Journal of Heat Transfer: Recent submissions
Now showing items 1741-1760 of 3611
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A Particle Continuum Hybrid Framework for Transport Phenomena and Chemical Reactions in Multicomponent Systems at the Micro and Nanoscale
(The American Society of Mechanical Engineers (ASME), 2015)The particlecontinuum hybrid Laplacian method is extended as a framework for modeling all transport phenomena in fluids at the micro and nanoscale including multicomponent mass transfer and chemical reactions. The method ... -
Numerical Model of Thermoelectric Topping Cycle of Coal Fired Power Plant
(The American Society of Mechanical Engineers (ASME), 2015)Traditional fossil fuel power generation process typically has low efficiency. Large amount of the energy loss in Rankine cycle steam turbines (ST) is due to the temperature difference between the combustion flame temperature ... -
Modeling the Optical and Radiative Properties of Vertically Aligned Carbon Nanotubes in the Infrared Region
(The American Society of Mechanical Engineers (ASME), 2015)During the past decade, research on carbon nanotubes has revealed potential advances in thermal engineering applications. The present study investigates the radiative absorption and reflection of vertically aligned carbon ... -
Thermal Electrical Property Effects of Bone Structure on the Magnetic Nanoparticle Enhanced Hyperthermia Targeting Tumor Underneath the Ribs
(The American Society of Mechanical Engineers (ASME), 2015)Bone has very different thermal and electrical properties with the surrounding tissues. Misjustification of the heating dosage during an electromagnetic (EM) hyperthermia may lead to the failure of the treatment. Here ... -
Pool Boiling Enhancement by Electrohydrodynamic Force and Diamond Coated Surfaces
(The American Society of Mechanical Engineers (ASME), 2015)Boiling heat transfer enhancement via compound effect of the electrohydrodynamic (EHD) effect and microstructured surfaces has been experimentally and analytically investigated. A fluorinated dielectric liquid (Asahi Glass ... -
Indirect Involvement of Amorphous Carbon Layer on Convective Heat Transfer Enhancement Using Carbon Nanofibers
(The American Society of Mechanical Engineers (ASME), 2015)In this work, an experimental heat transfer investigation was carried out to investigate the combined influence of both amorphous carbon (aC) layer thickness and carbon nanofibers (CNFs) on the convective heat transfer ... -
Enhanced Mass Transfer Rates in Nanofluids: Experiments and Modeling
(The American Society of Mechanical Engineers (ASME), 2015)Enhancement in carbon dioxide absorption in water has been studied using SiO2 and TiO2 nanoparticles using the capillary tube apparatus for which previous results on Fe3O4 nanoparticles were reported earlier. Enhancements ... -
Numerical Solutions of Nano/Microphenomena Coupled With Macroscopic Process of Heat Transfer and Fluid Flow: A Brief Review
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, numerical simulation approaches for multiscale process of heat transfer and fluid flow are briefly reviewed, and the existing coupling algorithms are summarized. These molecular dynamics simulation (MDS)–finite ... -
Effects of Free Surface Evaporation on Water Nanodroplet Wetting Kinetics: A Molecular Dynamics Study
(The American Society of Mechanical Engineers (ASME), 2015)The wetting kinetics of a water nanodroplet undergoing evaporation on a heated gold substrate were examined using molecular dynamics (MD) simulations. Various substrate and initial droplet temperatures were used to obtain ... -
Multiscale Study of Gas Slip Flows in Nanochannels
(The American Society of Mechanical Engineers (ASME), 2015)A multiscale modeling of the anisotropic slip phenomenon for gas flows is presented in a treestep approach: determination of the gas–wall potential, simulation and modeling of the gas–wall collisions, simulation and ... -
Analysis of Galinstan Based Microgap Cooling Enhancement Using Structured Surfaces
(The American Society of Mechanical Engineers (ASME), 2015)Analyses of microchannel and microgap cooling show that galinstan, a recently developed nontoxic liquid metal that melts at −19 آ°C, may be more effective than water for direct liquid cooling of electronics. The thermal ... -
Improved Treatment of Anisotropic Scattering for Ultrafast Radiative Transfer Analysis
(The American Society of Mechanical Engineers (ASME), 2015)The necessity of conserving both scattered energy and asymmetry factor for ballistic incidence after finite volume method (FVM) or discreteordinates method (DOM) discretization is shown. A phasefunction normalization ... -
The Effects of Entrainment on Pore Shape in Keyhole Mode Welding
(The American Society of Mechanical Engineers (ASME), 2015)This study theoretically investigates the effects of the entrainment accompanying mass, momentum, and energy transport on pore size during high power density laser and electron beam welding processes. The physics of ... -
Hotspot Size Dependent Thermal Boundary Conductance in Nondiffusive Heat Conduction
(The American Society of Mechanical Engineers (ASME), 2015)Thermal transport across interfaces can play a critical role in nanosystems for thermal management and thermal energy conversion. Here, we show the dependence of the thermal boundary conductance (G) of the interface between ... -
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Foreword to Special Issue on Advances in Micro/Nanoscale Heat and Mass Transfer
(The American Society of Mechanical Engineers (ASME), 2015)The 4th ASME Micro/Nanoscale Heat and Mass Transfer International Conference (MNHMT2013) was held at The University of Hong Kong, Hong Kong, during December 11–14, 2013 (http://www.asmeconferences.org/MNHMT2013/). It is ... -
Thermosolutocapillary Convection in an Open Rectangular Cavity With Dynamic Free Surface
(The American Society of Mechanical Engineers (ASME), 2015)Thermosolutocapillary convection within a rectangular cavity with dynamic free surface is numerically investigated in the absence of gravitational effects. Both the temperature and solute concentration gradients are applied ... -
Visualization of Multiscale Processes Bubble Dynamics in Surface Active Colloids
(The American Society of Mechanical Engineers (ASME), 2015)The growth dynamics of isolated gas bubbles from a submerged capillarytube orifice in a pool of aqueous solution of Cetyl Trimethyl Ammonium Bromide (CTAB) was studied by multiscale modeling. The macroscale bubble ebullience ... -
Optimal Time Varying Heat Transfer in Multilayered Packages With Arbitrary Heat Generations and Contact Resistance
(The American Society of Mechanical Engineers (ASME), 2015)Integrating the cooling systems of power electronics and electric machines (PEEMs) with other existing vehicle thermal management systems is an innovative technology for the nextgeneration hybrid electric vehicles (HEVs). ... -
Thermal Properties of Silica Aerogel Formula
(The American Society of Mechanical Engineers (ASME), 2015)The thermal conductivity of silica aerogel developed in this research program was measured using the transient hotwire technique. The thermal conductivity of monolithic samples drops significantly from 9.3 mW/m آ·â€‰K ...