Journal of Heat Transfer
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EISSN:1528-8943|ISSN:0022-1481|Disc:The Journal of Heat Transfer disseminates information of permanent interest in the areas of heat and mass transfer. Contributions may consist of results from fundamental research that apply to thermal energy or mass transfer in all fields of mechanical engineering and related disciplines. Also, archival results of research that focuses on the evaluation of thermophysical properties associated with heat and mass transfer, as well as on the theory of heat and mass transfer, are published. The Journal of Heat Transfer is complementary to the Journal of Thermal Science and Engineering Applications, which focuses on applications|Priority:12|Publisher:American Society of Mechanical Engineers|
Recent Submissions
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Exact Insulated-Tip Fin Length Correction for Tip Convection Compensation
(The American Society of Mechanical Engineers (ASME), 2024)This study details the derivation of a length correction term for computing the heat transfer performance of one-dimensional, straight, convecting-tip fins using the insulated-tip fin solution. Use of this corrected length ... -
Non-Isothermal Plane Couette Flow and Its Stability in an Anisotropic and Inhomogeneous Porous Layer Underlying a Fluid Layer Saturated by Water
(The American Society of Mechanical Engineers (ASME), 2024)In this article, the linear stability of nonisothermal plane Couette flow (NPCF) in an anisotropic and inhomogeneous porous layer underlying a fluid layer is investigated. The Darcy model is utilized to describe the flow ... -
Buoyancy and Velocity Field Synergy Principle in Convective Heat Transfer and Its Role in Thermo-Hydraulic Performance Improvement
(The American Society of Mechanical Engineers (ASME), 2024)This study proposes the buoyancy and velocity field synergy principle and aims to enhance thermo-hydraulic performance in convective heat transfer. A mechanical energy conservation equation concerning synergy between ... -
Turbulent Pulsating Convective Flow in the Quasi-Steady and Low-Frequency Regimes
(The American Society of Mechanical Engineers (ASME), 2024)The instantaneous and time-averaged dynamics of turbulent pulsating convective pipe flow is investigated experimentally over Strouhal number, St=3.3×10−4−0.12 that falls in the quasi-steady and low-frequency regimes, ... -
Green's Function for Laminar Flow in Channels With Porous Walls in the Presence of a Transverse Magnetic Field
(The American Society of Mechanical Engineers (ASME), 2024)Despite the significant and ongoing interest in Green's functions from scientists, engineers, and mathematicians, the area remains underdeveloped with respect to understanding problems from laminar fluid flow and ... -
Transient Thermal Spreading From a Circular Heat Source in Polygonal Flux Tubes
(The American Society of Mechanical Engineers (ASME), 2024)This study develops a numerical simulation to assess transient constriction resistance in various semi-infinite flux channel geometries, including circle on circle, triangle, square, pentagon, and hexagon, which are derived ... -
Band Heater Heat Flux Characterization Using Inverse Heat Conduction Problem Models
(The American Society of Mechanical Engineers (ASME), 2024)An experimental apparatus was constructed to correlate water flowrate and temperature rise under an external band heater. Due to the physical characteristics of the band heater, its transient heating behavior is unknown. ... -
Rayleigh–Bénard Convection With Multiple Solutions in Trapezoidal Closed Cavities
(The American Society of Mechanical Engineers (ASME), 2024)Rayleigh–Bénard convection (RBC) in symmetric trapezoidal closed cavities with cavity angle ϕ=70°−110°, filled with air, is studied using numerical simulations where inclined side walls are adiabatic. In contrast to ... -
Melting and Heat Transfer Characteristics of Phase Change Material: A Comparative Study on Wire Mesh Finned Structure and Other Fin Configurations
(The American Society of Mechanical Engineers (ASME), 2024)In the present paper, a two-dimensional transient numerical study has been performed to investigate the influence of different fin designs on the melting and heat transfer characteristics of a phase change material (PCM), ... -
Effect of Porosity Gradient on the Solidification of Paraffin in a Thermal Energy Storage Tank Filled With Metal Foam
(The American Society of Mechanical Engineers (ASME), 2024)Thermal energy storage (TES) systems are a promising solution for reutilizing industrial waste heat (IWH) for distributed thermal users. These systems have tremendous potential to increase energy efficiency and decrease ... -
Effects of Flow Pulsation and Surface Geometry on Heat Transfer Performance in a Channel With Teardrop-Shaped Dimples Investigated by Large Eddy Simulation
(The American Society of Mechanical Engineers (ASME), 2024)Large eddy simulation was performed to investigate heat transfer performance of a pulsating flow over teardrop-shaped dimples. A total of six geometries of dimpled surfaces were examined for dimple arrangements of ... -
Dependence of Radiance of Burning Coal Bed on Ash Formation and Dew Condensation
(The American Society of Mechanical Engineers (ASME), 2024)In this study, coal samples with different moisture contents were prepared using a drying and humidification system. Coal samples were placed in a crucible and ignited using a heating wire, to which power was applied during ... -
Experimental and Computational Investigation of Flow Boiling in a 52 μm Hydraulic Diameter Microchannel Evaporator With Inlet Restrictions and Heat Spreading
(The American Society of Mechanical Engineers (ASME), 2024)Microchannel flow boiling presents an effective thermal management strategy for high heat flux (>1 kW/cm2) devices. Fundamental mechanisms of microchannel flow boiling behaviors are difficult to determine due to macroscopic ... -
Semi-Analytical Solution for a Single-Phase Conduction Problem of a Finite-Slab With a Growing or Receding Boundary
(The American Society of Mechanical Engineers (ASME), 2024)Thermal conduction considerations of a solid media with moving boundaries are of great interest in many research areas. Unfortunately, it is very difficult to find analytical or semi-analytical solutions for the single-phase ... -
An Active Phantom Cooling Concept for Turbine Endwall Cooling From Pressure-Surface Film Coolant Injection
(The American Society of Mechanical Engineers (ASME), 2024)Cooling of the endwall of a nozzle guide vane should receive special attention due to its uniqueness of near-wall complex secondary flows and concomitant challenge of offering film-coverage for cooling the endwall pressure-side ... -
Film Cooling Performance on a Turbine Blade With Subregional Compound Angle
(The American Society of Mechanical Engineers (ASME), 2024)Under the influence of secondary flow, the film cooling deviates from the flow direction on the turbine blade, which directly results in undesirable uneven film coverage. On the pressure side, the film appears divergent, ... -
Effect of Finite Thermal Conductivity Bounding Walls on Darcy–Bénard Convection
(The American Society of Mechanical Engineers (ASME), 2024)Natural convection in fluid-saturated, horizontal porous-media is quintessential to many applications like geothermal reservoirs and solar thermal storage systems. Researchers have dedicated substantial effort over the ... -
High Power Density Thermal Energy Storage With Phase Change Material in Enhanced Compact Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2024)Performance of a novel ultracompact thermal energy storage (TES) heat exchanger, designed as a microchannel finned-tube exchanger is presented. With water as the heating–cooling fluid in the microchannels, a salt hydrate ... -
Effect of Strip-Fin Height on Jet Impingement Heat Transfer in a Rectangular Channel at Two Jet-to-Target Surface Spacings
(The American Society of Mechanical Engineers (ASME), 2024)An experimental investigation of heat transfer performance in a rectangular impingement channel featuring staggered strip-fins was completed. Four configurations were considered to study the effects of varying the strip-fin ... -
Spray Cooling Heat Transfer of a Two-Fluid Spray Atomizer
(The American Society of Mechanical Engineers (ASME), 2024)The paper presents an experimental study on the droplet size and velocity, as well as temperature distribution, of a two-fluid atomizer (dj = 1.6 mm; spray nozzle exit diameter) through optical nonintrusive interferometric ...