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Dynamics of the capillary breakup of a bridge in an elastic fluid

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Abstract

The tension of self-thinning filaments occurring upon the capillary breakup of liquid bridges in viscoelastic fluids is measured. The solution of high-molecular polymers with the concentration of 0.1 to 1% are studied. The stresses occurring in the filaments are determined and the effect of the hydrodynamic interaction between the filaments and the adjoining macroscopic volume (droplet) is evaluated. A theoretical analysis of the fluid inflow into the droplet shows that in the case of filament extension the rheology of the polymer liquids under consideration is different from that under the singleaxis compression in droplet flow.

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Authors and Affiliations

  1. Ishlinsky Institute for Problems in Mechanics, Russian Academy of Sciences, pr. Vernadskogo 101, Moscow, 119526, Russia

    A. B. Bazilevskii & A. N. Rozhkov

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  1. A. B. Bazilevskii
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  2. A. N. Rozhkov
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Correspondence to A. B. Bazilevskii.

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Original Russian Text © A.B. Bazilevskii, A.N. Rozhkov, 2015, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2015, Vol. 50, No. 6, pp. 100–116.

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Bazilevskii, A.B., Rozhkov, A.N. Dynamics of the capillary breakup of a bridge in an elastic fluid. Fluid Dyn 50, 800–811 (2015). https://doi.org/10.1134/S0015462815060101

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