Marangoni number
Effects of non uniform temperature gradients on Surface tension driven two component magneto convection in a porous fluid system
... ponds. Marangoni convection resulting from the local variation of surface tension due to a non-uniform temperature distribution is an interesting fluid mechanical ...thermal Marangoni number are ...
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Effects of Non uniform Temperature Gradients on Triple Diffusive Surface Tension Driven Magneto Convection in a Composite Layer
... Marangoni numbers are depicted Figs. 3(a)-(c). The curves for β = 0.2, 0.3, 0.4. Increase in the value of β, that is, increasing the permeability, the thermal Marangoni numbers increase for all the three ...
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Three-dimensional numerical simulation of Marangoni instabilities in non-cylindrical liquid bridges in microgravity
... critical Marangoni number is measured by establishing a temperature ramp that increases with time the temperature difference across the ...instantaneous Marangoni number, at which temperature ...
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Numerical investigation of bubble induced marangoni convection
... Marangoni numbers. By applying the same temperature and stream function scales to each plot, it is evident that with decreasing tem- perature the thermocapillary effect decreases in strength. The plot for Ma = ...
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Effects of Non Uniform Temperature Gradients on Triple Diffusive Marangoni Convection in a Composite Layer
... thermal Marangoni number for the inverted parabolic profile is larger than those for the linear and parabolic ...thermal Marangoni number increases and its effect is to stabilize the ...
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Surface Tensions of Fe (30 40 mol%) Si C Alloys at 1523 1723 K
... Here, ¦T, L are the temperature difference and characteristic length in the system, respectively. ® and ¡ are the viscosity and the thermal diffusivity of the liquid, respectively. The temperature coefficient of the ...
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Flight results on Marangoni flow instability in liquid bridges
... critical Marangoni number for the onset of the time-dependent asymmetric flow in high Prandtl number fluids has been established two decades ago ...the Marangoni convection is characterized by ...
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Marangoni convection in a fluid layer overlying a layer of an anisotropic porous layer with deformable free surface
... critical Marangoni number and thus has a destabilizing effect on ...critical Marangoni number, and hence its effect is to delay the onset of ...
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Combined Effect of Magnetic field and Internal Heat Generation on the Onset of Marangoni Convection
... Rayleigh number and Marangoni number are linearly ...steady Marangoni instability in an electrically conducting fluid layer with a non- deformable free surface in a magnetic field was first ...
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Multiple solutions, oscillons and strange attractors in thermoviscoelastic marangoni convection
... For high-Pr fluids it is known that as the disturbances responsible for the onset of convection saturate their amplitude, the flow self-organize to form steady aesthetic hexagonal cells. Other steady patterns, however, ...
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Volume 3, Issue 2, February 2014 Page 12
... Single component convection in composite layers is investigated by Many of the researchers started by Nield[5] Rudraiah [7], Taslim and Narusawa [12], McKay [4] and Chen [3]. Shivakumar et al [8] investigated the onset ...
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Penetrative Bénard Marangoni Convection in a Micropolar Ferrofluid Layer via Internal Heating and Submitted to a Robin Thermal Boundary Conditions
... The classical linear stability analysis has been carried out to investigate the effect of internal heat source strength on the onset of Bénard-Marangoni ferroconvec- tion in a horizontal micropolar ferrofluid ...
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Walls and domain shape effects on the thermal marangoni migration of three-dimensional droplets
... the Marangoni number is ...the Marangoni number, the distortion of the temperature field in the region between the droplet and the wall results in a net force with a component directed towards ...
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Convective heat transfer due to thermal Marangoni flow about two bubbles on a heated wall
... of Marangoni number on the local wall heat flux distributions arising from thermocapillary convection about a single bubble in zero ...of Marangoni heat transfer to conduction over a constant area of ...
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Influence of buoyancy forces on Marangoni flow instabilities in liquid bridges
... critical Marangoni number, on the critical frequency, and on the critical azimuthal wave number as well as on the supercritical flow field (pulsating or rotating) is investigated by numerical ...
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DOUBLE-DIFFUSIVE MARANGONI CONVECTION IN SUPERPOSED FLUID AND POROUS LAYERS
... Double diffusive convection in composite layers is investigated by Many of the researchers started by Nield (1977), Taslim and Narusawa (1989), McKay (1998), Chen (1990) . Recently Shivakumara et. al (2006) have ...
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Effect of non-uniform basic temperature gradients on Marangoni convection with a boundary slab of finite conductivity
... as Marangoni convection. The onset of Marangoni convection in a layer of fluid with free upper surface and heated from below has been studied extensively because of importance in material science processing ...
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Influence of geometrical aspect ratio on the oscillatory Marangoni convection in liquid bridges
... Surface tension-driven instabilities in vertical cylindrical liquid bridges have been studied experimentally using a microscale facility and numerically with time-dependent three- dimensional simulations. Both the ...
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Effect of Non Uniform Basic Temperature Gradient on the Onset of Rayleigh Bénard Marangoni Electro Convectionin a Micropolar Fluid
... The above result indicates that externally applied elec- tric field is an effective means of controlling, Rayleigh- Bénard-Marangoni convection in mircopolar fluids. The result also suggests that ...
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Fluid Flow and Mixing Induced by AC Continuous Electrowetting of Liquid Metal Droplet
... of Marangoni chaotic advection effect induced by time-varying electric field), where the time-dependent and inhomogeneous surface tension is a function of the transient double-layer voltage drop ...
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