轻质混凝土多孔砖自保温墙体热桥传热分析_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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轻质混凝土多孔砖自保温墙体热桥传热分析

Analysis on Thermal Bridge Heat Transfer Self-insulation Walls of Lightweight Concrete Porous Bricks

２０18年第12期

自保温墙体；热桥；传热性能；数值模拟；轻质混凝土多孔砖

Self-insulation wall; Thermal bridge; Heat transfer performance; Numerical simulation; Lightweight concrete porous brick

２０18年第12期

1000-4637（2018）12-66-04

吴锋，曹帆，俞方英

杭州市城市建设科学研究院，310003

吴锋，曹帆，俞方英

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1000

摘要：运用计算流体力学（CFD）软件对轻质混凝土多孔砖自保温墙体在框架结构体系中典型的外墙转角热桥传热性能进行了数值模拟计算，通过温度场结果分析，外墙转角热桥内表面在杭州冬季空调室外计算条件下会发生结露现象。为防止热桥内表面结露现象的发生，提出了外墙转角热桥部位的保温处理措施，这些措施值得在自保温墙体体系中借鉴。 Abstract: The heat transfer performance of the external corner thermal bridge about the lightweight concrete porous brick self-insulation wall system in frame structure system is numerically simulated by using computational fluid dynamics (CFD) software. According to the results of temperature, the condensation will occur in the inner surface of the exterior wall corner thermal bridge under the outdoor condition of winter air conditioning in Hangzhou, and some insulation measures are put forward in order to prevent the occurrence of surface condensation. These measures can be used for reference in self-insulation wall system.

英文名 : Analysis on Thermal Bridge Heat Transfer Self-insulation Walls of Lightweight Concrete Porous Bricks

刊期 : ２０18年第12期

关键词 : 自保温墙体；热桥；传热性能；数值模拟；轻质混凝土多孔砖

Key words : Self-insulation wall; Thermal bridge; Heat transfer performance; Numerical simulation; Lightweight concrete porous brick

刊期 : ２０18年第12期

DOI :

文章编号 : 1000-4637（2018）12-66-04

基金项目 :

作者 : 吴锋，曹帆，俞方英

单位 : 杭州市城市建设科学研究院，310003

吴锋，曹帆，俞方英

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摘要

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结论

参考文献

引用本文

Abstract: The heat transfer performance of the external corner thermal bridge about the lightweight concrete porous brick self-insulation wall system in frame structure system is numerically simulated by using computational fluid dynamics (CFD) software. According to the results of temperature, the condensation will occur in the inner surface of the exterior wall corner thermal bridge under the outdoor condition of winter air conditioning in Hangzhou, and some insulation measures are put forward in order to prevent the occurrence of surface condensation. These measures can be used for reference in self-insulation wall system.

关键词:

自保温墙体；热桥；传热性能；数值模拟；轻质混凝土多孔砖

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轻质混凝土多孔砖自保温墙体热桥传热分析

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