| 自然循环平板式太阳能热水器水箱放置高度的研究 |
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| 引用本文： | 郑土逢,李明,魏生贤,罗熙,王炳灿.自然循环平板式太阳能热水器水箱放置高度的研究[J].云南师范大学学报(自然科学版),2011,31(1):40-43,58. |
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| 作者姓名： | 郑土逢 李明 魏生贤 罗熙 王炳灿 |
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| 作者单位： | 1. 云南师范大学物理与电子信息学院,云南,昆明,650092
2. 云南师范大学可再生能源材料先进技术与制备教育部重点实验室,云南,昆明,650092 |
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| 基金项目： | 国家自然科学基金资助项目(50966004); 高等学校博士学科点专项科研基金资助项目(20095303110001); 云南省科技计划资助项目(2007C0016Z,2008CA024,2008GA014); 教育部长江学者和创新团队发展计划资助 |
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| 摘 要： | 搭建了自然循环平板式太阳能热水器(NFSWH)的实验平台,根据太阳能热水器国家测试标准方法对系统的热效率进行测试。用TRNSYS软件建立了NFSWH的瞬态模型。模拟和实际测量了水箱放置高度对热水器热效率的影响。结果显示,实验与模拟吻合较好。对于集热面积为1.5m2水箱容积为120L的系统,水箱底到集热器出口的高度(Hr)为0.74m时,系统的热效率最大(67.7%).放置高度为0.44-1.04m时,系统集热效率变化不大,在3%以内。
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| 关 键 词： | 太阳能热水器 自然循环 水箱放置高度 热效率 TRNSYS |
Investigation on Installation height of Storage Tank for Natural Circulation Flat Plate Solar Collector |
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| ZHENG Tu-feng,LI Ming,WEI Sheng-xian,LUO Xi,WANG Bing-can.Investigation on Installation height of Storage Tank for Natural Circulation Flat Plate Solar Collector[J].Journal of Yunnan Normal University (Natural Sciences Edition),2011,31(1):40-43,58. |
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| Authors: | ZHENG Tu-feng LI Ming WEI Sheng-xian LUO Xi WANG Bing-can |
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| Institution: | ZHENG Tu-feng1,LI Ming2,WEI Sheng-xian2,LUO Xi2,WANG Bing-can1(1 School of Physics and Electronic Information,Yunnan Normal University,Kunming,650092,China,2 Key Laboratory of Advanced Technique & Preparation for Renewable Energy Materials,Ministry of Education,China) |
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| Abstract: | The device of natural circulation flat plate solar water heater has been built.In accordance with the national testing standard methods,the efficiency of the system was tested.The transient model of NFSWH has been developed by using the TRNSYS simulation program.The effect of installation height between the bottom of the tank and the outlet of the collector on efficiency of the solar collector has been investigated both theoretically and experimentally.The data show the theoretical results are highly consis... |
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| Keywords: | Solar water heater Natural circulation Installation height Thermal performance TRNSYS |
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