Journal of Heat Transfer: Recent submissions
Now showing items 841-860 of 3611
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Significance of Lorentz Force and Thermoelectric on the Flow of 29 nm CuO–Water Nanofluid on an Upper Horizontal Surface of a Paraboloid of Revolution
(The American Society of Mechanical Engineers (ASME), 2019)Combination of electric and magnetic forces on charged molecules of flowing fluid in the presence of a significant electromagnetic fields on surfaces with a nonuniform thickness (as in the case of upper pointed surface of ... -
Convective Heat Transfer Investigation of a Confined Air Slot-Jet Impingement Cooling on Corrugated Surfaces With Different Wave Shapes
(The American Society of Mechanical Engineers (ASME), 2019)In this study, air jet impingement on flat, triangular-corrugated, and sinusoidal-corrugated surfaces was numerically investigated. Bottom surface was subjected to constant surface temperature. Air was the working fluid. ... -
Effect of Slot Jet Temperature on Impingement Heat Transfer Over a Heated Circular Cylinder
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, heat transfer and effectiveness of a turbulent slot jet impinging over a heated circular cylinder have been investigated numerically by varying the ratio of jet temperature to the ambient temperature, ... -
A Synergistic Combination of Thermal Models for Optimal Temperature Distribution of Discrete Sources Through Metal Foams in a Vertical Channel
(The American Society of Mechanical Engineers (ASME), 2019)This paper discusses about the numerical prediction of forced convection heat transfer through high-porosity metal foams with discrete heat sources in a vertical channel. The physical geometry consists of a discrete heat ... -
Impact of Cattaneo–Christov Heat Flux Model on Stagnation-Point Flow Toward a Stretching Sheet with Slip Effects
(The American Society of Mechanical Engineers (ASME), 2019)Stagnation-point flow toward a stretching sheet with slip effects has been investigated. Unlike most classical works, Cattaneo–Christov heat flux model is utilized for the formulation of the energy equation instead of ... -
Entropy Generation Due to Heat and Mass Transfer in a Flow of Dissipative Elastic Fluid Through a Porous Medium
(The American Society of Mechanical Engineers (ASME), 2019)This study examines the effects of viscous and porous dissipation on entropy generation in the viscoelastic fluid flow induced by a linearly stretching surface. Analysis of mass transfer is also performed. Consideration ... -
Investigation of Vortex Generator Enhanced Double-Fin and Tube Heat Exchanger
(The American Society of Mechanical Engineers (ASME), 2019)In the present work, a numerical analysis of conjugate heat transfer and fluid flow in vortex generator (VG) enhanced double-fin and tube heat exchanger is carried out. The enhanced design aims to improve the heat transfer ... -
Numerical Evaluation of Thermal Hydraulic Performance in Fin-and-Tube Heat Exchangers With Various Vortex Generator Geometries Arranged in Common-Flow-Down or Common-Flow-Up
(The American Society of Mechanical Engineers (ASME), 2019)Vortex generator as secondary flow enhancement technique has captured the attention of many researchers recently to augment the performance of the fin-and-tube heat exchanger (FTHE). There are various vortex generator ... -
Comparison of Natural Convection Around a Circular Cylinder With Different Geometries of Cylinders Inside a Square Enclosure Filled With Ag-Nanofluid Superposed Porous-Nanofluid Layers
(The American Society of Mechanical Engineers (ASME), 2019)Numerical simulations are carried out for fluid flow and natural convection heat transfer induced by a temperature difference between a hot inner cylinder with different geometries (i.e., circular; triangular; elliptic; ... -
Radiative Heat and Mass Transfer Analysis of Micropolar Nanofluid Flow of Casson Fluid Between Two Rotating Parallel Plates With Effects of Hall Current
(The American Society of Mechanical Engineers (ASME), 2019)The present research aims to examine the micropolar nanofluid flow of Casson fluid between two parallel plates in a rotating system with effects of thermal radiation. The influence of Hall current on the micropolar nanofluids ... -
Heat and Momentum Transfer Analogies in Laminar Flow
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, we briefly present the heat/momentum transfer analogies of Reynolds and the followers for turbulent flow. Next, we discuss differences between turbulent and laminar flow and turn to the Lévêque analogy for ... -
Homogeneous–Heterogeneous Reactions of Blasius Flow in a Nanofluid
(The American Society of Mechanical Engineers (ASME), 2019)An investigation is made to study the Blasius flow of a nanofluid in the presence of homogeneous–heterogeneous chemical reactions. Here, the diffusion coefficients of the reactant and autocatalyst are considered to be in ... -
Line-by-Line Random-Number Database for Monte Carlo Simulations of Radiation in Combustion System
(The American Society of Mechanical Engineers (ASME), 2019)With today's computational capabilities, it has become possible to conduct line-by-line (LBL) accurate radiative heat transfer calculations in spectrally highly nongray combustion systems using the Monte Carlo method. In ... -
Heat Transfer Modeling of a High-Temperature Porous-Medium Filled Solar Thermochemical Reactor for Hydrogen and Synthesis Gas Production
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, heat transfer modeling of a high-temperature porous-medium filled solar thermochemical reactor for hydrogen and synthesis gas production is investigated. The numerical simulation is performed using a ... -
Heat Transfer From Particles Confined Between Two Parallel Walls
(The American Society of Mechanical Engineers (ASME), 2019)The rate of heat conduction (or mass transfer by diffusion) from a cylindrical or a spherical particle confined between two walls is determined as a function of the position and the radius of the particle. It is shown that ... -
Magnetohydrodynamic Boundary Layer Flow and Heat Transfer of Nanofluids Past a Bidirectional Exponential Permeable Stretching/Shrinking Sheet With Viscous Dissipation Effect
(The American Society of Mechanical Engineers (ASME), 2019)The problem of boundary layer flow and heat transfer of magnetohydrodynamic (MHD) nanofluids which consist of Fe3O4, Cu, Al2O3, and TiO2 nanoparticles and water as the base fluid past a bidirectional exponentially permeable ... -
Second Law Analysis of Flow in a Circular Pipe With Uniform Suction and Magnetic Field Effects
(The American Society of Mechanical Engineers (ASME), 2019)The present paper investigates analytically the two-dimensional heat transfer and entropy generation characteristics of axisymmetric, incompressible viscous fluid flow in a horizontal circular pipe. The flow is subjected ... -
Heat Transfer Investigation of a Tube Partially Wrapped by Metal Porous Layer as a Potential Novel Tube for Air Cooled Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2019)Laminar forced convection heat transfer from a constant temperature tube wrapped fully or partially by a metal porous layer and subjected to a uniform air cross-flow is studied numerically. The main aim of this study is ... -
A Unified Three-Dimensional Numerical Model for Boiling Curve in a Temperature Controlled Mode1
(The American Society of Mechanical Engineers (ASME), 2019)In the present study, level set method is used to simulate the entire boiling curve in a temperature-controlled mode spanning all the three regimes viz., nucleate, transition, and film boiling with a unified numerical model ... -
Modified Collision Energy, a New Chemical Model in the DSMC Algorithm
(The American Society of Mechanical Engineers (ASME), 2019)A new chemical model in the direct simulation Monte Carlo (DSMC) algorithm, entitled modified collision energy (MCE), has been developed for simulation of reactive rarefied flows without some limitations of the conventional ...