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Position: Home > Articles > Viscosity of Low Concentration Nanofluids Transactions of the Chinese Society for Agricultural Machinery 2007,38 (4) 138-141+150

低浓度纳米流体粘度变化规律试验

作  者：
彭小飞;俞小莉;夏立峰;钟勋
单  位：
浙江银轮机械股份有限公司;浙江大学动力机械及车辆工程研究所
关键词：
纳米流体;低浓度;粘度;分散;吸附
摘  要：
测定了不同纳米颗粒、分散剂、pH值和温度下的纳米流体的粘度,分析了粘度随这些因素的变化规律。结果表明,纳米流体粘度较基液有一定程度的增大,增加比例在1.002～1.182之间。在此基础上提出纳米流体粘度修正公式,经检验,在低浓度下该公式能较好地预测纳米流体的粘度。
译  名：
Viscosity of Low Concentration Nanofluids
作  者：
Peng Xiaofei1 Yu Xiaoli1 Xia Lifeng2 Zhong Xun1(1.Zhejiang University 2.Zhejiang Yinlun Machinery Co., Ltd.)
关键词：
Nanofluids, Low concentration, Viscosity, Dispersion, Absorption
摘  要：
Due to the excellent heat transfer and transportation properties, nanofluids have brought a new direction for heat transfer and industrial application. It's highly expected that nanofluids can enhance heat transfer performance without increasing pressure drop, so viscosity is one of the key properties of nanofluids. However, researches of nanofluids are only at the beginning steps, and there aren't all-around viscosity tests on the factors and a good equation to describe the viscosity of nanofluids. Several kinds of nanofluids, varied in their nano-particle, dispersant, pH value and temperature were prepared and the viscosity was measured to analyze the trends of viscosity on all the above factors. Based on the previous viscosity models for two-phases mixture, a new model was summed up for nanofluids. Compared with test values, the calculated values on the new model have verified that the model suited to predict the viscosity of nanofluids.

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