| 地板送风不同送风温差对冷负荷减小系数的影响 |
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| 引用本文： | 朱洲江,亢燕铭.地板送风不同送风温差对冷负荷减小系数的影响[J].建筑热能通风空调,2011,30(1):55-58. |
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| 作者姓名： | 朱洲江 亢燕铭 |
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| 作者单位： | 东华大学环境科学与工程学院 |
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| 摘 要： | 利用数值模拟方法对不同送风温差下地板送风系统房间的总热源和单热源进行流场和温度场的模拟,分析了各单一热源冷负荷减小系数的变化规律,模拟结果表明在相同的送风速度下,除了放置于地面上的热源(主机)冷负荷减小系数基本维持在0.81,其它热源的冷负荷减小系数随着送风温差的增大而增大,且分层高度附近的热源冷负荷减小系数受送风温差的影响最大。
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| 关 键 词： | 地板送风 冷负荷减小系数 数值模拟 节能 |
Air Supply Temperature Difference's Influence on Cooling Load Reduction Factor in an Enclosure with Underfloor Ventilation System |
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| ZHU Zhou-Jiang,KANG Yan-ming.Air Supply Temperature Difference''s Influence on Cooling Load Reduction Factor in an Enclosure with Underfloor Ventilation System[J].Building Energy & Environment,2011,30(1):55-58. |
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| Authors: | ZHU Zhou-Jiang KANG Yan-ming |
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| Affiliation: | ZHU Zhou-Jiang,KANG Yan-ming College of Environmental Science & Engineering,Donghua University |
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| Abstract: | The flow field and temperature field of total heat source and single heat source in an enclosure with underfloor ventilation system in different air supply temperature was studied,and the variation of each single's cooling load reduction factor was analyzed.The result is that when the air supply velocity is constant,the cooling load reduction factor of the heat source on the floor is about 0.81,and the others increase when air supply temperature difference increase,and the cooling load reduction factor of t... |
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| Keywords: | underfloor ventilation cooling load reduction factor numerical simulation energy saving |
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