... and concentration distributions due to full multicomponent diffusion and thermal diffusion. Meanwhile, the in-house UDFs' source code is programmed for solving diffusivities and essential thermophysical properties. After compiling and linking the source code with the numerical model, a pressure-based SIMPLE...

... 14, 2013. Assoc. Editor: Giulio Lorenzini. 12 10 2012 06 06 2013 This investigation deals with thermal diffusion and diffusion thermo effects on the peristaltic flow of a Sisko fluid in an asymmetric channel. The mode of dissipative heat transfer is taken into account...

...N. Ahmed An exact solution to the problem of MHD transient free convection and mass transfer flow of a viscous, incompressible, and electrically conducting fluid past a suddenly started infinite vertical plate taking into account the thermal diffusion as well as the thermal radiation is presented...

.... In this investigation, an analytic technique is employed to find the mixed convection three-dimensional flow of a UCM fluid with magnetic field, thermal-diffusion and diffusion-thermo effects. Mathematical calculations gives rise to a system of nonlinear differential equations, whose series solution is computed...

... 11 03 2011 26 01 2012 26 01 2012 convection flow through porous media mass transfer melting non-Newtonian flow non-Newtonian fluids thermal diffusion The study of convective heat and mass transfer accompanied by melting effect in porous media has received much attention...

... simulation flow through porous media mass transfer natural convection numerical analysis thermal diffusion double diffusion fluid/porous layer stability analysis convection onset Processes involving heat and mass transfer and fluid flow in heterogeneous domains consisting of a porous...

... of the singularity of the thermal field and heat flux near the contact point. From the computationally determined heat transfer during the collision, a closed-form formula is developed to predict the heat transfer as a function of the Fourier number, the thermal diffusivity ratio, and the thermal conductivity ratio...

... porous media metal foams nonequilibrium flow porosity thermal conductivity thermal diffusion two-phase flow porous media thermal nonequilibrium aluminum metal foam conductivity There are two kinds of models to investigate thermal behavior of conduction and convection within...

... 2011 07 07 2011 07 07 2011 finite difference methods flow through porous media natural convection partial differential equations thermal diffusion free convection Darcy porous medium Soret and Dufour effects Keller-Box Convective flow through porous media...

... ≠ i . For bulk samples, our uncertainty is less than 14%, which is comparable to the uncertainty of TDTR and 3 ω . 01 06 2010 10 01 2011 02 05 2011 02 05 2011 photothermal effects thermal conductivity thermal conductivity measurement thermal diffusion...

... temperature (K) T i initial temperature (K) t time (s) x regular coordinate L Laplace transform L − 1 inverse Laplace transform Greek Letters α thermal diffusivity ( m 2   s − 1 ) β m...

... the sustentation parameter is increased in the negative direction. 5 The influence of Dufour effect is nullified at steady-state in the present work. channel flow flow instability laminar flow Laplace transforms mass transfer natural convection shear flow thermal diffusion free...

...Peter Vadasz The Kirchhoff transformation is the classical method of solution to the nonlinear thermal diffusion problem with temperature dependent properties. It essentially converts the nonlinear problem into a linear one if the thermal diffusivity is approximately constant. Unfortunately...

... alloys pattern formation segregation slurries solidification thermal diffusion tin alloys two-phase flow solidification front tracking binary alloy Solidification of a binary alloy is a very complex multiscale phenomenon where a two-phase solid-liquid region, referred...

...Andrew C. Lysaght; Wilson K. S. Chiu Thermal diffusion, the process by which a multicomponent mixture develops a concentration gradient when exposed to a temperature gradient, has been studied in order to understand if its inclusion is warranted in the modeling of single-wall carbon nanotubes...

... the steady state condition and increases the local and average Nusselt number. The duration of the transient increases with the increment of the Ekman number and disk thickness, and the reduction in the thermal diffusivity of the disk material. 26 11 2008 24 07 2009 05 03 2010 05 03 2010...

...Kh. Abdul Maleque Considering the importance of mass transfer in a magnetohydrodynamic (MHD) convective flow, a numerical solution is obtained for a steady three-dimensional MHD convective mass transfer flow in an incompressible fluid due to a rotating disk with thermal diffusion. The governing...

...A. V. Gusarov; I. Yadroitsev; Ph. Bertrand; I. Smurov A model for coupled radiation transfer and thermal diffusion is proposed, which provides a local temperature field. Single-line scanning of a laser beam over a thin layer of metallic powder placed on a dense substrate of the same material...

... in the absence of Df. 26 09 2006 17 07 2007 07 08 2008 flow through porous media mass transfer natural convection thermal diffusion free convection heat transfer mass transfer boundary layer Soret effect Dufour effect Darcy porous media Coupled heat and mass...

... thermal diffusion conduction phonon lattice Boltzmann thermal conductivity The past decades have seen the development of advanced integrated circuit fabrication techniques that allow increasingly higher numbers of individual components to be built within microchips. As the characteristic...