Journal of Heat Transfer: Recent submissions
Now showing items 161-180 of 3611
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A Simple Correlation for Horizontal Microfin Tube Convective Boiling
(The American Society of Mechanical Engineers (ASME), 2022)This paper presents a simple correlation containing nine dimensionless parameters to predict the local convective boiling heat transfer within a microfin tube that was developed from a dataset that included a wide range ... -
Effects of Sloshing Motions on Condensation Heat Transfer Characteristics of Integral-Fin Tubes Under Sea Conditions
(The American Society of Mechanical Engineers (ASME), 2022)Integral-fin tubes with high heat transfer capability are a promising solution for improving the compactness of condensers used in the exploitation of offshore natural gas at sea, and the sloshing motions including rolling ... -
Performance Analysis of Central Processing Unit Heat Sinks Fitted With Perforation Technique and Splitter Inserts
(The American Society of Mechanical Engineers (ASME), 2022)The increase in the heat dissipation rate in heat sinks (HSs), the reduction of the occupied volume and mass, and the elimination of the lower heat transfer areas (LHTAs) behind the pins are the main parameters to be ... -
Mapping the Chaotic Transitions of the Lorenz Equations With Unsupervised Machine Learning
(The American Society of Mechanical Engineers (ASME), 2022)Prior work has explored utilizing machine learning for the Lorenz system in the time domain. In this work, we have focused on applications of machine learning for predicting the onset of chaotic transitions in the Lorenz ... -
Heat Transfer and Fluid Dynamics Study in Solar Air Heater Employing Impinging Circular Air Jet Array for Effective Jet Stability
(The American Society of Mechanical Engineers (ASME), 2022)This experimental and numerical investigation is intended to increase heat transfer, reduce pumping power, and present important guidelines on the use of confined submerged air jet impingement in solar air heater designs ... -
Accelerated Deterministic Phonon Transport With Consistent Material Temperature and Intensities
(The American Society of Mechanical Engineers (ASME), 2022)We present a method for deterministically solving the frequency and temperature dependent phonon radiative transport (PRT) equation in the single-mode relaxation time (SMRT) approximation in the self-adjoint angular flux ... -
A Switched Dynamical System Approach to the Flow and Heat Transfer of Immiscible Fluids
(The American Society of Mechanical Engineers (ASME), 2022)This paper provides important insights into immiscible fluids models, which can exhibit complex nonlinear behavior due to variations in thickness, viscosity, thermal conductivity, and jump velocity fields across the interface ... -
Design Optimization, Thermohydraulic, and Enviro-Economic Analysis of Twisted Perforated Tape Insert-Based Heat Exchanger With Nanofluid Using Computational Fluid Dynamics and Taguchi Grey Method
(The American Society of Mechanical Engineers (ASME), 2022)In this paper, the effect of perforated twisted tape insert (PTTI)-based heat exchanger (HX) utilizing nanofluid as working fluid undercooling, turbulent flow model has been investigated numerically. Parameters, i.e., ... -
Bubble Dynamics and Heat Transfer Characteristics of Flow Boiling in a Single Pentagonal Rib Channel
(The American Society of Mechanical Engineers (ASME), 2022)Two-phase flow boiling is the preferred method for efficient heat dissipation in electronic equipment, so the bubble dynamics and heat transfer characteristics of flow boiling in a single pentagonal rib channel are numerically ... -
A Comparative Study of Entropy Generation Analysis Through Cartesian and Cylindrical Annulus Geometries
(The American Society of Mechanical Engineers (ASME), 2022)This research paper presents a comparative study dealing with entropy generation analysis in Cartesian and cylindrical annulus geometries. This numerical investigation involves heat and mass transfer coupled with forced ... -
A New Year and a New Name
(The American Society of Mechanical Engineers (ASME), 2022)Beginning with this January 2023 issue, we inaugurate our new title: ASME Journal of Heat and Mass Transfer. This evolution away from the name Journal of Heat Transfer has come to pass out of our concern that this title ... -
Cooling of Gas Turbine Blade Leading Edge Via an Array of Air Jets With Variable Diameters
(The American Society of Mechanical Engineers (ASME), 2022)In this study, the cooling of a gas turbine (GT) blade leading edge using a single row of five impinging air jets was numerically and experimentally investigated. The inner surface of the blade leading edge was depicted ... -
Evaluating View Factors Using a Hybrid MonteCarlo Method
(The American Society of Mechanical Engineers (ASME), 2022)This paper demonstrates that the wellknown method for calculating view factors, the Monte Carlo method, combined with ray tracing is not necessarily the most efficient strategy. The Monte Carlo method and quasiMonte Carlo ... -
Immersion Cooling of Suspended and Coated NanoPhosphor Particles for Extending the Limits of Optical Extraction of Light Emitting Diodes
(The American Society of Mechanical Engineers (ASME), 2022)GaN LEDs are usually encapsulated with a cured phosphorepoxy mixture for the light conversions from blue to white light. However, during this conversion, significant selfheating problems may occur due to insufficient cooling ... -
Numerical Investigation of Air Entrainment and Outlet Temperature Characteristics of a ConvexType Infrared Suppression Device
(The American Society of Mechanical Engineers (ASME), 2022)Infrared suppression devices (IRS) are frequently used in naval/cargo ships to passively entrain an additional amount of cold air from the atmosphere, and mix it with the hot plume so as to suppress its temperature, and ... -
Effect of Rib Width and Cathode Thickness on the Performance of MOLBType SOFC
(The American Society of Mechanical Engineers (ASME), 2022)In this study, a typical threedimensional model of single channel monoblocklayer build solid oxide fuel cell (MOLBtype SOFC) was developed. The effects of rib width and cathode thickness on the species concentration ... -
Interactive Evaporation of Neighboring Pendant and Sessile Droplet Pair
(The American Society of Mechanical Engineers (ASME), 2022)In this article, we experimentally probe the vapormediated interaction behavior of evaporating sessile and pendant droplets in an interacting droplet (ID) system. For this purpose, a pendant droplet was introduced in the ... -
A Comprehensive Model for Single Bubble Nucleate Flow Boiling
(The American Society of Mechanical Engineers (ASME), 2022)The single bubble dynamics and local thermal effects in a rectangular channel are investigated in this paper under subcooled nucleate flow boiling conditions. A combined effect of Marangoni and microlayer evaporation in ... -
Transient Heat Conduction in a Planar Slab With Convection and Radiation Effects
(The American Society of Mechanical Engineers (ASME), 2022)This article presents new semianalytical solutions for transient heat conduction in a slab, which exchanges heat at the surface with its surroundings via convection, radiation, or simultaneous convection–radiation mechanisms. ... -
Stability Analysis of Binary Casson Nanofluid Convection With Viscosity and Conductivity Variations Using Darcy–Brinkman Model
(The American Society of Mechanical Engineers (ASME), 2022)The onset of binary/doublediffusive convection with conductivity and viscosity variations has been investigated for Casson nanofluids using Darcy–Brinkman model. Nanoparticle conductivity and viscosity are used as linear ...