| 建筑外表面对流换热系数对自保温墙体夏季净得热量的影响 |
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| 引用本文： | 郭文君,李贺,张红婴,亢燕铭,钟珂. 建筑外表面对流换热系数对自保温墙体夏季净得热量的影响[J]. 东华大学学报(自然科学版), 2019, 0(2): 301-305,312 |
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| 作者姓名： | 郭文君 李贺 张红婴 亢燕铭 钟珂 |
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| 作者单位： | 东华大学环境科学与工程学院;江西理工大学建筑与测绘工程学院 |
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| 基金项目： | 国家自然科学基金资助项目(51478098) |
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| 摘 要： | 以上海地区典型夏季气候条件为基础,采用计算流体动力学(computational fluid dynamics,CFD)模拟的方法分析讨论了建筑南墙在不同的太阳辐射强度作用下,建筑外表面对流换热系数对南墙吸收太阳辐射的影响。结果表明,在太阳辐射作用下,外表面对流换热系数对围护结构净得热量的影响很大。当太阳辐射强度相同时,对流换热系数为19.0 W/(m^2·K)时的南墙净得热量比8.5 W/(m^2·K)时的净得热量约少40%;若外表面对流换热系数过小,即使在阴天,围护结构的净得热量仍可能多于晴天下对流换热系数较大时的净得热量。
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| 关 键 词： | 建筑南墙 对流换热系数 太阳辐射 表面温度 净得热量 |
Influence of Convective Heat Transfer Coefficient of Building Exterior Surface on the Net Heat of Self-insulation Wall in Summer |
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| GUO Wenjun,LI He,ZHANG Hongying,KANG Yanming,ZHONG Ke. Influence of Convective Heat Transfer Coefficient of Building Exterior Surface on the Net Heat of Self-insulation Wall in Summer[J]. Journal of Donghua University, 2019, 0(2): 301-305,312 |
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| Authors: | GUO Wenjun LI He ZHANG Hongying KANG Yanming ZHONG Ke |
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| Affiliation: | (College of Environmental Science and Engineering, Donghua U niversity, Shanghai 201620,C hina;School of Architectural and Suvrey& Map Engineering, Jiangxi University of Science and Technology, Ganzhou 341000,China) |
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| Abstract: | GUO Wenjun;LI He;ZHANG Hongying;KANG Yanming;ZHONG Ke(College of Environmental Science and Engineering, Donghua U niversity, Shanghai 201620,C hina;School of Architectural and Suvrey& Map Engineering, Jiangxi University of Science and Technology, Ganzhou 341000,China) |
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| Keywords: | building south wall convective heat transfer coefficient solar radiation surface temperature net heat gain |
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