制冷工况下PHC能源桩的换热性能分析
TU473.1; 为研究不同因素对预制高强混凝土(precast high-strength concrete,PHC)能源桩换热性能的影响,建立PHC能源桩三维数值仿真分析模型,分析不同注浆回填材料导热系数、热交换管入口温度、桩体导热系数和PHC桩回填直径对PHC能源桩换热性能的影响.结果表明,PHC能源桩的换热量随注浆回填材料导热系数的增加而增大;制冷工况下,提高热交换管的入口温度有利于提升PHC能源桩的换热量;桩体导热系数的增加会提高PHC能源桩的换热性能;PHC能源桩的换热量随着PHC桩回填直径的增加而逐渐提高.通过田口法分析了不同因素对PHC能源桩换热性能的影响,热交换管入口温度的影...
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Published in | 深圳大学学报(理工版) Vol. 39; no. 1; pp. 51 - 58 |
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Main Authors | , , , |
Format | Journal Article |
Language | Chinese |
Published |
深圳市综合交通与市政工程设计研究总院有限公司,广东深圳518003%东南大学岩土工程研究所,江苏南京211189
30.01.2022
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Subjects | |
Online Access | Get full text |
ISSN | 1000-2618 |
DOI | 10.3724/SP.J.1249.2022.01051 |
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Abstract | TU473.1; 为研究不同因素对预制高强混凝土(precast high-strength concrete,PHC)能源桩换热性能的影响,建立PHC能源桩三维数值仿真分析模型,分析不同注浆回填材料导热系数、热交换管入口温度、桩体导热系数和PHC桩回填直径对PHC能源桩换热性能的影响.结果表明,PHC能源桩的换热量随注浆回填材料导热系数的增加而增大;制冷工况下,提高热交换管的入口温度有利于提升PHC能源桩的换热量;桩体导热系数的增加会提高PHC能源桩的换热性能;PHC能源桩的换热量随着PHC桩回填直径的增加而逐渐提高.通过田口法分析了不同因素对PHC能源桩换热性能的影响,热交换管入口温度的影响最大,其次是注浆回填材料导热系数和PHC桩回填直径,桩体导热系数的影响最小.研究结果可为PHC能源桩的工程设计和应用提供技术支撑和指导. |
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AbstractList | TU473.1; 为研究不同因素对预制高强混凝土(precast high-strength concrete,PHC)能源桩换热性能的影响,建立PHC能源桩三维数值仿真分析模型,分析不同注浆回填材料导热系数、热交换管入口温度、桩体导热系数和PHC桩回填直径对PHC能源桩换热性能的影响.结果表明,PHC能源桩的换热量随注浆回填材料导热系数的增加而增大;制冷工况下,提高热交换管的入口温度有利于提升PHC能源桩的换热量;桩体导热系数的增加会提高PHC能源桩的换热性能;PHC能源桩的换热量随着PHC桩回填直径的增加而逐渐提高.通过田口法分析了不同因素对PHC能源桩换热性能的影响,热交换管入口温度的影响最大,其次是注浆回填材料导热系数和PHC桩回填直径,桩体导热系数的影响最小.研究结果可为PHC能源桩的工程设计和应用提供技术支撑和指导. |
Author | 唐皓 韦彬 张国柱 操子明 |
AuthorAffiliation | 深圳市综合交通与市政工程设计研究总院有限公司,广东深圳518003%东南大学岩土工程研究所,江苏南京211189 |
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Author_FL | CAO Ziming WEI Bin TANG Hao ZHANG Guozhu |
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DocumentTitle_FL | Analysis of the heat exchange performance of PHC energy pile under cooling condition |
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Keywords | 岩土工程;桩基础;PHC能源桩;换热性能;制冷工况;田口法 |
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Title | 制冷工况下PHC能源桩的换热性能分析 |
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