Fluid flow, surface tension and capillary forces
On numerical approximation of incompresible fluid flow with free surface influenced by surface tension
... Abstract. This paper deals with the numerical approximation of two immiscible incompressible fluids flow. The two-dimensional problem is mathematically described with the aid of the incompressible Navier-Stokes equations. ...
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Forced capillary gravity surface waves over a bump – Critical surface tension case
... The capillary-gravity waves on a two-dimensional fluid flow of finite depth have been investigated since nineteenth ...the fluid of constant density, which is incompressible, inviscid and ...
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CHAPTER 11 CAPILLARY BRIDGES AND CAPILLARY-BRIDGE FORCES
... the surface tension force exerted around the annulus of the ...to capillary bridge can be also repulsive, see ...lateral capillary forces considered in Chapters ...
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Phase Field Models of Two-Fluid Flow in a Capillary Tube and Hele-Shaw Cell.
... two-fluid flow are thin circular tubes, which we will refer to as capillary tubes, and Hele-Shaw cells, in which fluids flow in a thin gap between parallel ...in capillary tubes and ...
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11.8 Cohesion and Adhesion in Liquids: Surface Tension and Capillary Action
... adhesive forces is capillary action—the tendency of a fluid to be raised or suppressed in a narrow tube, or capillary ...a capillary tube is placed vertically into a liquid, as shown in ...
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Surface tension dominates insect flight on fluid interfaces
... that surface tension is a powerful energy trap, which makes the net static force required to pull off the interface higher than that needed to stay aloft in ...water surface when their limbs are ...
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An apparatus with a horizontal capillary tube intended for measurement of the surface tension of supercooled liquids
... horizontal capillary tube High pressure gas supported from the pressure vessel was throttled down to absolute pressure of 111 kPa using a stainless steel capillary tube with inner diameter of ...the ...
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Lecture 24 - Surface tension, viscous flow, thermodynamics
... - Surface tension, viscous flow, thermodynamics Surface tension, surface energy The atoms at the surface of a solid or liquid are not ...of surface energy that they ...
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Capillary Instability of a Streaming Fluid Core Liquid Jet Under Their Self Gravitating Forces
... the capillary force due to the curvature pressure has stabilizing influence on the gravitational instability in particular for large values of ...the fluid-core liquid cylinder is infinity unstable for all ...
A multiscale method for compressible liquid-vapor flow with surface tension*
... the fluid velocity may become discontinuous at the interface and as a result, the propagation speed of the phase boundary will in general be different from either of these ...
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SURFACE TENSION. Definition
... a capillary. When a capillary, open at both ends, is inserted into a liquid, the result of the competition between cohesive and adhesive forces can be ...glass capillary inserted into water. ...
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Adaptive finite element simulation of three-dimensional surface tension dominated free-surface flow problems
... the fluid free surface meets a solid ...the fluid properties and the solid-surface ...free surface along a solid ...free surface to maintain contact angles different from the ...
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Study of the effect of saliva on the static surface tension of water and some soft drinks using capillary rise method.
... the surface. As a consequence, a molecule at the surface will tend to be drawn into the bulk of the ...its surface. Clearly there must always be some molecules at the surface, but the smaller ...
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A mathematical model of fluid flow in a scraped-surface heat exchanger
... of fluid flow in a common type of scraped surface heat exchanger in which the gaps between the blades and the device walls are narrow, so that a lubrication-theory description of the flow is ...
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4. FLUID SATURATION AND CAPILLARY PRESSURE 4.1 Fluid Saturations
... However, sub-surface values should always be used when available as the interfacial angle is particularly sensitive to changes in temperature, with values as low as 10 dynes/cm for oil/water systems, and as low as ...
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Surface tension and viscosity of blood
... while surface tension mostly depends on temperature and chemical compounds constituting to a ...the capillary tube, the effect becomes significant below the diameter of about ...Newtonian ...
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A STUDY ON VISCOSITY, SURFACE TENSION AND VOLUME FLOW RATE OF SOME EDIBLE AND MEDICINAL OILS
... Viscosity is a physical property, which represents the tendency of a fluid to undergo deformation when subjected to a shear stress. The deformation rate is determined by the intermolecular force, which provides ...
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Fluid pumping system based on electrochemically-induced surface tension changes
... electrochemically-induced surface tension changes Abstract A pump for exerting a pumping force on a fluid in an attached conduit, the pump being actuated by a voltage from a power supply, the pump ...
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Surface Tension
... INTRODUCTION Surface tension is a property of the surface of a liquid that allows it to resist an Surface tension is a property of the surface of a liquid that allows it to ...
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Capillary Forces between Colloidal Particles
... This can be attributed to the fact that at a given capillary rise (and meniscus deformation) the meniscus surface energy is larger when is higher; cf. Equation 1.29 shows [r] ...
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