Journal of Heat Transfer: Recent submissions
Now showing items 901-920 of 3611
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A Simplified Thermal Model and Comparison Analysis for a Stratospheric Lighter-Than-Air Vehicle
(The American Society of Mechanical Engineers (ASME), 2018)Transient thermal behavior modeling and simulation is a key issue in predicting flight performance of stratospheric lighter-than-air (LTA) vehicles, such as airships or balloons. To reduce computational load of the transient ... -
Corrections for the Hydrodynamic Instability-Based Critical Heat Flux Models in Pool Boiling—Effects of Viscosity and Heating Surface Size
(The American Society of Mechanical Engineers (ASME), 2018)This paper presents corrections for existing hydrodynamic instability-based critical heat flux (CHF) models in pool boiling by taking into account the effect of the viscosity, geometry and size of the liquid–vapor interface. ... -
Foreword to Special Issue on Micro/Nanoscale Heat and Mass Transfer—Part II
(The American Society of Mechanical Engineers (ASME), 2018) -
Experimental and Numerical Visualization of Heat Transfer and Hydrodynamics Induced by Double Droplet Train Impingement
(The American Society of Mechanical Engineers (ASME), 2018)The objective of this study was to visualize and simulate the thermal physical process during double droplet train impingement for three different horizontal impact spacings (S = 0.65 mm, 1.2 mm and 2 mm). Two identical ... -
Analysis of the Interchange Rate and Pressure Gradient of Annular Flow Based on a Probability Model
(The American Society of Mechanical Engineers (ASME), 2018)The phase distribution and mechanical properties of annular flow have obvious, random characteristics because of the influence of turbulence. Thus, probability analysis is a suitable method for the study of annular flow. ... -
Time-Fractional Hygrothermoelastic Problem for a Sphere Subjected to Heat and Moisture Flux
(The American Society of Mechanical Engineers (ASME), 2018)In this paper, a non-Fourier model of heat conduction and moisture diffusion coupling is proposed. We study a hygrothermal elastic problem within the framework of time-fractional calculus theory for a centrally symmetric ... -
Experimental Study on the Enhancement of Mass Transfer Utilizing Fe3O4 Nanofluids
(The American Society of Mechanical Engineers (ASME), 2018)The absorption air-conditioning system is a low-power-consumption and low-noise system and is also good at balancing the electricity peak-valley system. It can be driven by low-grade energy, such as solar energy and ... -
Thermal and Flow Characteristics of Water–Nitrogen Taylor Flow Inside Vertical Circular Tubes
(The American Society of Mechanical Engineers (ASME), 2018)Heat transfer and flow characteristics of Taylor flows in vertical capillaries with tube diameters ranging from 0.5 mm to 2 mm were studied numerically with the volume of fluid (VOF) method. Streamlines, bubble shapes, ... -
Nanoparticle Aggregation in Ionic Solutions and Its Effect on Nanoparticle Translocation Across the Cell Membrane
(The American Society of Mechanical Engineers (ASME), 2018)Nanoparticle (NP) aggregation can not only change the unique properties of NPs but also affect NP transport and membrane penetration behavior in biological systems. Coarse-grained (CG) molecular dynamics (MD) simulations ... -
Optimizing the Interfacial Thermal Conductance at Gold–Alkane Junctions From “First Principles”
(The American Society of Mechanical Engineers (ASME), 2018)We theoretically explore the influence of end-group chemistry (bond stiffness and mass) on the interfacial thermal conductance at a gold–alkane interface. We accomplish this using the nonequilibrium Green's function (NEGF) ... -
Large Eddy Simulation of the Elliptic Jets in Film Cooling Controlled by Dielectric Barrier Discharge Plasma Actuators With an Improved Model
(The American Society of Mechanical Engineers (ASME), 2018)The dielectric barrier discharge (DBD) plasma actuator, in which electrodes are asymmetric arranged, has already demonstrated its ability in flow control. In the present work, the configuration of DBD plasma actuator defined ... -
Low-Temperature Distillation Process for CO2/CH4 Separation: A Study for Avoiding CO2 Freeze-Out
(The American Society of Mechanical Engineers (ASME), 2018)In published literature, only very limited studies were carried out for low-temperature biogas upgrading for CO2/CH4 mixture separation due to the freeze-out of CO2 under low temperature, which causes several operational ... -
Improving the Supercooling Degree of TiO2 Suspensions by Coupling With Zirconium Phosphate Nanoplatelets
(The American Society of Mechanical Engineers (ASME), 2018)Phase-change materials (PCM) with low supercooling degree (SD) are important in cold thermal energy storage (CTES) applications. The SD of nanosuspension PCM usually decreases with increasing nanoparticle concentration. ... -
Direct Simulation of Interstitial Heat Transfer Coefficient Between Paraffin and High Porosity Open-Cell Metal Foam
(The American Society of Mechanical Engineers (ASME), 2018)The interstitial heat transfer coefficient (IHTC) is a key parameter in the two-energy equation model usually employed to investigate the thermal performance of high porosity open-cell metal foam/paraffin composite phase ... -
Natural Convection Heat Transfer Experiments in Fluoride Salt
(The American Society of Mechanical Engineers (ASME), 2018)A liquid fluoride salt experiment has been constructed and used to acquire natural convection heat transfer data. The experiment used FLiNaK salt in a small cell that included a cylindrical electrical heater, 1.27 cm in ... -
Analysis of Heat Transfer and Entropy Generation in a Channel Partially Filled With N-Layer Porous Media
(The American Society of Mechanical Engineers (ASME), 2018)Convective heat transfer in a channel partially filled with porous medium has received a lot of attention due to its wide engineering applications. However, most researches focused on a channel partially filled with single ... -
Thermal and Fluid Transport in Micro-Open-Cell Metal Foams: Effect of Node Size
(The American Society of Mechanical Engineers (ASME), 2018)Open-cell metal foams exhibit distinctive advantages in fluid control and heat transfer enhancement in thermal and chemical engineering. The thermofluidic transport characteristics at pore scale such as topological ... -
Investigation of the Use of an Inorganic Aqueous Solution in Copper-Made Phase-Change Heat Transfer Devices
(The American Society of Mechanical Engineers (ASME), 2018)A novel inorganic aqueous solution (IAS) is shown to have a better heat transfer performance than water when used as the working fluid in copper-made phase-change heat transfer devices. First, the physical properties of ... -
Hydrodynamic Effects on Particle Deposition in Microchannel Flows at Elevated Temperatures
(The American Society of Mechanical Engineers (ASME), 2018)Particulate fouling and particle deposition at elevated temperature are crucial issues in microchannel heat exchangers. In this work, a microfluidic system was designed to examine the hydrodynamic effects on the deposition ... -
Experimental Study of Water Flow and Heat Transfer in Silicon Micro-Pin-Fin Heat Sinks
(The American Society of Mechanical Engineers (ASME), 2018)An experimental study is performed to investigate water flow and heat transfer characteristics in silicon micro-pin-fin heat sinks with various pin–fin configurations and a conventional microchannel, with a length of 25 mm, ...