Journal of Heat Transfer: Recent submissions
Now showing items 2401-2420 of 3611
-
Reduced Order Thermal Models of Multiscale Microsystems
(The American Society of Mechanical Engineers (ASME), 2012)Thermal systems often involve multiple spatial and temporal scales, where transport information from one scale is relevant at others. Optimized thermal design of such systems and their control ... -
Upscaling Statistical Methodology for Radiative Transfer in Porous Media: New Trends
(The American Society of Mechanical Engineers (ASME), 2012)The morphology of a porous medium is now generally known from X and γ ray tomography techniques. From these data and radiative properties at the pore scale, a homogenized medium associated ... -
Thermosolutal Natural Convection in Partially Porous Domains
(The American Society of Mechanical Engineers (ASME), 2012)In many industrial processes or natural phenomena, coupled heat and mass transfer and fluid flow take place in configurations combining a clear fluid and a porous medium. Since the pioneering ... -
Inverse Problems in Heat Transfer: New Trends on Solution Methodologies and Applications
(The American Society of Mechanical Engineers (ASME), 2012)Systematic methods for the solution of inverse problems have developed significantly during the past two decades and have become a powerful tool for analysis and design in engineering. Inverse ... -
Steam Jet Condensation in a Pool: From Fundamental Understanding to Engineering Scale Analysis
(The American Society of Mechanical Engineers (ASME), 2012)The phenomena of direct contact condensation (DCC) of a steam jet submerged in a water pool occur because of the actuation of steam discharging devices in many industrial processes. There are ... -
Report on Microgravity Experiments of Marangoni Convection Aboard International Space Station
(The American Society of Mechanical Engineers (ASME), 2012)This paper reports some important results obtained from a series of microgravity experiments on the Marangoni convection that takes place in liquid bridges. This project, called Marangoni Experiment ... -
Use of Analytical Expressions of Convection in Conjugated Heat Transfer Problems
(The American Society of Mechanical Engineers (ASME), 2012)The heat transfer coefficient of convection from the wall to the flow depends on flow type, on surface temperature distribution in a stream-wise direction, and in transient cases also on time. ... -
Recent Advances in Turbine Heat Transfer—With A View of Transition to Coal-Gas Based Systems
(The American Society of Mechanical Engineers (ASME), 2012)The performance goal of modern gas turbine engines, both land-base and air-breathing engines, can be achieved by increasing the turbine inlet temperature (TIT). The level of TIT in the near ... -
Internal Heat Transfer Coefficient Determination in a Packed Bed From the Transient Response Due to Solid Phase Induction Heating
(The American Society of Mechanical Engineers (ASME), 2012)Nonintrusive measurements of the internal heat transfer coefficient in the core of a randomly packed bed of uniform spherical particles are made. Under steady, fully-developed flow the spherical ... -
Radiative-Collisional Models in Non-Equilibrium Aerothermodynamics of Entry Probes
(The American Society of Mechanical Engineers (ASME), 2012)To design space vehicles aimed for returning payloads from a geostationary orbit, the Moon and other large or small planets of Solar system, a knowledge of the total (convective and radiative) ... -
Numerical Model of Microwave Driven Convection in Multilayer Porous Packed Bed Using a Rectangular Waveguide
(The American Society of Mechanical Engineers (ASME), 2012)The present work studies numerically the heating of multilayer porous packed bed which is subjected to the microwave radiation with a rectangular waveguide. The multilayer porous packed bed ... -
Mixed Convection Three-Dimensional Flow of an Upper-Convected Maxwell Fluid Under Magnetic Field, Thermal-Diffusion, and Diffusion-Thermo Effects
(The American Society of Mechanical Engineers (ASME), 2012)This paper discusses the mixed convection three-dimensional boundary layer flow of upper-convected Maxwell fluid over a stretching surface. Magnetohydrodynamic (MHD) combined with Soret and Dufour ... -
The Role of Entropy Generation in Momentum and Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2012)Entropy generation in a velocity and temperature field is shown to be very significant in momentum and heat transfer problems. After the determination of this postprocessing quantity, many details ... -
Heat Transfer Characteristics of Liquid Flow With Micro-Encapsulated Phase Change Material: Experimental Study
(The American Society of Mechanical Engineers (ASME), 2012)This experimental study investigates the heat transfer characteristics of a liquid flow with micro-encapsulated phase change material (MEPCM). The MEPCM mass concentration is varied between 0 and ... -
Accelerate Iteration of Least-Squares Finite Element Method for Radiative Heat Transfer in Participating Media With Diffusely Reflecting Walls
(The American Society of Mechanical Engineers (ASME), 2012)A high reflectivity of walls often leads to prohibitive computation time in the numerical simulation of radiative heat transfer. Such problem becomes very serious in many practical applications, ... -
Turbulence–Radiation Interaction: From Theory to Application in Numerical Simulations
(The American Society of Mechanical Engineers (ASME), 2012)Theoretical analysis and experimental investigations have shown that the mean heat fluxes in turbulent gaseous flows are influenced not only by the mean scalar fields (temperature and molar ... -
Magnetohydrodynamic Transient Free-Convective Flow in a Vertical Annulus With Thermal Boundary Condition of the Second Kind
(The American Society of Mechanical Engineers (ASME), 2012)A theoretical analysis of an unsteady magnetohydrodynamic free-convective flow of a viscous incompressible and electrically conducting fluid between two concentric vertical cylinders is carried out ... -
Effect of Melting on Mixed Convection Heat and Mass Transfer in a Non-Newtonian Fluid Saturated Non-Darcy Porous Medium
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, we investigate the influence of melting on mixed convection heat and mass transfer from vertical flat plate in a non-Newtonian fluid-saturated non-Darcy porous medium including ... -
Numerical Results for the Effective Flow and Thermal Properties of Idealized Graphite Foam
(The American Society of Mechanical Engineers (ASME), 2012)To simulate the heat transfer performance of devices incorporating high-conductivity porous materials, it is necessary to determine the relevant effective properties to close the volume-averaged ... -
Optimization of Free Convection Heat Transfer From Vertical Plates Using Nanofluids
(The American Society of Mechanical Engineers (ASME), 2012)Free convection heat transfer in nanofluids from vertical flat plates at uniform temperature is investigated theoretically. The main idea upon which the present work is based is that nanofluids ...