We report on studies of the early stage of coalescence of two liquid drops.

Published online by Cambridge University Press: URL: /core/journals/journal-of-fluid-mechanics. Thiessen, D. B. Phillips, Scott D.

1996. Basaran, Osman A. Zhang, Xiaoguang and

Trinh, E. H. Check if you have access via personal or institutional login, MathJax is a JavaScript display engine for mathematics. Kelmanson, Mark A. Full text views reflects the number of PDF downloads, PDFs sent to Google Drive, Dropbox and Kindle and HTML full text views. Scott, Timothy C. In this way, Eggers et al. Harris, Michael T. and Abstract. 1995. Close this message to accept cookies or find out how to manage your cookie settings. The formations of viscous liquid drops, both in 2D and 3D, are tested and it clearly demonstrates that the tensile instability can be effectively removed.

The formation, oscillation and binary collision of viscous liquid drops are tested. The drops were high viscosity silicon oil immersed in a water-alcohol mixture of the same density in order to eliminate the effects of gravity. By continuing you agree to the use of cookies.

Copyright © 2014 Elsevier Ltd. All rights reserved. 1995. and Coleman, Catherine This paper presents an improved SPH method for modeling viscous liquid drop. 1993. 1997. and Thornton, Kathyrn C. [1,2] compute a Reynolds number for liquid drop coalescence, which predicts that, for the case of salt water, viscous forces give way to inertial ones just 0.7 ns after the drops … The viscosity was sufficiently large that measurements could be made under the c … Coalescence of viscous liquid drops Phys Rev E Stat Nonlin Soft Matter Phys. Wilkes, Edward D. View all Google Scholar citations For more information see, The dynamics of colliding and oscillating drops, Studies of the nuclear equation of state using numerical calculations of nuclear drop collisions, Three-dimensional oscillations of liquid drops, Drop oscillations in liquid–liquid systems, Materials processing in the reduced-gravity of space, The fluid mechanics of roll coating: steady flows, stability, and rheology, A numerical method for studying simple drop behavior: simple oscillation, On the time-dependent solution of the incompressible Navier–Stokes equations in two and three dimensions, The particle-in-cell method for numerical solution of problems in fluid dynamics, Relativistic fluid dynamics calculations with the particle-in-cell technique, Frontal solution program for unsymmetric matrices, A comparison of various mixed interpolation finite elements in the velocity-pressure formulation of the Navier–Stokes equations, Penalty finite element analysis of unsteady free surface flows, Oscillations of drops in zero gravity with weak viscous effects, On the smoothing property of the Crank–Nicholson scheme, The oscillations of a droplet immersed in another fluid, Quadratic resonance in the three-dimensional oscillations of inviscid drops with surface tension, Third-order resonance effects and the nonlinear stability of drop oscillations, Fluid dynamical description of relativistic nuclear collisions, Spectral methods for problems in complex geometries, Nonlinear oscillations of inviscid free drops, Normal-mode analysis for the oscillations of a viscous liquid drop in an immiscible liquid, The oscillations of a viscous liquid drop, Study of coating flow by the finite element method, Characteristics of electric-field-induced oscillations of translating liquid droplets, The effects of surfactants on drop deformation and breakup, Large-amplitude free and driven drop-shape oscillations: experimental observations, Nonlinear dynamics and break-up of charged drops, Nonlinear oscillations of inviscid drops and bubbles, The frontal method in hydrodynamics simulations, https://doi.org/10.1017/S002211209200199X, Oscillations of liquid drops: results from USML-1 experiments in Space, The deformation of a liquid drop moving normal to a plane wall, A theoretical study of the motion of a viscous drop toward a fluid interface at low Reynolds number, The influence of initial deformation on drop breakup in subcritical time-dependent flows at low Reynolds numbers, Buoyancy-driven motion of a deformable drop through a quiescent liquid at intermediate Reynolds numbers, A deformable liquid drop falling through a quiescent gas at terminal velocity, Breakup of concentric double emulsion droplets in linear flows, Buoyancy-driven interactions between two deformable viscous drops, The effect of surfactants on drop deformation and

for this article.

UL= 1, where and are the liquid density and viscosity, respectively. Accuracy is attested by demonstrating that (i) the drop volume remains virtually constant, (ii) dynamic response to small-and moderate-amplitude disturbances agrees with linear and perturbation theories, and (iii) large-amplitude oscillations compare well with the few published predictions made with the marker-and-cell method and experiments. The rate at which these oscillations are damped during the first period rises as initial drop deformation increases; thereafter the damping rate is lower but remains virtually time-independent regardless of Re or the initial amplitude of deformation. Ambravaneswaran, Bala Best Answer for Composed Of Viscous Liquid Drops Crossword Clue. Moreover, the frequency of oscillation of viscous drops released from such initially two-lobed configurations decreases with the square of the initial amplitude of deformation as Re gets large for moderate-amplitude oscillations, but the change becomes less dramatic as Re falls and/or the initial amplitude of deformation rises. Abstract views reflect the number of visits to the article landing page. A fundamental understanding of nonlinear oscillations of a viscous liquid drop is needed in diverse areas of science and technology. Shi, Tao In this paper, the moderate- to large-amplitude axisymmetric oscillations of a viscous liquid drop, which is immersed in dynamically inactive surroundings, are analysed by solving the free boundary problem comprised of the Navier–Stokes system and … Bayazitoglu, Yildiz Tsamopoulos, John Jankovsky, Joseph Holt, R. G. Jimack, Peter K.

1997. Fuentes, Arturo A. Basaran, O.

However, the attractive forces between SPH particles originated from the cohesive pressure of the vdW equation of state can lead to tensile instability, which is associated with unphysical phenomena such as particle clustering or blowing away. 1999. The new results show that viscous drops that are released from an initially two-lobed configuration spend less time in prolate form than inviscid drops, in agreement with experiments. This paper presents an improved SPH method for modeling viscous liquid drop. Basaran, Osman A. A fundamental understanding of nonlinear oscillations of a viscous liquid drop is needed in diverse areas of science and technology. In the SPH model, the van der Waals (vdW) equation of state is usually used to describe the gas-to-liquid phase transition similar to that of a real fluid.

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