Journal of Heat Transfer: Recent submissions
Now showing items 1861-1880 of 3611
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Flow Boiling Dynamics of Water and Nanofluids in a Single Microchannel at Different Heat Fluxes
(The American Society of Mechanical Engineers (ASME), 2015)The preferable cooling solution for microelectronic systems could be forced flow boiling in micro heat exchangers. Nanoparticle deposition affects nucleate boiling via alteration of surface roughness, capillary wicking, ... -
Effective Thermal Conductivities of a Novel Fuzzy Fiber Reinforced Composite Containing Wavy Carbon Nanotubes
(The American Society of Mechanical Engineers (ASME), 2015)This article deals with the investigation of the effect of carbon nanotube (CNT) waviness on the effective thermal conductivities of a novel fuzzy fiberreinforced composite (FFRC). The distinctive feature of the construction ... -
Effect of Pore to Throat Size Ratio on Interfacial Heat Transfer Coefficient of Porous Media
(The American Society of Mechanical Engineers (ASME), 2015)In this study, the effects of pore to throat size ratio on the interfacial heat transfer coefficient for a periodic porous media containing inline array of rectangular rods are investigated, numerically. The continuity, ... -
Analysis of Fully Developed Opposing Mixed Convection Flow in an Inclined Channel Filled by a Nanofluid
(The American Society of Mechanical Engineers (ASME), 2014)In this paper, an analysis is made on the convective heat transfer of a nanofluid between two inclined parallel plates with a uniform heat flux boundary condition. The analytical solutions are obtained explicitly for the ... -
Numerical Study of Turbulent Flow and Convective Heat Transfer Characteristics in Helical Rectangular Ducts
(The American Society of Mechanical Engineers (ASME), 2014)Threedimensional turbulent forced convective heat transfer and its flow characteristics in helical rectangular ducts are simulated using SST k–د‰ turbulence model. The velocity field and temperature field at different ... -
Heat Transfer on Nanofluid Flow With Homogeneous–Heterogeneous Reactions and Internal Heat Generation
(The American Society of Mechanical Engineers (ASME), 2014)We investigated heat and mass transfer on water based nanofluid due to the combined effects of homogeneous–heterogeneous reactions, an external magnetic field and internal heat generation. The flow is generated by the ... -
Erratum: “Transient Temperature Response of Variable Flow Heat Exchangers in a Marnoch Heat Engine†[Journal of Heat Transfer, 2014, 136(11), p. 111801]
(The American Society of Mechanical Engineers (ASME), 2014)Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, Oshawa, ON L1H 7K4, Canada -
An Area Average Correlation for Oil Jet Cooling of Automotive Pistons
(The American Society of Mechanical Engineers (ASME), 2014)Laboratory tests were performed to measure cooling rates of an impinging oiljet on the underside of an automotive piston as functions of oil nozzletopiston surface spacing, oil pressure, oil temperature, and piston ... -
Entropy Generation Analysis of a Chemical Absorption Process Where Carbon Dioxide is Absorbed by Falling Monoethanolamine Solution Film
(The American Society of Mechanical Engineers (ASME), 2014)The present paper reports a study about entropy generation analysis for the case of chemical absorption of a gas into laminar falling liquid film. The CO2 absorption into monoethanolamine (MEA) aqueous solutions has been ... -
Ultrafast Spectroscopy of Electron Phonon Coupling in Gold
(The American Society of Mechanical Engineers (ASME), 2014)Transient reflectance of gold was measured using ultrafast spectroscopy by varying the wavelength of the probe laser beam in the visible range. Based on the band structure of gold, the influence of the probe beam wavelength ... -
Mixed Boundary Layer Skin Friction and Heat Transfer With Abrupt Transition
(The American Society of Mechanical Engineers (ASME), 2014)In the form that is commonly published in introductory textbooks, the classical problem of skin friction and heat transfer for a mixed laminar–turbulent boundarylayer flow on a flatplate with an abrupt transition is ... -
Closure to “Analysis of Asymmetric Disk Shaped and Flat Plate Heat Pipesâ€
(The American Society of Mechanical Engineers (ASME), 2014)We would like to thank Kim et al. for appreciating the importance of our work [1]. It should be noted that the introduction of a disk shaped heat pipe by us in the cited paper was done for the very first time in the ... -
Simulation of Phase Transition During Cryosurgical Treatment of a Tumor Tissue Loaded With Nanoparticles Using Meshfree Approach
(The American Society of Mechanical Engineers (ASME), 2014)In medical world, the minimally invasive freezing therapy or cryosurgery is an efficacious treatment for complete and controlled eradication of tumor cells. Many difficulties are encountered in cryosurgery process such as ... -
An Exploration of Transport Within Microdroplet and Nanodroplet Clusters During Dropwise Condensation of Water on Nanostructured Surfaces
(The American Society of Mechanical Engineers (ASME), 2014)Experimental studies of dropwise condensation have generally indicated that higher heat transfer coefficients correspond to smaller mean sizes for droplets growing through condensation on the surface. Recent investigations ... -
Comparisons of Radiative Heat Transfer Calculations in a Jet Diffusion Flame Using Spherical Harmonics and k Distributions
(The American Society of Mechanical Engineers (ASME), 2014)A new nongray radiation modeling library for combustion gases has been implemented in OpenFOAM. The spectral models for single species include gray, correlation tables and full spectrum kdistributions (FSK) assembled from ... -
Thermal Modeling and Experimental Validation for High Thermal Conductivity Heat Pipe Thermal Ground Planes
(The American Society of Mechanical Engineers (ASME), 2014)Thermal ground planes (TGPs) are flat, thin (external thickness of 2 mm) heat pipes which utilize twophase cooling. The goal is to utilize TGPs as thermal spreaders in a variety of microelectronic cooling applications. ... -
Discussion: “Analysis of Asymmetric Disk Shaped and Flat Plate Heat Pipes†(Vafai, K., Zhu, N., and Wang, W., 1995, ASME J. Heat Transfer, 117(1), pp. 209–218)
(The American Society of Mechanical Engineers (ASME), 2014)Using the indepth integral analysis, Vafai et al. [1] presented the asymmetric vapor velocity, the vapor and liquid pressure distributions, and the vapor temperature distribution of a diskshaped asymmetric heat pipe. ... -
In Memoriam: Professor Arthur E. Bergles (1935–2014), the Pioneering Advocate of Enhanced Heat Transfer and Energy Conservation
(The American Society of Mechanical Engineers (ASME), 2014)To accentuate the imperatives of tackling the multitude of engineering as well as socioeconomic issues attendant to the energy–water nexus, he would often paraphrase the dilemma of the poet Samuel T. Coleridge,1 “Energy ... -
Numerical Analysis of Heat Transfer and Pressure Drop in Metal Foams for Different Morphological Models
(The American Society of Mechanical Engineers (ASME), 2014)Because of their light weight, open porosity, high surface area per unit volume, and thermal characteristics, metal foams are a promising material for many industrial applications involving fluid flow and heat transfer. ... -
Heat Transfer Due to an Impinging Jet in a Confined Space
(The American Society of Mechanical Engineers (ASME), 2014)A numerical investigation using unsteady threedimensional Reynoldsaveraged Navier–Stokes (RANS) equations with the kد‰ SST (shear stress transport) turbulent model was conducted to determine the flow and thermal ...