Journal of Heat Transfer: Recent submissions
Now showing items 501-520 of 3611
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Two-Phase Microscopic Heat Transfer Model for Three-Dimensional Stagnation Boundary-Layer Flow in a Porous Medium
(The American Society of Mechanical Engineers (ASME), 2020)This work examines the steady three-dimensional forced convective thermal boundary-layer flow of laminar and incompressible fluid in a porous medium. In this analysis, it is assumed that the solid phase and the fluid phase, ... -
A Mathematical Analysis of Directional Solidification of Aqueous Solutions
(The American Society of Mechanical Engineers (ASME), 2020)Horizontal directional solidification techniques have been broadly utilized for the freezing of biological matter under conditions in which the freezing rate during solidification must be controlled and known. Directional ... -
Analytic Modeling of Heat Transfer to Vertical Dense Granular Flows
(The American Society of Mechanical Engineers (ASME), 2020)The high packing fractions of dense granular flows make them an attractive option as a heat transfer fluid or thermal energy storage medium for high temperature applications. Previous works studying the heat transfer to ... -
Perforated Rib in Turbulent Boundary Layer
(The American Society of Mechanical Engineers (ASME), 2020)This study presents the results of the experimental study on hydrodynamics and heat transfer in separation zone in front and behind a single rectangular perforated rib mounted on a flat plate. The effects of perforation ... -
Reconsidered Method for Validation of Experimental Data for Direct Contact Condensers With Zero Vapor Outflow
(The American Society of Mechanical Engineers (ASME), 2020)Method presented in the paper is a reconsideration of the already published equations for a quick and reliable verification of experimental results related to direct contact condensers with zero vapor outflow. Both original ... -
Multifidelity Analysis of Acoustic Streaming in Forced Convection Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2020)This research effort is related to the detailed analysis of the temporal evolution of thermal boundary layer(s) under periodic excitations. In the presence of oscillations, the nonlinear interaction leads to the formation ... -
Nonlinear Electro-Thermal Monte Carlo Device Simulation
(The American Society of Mechanical Engineers (ASME), 2020)A model of self-heating is incorporated into a cellular Monte Carlo (CMC) particle device simulator. This is done through the solution of an energy balance equation (EBE) for phonons, which self-consistently couples charge ... -
Numerical Study on Mass Transfer and Electrical Performance of Anode-Supported Planar Solid Oxide Fuel Cells With Gradient Porosity Anode
(The American Society of Mechanical Engineers (ASME), 2020)Microstructure modification of thick anode is an effective way to enhance cell performance of the anode-supported planar solid oxide fuel cells (SOFCs). In this work, the influence of multilayer anode microstructure with ... -
Analysis of the Evolution of the Structure of a Surface With Pyramidal Asperities in Contact With a Hard and Smooth Plane
(The American Society of Mechanical Engineers (ASME), 2020)This research deals with the evolution of the structure of the sapphire–brass interface due to the variation of contact pressure. This evolution primarily affects the essential parameters that govern the thermal contact ... -
Heat Transfer in a Rotating, Blade-Shaped Serpentine Cooling Passage With Discrete Ribbed Walls at High Reynolds Numbers
(The American Society of Mechanical Engineers (ASME), 2020)This paper experimentally investigates the effect of rotation on heat transfer in a typical turbine blade, three-pass, serpentine coolant channel with discrete ribbed walls at high Reynolds numbers. To achieve the high ... -
Numerical Investigation on Heat and Mass Transfer of Volatile Flammable Gases Within the Nuclear Reactor Containment
(The American Society of Mechanical Engineers (ASME), 2020)Diffusion of volatile flammable species in the air can cause a fire risk within the nuclear reactor containment. However, computational prediction on species concentration distributions remains significantly difficult due ... -
On the Temperature-Rate Dependent Two-Temperature Thermoelasticity Theory
(The American Society of Mechanical Engineers (ASME), 2020)This work aims to formulate the temperature-rate dependent two-temperature (TRDTT) theory of thermoelasticity. The two-temperature thermoelasticity theory and the temperature-rate dependent thermoelasticity theory are two ... -
Numerical Characterization of Viscous Heat Dissipation Rate in Oscillatory Air Flow
(The American Society of Mechanical Engineers (ASME), 2020)The effect of viscous heat dissipation (VHD) in raising the temperature field of incompressible oscillatory air flow is studied numerically. A threshold is established for when the viscous heat dissipation term in the ... -
Experimental Study on Comprehensive Performance of Sintering Biporous Wicks Prepared by Salt Dissolution and Cold Pressing Process
(The American Society of Mechanical Engineers (ASME), 2020)Porous wicks are a key component of loop heat pipes (LHPs). In order to enhance the antigravity and long-distance operation ability of the LHP, a porous wick is required to have the characteristics of high permeability and ... -
Effect of Fin Structure on the Condensation of R-134a, R-1234ze(E), and R-1233zd(E) Outside the Titanium Tubes
(The American Society of Mechanical Engineers (ASME), 2020)In order to test the effect of fin structure on the condensing heat transfer of refrigerants outside the low thermal conductivity tubes, condensation of R-134a, R-1234ze(E), and R-1233zd(E) on two enhanced titanium tubes ... -
Laminar Forced Convection of Nanofluids in a Circular Tube: A New Nonhomogeneous Flow Model
(The American Society of Mechanical Engineers (ASME), 2020)In this paper, the local and average heat transfer coefficient enhancement or deterioration, and rise in pumping power in steady, laminar alumina–water, titania–water, and carbon nanotube (CNT)–water nanofluids flow in a ... -
Particle-Based Modeling of Electron–Phonon Interactions
(The American Society of Mechanical Engineers (ASME), 2020)An important challenge in particle-based modeling of electron–phonon interactions is the large difference in the statistical weight of the particles in the two simulated populations. Each change in the state of a simulated ... -
A Numerical Study of Shock and Heating With Rarefaction for Hypersonic Flow Over a Cylinder
(The American Society of Mechanical Engineers (ASME), 2020)The numerical computation of hypersonic flows over blunt bodies is challenging due to the difficulty in robust and accurate wall heat flux prediction and proper capturing of shock waves free from the “carbuncle” phenomenon ... -
Shell-Side Condensation Characteristics of R410A on Horizontal Enhanced Tubes
(The American Society of Mechanical Engineers (ASME), 2020)An experimental investigation into heat transfer characteristics during condensation on two horizontal enhanced tubes (EHTs) was conducted. All the tested EHTs s have similar geometries with an outer diameter of 12.7 mm, ... -
Inverse Approach Using Bio-Inspired Algorithm Within Bayesian Framework for the Estimation of Heat Transfer Coefficients During Solidification of Casting
(The American Society of Mechanical Engineers (ASME), 2020)In any parameter estimation problem, it is desirable to obtain more information in one single experiment. However, it is difficult to achieve multiple objectives in one single experiment. The work presented in this paper ...