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Simulation of Droplet Breakup Using a Lattice Boltzmann Method

Published

Author(s)

Frederick R. Phelan Jr., Nicos Martys

Abstract

Droplet breakup in homogeneous shear flow at super critical Capillary numbers and a viscosity ratio of unity is studied using a lattice Boltzmann method. We find that the total number of child drops that form from an isolated super critical drop scales according to a power law relation (n = 3.5). The child drops that form are all below critical, but not wholly uniform in size, and the distribution appears to be log-normal at high drop numbers. It is also found that for large ratios of the Capillary number to its critical value, the total strain required to break up a drop into N sub-critical entities tends to a constant value.
Proceedings Title
Society of Plastics Engineers, Annual Technical Conference | 61st | ANTEC 2003 Plastics: Annual Technical Conference, Volume 2: Materials | SPE
Volume
2
Conference Dates
May 4-8, 2003
Conference Location
Nashville, TN
Conference Title
ANTEC Conference Proceedings

Keywords

computatuonal fluid dynamics, drop breakup and Coat, lattice boltzmann method, multiphase flow simulation, polymer blends

Citation

Phelan, F. and Martys, N. (2003), Simulation of Droplet Breakup Using a Lattice Boltzmann Method, Society of Plastics Engineers, Annual Technical Conference | 61st | ANTEC 2003 Plastics: Annual Technical Conference, Volume 2: Materials | SPE, Nashville, TN, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=852170 (Accessed July 13, 2024)

Issues

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Created May 1, 2003, Updated February 17, 2017