Drainage of water droplets in a bounded paraffin oil continuous phase: Role of temperature, size and boundary walls

Autor:	Jalil Ouazzani, Mickaël Antoni, Adil Lekhlifi
Rok vydání:	2014
Předmět:	Physics::Fluid Dynamics Gravity (chemistry) Colloid and Surface Chemistry Circulation (fluid dynamics) Continuous phase modulation Finite volume method Chemistry Boundary (topology) Initial value problem Thermodynamics Mechanics Radius Drainage
Zdroj:	Colloids and Surfaces A: Physicochemical and Engineering Aspects. 460:342-350
ISSN:	0927-7757
Popis:	This article presents numerical simulations of the hydrodynamics generated by droplets evolving in a continuous paraffin oil phase and submitted to gravity. The model under consideration is two-dimensional, includes capillarity, free boundaries and is simulated with a finite volume technique. Droplets are confined in a two-dimensional simulation domain of 1 cm side. The influence of their size and temperature in their overall drainage dynamics is described. The initial condition problem is discussed for 1 mm radius droplets to describe the effect of boundary walls. Changes in the circulation flows are evidenced, different hydrodynamic regimes identified and their characteristic times discussed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::e43126e8b3a2f893464011f1a0f73d33 https://doi.org/10.1016/j.colsurfa.2014.05.078 Zobrazit plný text záznamu Full Text from ScienceDirect