水热型融雪路面金属导热管合理埋设间距研究

doi:10.7522/j.issn.1000-0240.2015.0114

冰川冻土 ›› 2015, Vol. 37 ›› Issue (4): 1023-1027.doi: 10.7522/j.issn.1000-0240.2015.0114

水热型融雪路面金属导热管合理埋设间距研究

李侠^{1 2}

1. 西安财经学院管理学院, 陕西西安 710061;
2. 长安大学环境科学与工程学院, 陕西西安 710054

收稿日期:2015-05-20 修回日期:2015-06-15 出版日期:2015-08-25 发布日期:2016-01-18
作者简介:李侠(1971-), 女, 陕西西安人, 讲师, 2005年于长安大学获硕士学位, 现为长安大学在读博士研究生, 研究方向为地质工程. E-mail: lixia02015@163.com.
基金资助:
高等学校博士点科研基金项目(20090205120008)资助

Study of reasonable distances between metal pipes buried in road-surface which able to melt snow with running warm water

LI Xia^{1 2}

1. School of Management Engineering, Xi'an University of Finance and Economics, Xi'an 710061, China;
2. School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China

Received:2015-05-20 Revised:2015-06-15 Online:2015-08-25 Published:2016-01-18

摘要/Abstract

摘要： 为了研究水热型融雪化冰路面结构中金属导热管合理布设间距, 建立了基于传热学理论的路面融雪化冰有限元分析模型, 对不同外界气温、不同埋设间距工况下金属热管融雪化冰能力进行计算分析. 结果表明: 外界气温在0~-10 ℃之间时, 热管融雪效果明显. 气温低于-10 ℃时, 热管尽量埋设至路面中部; 热管最优间距为100~200 mm, 当热管间距>200 mm时, 即使管内水温高达40 ℃, 0 ℃ 等温线将不再连续.

关键词: 融雪路面, 热传导, 热管间距, 有限元

Abstract: In order to study the reasonably pipe spacing in the road-surface able to melt snow with running warm water, a finite element analysis model was established based on heat transfer theory. The ability of the metal pipes was analyzed and computed for different air temperatures and laying distances. The results show that when air temperature is in between 0 ℃ and-10 ℃, the pipe system is able to melt snow efficiently; when air temperature is below-10 ℃ the pipe should be buried in the central section of the road-surface as far as possible. The optimal heat pipe spacing is 100~200 mm; when the spacing becomes more than 200 mm, the isotherm of 0 ℃ will no longer be continuous, even if the pipe water temperature reaches 40 ℃ or more.

Key words: road-surfaceable to melt snow, heat conduction, distance between pipes, FEM

中图分类号:

U419.92

李侠. 水热型融雪路面金属导热管合理埋设间距研究[J]. 冰川冻土, 2015, 37(4): 1023-1027.

LI Xia. Study of reasonable distances between metal pipes buried in road-surface which able to melt snow with running warm water[J]. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 2015, 37(4): 1023-1027.

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水热型融雪路面金属导热管合理埋设间距研究

Study of reasonable distances between metal pipes buried in road-surface which able to melt snow with running warm water

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