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Enhancement of mixing by rodlike polymers

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Academic year: 2021

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FIG. 1: Snapshots of the passive scalar field θ(x, t) at t = 0, 0.6, 1.2 (from left to right) for η p = 0 (top) and η p = 5 (bottom) and initial condition B
FIG. 2: Temporal decay of the variance hθ 2 i(t), normalized with its initial value at t = 0, for η p = 0 (squares), η p = 3 (circles), η p = 5 (triangles), and for
FIG. 4: Instantaneous exponential decay rate β p (t), normalized with β 0 = 2DK 2 , for η p = 0 (squares),
FIG. 5: Temporal evolution of the variance hθ 2 i(t) for P e = 1000 (triangles), P e = 2000 (circles) and P e = 4000 (squares)

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