Browsing ASME Journal of Heat and Mass Transfer by Issue Date
Now showing items 1-20 of 150
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Influence of Buoyancy and Inter-Surface Radiation on Confined Jet Impingement Cooling of a Semi-Cylindrical Concave Plate
(The American Society of Mechanical Engineers (ASME), 2023)In this article, the confined jet impingement cooling of a semicylindrical concave plate is analyzed numerically. The finite volume approach is applied to two-dimensional numerical simulations in the transient regime. Air ... -
Estimating the Thermal Conductivity of Thin Films: A Novel Approach Using the Transient Plane Source Method
(The American Society of Mechanical Engineers (ASME), 2023)The conventional transient plane source (TPS) method for thin films is used for films and adhesives with thicknesses between 50 and 200 μm. Measurements with the conventional TPS method are usually inaccurate due to thermal ... -
Truncated Cone – A Universal Primitive Shape for Axisymmetric View Factor Systems
(The American Society of Mechanical Engineers (ASME), 2023)It is demonstrated that axisymmetric view factor systems can be modeled as a composite of truncated cones. For the hemisphere primitive shape, it is represented as a composite of truncated cones. One conclusion of the ... -
A Fully Implicit Enthalpy-Porosity Model for Phase-Change
(The American Society of Mechanical Engineers (ASME), 2023)This article proposes a new formulation for a phase change model based on the enthalpy-porosity idea. A general one-energy equation model (1EEM) is extended to deal with the melting and solidification of pure substances ... -
A Comparative Study of Flow Boiling Heat Transfer and Pressure Drop Characteristics in a Pin-Finned Heat Sink at Horizontal/Vertical Upward Flow Orientations
(The American Society of Mechanical Engineers (ASME), 2023)With the continuous development of power electronic devices toward miniaturization and compactness, it is necessary to develop more efficient flow boiling heat transfer technologies. In this work, the flow boiling heat ... -
Significance of Upstream Wall Conditions in Characterizing the Heat Transfer Phenomena of Rarefied Flows
(The American Society of Mechanical Engineers (ASME), 2023)Slip flows in small-scale flow networks involve simultaneous presence of multiple factors governing the flow field. In addition, conditions of upstream wall need to be clearly defined for quantifying the total heat that ... -
Significant Enhancement of Near-Field Radiative Heat Transfer by Misaligned Bilayer Heterostructure of Graphene-Covered Gratings
(The American Society of Mechanical Engineers (ASME), 2023)The near-field radiative heat transfer of heterostructure consisting of SiC gratings and graphene is investigated in this work. The rigorous coupled-wave analysis is employed to calculate the spectral heat flux. Nevertheless, ... -
Numerical Investigations on Enhancement of Pool Boiling Heat Transfer on a Mixed Wettability Surface Employing Lattice Boltzmann Method
(The American Society of Mechanical Engineers (ASME), 2023)In this paper, a systematic numerical study of pool boiling heat transfer on a mixed wettability heated surface is done using the lattice Boltzmann method (LBM) with a multiple relaxation time (MRT)-based collision operator. ... -
Analysis of Multilayer Cylindrical Thermal Conduction With a Time-Varying Convective Boundary Condition
(The American Society of Mechanical Engineers (ASME), 2023)Heat transfer in a multilayer body plays a key role in design and optimization of several engineering systems. While the analysis of simple multilayer problems is quite straightforward, realistic scenarios such as ... -
Energy Modeling of an Aquaculture Raceway
(The American Society of Mechanical Engineers (ASME), 2023)Large seasonal temperature variations in aquaculture source water leave aquaculture ponds and raceways susceptible to temperature variations leading to nonoptimal growing conditions. Such conditions may slow down the growth ... -
Computational Modeling of Walking Beam Type Reheat Furnace for the Prediction of Slab Heating and Scale Formation
(The American Society of Mechanical Engineers (ASME), 2023)Computational modeling using the high-viscosity laminar flow approach was applied to study the effect of slab crossing time on slab heating and scale growth. Simulation of an existing industrial walking beam reheating ... -
Numerical Study of Mixed Convection of Buoyant Twin Jet
(The American Society of Mechanical Engineers (ASME), 2023)The effect of mixed convection of twin vertical jets is investigated numerically in this paper. The results are presented specifically for flows affected by buoyancy for two parallel jets of same velocities ranging between ... -
Special Issue: Richard J. Goldstein Memorial Issue—Transformative and Innovative Advancements in Heat and Mass TransferA Lifetime of Path-Breaking Scholarship That Spans Gas-Turbine Cooling to Transport Processes and Critical Diagnostic Tools for Convecti
(The American Society of Mechanical Engineers (ASME), 2024)Professor Richard J. Goldstein (March 27, 1928–March 6, 2023) was perhaps one of the “tallest” colleagues in our field with a career spanning over seven decades, during which he contributed extensively to a gamut of heat ... -
Experimental and Numerical Investigation of Effect of Inclination on sCO2 Heat Transfer in a Circular Pipe
(The American Society of Mechanical Engineers (ASME), 2024)Supercritical carbon dioxide (sCO2) can be utilized as a working fluid in various thermal systems including large-scale power cycles; portable power production units, centralized coolant systems, and standalone cooling ... -
Numerical Study on Thermal Hydraulic and Flow-Induced Noise in Triply Periodic Minimal Surface (TPMS) Channels
(The American Society of Mechanical Engineers (ASME), 2024)Mini-channel heat exchangers are widely used due to their compact structures and high efficiency. Integrating heat exchangers with triply periodic minimal surfaces (TPMS) has shown great potential to optimize the flow and ... -
Thermal Characterization of Subcooled Flow Boiling in a Pin-Fin Coldplate With Non-Uniform Heating
(The American Society of Mechanical Engineers (ASME), 2024)Coldplates are a crucial component in various cooling applications, such as cooling data center servers and power electronics. The unprecedented growth in electronics power density, along with the resulting ultrahigh heat ... -
Tracing the Academic Lineage of Richard J. Goldstein
(The American Society of Mechanical Engineers (ASME), 2024)Richard J. Goldstein was a distinguished figure in both scientific and engineering research, who served in several important professional societies and was honored with fellowships and appointments to numerous domestic and ... -
Thermal Analysis of Jet-in-Crossflow Technique for Hotspot Treatment in Electronics Cooling
(The American Society of Mechanical Engineers (ASME), 2024)Artificial intelligence and machine learning systems, faster processors, miniaturized computational components, and supercomputer centers are accompanied by larger heat dissipation and the need for innovative cooling ... -
Rayleigh–Bénard Convection in a Gas-Saturated Porous Medium at Low Darcy Numbers
(The American Society of Mechanical Engineers (ASME), 2024)Natural convection heat transfer is measured in a horizontal enclosure filled with a gas-saturated porous medium composed of glass spheres. The height-to-pore scale ratio (H/d) is in the range of 25–150, yielding a low ... -
Microscale Surface Defects Influence on Thermally Sprayed Alumina Droplets Deformation and Splashing Dynamics
(The American Society of Mechanical Engineers (ASME), 2024)During plasma spraying, interaction between splats and surface microsized features can be critical to the splat dynamic progress and consequently to the coating microstructural development and interfacial bonding. The ...