Abstract
The influence of slip/no-slip boundary conditions on the shape of a jet flowing out of an axisymmetric capillary die is investigated. Numerical results are obtained using the numerical model presented in [1]. It is shown that with no-slip boundary conditions along the tube, a large swelling is obtained past the die, even with a small Weissenberg number. On the other side, no swelling occurs when perfect slip boundary conditions apply along the die, but the stress induced by the contraction flow prior to the die has strong effects on the shape of the viscoleastic jet. Finally, these strong memory effects vanish when the Phan-Thien Tanner model is considered instead of Oldroyd-B.
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References
A. Bonito, M. Picasso, M. Laso, Numerical simulation of 3D viscoelastic flows with free surfaces. J. Comput. Phys. 215(2), 691–716 (2006)
T. Coupez, Metric construction by length distribution tensor and edge based error for anisotropic adaptive meshing. J. Comput. Phys. 230(7), 2391–405 (2011)
A. Kratzer, Hydration, dough formation and structure development in durum wheat pasta processing, Ph.D. thesis, ETHZ, 2011
A. Kratzer, S. Handschin, V. Lehmann, D. Gross, F. Escher, B. Conde-Petit, Hydration dynamics of durum wheat endosperm as studied by magnetic resonance imaging and soaking experiments. Cereal Chem. 85(5), 660–666 (2008)
M. Tome, A. Castelo, V. Ferreira, S. McKee, A finite difference technique for solving the Oldroyd-B model for 3d-unsteady free surface flows. J. Non-Newtonian Fluid Mech. 154(2–3), 179–206 (2008)
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Picasso, M. (2015). The Influence of Boundary Conditions on the 3D Extrusion of a Viscoelastic Fluid. In: Abdulle, A., Deparis, S., Kressner, D., Nobile, F., Picasso, M. (eds) Numerical Mathematics and Advanced Applications - ENUMATH 2013. Lecture Notes in Computational Science and Engineering, vol 103. Springer, Cham. https://doi.org/10.1007/978-3-319-10705-9_69
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DOI: https://doi.org/10.1007/978-3-319-10705-9_69
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