Journal of Heat Transfer: Recent submissions
Now showing items 2381-2400 of 3611
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Forced Convection Heat Transfer Using High Temperature and Pressure Water in an Upward-Inclined Tube
(The American Society of Mechanical Engineers (ASME), 2012)Within the range of pressure from 9 to 28 MPa, mass flux from 600 to 1500 kg/m2 s, heat flux at inside wall from 200 to 600 kW/m2 , and wall temperature up to 650 °C, experiments ... -
Identifying Inefficiencies in Unsteady Pin Fin Heat Transfer Using Orthogonal Decomposition
(The American Society of Mechanical Engineers (ASME), 2012)Internal cooling of the trailing edge region in a gas turbine blade is typically achieved with an array of pin fins. In order to better understand the effectiveness of this configuration, ... -
Flow Boiling of Water on Nanocoated Surfaces in a Microchannel
(The American Society of Mechanical Engineers (ASME), 2012)The experiments were performed to study the effects of surface wettability on flow boiling of water at atmospheric pressure. The test channel is a single rectangular channel 0.5 mm high, 5 ... -
A Theoretical Model for Axial Heat Conduction Effects During Single-Phase Flow in Microchannels
(The American Society of Mechanical Engineers (ASME), 2012)A model is developed to analyze the effect of axial conduction on heat transfer during single-phase flow in microchannels. The axial heat conduction in the wall introduces heat flow toward the ... -
Theoretical and Experimental Study of a Flexible Wiretype Joule–Thomson Microrefrigerator for Use in Cryosurgery
(The American Society of Mechanical Engineers (ASME), 2012)We have developed a model capable of predicting the performance characteristics of a wiretype Joule–Thomson microcooler intended for use within a cryosurgical probe. Our objective was to be able ... -
History, Advances, and Challenges in Liquid Flow and Flow Boiling Heat Transfer in Microchannels: A Critical Review
(The American Society of Mechanical Engineers (ASME), 2012)As the scale of devices becomes small, thermal control and heat dissipation from these devices can be effectively accomplished through the implementation of microchannel passages. The small ... -
Influence of Force Fields and Flow Patterns on Boiling Heat Transfer Performance: A Review
(The American Society of Mechanical Engineers (ASME), 2012)Recent experimentation of boiling in different environments, namely in reduced or enhanced gravity and/or in the presence of electric fields, have shed new light on the comprehension of boiling ... -
Heat Transfer to Foods: Ensuring Safety and Creating Microstructure
(The American Society of Mechanical Engineers (ASME), 2012)Heat transfer in foods is commonplace in the home and restaurant, but is also the basis for a very large industry. Foods are complex non-Newtonian soft solids or structured liquids whose ... -
Manipulation of Thermal Emission by Use of Micro and Nanoscale Structures
(The American Society of Mechanical Engineers (ASME), 2012)In high temperature and vacuum applications, for which heat transfer is predominantly by radiation, the material’s surface texture is of substantial importance. Several micro and nanostructures ... -
Numerical Prediction of Heat Transfer Patterns in a Subject-Specific Human Upper Airway
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, the flow and heat transfer patterns in a subject-specific geometry of the human upper airway is numerically studied. The study was conducted for steady, inspiratory flow associated ... -
Analysis of Heat Loadings in the Forced Cooled Electronic Chassis or Cold Plate
(The American Society of Mechanical Engineers (ASME), 2012)The forced cooled electronic chassis is revisited and, because of recent developments, changes which amend the design procedure are proposed. These considerations involve the thickness of the ... -
Heat and Mass Transfer in Solid State Hydrogen Storage: A Review
(The American Society of Mechanical Engineers (ASME), 2012)Metal hydrides are formed when certain metals or alloys are exposed to hydrogen at favorable temperatures and pressures. In order to sustain the sorption of hydrogen during this exothermic ... -
Multiscale Simulations of Heat Transfer and Fluid Flow Problems
(The American Society of Mechanical Engineers (ASME), 2012)The multiscale problems in the thermal and fluid science are classified into two categories: multiscale process and multiscale system. The meanings of the two categories are described. Examples ... -
Thermodynamics and Transport Phenomena in High Temperature Steam Electrolysis Cells
(The American Society of Mechanical Engineers (ASME), 2012)Hydrogen can be produced from water splitting with relatively high efficiency using high temperature electrolysis. This technology makes use of solid-oxide cells, running in the electrolysis mode ... -
Whole-Body Human Thermal Modeling, an Alternative to Immersion in Cold Water and Other Unpleasant Endeavors
(The American Society of Mechanical Engineers (ASME), 2012)Analysis of heat transfer in the human involves different scales ranging from countercurrent heat transfer between small arteries and veins to the whole-body, which is the principal subject of ... -
Computational Heat Transfer in Complex Systems: A Review of Needs and Opportunities
(The American Society of Mechanical Engineers (ASME), 2012)During the few decades, computational techniques for simulating heat transfer in complex industrial systems have reached maturity. Combined with increasingly sophisticated modeling of turbulence, ... -
Modeling the Flow and Heat Transfer in a Packed Bed High Temperature Gas-Cooled Reactor in the Context of a Systems CFD Approach
(The American Society of Mechanical Engineers (ASME), 2012)Engineers are faced with two major challenges when carrying out the thermal-fluid design of a complex system consisting of many interacting components. The first challenge is to predict the ... -
Eddie Leonardi Memorial Lecture: “Natural Convection From Earth to Space”
(The American Society of Mechanical Engineers (ASME), 2012)This lecture is dedicated to the memory of Professor Eddie Leonardi, formerly International Heat Transfer Conference (IHTC-13) Secretary, who tragically died at an early age on December 14, 2008. ... -
Macroscopic and Microscale Phenomena in Multiphase Energy Storage and Transport Systems
(The American Society of Mechanical Engineers (ASME), 2012)Complex macroscale and microscale heat and mass transfer phenomena are encountered in thermal energy storage and transport systems. Those systems involving ice slurries and nanoemulsions of phase ... -
Control of Turbulent Transport: Less Friction and More Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2012)Because of the importance of fundamental knowledge on turbulent heat transfer for further decreasing entropy production and improving efficiency in various thermofluid systems, we revisit a classical ...