Fluid mixing (stretching) by time periodic sequences for weak flows

DOI PDF 被引用文献1件
  • D. V. Khakhar
    Department of Chemical Engineering, University of Massachusetts, Amherst, Massachusetts 01003
  • J. M. Ottino
    Department of Chemical Engineering, University of Massachusetts, Amherst, Massachusetts 01003

書誌事項

公開日
1986-11-01
DOI
  • 10.1063/1.865824
公開者
AIP Publishing

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説明

<jats:p>The stretching of material lines in time periodic sequences of ‘‘weak’’ flows (i.e., characterized by a linear stretching for long times) in which streamlines change at the end of each periodic unit is quantified in terms of a mixing efficiency. Two different flows and two different strain distributions give nearly identical results in terms of the mixing efficiency and indicate the existence of an optimal operating condition for maximum stretch. The results are relevant to fluid mixing in chaotic flows.</jats:p>

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