat conductivity
    下载: 导出CSV
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  • 收稿日期:  2013-06-18
  • 刊出日期:  2013-12-25

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