Journal of Heat Transfer: Recent submissions
Now showing items 121-140 of 3611
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Geodesic Convolutional Neural Network Characterization of Macro-Porous Latent Thermal Energy Storage
(The American Society of Mechanical Engineers (ASME), 2023)High-temperature latent heat thermal energy storage with metallic alloy phase change materials (PCMs) utilize the high latent heat and high thermal conductivity to gain a competitive edge over existing sensible and latent ... -
Search for an Optimum in Thermal Systems and Processes
(The American Society of Mechanical Engineers (ASME), 2023)This paper considers the optimization of thermal systems and processes, which are of interest in a wide range of practical applications, on the basis of mathematical and numerical modeling as well as experimental data. ... -
Combined Radiation and Convection in Developing Flow in a Parallel Plate Channel With Real Gas Behavior: The Case of Gas Cooling
(The American Society of Mechanical Engineers (ASME), 2023)The effect of real gas volumetric radiation on the thermal development in laminar parallel plate channel flow of H2O and/or CO2 in the case of gas cooling has been investigated numerically. The nongray radiation effects ... -
Modulation of Heat Transfer in a Porous Burner Based on Triply Periodic Minimal Surface
(The American Society of Mechanical Engineers (ASME), 2023)The list of reacting flows in porous media applications is quite long, including porous media combustion, syngas production, and fuel cells. Porous media combustion is recognized as a cutting-edge combustion technique for ... -
Comparison of Radiation-Conduction Transfer Involving Complex Solid Shapes Determined by Topological Optimization and a Heuristic Technique
(The American Society of Mechanical Engineers (ASME), 2023)A solid growth method (SGM) and a dual solid method (DSM), both recently developed, are each used to predict solid shapes that provide minimal total (conduction + radiation) resistance to heat transfer in a system involving ... -
Thin Transparent Photothermal Coatings for Rapid Defogging in Automotive Applications
(The American Society of Mechanical Engineers (ASME), 2023)Counteracting surface fogging to maintain surface transparency is significant to a variety of applications, including automotive lighting. Current energy-neutral approaches mostly rely on engineering the surface wettability, ... -
Enhancement of Liquid Sodium (Na) Forced Convection Within Miniature Heat Sinks
(The American Society of Mechanical Engineers (ASME), 2023)This investigation is devoted to evaluating the thermal hydraulics behavior of sodium-based (Na) miniature heat sinks. The investigated geometrical parameters cover a range of 0.143–1 for heat sink aspect ratios, 0.267–21.7 mm ... -
Inverse Methods in Thermal Radiation Analysis and Experiment
(The American Society of Mechanical Engineers (ASME), 2023)Most thermal radiation problems are analyzed in a “forward” manner, in which the aim is to predict the response of a system based on well-defined boundary conditions. In practice, however, many thermal radiation problems ... -
In Memoriam: Raymond Viskanta
(The American Society of Mechanical Engineers (ASME), 2023)It was with great sadness that the heat transfer community learned of the passing of Professor Raymond Viskanta on December 27, 2021.Raymond Viskanta was born in Marijampole, Lithuania in 1931. In 1944, his family escaped ... -
Multiple Phase Change Material-Based Heat Sink for Cooling of Electronics: A Combined Experimental and Numerical Study
(The American Society of Mechanical Engineers (ASME), 2023)This paper reports an investigation of the thermal performance of an energy storage heat sink incorporated with multiple phase change materials (PCMs). A six-cavity cylindrical heat sink heated at the base is chosen for ... -
Integral Transform Solution of Porous Medium Models for Heat Sinks Subject to Periodic Heat Loads
(The American Society of Mechanical Engineers (ASME), 2022)Analysis of the energy transport in thermal microdevices modeled as a porous medium under periodic heat loads is conducted using integral transforms. Coupled eigenvalue problems are employed and a single set of coupled ... -
Numerical Investigation on Natural Convection in Inclined Channels Partially Filled With Asymmetrically Heated Metal Foam
(The American Society of Mechanical Engineers (ASME), 2023)A numerical study on natural convection in an inclined channel partially filled with open metal foam is investigated in two-dimensional laminar and incompressible and steady-state condition. The upper wall is heated at ... -
Flow and Convective Exchanges Study in Rotor-Stator System With Eccentric Impinging Jet
(The American Society of Mechanical Engineers (ASME), 2023)This paper investigates numerically and experimentally the flow structure and convective heat transfers in an unconfined air gap of a discoid technology rotor–stator system. The cavity between the interdisk is defined by ... -
Experimental Analysis of a Bayonet Tube at Constant Wall Temperature Conditions Under Laminar, Transition, and Turbulent Flow
(The American Society of Mechanical Engineers (ASME), 2023)An experiment was carried out on a bayonet tube that was kept at a constant temperature using condensing steam. In contrast, cold water was permitted to enter the central tube and discharge via an annular portion. The water ... -
Experimental and Computational Study of Enhanced Forced Convection Heat Transfer in Novel Slotted Wavy-Plate-Fin Channels
(The American Society of Mechanical Engineers (ASME), 2022)Forced convective enhanced heat transfer performance of airflows (50 ≤ Re ≤ 4000, Pr ∼ 0.71) in novel slotted sinusoidal wavy-plate-fins is investigated both experimentally and computationally. The slotted wavy fin core ... -
Critical Heat Flux Condition and Post-Critical Heat Flux Heat Transfer of Carbon Dioxide at High Reduced Pressures in a Microchannel
(The American Society of Mechanical Engineers (ASME), 2023)Flow boiling heat transfer around the critical heat flux (CHF) condition at high reduced pressures of carbon dioxide in a 296-μm hydraulic diameter microchannel was experimentally studied. The CHF conditions for developing ... -
Interface Capturing Flow Boiling Simulations in a Compact Heat Exchanger
(The American Society of Mechanical Engineers (ASME), 2023)High-fidelity flow boiling simulations are conducted in a vertical mini channel with offset strip fins (OSF) using R113 as a working fluid. Finite-element code PHASTA coupled with level set method for interface capturing ... -
Tree-Based Ensemble Learning Models for Wall Temperature Predictions in Post-Critical Heat Flux Flow Regimes at Subcooled and Low-Quality Conditions
(The American Society of Mechanical Engineers (ASME), 2023)Accurately predicting post-critical heat flux (CHF) heat transfer is an important but challenging task in water-cooled reactor design and safety analysis. Although numerous heat transfer correlations have been developed ... -
Flow Boiling in Flexible Polymer Microgaps for Embedded Cooling in High-Power Applications
(The American Society of Mechanical Engineers (ASME), 2023)Structural flexibility has become a common feature in emerging microsystems with increasing heat fluxes. The thermal control of such applications is a significant challenge because of both structural and volumetric ... -
Experimental Results for a Novel Flash Evaporation and Phase Separation System for Desalination of Sea Water
(The American Society of Mechanical Engineers (ASME), 2022)A novel system combining dynamic flash evaporation and vapor separation for desalination has been investigated in this work. The feed water passes through injection tubes which are connected to injector passages installed ...