| 加装导流板的真空管热水器流动与换热的数值模拟 |
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| 引用本文： | 闫素英,田瑞,张维蔚,于文艳,王亚辉. 加装导流板的真空管热水器流动与换热的数值模拟[J]. 可再生能源, 2011, 29(6): 1-5 |
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| 作者姓名： | 闫素英 田瑞 张维蔚 于文艳 王亚辉 |
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| 作者单位： | 内蒙古工业大学能源与动力工程学院,内蒙古呼和浩特,010051 |
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| 基金项目： | 国家自然科学基金(50766002); 内蒙古自然科学基金重大项目(200607010701),内蒙古自然科学基金(2011BS0702) |
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| 摘 要： | 针对真空管与水箱连接处冷热水混流、出现随机涡流而影响换热等问题,分别建立了两种加装导流板结构模型.用FLUENT软件对两种导流结构热水器进行三维数值模拟研究,并与原结构进行比较分析,研究了真空管内的对流换热过程以及水箱内流体的分层情况.结果表明:加装导流板后,管口和水箱内的冷、热水混合换热情况得到了改善,增强了管内流体...
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| 关 键 词： | 太阳能 导流板 真空管热水器 |
Numerical simulation on heat transfer and fluid flow in the water heater of evacuated tube with guiding plate |
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| YAN Su-ying , TIAN Rui , ZHANG Wei-wei , YU Wen-yan , WANG Ya-hui. Numerical simulation on heat transfer and fluid flow in the water heater of evacuated tube with guiding plate[J]. Renewable Energy(China), 2011, 29(6): 1-5 |
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| Authors: | YAN Su-ying TIAN Rui ZHANG Wei-wei YU Wen-yan WANG Ya-hui |
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| Affiliation: | YAN Su-ying,TIAN Rui,ZHANG Wei-wei,YU Wen-yan,WANG Ya-hui (School of Energy and Power Engineering,Inner Mongolia University of Technology,Hohhot 010051,China) |
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| Abstract: | Two simulation models of the collector with guiding plate were established respectively aimed at the heat transfer problems produced by mixed flow and stochastic vorticity,The two guiding plate heater were analyzed by three dimensional simulation through software FLUENT,the comparison with the original structure was made,the heat convection process in the evacuated tube and stratification situation of fluid in the waterbox were studied.The results showed that the heat transfer between cold and hot water was... |
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| Keywords: | solar energy guiding plate evacuated tube water heater |
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