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Meccanica
Erschienen in: Meccanica 6/2014

01.06.2014

Investigation the effects of shear rate on stationary droplets coalescence by lattice Boltzmann

verfasst von: Ehsan Amiri Rad

Erschienen in: Meccanica | Ausgabe 6/2014

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Abstract

Coalescence is the process by which two or more droplets merge to form a single droplet. It can take place in many processes, ranging from meteorology to astrophysics. When two stationary droplets are suspended in a bulk vapor, if the gap between the droplets has been smaller than a critical value, the two droplets will coalesce. In this paper, single component, two phase flow is modeled under shear flow using a free energy lattice Boltzmann approach and the coalescence of stationary droplets are investigated for different cases of radius and shear rate. The results show that there is a critical gap between droplets and for the values larger than that they will not coalesce. Also in the case of constant thermophysical properties, this critical gap is a function of droplet radius and shear rate.
Vorheriger Artikel Analysis of the buckling of rectangular nanoplates by use of finite-difference method
Nächster Artikel Analytical test functions for free vibration analysis of rotating non-homogeneous Timoshenko beams

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Metadaten
Titel
Investigation the effects of shear rate on stationary droplets coalescence by lattice Boltzmann
verfasst von
Ehsan Amiri Rad
Publikationsdatum
01.06.2014
Verlag
Springer Netherlands
Erschienen in
Meccanica / Ausgabe 6/2014
Print ISSN: 0025-6455
Elektronische ISSN: 1572-9648
DOI
https://doi.org/10.1007/s11012-014-9918-9

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