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Simultaneous effects of adhesion and poly-dispersity on microstructures and geometrical properties in particle deposition

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Abstract

The simultaneous effects of adhesion and polydispersity on packing (or deposit) microstructures and their bulk properties are examined. The results show that the microstructures and bulk properties of the deposits vary sharply with the introduction of even small adhesion and polydispersity. A structural phase diagram is obtained as functions of adhesion and polydispersity. Increases in adhesion lead to noticeable or large fluctuations in packing fractions for polydisperse systems. However, the packing fraction can be stabilized and the fluctuations greatly reduced regardless of the magnitude of the polydispersity index by keeping the adhesion relatively low (i.e., s≤0.1).

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Authors and Affiliations

  1. Dept. of Chem. Eng., Myong Ji University, 449–728, Yongin, Korea

    Hern Kim & Raj Rajagopalan

  2. Dept. of Chem. Eng., Univ. of Houston, 77204, Houston, Texas, USA

    Raj Rajagopalan

Authors
  1. Hern Kim
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  2. Raj Rajagopalan
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Kim, H., Rajagopalan, R. Simultaneous effects of adhesion and poly-dispersity on microstructures and geometrical properties in particle deposition. Korean J. Chem. Eng. 11, 290–292 (1994). https://doi.org/10.1007/BF02697396

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  • DOI: https://doi.org/10.1007/BF02697396

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