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首页> 外文期刊>International Journal of Heat and Mass Transfer >A critical synthesis of thermophysical characteristics of nanofluids
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A critical synthesis of thermophysical characteristics of nanofluids

机译：纳米流体热物理特性的关键合成

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A critical synthesis of the variants within the thermophysical properties of nanofluids is presented in this work. The experimental results for the effective thermal conductivity and viscosity reported by several authors are in disagreement. Theoretical and experimental studies are essential to clarify the discrepancies in the results and in proper understanding of heat transfer enhancement characteristics of nanofluids. At room temperature, it is illustrated that the results of the effective thermal conductivity and viscosity of nanofluids can be estimated using the classical equations at low volume fractions. However, the classical models fail to estimate the effective thermal conductivity and viscosity of nanofluids at various temperatures. This study shows that it is not clear which analytical model should be used to describe the thermal conductivity of nanofluids. Additional theoretical and experimental research studies are required to clarify the mechanisms responsible for heat transfer enhancement in nanofluids. Correlations for effective thermal conductivity and viscosity are synthesized and developed in this study in terms of pertinent physical parameters based on the reported experimental data.
机译：这项工作提出了在纳米流体的热物理性质内的变体的关键合成。几位作者报告的有效导热系数和粘度的实验结果不一致。理论和实验研究对于澄清结果差异和正确理解纳米流体的传热增强特性至关重要。说明了在室温下，可以使用低体积分数下的经典方程式估算纳米流体的有效导热率和粘度的结果。但是，经典模型无法估计各种温度下纳米流体的有效导热系数和粘度。这项研究表明，尚不清楚应使用哪种分析模型来描述纳米流体的热导率。需要进行额外的理论和实验研究来阐明造成纳米流体传热增强的机理。根据报告的实验数据，根据相关的物理参数，合成并开发了有效导热系数和粘度的相关性。

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