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首页> 外文期刊>Applied Mechanics and Materials >Physical Properties and Rheological Characteristics of Activated Carbon Nanofluids with Varying Filler Fractions and Surfactants
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Physical Properties and Rheological Characteristics of Activated Carbon Nanofluids with Varying Filler Fractions and Surfactants

机译：填料分数和表面活性剂变化的活性炭纳米流体的物理性质和流变特性

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摘要

For the past fifteen years, there has been considerable interest in the use of nanofluids in various fields mainly in heat transfer applications. This paper investigated thermophysical properties of activated carbon nanofluids using hexane, water and ethylene glycol (EG) as base fluids. Experimental and qualitative observational tests were conducted to study the viscosity, specific heat capacity and stability of the nanofluids using arabinogalactan (ARB), sodium lauryl sulphate (SDS) and TritonX-114 as stabilising agents. The results revealed that the addition of ARB to activated carbon-water (C/H_2O) nanofluids yielded nanofluid stability for up to 39 days. However, ARB decreased the heat capacity of C/H_2O nanofluid. C/H_2O nanofluid viscosity decreased with an increase in shear rate. On the other hand, results revealed that C/C_6H_(14) viscosity increased with the increase in shear rate specifically for high shear rate values. C/H_2O heat capacity was enhanced by 6.1% compared to C/EG that decreased by 6.3%.
机译：在过去的十五年中，人们对各种领域的纳米流体的使用产生了浓厚的兴趣，主要是在传热应用中。本文研究了以己烷，水和乙二醇（EG）为基液的活性炭纳米流体的热物理性质。使用阿拉伯半乳聚糖（ARB），月桂基硫酸钠（SDS）和TritonX-114作为稳定剂，进行了实验和定性观察测试，以研究纳米流体的粘度，比热容和稳定性。结果表明，向活性炭-水（C / H_2O）纳米流体中添加ARB可以产生长达39天的纳米流体稳定性。然而，ARB降低了C / H_2O纳米流体的热容。 C / H_2O纳米流体的粘度随着剪切速率的增加而降低。另一方面，结果表明，对于高剪切速率值，C / C_6H_（14）粘度随剪切速率的增加而增加。 C / H_2O热容量增加了6.1％，而C / EG热容量减少了6.3％。

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  • 来源
    《Applied Mechanics and Materials》 |2018年第2018期|58-65|共8页
  • 作者

    Kaggwa Abdul; James K. Carson; Martin Atkin; Michael Walmsley;

  • 作者单位

    School of Engineering, Faculty of Science and Engineering, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand;

    School of Engineering, Faculty of Science and Engineering, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand;

    School of Engineering, Faculty of Science and Engineering, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand;

    School of Engineering, Faculty of Science and Engineering, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand;

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  • 正文语种 eng
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  • 关键词

    Nanofluids; Viscosity; Specific heat capacity; Surfactant; Stability;

    机译：纳米流体;粘度;比热容;表面活性剂稳定性;

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