| Seasonal Behavior of Pavement in Geothermal Snow-Melting System with Solar Energy Storage |
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| 引用本文： | 赵军 王华军 陈志豪 曲航. Seasonal Behavior of Pavement in Geothermal Snow-Melting System with Solar Energy Storage[J]. 天津大学学报(英文版), 2006, 12(5): 319-324 |
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| 作者姓名： | 赵军 王华军 陈志豪 曲航 |
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| 作者单位： | School of Mechanical Engineering Tianjin University，School of Mechanical Engineering Tianjin University，School of Mechanical Engineering Tianjin University，School of Mechanical Engineering Tianjin University，Tianjin 300072 China Tianjin 300072 China Tianjin 300072 China Tianjin 300072 China |
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| 基金项目： | Supported by Tianjin Science and Technology Development Foundation(No.013112811-1). |
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| 摘 要： | * Due to snow accumulation and ice formation onhighways, traffic accidents happen frequently in win-ter, causing great losses of economy and lives. Soroad snowremoval has been given great concern[1]. Geothermal road snow-melting system (GRSS)with solar energy storage is an effective, non-pollutionapplied sustainable energy technology developed in re-cent years. Its prominent advantage is to realize sea-sonal thermal storage and improve energy efficien-cy[2]. In Sapporo of Japan, a GRSS sys…
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| 关 键 词： | 地热能 融雪系统 传热 季节性 储热 |
| 收稿时间： | 2006-03-15 |
Seasonal Behavior of Pavement in Geothermal Snow-Melting System with Solar Energy Storage |
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| ZHAO Jun,WANG Huajun,CHEN Zhihao,QU Hang. Seasonal Behavior of Pavement in Geothermal Snow-Melting System with Solar Energy Storage[J]. Transactions of Tianjin University, 2006, 12(5): 319-324 |
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| Authors: | ZHAO Jun WANG Huajun CHEN Zhihao QU Hang |
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| Abstract: | A two-dimensional unsteady heat transfer model of pavement of geothermal road snow-melting system (GRSS) with solar energy storage is established and numerical simulation is carried out based on annual hourly meteorological data and boundary conditions. Simulated results show that ground surface temperature and heating flux decrease with the increase of buried depth, but increase with the increase of fluid temperature in winter. Heat-extracted amount and efficiency drop with the increase of fluid temperature in summer.Compared with ambient temperature, solar radiation has more direct influence on the heat-extracted flux of pipe walls of GRSS in summer. The relationships among maximum and idling snow-melting load, the rate of snowfall, ambient temperature and wind speed are made clear, which provides necessary references for the design and optimization of a practical road snow-melting system. |
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| Keywords: | geothermal energy snow-melting systems heat storage heat transfer seasonal behavior |
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