| 顶板辐射供冷加置换通风系统广州地区适用性分析 |
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| 引用本文： | 李丽,赵立华,孟庆林. 顶板辐射供冷加置换通风系统广州地区适用性分析[J]. 建筑科学, 2008, 24(10) |
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| 作者姓名： | 李丽 赵立华 孟庆林 |
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| 作者单位： | 华南理工大学,亚热带建筑科学国家重点实验室,建筑节能研究中心,广州,510640;华南理工大学,亚热带建筑科学国家重点实验室,建筑节能研究中心,广州,510640;华南理工大学,亚热带建筑科学国家重点实验室,建筑节能研究中心,广州,510640 |
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| 基金项目： | 粤港关键领域重点突破项目，高等学校学科创新引智计划 |
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| 摘 要： | 顶板辐射供冷加置换通风系统以其独有的舒适性好、能耗低等特点逐步被国内用户接受,并在民用建筑项目中被采用.本文以等效辐射换热系数方法对盘管式辐射顶板单位面积的供冷量进行了数值模拟分析,并以广州地区为例,对该系统的适用性及影响因素进行了讨论:顶板辐射供冷加置换通风系统更适用于围护结构冷负荷指标低的节能建筑;当围护结构冷负荷指标低于20 W/m2时,采用较高供回水温度的冷水机组可满足室内设计要求且有明显的节能效果;顶板承担的冷负荷随人员密度的增大而减小,降低送风温度、采取大温差送风,可降低顶板承担的冷负荷.
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| 关 键 词： | 顶板辐射供冷 供冷量 适用性 节能 |
Applicability Analysis on Ceiling Radiant Cooling with Displacement Ventilation System in Guangzhou |
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| LI Li,ZHAO Li-hua,MENG Qing-lin. Applicability Analysis on Ceiling Radiant Cooling with Displacement Ventilation System in Guangzhou[J]. Building Science, 2008, 24(10) |
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| Authors: | LI Li ZHAO Li-hua MENG Qing-lin |
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| Affiliation: | LI Li,ZHAO Li-hua,MENG Qing-lin (Environment Energy Laboratory(BEEL),State Key Laboratory of Subtropical Building Science,South China University of Technology,Guangzhou 510640,China) |
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| Abstract: | With the characteristics of better thermal comfort and lower energy consumption,the ceiling radiant cooling with displacement ventilation system was gradually being accepted by the occupants and had been taken in some civil residential buildings in China.In this paper,using the method of equivalent radiation heat transfer coefficient,the unit area cooling ability of the ceiling radiant cooling system with fan coil was simulated,and the applicability of this system used in Guangzhou was analyzed.The results ... |
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| Keywords: | ceiling radiant cooling system cooling ability applicability energy efficiency |
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