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首页> 外文期刊>International Journal of Heat and Mass Transfer >Investigation of viscosity and thermal conductivity of SiC nanofluids for heat transfer applications
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Investigation of viscosity and thermal conductivity of SiC nanofluids for heat transfer applications

机译：用于传热应用的SiC纳米流体的粘度和导热系数的研究

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摘要

Nanofluids are nanotechnology-based colloidal dispersions engineered by stably suspending nanoparti-cles. Transmission electron microscopy and scanning electron microscope images are acquired to characterize the shape and size of SiC nanoparticles, because the properties of the nanofluids depend on the morphologies of nanoparticles. The dispersion behavior for SiC/deionized water (DIW) nanofluids were investigated under different pH values and characterized with the zeta potential values. The isoelectric point of SiC/DIW nanofluid was identified in terms of colloidal stability. Then their viscosity and thermal conductivity were investigated as a function of volume fraction to evaluate SiC/DIW nanofluids' potential to function as more effective working fluids in heat transfer applications.
机译：纳米流体是基于纳米技术的胶体分散体，通过稳定地悬浮纳米颗粒而设计而成。获得透射电子显微镜和扫描电子显微镜图像以表征SiC纳米颗粒的形状和尺寸，因为纳米流体的特性取决于纳米颗粒的形态。研究了在不同pH值下SiC /去离子水（DIW）纳米流体的分散行为，并用zeta电位值进行了表征。 SiC / DIW纳米流体的等电点是根据胶体稳定性确定的。然后研究它们的粘度和热导率作为体积分数的函数，以评估SiC / DIW纳米流体在传热应用中作为更有效的工作流体的潜力。

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  • 来源
    《International Journal of Heat and Mass Transfer》 |2011年第3期|p.433-438|共6页
  • 作者

    Seung Won Lee; Sung Dae Park; Sarah Kang; In Cheol Bang; Ji Hyun Kim;

  • 作者单位

    Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology (UNIST), 100 Banyeon-ri, Eonyang-eup, Ulju-gun,Ulsan Metropolitan City 689-798, Republic of Korea;

    Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology (UNIST), 100 Banyeon-ri, Eonyang-eup, Ulju-gun,Ulsan Metropolitan City 689-798, Republic of Korea;

    Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology (UNIST), 100 Banyeon-ri, Eonyang-eup, Ulju-gun,Ulsan Metropolitan City 689-798, Republic of Korea;

    Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology (UNIST), 100 Banyeon-ri, Eonyang-eup, Ulju-gun,Ulsan Metropolitan City 689-798, Republic of Korea;

    Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology (UNIST), 100 Banyeon-ri, Eonyang-eup, Ulju-gun,Ulsan Metropolitan City 689-798, Republic of Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    IEP; sic/diw nanofluids; thermal conductivity; viscosity; zeta potential;

    机译：IEP;sic / diw纳米流体;导热系数;粘度ζ电位;

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