Numerical Study of Non-Newtonian Liquid Sheet Primary Breakup

Abstract:

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Dynamic atomization processes of non-Newtonian liquid were investigated by the method of numerical simulation. The full transient process of the primary instability, deformation, and fragmentation of free surface were simulated numerically by solving the Navier-Stokes equations using an algorithm based on the finite volume method. The tracking of the free surface was achieved using the volume of fluid (VOF) technique and the geometric reconstruction was based on the technique of Piecewise-Linear Interface Construction (PLIC). The continuum surface force (CSF) method was used to model surface tension. In this paper, atomization characteristics of non-Newtonian liquid were analyzed detailedly. The distribution of dimensionless potential length against time was obtained, and the dimensionless wavelength of primary waves was investigated.

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Periodical:

Edited by:

Han Zhao

Pages:

3628-3631

DOI:

10.4028/www.scientific.net/AMM.130-134.3628

Citation:

L.P. He and Z.Y. Xia, "Numerical Study of Non-Newtonian Liquid Sheet Primary Breakup", Applied Mechanics and Materials, Vols. 130-134, pp. 3628-3631, 2012

Online since:

October 2011

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$35.00

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