Direct Numerical Simulation of Inelastic Non-Newtonian Jet Breakup

Chengxiang Zhu (), Moritz Ertl, Christian Meister, Philipp Rauschenberger, Andreas Birkefeld and Bernhard Weigand
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Chengxiang Zhu: Universität Stuttgart, Institut für Thermodynamik der Luft- und Raumfahrt
Moritz Ertl: Universität Stuttgart, Institut für Thermodynamik der Luft- und Raumfahrt
Christian Meister: Universität Stuttgart, Institut für Thermodynamik der Luft- und Raumfahrt
Philipp Rauschenberger: Universität Stuttgart, Institut für Thermodynamik der Luft- und Raumfahrt
Andreas Birkefeld: Universität Stuttgart, Institut für Thermodynamik der Luft- und Raumfahrt
Bernhard Weigand: Universität Stuttgart, Institut für Thermodynamik der Luft- und Raumfahrt

A chapter in High Performance Computing in Science and Engineering ‘13, 2013, pp 321-335 from Springer

Abstract: Abstract Direct Numerical Simulations (DNS) based on the Volume of Fluid (VOF) method are carried out in this work, with the aim of analyzing the primary breakup of an inelastic non-Newtonian jet. Detailed description of the jet phenomena is provided firstly, followed by analysis on the generation of ligaments and droplets. The non-Newtonian characteristics of the jet are discussed as well, with a modified Ostwald de Waele model applied for the computation of the shear thinning liquid viscosity. Further, information about the current status of the MPI optimization regarding the Cray XE6 platform is revealed and a first performance analysis is presented.

Keywords: Direct Numerical Simulation (DNS); Liquid Viscosity; Droplets; 3D Free Surface (FS3D); Intact Length (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-02165-2_22

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DOI: 10.1007/978-3-319-02165-2_22

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