基于电加热融雪系统的道岔结构传热特性 |
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作者姓名: | 李兰兰 梁世强 唐大伟 陈伟 成克用 |
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作者单位: | 1. 中国科学院工程热物理研究所, 北京 100190;
2. 中国科学院大学, 北京 100049 |
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基金项目: | 国家重点基础研究发展计划(973)项目(2012CB933200)资助 |
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摘 要: | 通过对配以电加热道岔融雪系统的道岔结构进行传热分析,针对不同融雪位置和不同环境条件建立满足融雪要求的最小加热功率计算模型.计算结果揭示了尖轨处不同加热方式的优劣,以及环境因素对最小加热功率的影响.该计算模型为电加热道岔融雪系统的工程实施提供了可靠的理论依据.
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关 键 词: | 道岔 融雪系统 电加热 最小加热功率 |
收稿时间: | 2013-01-15 |
修稿时间: | 2013-03-11 |
Heat transfer characteristics of railway switches equipped with electric heating snow-melting systems |
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Authors: | LI Lan-Lan LIANG Shi-Qiang TANG Da-Wei CHEN Wei CHENG Ke-Yong |
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Institution: | 1. Institute of Engineering Thermophysics, Chinese Academy of Science, Beijing 100190, China;
2. University of Chinese Academy of Science, Beijing 100049, China |
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Abstract: | We study the heat transfer performance of the railway switches and establish a calculation model for minimum heating power at different snow melting positions under different environment conditions. The calculation model provides the reliable theory for the engineering applications of electric heating snow-melting system. |
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Keywords: | railway switch snow-melting system electric heating minimum heating power |
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