Topic
Volume of fluid method
About: Volume of fluid method is a research topic. Over the lifetime, 5338 publications have been published within this topic receiving 116760 citations.
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TL;DR: In this paper, an algebraic coupled Level Set-Volume of Fluid (A-CLSVOF) method is proposed for the simulation of interfacial capillary flows, where both VOF and LS functions are transported where the new volume fraction determines the interface seed position utilized by the reinitialization procedure for the LS field.
39 citations
Patent•
23 May 2008
TL;DR: In this article, an embodiment of a system and method for moving an object in two or more axes includes one or more fluid containers, each of which is directly or indirectly in physical contact with the object.
Abstract: An embodiment of a system and method for moving an object in two or more axes includes one or more fluid containers, each of which is directly or indirectly in physical contact with the object. A volume of a fluid is placed in the one or more fluid containers. The system further includes a fluid mover operably connected to the one or more fluid containers for moving the fluid into the one or more containers, and a fluid volume control for controlling the volume of fluid in the one or more containers. By changing the volume of fluid in the one or more containers, the containers are variably pressurized, thereby moving the object in one or more axis. The object may be supported at one or more pivot points that allow the object to be moved in multiple axes.
39 citations
TL;DR: In this paper, a multiscale method was proposed to investigate the atomization characteristics of the pressure-swirl nozzle for dust reduction, which distinguishes between internal flow field, primary atomization and secondary atomization.
39 citations
TL;DR: In this article, a detailed Navier-Stokes flow computations are utilized to elucidate the gas-water interactions under the framework of the volume of fluid (VOF) model.
Abstract: Gaseous jets injected into water are typically found in underwater propulsion, and the flow is essentially unsteady and turbulent. Additionally, the high water-to-gas density ratio can result in complicated flow structures; hence it remains a challenging issue to measure the flow structures numerically and experimentally. To investigate the performance of the underwater propulsion, the detailed Navier-Stokes flow computations are utilized in this paper to elucidate the gas-water interactions under the framework of the volume of fluid (VOF) model. Furthermore, the fluid compressibility, viscosity, and energy transfer are taken into consideration. The numerical results and experimental data are compared, showing that phenomena including expansion, bulge, necking/breaking and back-attack are highlighted in the jet process. The resulting analysis indicates that the pressure difference on the rear and front surfaces of the propulsion system can generate an additional thrust. The strong and oscillatory thrust of the underwater propulsion system is caused by the intermittent pulses of the back pressure and the nozzle exit pressure. As a result, the total thrust in underwater propulsion is not only determined by the nozzle geometry but also by the flow structures and associated pressure distributions.
39 citations
TL;DR: In this article, the authors proposed a discretely conservative and bounded phase field equation, which is free of any reinitialization or mass redistribution, possesses desirable properties that can be leveraged in the coupled finite difference discretization of the two-phase momentum equation.
39 citations