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Viscosity of bimodal suspensions with hard spherical particles

机译:具有硬球形颗粒的双峰悬浮液的粘度

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摘要

We analyze two equations for their ability to predict the viscosity of bimodal suspensions with hard spherical particles. The equations express the viscosity as a function of the particle loading and the packing (or, volume) fraction at which the viscosity diverges (viscosity threshold). The latter is found from previously published experimental studies for a variety of sphere diameter ratios and fractions of small particles in total solids. A comparison between the viscosity thresholds and the maximally random jammed packing verifies their interconnection and permits accurate viscosity prediction of bimodal suspensions.
机译:我们分析两个方程式预测具有硬球形颗粒的双峰悬浮液粘度的能力。这些方程式将粘度表示为颗粒分散度和粘度分散的堆积(或体积)分数(粘度阈值)的函数。后者是从先前发表的实验研究中发现的,这些实验研究了各种球径比和小颗粒在总固体中的比例。粘度阈值和最大随机堵塞的填充物之间的比较验证了它们的相互联系,并允许对双峰悬浮液进行准确的粘度预测。

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  • 来源
    《Journal of Applied Physics》 |2014年第18期|184902.1-184902.7|共7页
  • 作者单位

    Department of Civil and Environmental Engineering, Princeton University, Princeton, New Jersey 08544, USA;

    Department of Civil and Environmental Engineering, Princeton University, Princeton, New Jersey 08544, USA,Princeton Institute for the Science and Technology of Materials, Princeton University, Princeton, New Jersey 08544, USA;

    Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA;

    Princeton Institute for the Science and Technology of Materials, Princeton University, Princeton, New Jersey 08544, USA,Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA,Department of Physics, Princeton University, Princeton, New Jersey 08544, USA,Program in Applied and Computational Mathematics, Princeton University, Princeton, New Jersey 08544, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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