| Effect of Clusters on Thermal Conductivity in Nanofluids |
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| 作者姓名： | 徐洁 郁伯铭 员美娟 |
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| 作者单位： | Department of Physics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10572052. |
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| 摘 要： |
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| 关 键 词： | 簇效应 热导电性 纳米流体 纳米粒子 |
| 收稿时间： | 2006-06-26 |
| 修稿时间： | 2006-06-26 |
Effect of Clusters on Thermal Conductivity in Nanofluids |
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| XU Jie, YU Bo-Ming, YUN Mei-Juan.Effect of Clusters on Thermal Conductivity in Nanofluids[J].Chinese Physics Letters,2006,23(10):2819-2822. |
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| Authors: | XU Jie YU Bo-Ming YUN Mei-Juan |
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| Affiliation: | Department of Physics, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074 |
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| Abstract: | We propose a new model for the effective thermal conductivities of nanottuids, which is derived from the fact that nanoparticles and clusters coexist in the fluids. The effects of the compactness and the perfectness of the contact between nanoparticles in clusters on the effective thermal conductivity of nanofluids are analysed. The proposed model indicates that the effective thermal conductivity of nanofluids decreases with the increasing concentration of clusters. The model predictions are compared with and are in good agreement with the available experimental data. |
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