On the breakup of viscous liquid threads

Author: yevq

August undefined, 2024

WebIt is shown that at the level of the cross-over between these two regimes it is more probable to produce monodisperse droplets because fluctuation-dominated pinch-off may allow the unique situation where satellite drop formation can be inhibited. The thinning dynamics of a liquid neck before break-up, as may happen when a drop detaches from a faucet or a …

How to extract the Newtonian viscosity from capillary breakup ...

Web15 de abr. de 2015 · 1 linear stability of viscous liquids 1.1 fluid thread highly viscous 1.2 external fluid highly viscous 1.3 general case - arbitrary viscosity ratio. linear stability of viscous liquids. reynolds , later tomotika extended plateau s work consider linear stability of viscous threads. rayleigh solved stability of viscous thread of viscosity μ a Web14 de dez. de 2007 · The influence of surfactant on the breakup of a prestretched bubble in a quiescent viscous surrounding is studied by a combination of direct numerical … northland distribution

Break-up dynamics of fluctuating liquid threads - Semantic Scholar

WebON THE BREAKUP OF VISCOUS LIQUID THREADS. D. Papageorgiou. Published 1995. Physics. Physics of Fluids. A one-dimensional model evolution equation is used to … WebIn this paper we compute the linear stability of similarity solutions of the breakup of viscous liquid threads, in which the viscosity and inertia of the liquid are in balance with the surface tension. The stability of the similarity solution is determined using numerical continuation to nd the dominant eigenvalues. WebThe motion and shape evolution of viscous drops made from a dilute suspension of tiny, spherical glass beads sedimenting in an otherwise quiescent liquid is investigated both experimentally and theoretically for conditions of low Reynolds number. In. ... torus formation and breakup of sedimenting drops: experiments and computer simulations. northland district health board job vacancies

Effect of surfactant on the break-up of a liquid thread: Modeling ...

Stability of similarity solutions of viscous thread pinch-off

Web15 de abr. de 2015 · 1 linear stability of viscous liquids 1.1 fluid thread highly viscous 1.2 external fluid highly viscous 1.3 general case - arbitrary viscosity ratio. linear stability of … Web6 de out. de 1998 · Previous long-wavelength analyses of capillary breakup of a viscous fluid thread in a perfectly inviscid environment show that the asymptotic self-similar regime immediately prior to breakup is given by a balance between surface tension, inertia, and extensional viscous stresses in the thread. northland dirt princeton mnWeb19 de abr. de 2006 · Surface-tension-driven breakup of viscoelastic liquid threads - Volume 120. Skip to main content Accessibility help ... Tomotika, S. 1936 Breaking-up of … northland distributed church

"WebOn the breakup of viscous liquid threads Demetrios T. Papageorgiou * Department of Mathematics and Center for Applied Mat hemahcs and Statistics New Jersey Institute of … " - On the breakup of viscous liquid threads

On the breakup of viscous liquid threads

Breakup of extending liquid threads - ScienceDirect

WebIt is postulated that this phenomenon can only exist as long as a pressure gradient exists within the thread, for instance, when a viscous liquid is conveyed via the liquid thread … WebIt is related to the Rayleigh–Taylor instabilityand is part of a greater branch of fluid dynamics concerned with fluid thread breakup. This fluid instability is exploited in the design of a …

Did you know?

Web13 de out. de 2011 · The breakup process of a low speed capillary liquid jet is computationally investigated for different Ohnesorge numbers (Z), wave numbers (K), and disturbance amplitudes (ζo). An implicit finite difference scheme has been developed to solve the governing equations of a viscous liquid jet. The results predict the evolution … Web2 de ago. de 2011 · Breakup of a poorly conducting liquid thread subject to a radial electric field at zero Reynolds number. Physics of Fluids, Vol. 24, Issue. 10, p. 102102. ...

Web18 de nov. de 2012 · Metrics. A two-dimensional computational model has been developed to study the evolution and breakup of a viscous laminar liquid jet, using a boundary-fitted curvilinear coordinate system. A system of elliptic partial differential equations for coordinate transformations has been developed to map the moving boundaries’ physical domain of … Web26 de nov. de 2024 · We report a numerical analysis of the unforced break-up of free cylindrical threads of viscous Newtonian liquid whose interface is coated with insoluble surfactants, focusing on the formation of satellite droplets.

Webendobj 8 0 obj >>>/Subtype/Form/BBox[0 0 792 612]/Matrix [1 0 0 1 0 0]/Length 229/FormType 1/Filter/FlateDecode>>stream xœ}OËJ 1 Ýç+ÎRA2IÆN§Ù)UèB,’ ˆ™t ... Web23 de nov. de 2024 · Variation of the minimum thread radius h min with time remaining until pinch-off τ: (a) Oh = 0.001 and (b) Oh = 0.01. Orange squares represent the simulation …

Web12 de dez. de 2016 · IrregularType deformedlocally, bulges protuberancesoccur, thusparts globulebecome bodily separated (bulgy deformation). variousflow patterns maycause basicways, those con- sidered here irregularflow field turbulentflow viscousstresses. possiblecom- binations flowpatterns morepre- cisely mostimportant possibleways …

Web6 de jan. de 2012 · Lister, J. R. & Stone, H. A. 1998 Capillary breakup of a viscous thread surrounded by another viscous fluid. Phys. Fluids 10, 2758.CrossRef Google Scholar. 19 19. ... Role of Marangoni stress during breakup of surfactant-covered liquid threads: Reduced rates of thinning and microthread cascades. Physical Review Fluids, Vol. 3, … how to say persistentWebWe study the stability and breakup behavior of an axisymmetric liquid thread surrounded by another viscous fluid layer through a long wave approximation. ... D. T. Papageorgiou, On the breakup of viscous liquid threads, Phys. Fluids, 7 (1995), pp. 1529- … northland district councilWebScience. 1990. TLDR. Because of surface tension, liquid films coating fibers or the insides of capillary tubes are usually unstable and break up into a periodic array of droplets, but … northland district health board intranetWeb19 de abr. de 2000 · Viscous liquid Viscoelastic fluid Rheometer ABSTRACT The liquid filament microrheometer originally described by provides a simple way of extracting material parameters for Newtonian and viscoelastic fluids from measurements of the capillary breakup of a thin fluid thread. how to say persimmons in spanishWeb6 de out. de 2024 · The breakup morphology was categorized into various observed breakup regimes: annular sheet disintegration, ligament type breakup, wavy sheet breakup, and pure-pulsating breakup. The air-to-liquid ratio (ALR) along with the liquid sheet Weber number (We g ) and Reynolds number (Re l ) based on airflow are major … northland district health boardWeb1 de jan. de 2016 · In drop aerobreakup, there are two main breakup modes: general bag breakup and shear breakup, which are induced by Rayleigh-Taylor instability and Kelvin … northland district healthWeb1 de jan. de 2016 · The effect of insoluble surfactant on the breakup of an inviscid jet surrounded by a viscous fluid at low Reynolds number is studied both theoretically and experimentally. Equations governing the evolution of the interface and surfactant concentration are derived using long wavelength approximations. northland district mail delivery