Journal of Heat Transfer: Recent submissions
Now showing items 1721-1740 of 3611
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Effect of Particle Concentration on Shape Deformation and Secondary Atomization Characteristics of a Burning Nanotitania Dispersion Droplet
(The American Society of Mechanical Engineers (ASME), 2015)Secondary atomization characteristics of burning bicomponent (ethanol–water) droplets containing titania nanoparticles (NPs) in dilute (0.5% and 1 wt.%) and dense concentrations (5% and 7.5 wt.%) are studied experimentally ... -
Robust Heat Transfer Enhancement During Melting and Solidification of a Phase Change Material Using a Combined Heat Pipe Metal Foam or Foil Configuration
(The American Society of Mechanical Engineers (ASME), 2015)Experiments are performed to analyze melting and solidification of a phase change material (PCM) enclosed in a vertical cylinder by a concentrically located heat pipe (HP) surrounded by either aluminum foam or radial ... -
Numerical Investigations on Heat Transfer of Self Sustained Oscillation of a Turbulent Jet Flow Inside a Cavity
(The American Society of Mechanical Engineers (ASME), 2015)Computations of heat transfer and fluid flow of a plane isothermal fully developed turbulent plane jet flowing into a rectangular hot cavity are reported in this paper. Both velocity and temperature distributions are ... -
Performance Evaluation of Heat Transfer Enhancement for Offset Strip Fins Used in Plate Fin Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2015)In general, offset strip fin (OSF) used in platefin heat exchangers is able to provide a greater heat transfer coefficient than the plain fin with the same cross section, but it will also cause the increase of flow friction ... -
Exact Multiple Solutions for the Slip Flow and Heat Transfer in a Converging Channel
(The American Society of Mechanical Engineers (ASME), 2015)A special case of Falkner–Skan flows past stretching boundaries is considered when the momentum and thermal slip boundary conditions are allowed at the boundary. Exact analytical solutions are found for the converging ... -
A Novel Application of the Thermal Probe: Nonlinear and Phase Change Problems
(The American Society of Mechanical Engineers (ASME), 2015)This paper reports on a new application of the thermal probe in nonlinear systems. Whereas the thermal probe has been originally developed to determine the thermal conductivity in linear cases (where the thermophysical ... -
Exact Analytical Solution for Unsteady Heat Conduction in Fiber Reinforced Spherical Composites Under the General Boundary Conditions
(The American Society of Mechanical Engineers (ASME), 2015)The current study presents an exact analytical solution for unsteady conductive heat transfer in multilayer spherical fiberreinforced composite laminates. The orthotropic heat conduction equation in spherical coordinate ... -
Flooded Two Phase Flow Dynamics and Heat Transfer With Engineered Wettability on Microstructured Surfaces
(The American Society of Mechanical Engineers (ASME), 2015)Due to excessive droplet feeding, a period of flooding occurs as part of a typical droplet based thermal management cycle. The conventional superhydrophilic surface, which is designed for thin film evaporation because of ... -
Thermal Effect on Microchannel Electro osmotic Flow With Consideration of Thermodiffusion
(The American Society of Mechanical Engineers (ASME), 2015)Electroosmotic flow (EOF) is widely used in microfluidic systems. Here, we report an analysis of the thermal effect on EOF under an imposed temperature difference. Our model not only considers the temperaturedependent ... -
Stability and Thermophysical Properties of Binary Propanol–Water Mixtures Based Microencapsulated Phase Change Material Suspensions
(The American Society of Mechanical Engineers (ASME), 2015)In order to obtain stable latent functionally thermal fluids for heat transfer and heat storage, microencapsulated phase change material (MPCM) suspensions with binary propanol–water mixtures of different proportions as ... -
Thermal Radiative Properties of a Two Dimensional Silicon Carbide Grating Mediated With a Photonic Crystal
(The American Society of Mechanical Engineers (ASME), 2015)We present in this paper numerical simulation results of the thermal radiative properties of a twodimensional (2D) rectangular SiC grating atop a photonic crystal (PC). The results show that surface phonon polaritons (SPhPs) ... -
Quantifying the Growth Rate and Morphology of Ice Crystals Growth in Cryoprotectants Via High Speed Camera and Cryomicroscope
(The American Society of Mechanical Engineers (ASME), 2015)Recently, several significant progresses have been made on the studies of extracellular and intracellular ice formation based on highspeed camera and cryomicroscope. This experimental methodology could accurately capture ... -
A Comparative Experimental Study on Radiative Properties of EB PVD and Air Plasma Sprayed Thermal Barrier Coatings
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, the radiative properties of electron beam physical vapor deposition (EBPVD) and air plasma sprayed (APS) partially yttria stabilized zirconia (YSZ) thermal barrier coatings (TBCs) have been comparatively ... -
Theoretical Analysis and Testing of Nanofluids Based Solar Photovoltaic/Thermal Hybrid Collector
(The American Society of Mechanical Engineers (ASME), 2015)Solar energy can be harvested via thermal, photovoltaic, and photovoltaic/thermal (PV/T) hybrid technologies. PV/T systems are advantageous because they utilize more of the solar spectrum and achieve a higher combined ... -
Synthesis and Heat Transfer Performance of Phase Change Microcapsule Enhanced Thermal Fluids
(The American Society of Mechanical Engineers (ASME), 2015)Polyalphaolefins (PAOs) are widely implemented for electronics cooling, but suffer from a low thermal conductivity of about 0.14 W/mK. However, adding thermally conductive, phasechangematerial (PCM) particles to a PAO ... -
Investigation on Carbon Nanotubes as Thermal Interface Material Bonded With Liquid Metal Alloy
(The American Society of Mechanical Engineers (ASME), 2015)Vertically aligned carbon nanotube (VACNT) films with high thermal conductance and mechanical compliance offer an attractive combination of properties for thermal interface applications. In current work, VACNT films ... -
A Numerical Study of Droplet Splitting and Merging in a Parallel Plate Electrowetting on Dielectric Device
(The American Society of Mechanical Engineers (ASME), 2015)Microwater droplet splitting and merging in a parallelplate electrowettingondielectric (EWOD) device have been studied numerically. The transient governing equations for the microfluidic flow are solved by a finite volume ... -
Atomistic Continuum Hybrid Simulation of Heat Transfer Between Argon Flow and Copper Plates
(The American Society of Mechanical Engineers (ASME), 2015)A simulation work aiming to study heat transfer coefficient between argon fluid flow and copper plate is carried out based on atomisticcontinuum hybrid method. Navier–Stokes equations for continuum domain are solved ... -
Enhanced Specific Heat Capacity of Molten Salt Based Carbon Nanotubes Nanomaterials
(The American Society of Mechanical Engineers (ASME), 2015)This study aims to investigate the specific heat capacity of a carbonate salt eutecticbased multiwalled carbon nanomaterial (or high temperature nanofluids). The specific heat capacity of the nanomaterials was measured ... -
Ultrasonic Effect on Heat Transfer Performance of Oscillating Heat Pipes
(The American Society of Mechanical Engineers (ASME), 2015)The ultrasonic effect on the heat transfer performance in oscillating heat pipes (OHPs) was investigated experimentally. Ultrasonic sound was applied to the evaporating section of the OHP by using electrically controlled ...