Journal of Heat Transfer: Recent submissions
Now showing items 361-380 of 3611
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Limited Enhancement of Subatmospheric Boiling on Treated Structured Surfaces With Biphilic Pattern
(The American Society of Mechanical Engineers (ASME), 2021)Boiling heat transfer suffers deteriorations under subatmospheric conditions, which can be attributed to a shortage of viable nucleation sites at declining pressures. In this work, the possibility of enhancing low-pressure ... -
Air Cooling of Power Electronics Through Vertically Enhanced Manifold Microchannel Systems (VEMMS)
(The American Society of Mechanical Engineers (ASME), 2021)To improve the reliability and efficiency of power electronics, their thermal management must be further enhanced. Next-generation electronics systems are predicted to dissipate more heat as die size shrinks and power ... -
Fundamental Issues and Technical Problems About Pulsating Heat Pipes
(The American Society of Mechanical Engineers (ASME), 2021)Since their introduction in the early 1990s, pulsating heat pipes (PHPs) have received a lot of attention due to their obvious advantages such as their geometrical simplicity, and their potential for high-heat flux ... -
Hydrodynamics and Interfacial Surfactant Transport in Vascular Gas Embolism
(The American Society of Mechanical Engineers (ASME), 2021)Vascular gas embolism—bubble entry into the blood circulation - is pervasive in medicine, including over 340,000 cardiac surgery patients in the U.S. annually. The gas–liquid interface interacts directly with constituents ... -
The Past and Future of the Monte Carlo Method in Thermal Radiation Transfer
(The American Society of Mechanical Engineers (ASME), 2021)Since its initial development as a specialty technique for modeling neutron transport in fissile materials almost 80 years ago, the Monte Carlo method has since been deployed in almost every area of science and engineering, ... -
Special Issue: Innovations and Advancements in Heat & Mass Transfer: Celebrating the Legacy of Professor Ephraim M. Sparrow
(The American Society of Mechanical Engineers (ASME), 2021)The passing of Professor Ephraim M. Sparrow on Aug. 1, 2019, left a large void in the worldwide heat and mass transfer community. To many in the field, he was an intellectual giant, who famously was the “most cited” ... -
Sensitivity of the Non-Equilibrium Approach for Mixture Condensation to Heat and Mass Transfer Correlations and Thermophysical Properties
(The American Society of Mechanical Engineers (ASME), 2021)The prediction of mixture condensation is still complex due to the coupled heat and mass transfer and insufficient data of thermophysical mixture properties. This article analyzes the impact of various heat and mass transfer ... -
Heat Transfer From a Concentrated Tip Source in Falkner–Skan Flow
(The American Society of Mechanical Engineers (ASME), 2021)The Falkner–Skan flow over a wedge is classic in boundary layer theory. We consider the heat or mass transfer from a source at the vertex of the wedge. The interactions of the thermal boundary layer and momentum boundary ... -
Heat Transfer Enhancement Feature of the Non-Fourier Cattaneo–Christov Heat Flux Model
(The American Society of Mechanical Engineers (ASME), 2021)Cattaneo–Christov heat flux model was proposed to remedy the weakness of the traditional Fourier heat flux model to maintain the finite travel time of heat. The literature is replete with numerical studies to understand ... -
Unsteady Magnetohydrodynamics Stagnation-Point Flow of Fractional Oldroyd-B Fluid Over a Stretching Sheet With Modified Fractional Fourier's Law
(The American Society of Mechanical Engineers (ASME), 2021)The aim of the article is to research the unsteady magnetohydrodynamic stagnation-point flow of fractional Oldroyd-B fluid over a stretched sheet. According to the distribution characteristics of pressure and magnetic field ... -
Grain Temperature-Dependent Thermal Properties Estimation Using FI-QPSO Algorithm
(The American Society of Mechanical Engineers (ASME), 2021)A hybrid fuzzy inference-quantum particle swarm optimization (FI-QPSO) algorithm is developed to estimate the temperature-dependent thermal properties of the grain. The fuzzy inference scheme is established to determine ... -
The Effect of a Segmented Wall Filled With Phase Change Material on Heat Transfer and Airflow in a Closed Cavity
(The American Society of Mechanical Engineers (ASME), 2021)The heat transfer effect of a sectioned wall made of five volumes filled with a phase change material (PCM) coupled to an air cavity is presented. The analysis system was equipped with a heat source next to the sectioned ... -
Investigation on the Impact of Angle Dependency and Polarization on Radiation Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2021)In the semiconductor industry, there is an increasing demand for thermal stability to optimize the performance of lithography machines. This results in a need for computational tools that are able to accurately model ... -
Effect of Acoustic Streaming on Heat Transfer of Porous Composite Phase Change Material by Using Lattice Boltzmann Simulation
(The American Society of Mechanical Engineers (ASME), 2021)In this paper, the lattice Boltzmann (LB) method was used to simulate the flow and heat transfer process in porous composite phase change material (PCM) with acoustic streaming, to investigate the mechanism of heat transfer ... -
Numerical Computation on Natural Convection Heat Transfer From an Isothermal Sphere With Semicircular Ribs
(The American Society of Mechanical Engineers (ASME), 2021)For the very first time, this study attempts to address the heat dissipation from an isothermal ribbed sphere under the action of pure natural convection. Semicircular ribs of different radii are superimposed azimuthally ... -
Pulsating Film-Cooling Flow Over Smooth Cutback Surface at Airfoil Trailing Edge Measured by 2D3C-PTV
(The American Society of Mechanical Engineers (ASME), 2021)The objective of this study is to clarify the effects of the film-cooling flow pulsation and the differences between the Strouhal number ratios of 1.0 and √2. The surface-averaged film cooling effectiveness for the Strouhal ... -
Convective Heat Transfer of Laminar Swirling Pipe Flow With Viscous Dissipation Effects
(The American Society of Mechanical Engineers (ASME), 2021)The oil-water-gas separation is a critical aspect of the treatment of production flows in the oil industry. The segregation of gas bubbles and/or water droplets dispersed in viscous oil by an in-line swirling flow separator ... -
Plume Stability During Direct Contact Condensation of Steam in a Crossflow of Subcooled Water, at High Mass Flux and With a Small Nozzle Diameter
(The American Society of Mechanical Engineers (ASME), 2021)The stability of a steam plume during direct-contact condensation into a crossflow of subcooled water is investigated for mass fluxes that are higher (>600 kg/m2s) and a nozzle diameter (2.4 mm) that is smaller than ... -
Two-Dimensional Flow Boiling Characteristics With Wettability Surface in Microgap Heat Sink and Heat Transfer Prediction Using Artificial Neural Network
(The American Society of Mechanical Engineers (ASME), 2021)As technology becomes increasingly miniaturized, thermal management becomes challenging to keep devices away from overheating due to extremely localized heat dissipation. Two-phase cooling or flow boiling in microspaces ... -
Atomic-Level, Energy-Conversion Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2021)Heat is stored in quanta of kinetic and potential energies in matter. The temperature represents the equilibrium and excited occupation (boson) of these energy conditions. Temporal and spatial temperature variations and ...