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Keywords: diffusion
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Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. April 2012, 134(4): 041203.
Published Online: February 15, 2012
...K. N’Wuitcha; M. Banna; S. W. Igo; B. Zeghmati; K. Palm; X. Chesneau This study reports the results on a numerical investigation of the depollution of smokes produced by the incineration of household wastes in a cylindrical furnace. Transfers are described by double-diffusive mixed convection...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. February 2012, 134(2): 022701.
Published Online: December 9, 2011
... heat loss and spectral radiation intensities were investigated experimentally for oxygen-enhanced normal and inverse laminar ethane diffusion flames with increasing heat release rates. The oxygen mole fraction in the oxidizer was varied as 21%, 30%, 50%, and 100% with coflowing normal and inverse flame...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. December 2011, 133(12): 121502.
Published Online: October 6, 2011
...Kleber Vieira de Paiva; Marcia Barbosa Henriques Mantelli; Leonardo Kessler Slongo This work presents a theoretical and experimental analysis of a copper mini heat pipe (MHP), fabricated from a sandwich formed between cylindrical wires and flat plates, which are welded by means of diffusion process...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 2011, 133(11): 112402.
Published Online: September 19, 2011
...P. Srinivasan; S. Mark Spearing Understanding the mechanisms of thermally driven resonance is a key for designing many engineering and physical systems especially at small scales. This paper focuses on the modeling aspects of such phenomena using the classical Fourier diffusion theory. Critical...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. June 2011, 133(6): 062501.
Published Online: March 8, 2011
... ). Utilizing the results for Nu in the high Ra m range, a correlation is proposed between Nu and Ra C for Darcy numbers 10 − 6 ≤ Da ≤ 10 − 2 , encompassing the non-Darcy flow regime. 19 04 2010 13 01 2011 08 03 2011 08 03 2011 diffusion drag flow through porous media heat...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. June 2011, 133(6): 061501.
Published Online: March 2, 2011
... and the intensification of mass transfer caused by the Marangoni effect, the heat transfer characteristics of pseudo-dropwise condensation are tentatively formulated. The model involved an analysis of the diffusion process in the vapor boundary layer along with the heat transfer process through the condensate drops...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. May 2011, 133(5): 054505.
Published Online: February 3, 2011
... computational fluid dynamics convection diffusion distortion laminar flow non-Newtonian flow non-Newtonian fluids pipe flow viscosity Bingham fluid viscous dissipation convective heat transfer generalized Brinkman number duct flows The Bingham rheological model is frequently used...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. April 2011, 133(4): 042402.
Published Online: January 11, 2011
... of practical importance. Predictions of total thermal resistance for wire/substrate and particle/substrate combinations are made for the entire range of Knudsen number, with an emphasis on resolving transport in the mesoscopic regime where ballistic-diffusive mechanisms operate and analytical expressions...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. April 2011, 133(4): 042001.
Published Online: January 6, 2011
...Alexander Raymond; Srinivas Garimella Adsorption heat pumps and chillers (ADHPCs) can utilize solar or waste heat to provide space conditioning, process heating or cooling, or energy storage. In these devices, intraparticle diffusion is shown to present a significant mass transfer resistance...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. March 2011, 133(3): 031010.
Published Online: November 16, 2010
.... Treating food material as a porous medium, heat and mass transfer inside such material during its thermal processing is described using equations for mass and energy conservation that include binary diffusion, capillary and convective modes of transport, and physicochemical changes in the solid matrix...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. February 2011, 133(2): 024502.
Published Online: November 3, 2010
...I. V. Shevchuk The convective diffusion of feeding culture and the effect of fluid shear stress on endothelial cells are frequently investigated in cone-and-plate devices. Laminar fluid flow and heat and mass transfer in a cone-and-plate device, with cone apex touching the plate/disk, were...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. December 2010, 132(12): 121703.
Published Online: September 20, 2010
... and clarifying the combined roles of β and moisture diffusivity ( D = 1 × 10 − 8 – 1 × 10 − 5 m 2 / s ) on the mass transfer behavior, are obtained for practical applications. It is shown that the blockage augments the friction coefficients ( C f ) and Nusselt numbers (Nu) on the complete cylinder surface, where...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. October 2009, 131(10): 101011.
Published Online: July 31, 2009
... diffusion flow instability flow through porous media fluid oscillations Helmholtz equations refrigerators viscosity The study of convection processes in porous media is a well-developed field of investigation because of its importance to a variety of situations, for example, thermal insulation...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. August 2009, 131(8): 082701.
Published Online: June 1, 2009
... the diffusion-limited cluster-cluster aggregation algorithm in order to ensure a fractal dimension close to what is usually found with aggregates of silica nanoparticles. In this part we aim at identifying the radiative properties of the samples from the experimental data derived from optical measurements...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. June 2009, 131(6): 061501.
Published Online: April 2, 2009
... film evaporation diffusion triple line Evaporation from a meniscus serves as the basic mechanism in many two-phase cooling devices such as heat pipes, thermosyphons, vapor chambers, two-phase cold plates, and capillary pumped loops. Thin-film evaporation, which takes place near a solid...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 2009, 131(5): 052603.
Published Online: March 19, 2009
...Zhenjin Zhu; Jin Ho Zong; Chul B. Park; Manoj Choudhary This paper presents a numerical study to characterize the effect of loss of blowing agents on the thermal insulation properties of polystyrene foams. In this study, a transient cell-to-cell diffusion model is developed to predict the loss...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. May 2009, 131(5): 052601.
Published Online: March 17, 2009
...M. Eswaramurthi; P. Kandaswamy The buoyancy-driven transient double-diffusive convection in a square cavity filled with water-saturated porous medium is studied numerically. While the right and left side wall temperatures vary linearly from θ a to θ o and θ o to θ b , respectively, with height...