Journal of Heat Transfer: Recent submissions
Now showing items 601-620 of 3611
-
Reflection of Thermoelastic Waves From the Insulated Surface of a Solid Half-Space With Time-Delay
(The American Society of Mechanical Engineers (ASME), 2020)This paper is devoted to study the reflection of thermoelastic plane waves from the thermally insulated stress-free boundary of a homogeneous, isotropic and thermally conducting elastic half-space. A new linear theory of ... -
A Method for Measuring Contact Angle and the Influence of Surface-Fluid Parameters on the Boiling Heat Transfer Performance
(The American Society of Mechanical Engineers (ASME), 2020)An experimental apparatus and a computational routine were developed and implemented in order to obtain the sessile drop images and the contact angle measurement for different fluids and surface conditions. Moreover, ... -
Heat Transfer Characteristics of Nonuniform Flow Around a Circular Cylinder in a T-Junction Duct
(The American Society of Mechanical Engineers (ASME), 2020)Heat transfer characteristics of a circular cylinder in the branch of a T-junction duct are experimentally investigated in a low-speed wind tunnel with Reynolds number of Reb = 9163. Local and average heat transfer ... -
Heat and Mass Transfer in the Food, Energy, and Water Nexus—A Review
(The American Society of Mechanical Engineers (ASME), 2020)Engineering innovations—including those in heat and mass transfer—are needed to provide food, water, and power to a growing population (i.e., projected to be 9.8 × 109 by 2050) with limited resources. The interweaving of ... -
Discussion: “Effect of Porous Medium in Stagnation Point Flow of Ferrofluid Due to a Variable Convected Thicked Sheet” [ASME J. Heat Transfer, 2019, 141 (11), p. 112602]
(The American Society of Mechanical Engineers (ASME), 2020)The current discussion is presented to increase the awareness among the readers of ASME Journal of Heat Transfer. Comments are presented on the paper by Imtiaz et al. [1], where the authors investigated the influences of ... -
Improvement of the RELAP5-3D Condensation Heat Transfer Model in the Presence of Noncondensable Gases
(The American Society of Mechanical Engineers (ASME), 2020)Condensation of steam on the primary side of steam generator in a pressurized water reactor is one of the means of removing decay heat during accident scenarios such as a small break loss of coolant accident. With the ... -
Effect of Driven Sidewalls on Mixed Convection in an Open Trapezoidal Cavity With a Channel
(The American Society of Mechanical Engineers (ASME), 2020)The mixed convection in an open trapezoidal lid-driven cavity connected with a channel is investigated in the present paper. Four different cases were considered depending on the movement of the cavity sidewalls. For case ... -
Liquid Flow Forced Convection in Rectangular Microchannels With Nonuniform Heating: Toward Analytical Modeling of Hotspots
(The American Society of Mechanical Engineers (ASME), 2020)The heat generated by microprocessors has an extremely nonuniform spatial distribution with hotspots that have heat fluxes several times larger than the background flux. Hence, for an accurate design of microchannel heat ... -
A New Thermodynamic and Heat Transfer Model for Nanolubricants and Refrigerant Heat Transfer Processes in Smooth Copper Tubes
(The American Society of Mechanical Engineers (ASME), 2020)In air conditioning systems, lubricating oil leaves the compressor and circulates through the other system components. This lubricant acts as a contaminant affecting heat transfer in heat exchangers. The literature indicated ... -
Effects of Wall Slip on Convective Heat Transfers of Giesekus Fluid in Microannulus
(The American Society of Mechanical Engineers (ASME), 2020)Convective heat transfer and effect of nonlinear wall slip are studied analytically in concentric microannulus for viscoelastic fluids obeying the Giesekus constitutive equation. Laminar, thermally, and hydrodynamically ... -
Effects of Heat Flux, Mass Flux, Inlet Fluid Subcooling, and Channel Orientation on Subcooled Flow Boiling in a High-Aspect-Ratio Rectangular Microchannel
(The American Society of Mechanical Engineers (ASME), 2020)An experimental investigation of subcooled flow boiling in a high-aspect-ratio, one-sided heating, silicon-based rectangular microchannel was conducted utilizing de-ionized water as the working fluid. The microchannel was ... -
Nonlinear Radiative Squeezed Flow of Nanofluid Subject to Chemical Reaction and Activation Energy
(The American Society of Mechanical Engineers (ASME), 2020)This study explores the flow of magnetized nanomaterials between two parallel disks. Novel aspects of activation energy and nonlinear thermal radiation characterized the heat and mass transfer. Nonlinear system of ODEs is ... -
Numerical Investigation of a Confined Laminar Jet Impingement Cooling of Heat Sources Using Nanofluids
(The American Society of Mechanical Engineers (ASME), 2020)The thermal and fluid dynamic behavior of a confined two-dimensional steady laminar nanofluid jet impinging on a horizontal plate embedded with five discrete heating elements subjected to a constant surface heat flux has ... -
Comparison of Single-Phase Convection in Additive Manufactured Versus Traditional Metal Foams
(The American Society of Mechanical Engineers (ASME), 2020)Metal foams have been often used for thermal management due to their favorable characteristics including high specific surface area (SSA), high thermal conductivity, and low relative density. However, they are accompanied ... -
Hypersonic Plasma Setup for Oxidation Testing of Ultrahigh Temperature Ceramic Composites
(The American Society of Mechanical Engineers (ASME), 2020)In this study, a hypersonic plasma setup was constructed based on a vortex plasma heater with prenozzle gas-dynamic insertion. The prenozzle allows the improvement of the characteristics of the vacuum system according to ... -
Experimental Study of Refrigerant (R-134a) Condensation Heat Transfer and Retention Behavior on Paraffin-Coated Vertical Plates and Fin Structures
(The American Society of Mechanical Engineers (ASME), 2020)Condensation of refrigerant R-134a is experimentally investigated on a paraffin-coated copper surface and compared to condensation on a plain copper surface. Heat transfer and visualization experiments are conducted for ... -
Computational Fluid Dynamics Analysis of Aerodynamics and Impingement Heat Transfer From Hexagonal Arrays of Multiple Dual-Swirling Impinging Flame Jets
(The American Society of Mechanical Engineers (ASME), 2020)Radiative furnaces pose significant thermal inertia and single impinging flames have been observed to cause occurrence of hotspots on the target surface. Multiple burners arranged in suitable array configuration represent ... -
Unileg Thermoelectric Module Comprised by Coated Halide-Perovskite Thin Film
(The American Society of Mechanical Engineers (ASME), 2020)The direct conversion of thermal energy into electricity is possible by thermoelectric effect. CsSnI3 perovskite has shown a way with its intrinsic ultralow thermal conductivity and large Seebeck coefficient. In this work, ... -
PTFE Modification to Enhance Boiling Performance of Porous Surface
(The American Society of Mechanical Engineers (ASME), 2020)Boiling heat transfer is one of the most effective methods to meet the challenge of heat dissipation of high heat flux devices. A wetting hybrid surface has been shown to have better performance than the hydrophilic or ... -
Retrieval of Uniaxial Permittivity and Permeability for the Study of Near-Field Radiative Transport Between Metallic Nanowire Arrays
(The American Society of Mechanical Engineers (ASME), 2020)Recently metamaterials made of periodic nanowire arrays, multilayers, and grating structures have been studied for near-field thermal radiation with enhanced coupling of evanescent waves due to surface plasmon/phonon ...