Laminar mixing and chaotic mixing in several cavity flows.

W. L. Chien, H. Rising, J. M. Ottino

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33 Scopus citations


An experimental study of laminar mixing in several kinds of two dimensional cavity flows was undertaken by means of material line and blob deformation in a new experimental system consisting of two sets of roller pairs connected by belts. The apparatus can be adjusted to produce a range of aspect ratios (0.067-10), Reynolds number (0.1-100), and various kinds of flow fields with one or two moving boundaries. Flow visualization is conducted by marking underneath the free surface of the flow with a tracer solution of low diffusivity and of approximately the same density and viscosity as the flowing fluid. The effects of the initial location of the material blob, relative motion of the two bands, and minor changes in the geometry of the flow region were investigated. (from authors' abstract)

Original languageEnglish (US)
Volume170 , Sep. 1986, p.355-377.
StatePublished - 1986

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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