| 细圆管内纳米颗粒悬浮液强化对流换热的探讨 |
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| 引用本文： | 陈骁,李俊明,戴闻亭,王补宣. 细圆管内纳米颗粒悬浮液强化对流换热的探讨[J]. 工程热物理学报, 2004, 25(4): 643-645 |
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| 作者姓名： | 陈骁 李俊明 戴闻亭 王补宣 |
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| 作者单位： | 清华大学热能工程系,北京,100084;清华大学热能工程系,北京,100084;清华大学热能工程系,北京,100084;清华大学热能工程系,北京,100084 |
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| 基金项目： | 国家自然科学基金资助项目(No.50276030) |
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| 摘 要： | 实验研究了细圆管内去离子水和氧化铜纳米颗粒悬浮液的对流换热特性。根据实验数据,得到纳米颗粒悬浮液相对于去离子水的对流换热强化特性。结果表明,氧化铜纳米颗粒的加入强化了去离子水的换热性能,其强化程度随Re的变化因管径而异,并且与流态有关。
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| 关 键 词： | 纳米颗粒悬浮液 对流换热 强化传热 |
| 文章编号： | 0253-231X(2004)04-0643-03 |
| 修稿时间： | 2003-12-30 |
ENHANCING CONVECTION HEAT TRANSFER IN MINI TUBES WITH NANOPARTICLE SUSPENSIONS |
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| CHEN Xiao LI Jun-Ming DAI Wen-Ting WANG Bu-Xuan. ENHANCING CONVECTION HEAT TRANSFER IN MINI TUBES WITH NANOPARTICLE SUSPENSIONS[J]. Journal of Engineering Thermophysics, 2004, 25(4): 643-645 |
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| Authors: | CHEN Xiao LI Jun-Ming DAI Wen-Ting WANG Bu-Xuan |
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| Abstract: | Experiments were conducted to investigate the convection heat transfer of deionized water and copper oxide nanoparticle suspensions flowing through mini tubes. The relative convection heat transfer enhancement is deduced from the experimental data. The results show that nanoparticles improve the convection heat transfer of deionized water, and the enhancement varies with Re, the diameter of tubes and the flow state. |
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| Keywords: | nanoparticle suspension convection heat transfer heat transfer enhancement |
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