Journal of Heat Transfer: Recent submissions
Now showing items 2081-2100 of 3611
-
The Wall Heat Transfer Phenomenon of Premixed CH4/Air Catalytic Combustion in a Pt Coated Microtube
(The American Society of Mechanical Engineers (ASME), 2014)In this paper, a 2D model with detailed heterogeneous chemical mechanism has been employed to investigate the heat transfer phenomenon of premixed CH4/air catalytic combustion in a Pt coated microtube. Especially, the ... -
Discussion on: Assis, E., Ziskind, G., and Letan, R., 2009, “Numerical and Experimental Study of Solidification in a Spherical Shell,†ASME J. Heat Transfer, 131, p. 024502
(The American Society of Mechanical Engineers (ASME), 2014)Assis et al. [1] gave a numerical model for solidification in spheres considering curvilinear geometry, shrinkage of phase change material (pcm) and air gap variation for the material RT27. Their numerical results of melt ... -
Heat in Computers: Applied Heat Transfer in Information Technology
(The American Society of Mechanical Engineers (ASME), 2014)Since the advent of modern electronics technology, heat transfer science and engineering has served in the development of computer technology. The computer as an object of heat transfer research has a unique aspect; it ... -
Free Convection in Antisymmetrically Heated Vertical Channels
(The American Society of Mechanical Engineers (ASME), 2014)Free convection in a vertical channel with antisymmetrical heating is a special case that has not received a great deal of attention in the literature. Antisymmetrical heating is where the hot wall is heated above the ... -
Heat Transfer Evaluation on Curved Boundaries in Thermal Lattice Boltzmann Equation Method
(The American Society of Mechanical Engineers (ASME), 2014)An efficient and accurate approach for heat transfer evaluation on curved boundaries is proposed in the thermal lattice Boltzmann equation (TLBE) method. The boundary heat fluxes in the discrete velocity directions of the ... -
Isoflux Nusselt Number and Slip Length Formulae for Superhydrophobic Microchannels
(The American Society of Mechanical Engineers (ASME), 2014)We analytically and numerically consider the hydrodynamic and thermal transport behavior of fully developed laminar flow through a superhydrophobic (SH) parallelplate channel. Hydrodynamic slip length, thermal slip length ... -
Combined Kinetic Monte Carlo—Molecular Dynamics Approach for Modeling Phonon Transport in Quantum Dot Superlattices
(The American Society of Mechanical Engineers (ASME), 2014)A new kinetic Monte Carlo method for modeling phonon transport in quantum dot superlattices is presented. The method uses phonon scattering phase functions and cross sections to describe collisions between phonons and ... -
Mixed Convection Stagnation Point Flow Past a Vertical Flat Plate With a Second Order Slip
(The American Society of Mechanical Engineers (ASME), 2014)An exact similarity solution of the steady mixed convection flow of a viscous and incompressible fluid in the vicinity of twodimensional stagnationpoint with a secondorder slip condition has been investigated. Using ... -
Convective Instability of the Darcy Flow in a Horizontal Layer With Symmetric Wall Heat Fluxes and Local Thermal Nonequilibrium
(The American Society of Mechanical Engineers (ASME), 2014)The linear stability of the parallel Darcy throughflow in a horizontal plane porous layer with impermeable boundaries subject to a symmetric net heating or cooling is investigated. The onset conditions for the secondary ... -
Completely Spectral Collocation Solution of Radiative Heat Transfer in an Anisotropic Scattering Slab With a Graded Index Medium
(The American Society of Mechanical Engineers (ASME), 2014)A completely spectral collocation method (CSCM) is developed to solve radiative transfer equation in anisotropic scattering medium with graded index. Different from the Chebyshev collocation spectral method based on the ... -
Numerical Prediction of Turbulent Flow and Heat Transfer Enhancement in a Square Passage With Various Truncated Ribs on One Wall
(The American Society of Mechanical Engineers (ASME), 2014)Repeated ribs are often employed in the midsection of internal cooling passages of turbine blades to augment the heat transfer by air flowing through the internal ribbed passages. Though the research of flow structure and ... -
Effect of Rotation on Detailed Heat Transfer Distribution for Various Rib Geometries in Developing Channel Flow
(The American Society of Mechanical Engineers (ASME), 2014)The effects of Coriolis force and centrifugal buoyancy have a significant impact on heat transfer behavior inside rotating internal serpentine coolant channels for turbine blades. Due to the complexity of added rotation ... -
Nonlocal Modeling and Swarm Based Design of Heat Sinks
(The American Society of Mechanical Engineers (ASME), 2014)Cooling electronic chips to satisfy the everincreasing heat transfer demands of the electronics industry is a perpetual challenge. One approach to addressing this is through improving the heat rejection ability of aircooled ... -
Apparent Temperature Jump and Thermal Transport in Channels With Streamwise Rib and Cavity Featured Superhydrophobic Walls at Constant Heat Flux
(The American Society of Mechanical Engineers (ASME), 2014)This paper presents an analytical investigation of constant property, steady, fully developed, laminar thermal transport in a parallelplate channel comprised of metal superhydrophobic (SH) walls. The superhydrophobic walls ... -
Thermal Insulators' Performances in Simulated Mars Environment
(The American Society of Mechanical Engineers (ASME), 2014)This paper describes the experimental characterization of the thermal insulation properties of a multilayer insulator (MLI) and of an aerogel. Materials characterization was performed to optimize the thermal control design ... -
The Influence of Carbon Nanotube Aspect Ratio on Thermal Conductivity Enhancement in Nanotube–Polymer Composites
(The American Society of Mechanical Engineers (ASME), 2014)We report and model a linear increase in the thermal conductivity (خ؛) of polymer composites incorporated with relatively low length/diameter aspect ratio multiwalled carbon nanotubes (CNTs). There was no evidence of ... -
Modeling and Experimental Characterization of Metal Microtextured Thermal Interface Materials
(The American Society of Mechanical Engineers (ASME), 2014)A metal microtextured thermal interface material (MMTTIM) has been proposed to address some of the shortcomings of conventional TIMs. These materials consist of arrays of smallscale metal features that plastically deform ... -
Numerical Investigations on the Heat Transfer Behavior of Brush Seals Using Combined Computational Fluid Dynamics and Finite Element Method
(The American Society of Mechanical Engineers (ASME), 2013)Brush seals have been applied in more and more challenging hightemperature locations. The high speed bristlerotor friction causes a considerable heat generation which accelerates the bristles wear. The frictional heat ... -
A Methodology to Solve 2D and Axisymmetric Radiative Transfer Problems Using a General 3D Solver
(The American Society of Mechanical Engineers (ASME), 2013)A method to solve the radiative transfer equation (RTE) for absorbingemitting and/or scattering media for 2D and axisymmetric geometries using a general 3D solver with a special treatment of the boundary condition in the ... -
Effect of Morphology on Spectral Radiative Properties of Three Dimensionally Ordered Macroporous Ceria Packed Bed
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, radiative characterization of a packed bed of novel threedimensionally ordered macroporous (3DOM) ceria particles is performed in the spectral range relevant to solar thermochemical processes, 0.35–2.2 خ¼m. ...