Browsing ASME Journal of Heat and Mass Transfer by Issue Date
Now showing items 1-20 of 181
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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 ... -
On Professor Roop Mahajan's 80th Birthday
(The American Society of Mechanical Engineers (ASME), 2024)Professor Roop L. Mahajan, ASME Fellow and Lewis Hester Chair Professor of Engineering at Virginia Tech celebrated his 80th birthday on Mar. 5, 2024. On this wonderful occasion and to honor his remarkable career, his former ... -
On the Thermal Conductivity Calculation From Pore-Scale Simulations of Porous Materials
(The American Society of Mechanical Engineers (ASME), 2024)Heat transfer in porous materials is of great importance for various natural, biological, and industrial processes. For the large difference between the microscopic and macroscopic dimensions, the volume averaging method ... -
Reflections on My Research in Heat and Energy
(The American Society of Mechanical Engineers (ASME), 2024)This article reflects on the author's research career, which has focused on heat and energy. It details the challenges faced by the author and his research group, highlights their successes and failures, and explores some ... -
FC-72 Pool Boiling From Finned Surface Placed in a Narrow Channel: Influence of Displacement of Boiling Surface
(The American Society of Mechanical Engineers (ASME), 2024)This paper outlines an experimental investigation into fundamental nucleate boiling phenomena involving finned surfaces within a narrow channel. The study delves into the effects of both channel width (2.0 mm and 0.5 mm) ... -
A Multi-Scale Thermal-Mechanical Numerical Method for Mini-Channel Heat Exchanger Subjected to Fluid Pressure Loads
(The American Society of Mechanical Engineers (ASME), 2024)This study proposes a novel multi-scale numerical method for thermal-mechanical analysis of mini-channel heat exchangers (MCHEs) under internal fluid pressure and temperature loads. The method comprises a macro-scale model ... -
Heat and Mass Transfer Study of a High-Pressure Membrane Dehumidifier Under Nonisothermal and Humid Sweep Psychrometric Conditions
(The American Society of Mechanical Engineers (ASME), 2024)High-pressure membrane dehumidification is of interest for aircraft environmental control system (ECS) applications. Typically, membrane dehumidifier (MD) modules are characterized by manufacturers over a range of mass ... -
Nonclassical Heat Transfer and Recent Progress
(The American Society of Mechanical Engineers (ASME), 2024)Heat transfer in solids has traditionally been described by Fourier's law, which assumes local equilibrium and a diffusive transport regime. However, advancements in nanotechnology and the development of novel materials ... -
Aircraft Electrothermal Pulse Deicing
(The American Society of Mechanical Engineers (ASME), 2024)Ice formation and accumulation on aircraft is a major problem in aviation. Icing is directly responsible for aircraft incidents, limiting the safety of air travel and requiring expensive, and sometimes ineffective deicing ...