Journal ArticleDOI
Numerical investigations in Rayleigh breakup of round liquid jets with VOF methods
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TLDR
In this article, the growth of a capillary instability and the breakup of a jet were simulated using a one-fluid model to describe the two-phase flow motion and a VOF approach to capture the interface.About:
This article is published in Computers & Fluids.The article was published on 2011-11-01. It has received 62 citations till now. The article focuses on the topics: Breakup & Capillary action.read more
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Review of techniques to manufacture micro-hydrogel particles for the food industry and their applications
TL;DR: The utilisation of engineered microgels in foods has so far been limited, despite their great potential to address several needs in the food industry, including satiety control, encapsulation of phytonutrients and prebiotics, texture control for healthier food formulations, and targeting delivery to specific areas in the digestive tract.
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The science of foaming.
TL;DR: The subject is reviewed by providing an overview of the relevant key mechanisms of bubble generation within a coherent hydrodynamic context; and different foaming techniques which exploit these mechanisms are discussed.
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Plateau Rayleigh Instability Simulation
TL;DR: It is demonstrated that the VOF method can correctly predict the breakup of thins films into an array of either axisymmetric droplets or clam-shell droplets, depending on the surface energy.
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A multiphysics model for analysis of droplet formation in electrohydrodynamic 3D printing process
TL;DR: In this article, the formation of a droplet in an EHD printer under a pulsed electrical field is simulated using a new numerical model which couples the fluid flow, the electric field distribution and the movement of the electric charges under dynamic and transient conditions.
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In-situ atomization and flame characteristics of coal water slurry in an impinging entrained-flow gasifier
TL;DR: Based on the bench-scale impinging entrained-flow gasifier with coal water slurry (CWS) as the feedstock and the development of advanced visualization techniques, the in-situ atomization and flame characteristics of CWS were investigated as discussed by the authors.
References
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Journal ArticleDOI
A continuum method for modeling surface tension
TL;DR: In this paper, a force density proportional to the surface curvature of constant color is defined at each point in the transition region; this force-density is normalized in such a way that the conventional description of surface tension on an interface is recovered when the ratio of local transition-reion thickness to local curvature radius approaches zero.
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BI-CGSTAB: a fast and smoothly converging variant of BI-CG for the solution of nonsymmetric linear systems
TL;DR: Numerical experiments indicate that the new variant of Bi-CG, named Bi- CGSTAB, is often much more efficient than CG-S, so that in some cases rounding errors can even result in severe cancellation effects in the solution.
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A front-tracking method for viscous, incompressible, multi-fluid flows
TL;DR: In this paper, a method to simulate unsteady multi-fluid flows in which a sharp interface or a front separates incompressible fluids of different density and viscosity is described.
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Direct numerical simulation of free-surface and interfacial flow
TL;DR: In this paper, the authors consider the formation of droplet clouds or sprays that subsequently burn in combustion chambers, which is caused by interfacial instabilities, such as the Kelvin-Helmholtz instability.