Abstract
The capillary thinning of a polymeric filament is analysed experimentally as well as by means of numerical simulation. The experimental procedure is as follows. Initially a liquid sample is kept between two cylindrical plates. Then the bottom plate is lowered under gravity to yield a given strain. Thereby the sample is stretched into a filament. Provided the filament is sufficiently long, surface tension will induce a thinning of the filament until breakage in finite time. The experimental principle is sketched in Figure 1. This experiment was originally deviced by Bazilevsky et al.[1]. For the numerical simulations we employ a Lagrangian finite element technique. This method has previously been used in simulations of the transient filament stretching rheometer [2].
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References
A.V. Bazilevsky, V.M. Entov & A.N. Rozhkov, Liquid filament microrheometer and some of its applications, Proc. Third European Rheology Conference, editor D.R. Oliver, pages 41–43, Elsevier, London and New York, 1990.
M.I. Kolte, H.K. Rasmussen & O. Hassager, Transient filament stretching rheometer, II: Numerical simulation, Rheol. Acta., 36, 285–302 (1997).
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© 1998 Springer-Verlag Berlin Heidelberg
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Kolte, M.I., Szabo, P., Hassager, O. (1998). Capillary Thinning of Polymeric Filaments. In: Emri, I. (eds) Progress and Trends in Rheology V. Steinkopff, Heidelberg. https://doi.org/10.1007/978-3-642-51062-5_172
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DOI: https://doi.org/10.1007/978-3-642-51062-5_172
Publisher Name: Steinkopff, Heidelberg
Print ISBN: 978-3-642-51064-9
Online ISBN: 978-3-642-51062-5
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