Journal of Heat Transfer: Recent submissions
Now showing items 2221-2240 of 3611
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Viscous Corrections for the Viscous Potential Flow Analysis of Rayleigh–Taylor Instability With Heat and Mass Transfer
(The American Society of Mechanical Engineers (ASME), 2013)Viscous corrections for the viscous potential flow analysis of Rayleigh–Taylor instability of two viscous fluids when there is heat and mass transfer across the interface have been considered. Both fluids are taken as ... -
Solidification of Two Dimensional Viscous, Incompressible Stagnation Flow
(The American Society of Mechanical Engineers (ASME), 2013)The history of the study of fluid solidification in stagnation flow is limited to a few cases. Among these few studies, only some articles have considered the fluid viscosity and yet pressure variations along the thickness ... -
Optimum Jet to Plate Spacing of Inline Impingement Heat Transfer for Different Crossflow Schemes
(The American Society of Mechanical Engineers (ASME), 2013)A ninebynine jet array impinging on a flat plate at Reynolds numbers from 15,000 to 35,000 has been studied by the transient liquid crystal method. The spacing between the impingement plate and target plate is adjusted to ... -
Effect of Buoyancy on the Mechanism of Heat Transfer Deterioration of Supercritical Water in Horizontal Tubes
(The American Society of Mechanical Engineers (ASME), 2013)In order to get insights into the mechanisms governing the heat transfer deterioration (HTD) of supercritical water, systematical numerical simulations were carried out in the present study for the flow and heat transfer ... -
Thermal Characteristics of Open and Contained Data Center Cold Aisle
(The American Society of Mechanical Engineers (ASME), 2013)Cold aisle containment is used in raised floor, air cooled data centers to minimize direct mixing between the supplied cold air and the hot air exiting from the servers. The objective of such a system is to minimize the ... -
An Effective Finite Difference Method for Simulation of Bioheat Transfer in Irregular Tissues
(The American Society of Mechanical Engineers (ASME), 2013)A threedimensional (3D) simulation of bioheat transfer is crucial to analyze the physiological processes and evaluate many therapeutic/diagnostic practices spanning from high to low temperature medicine. In this paper we ... -
Galerkin Solution of Stochastic Reaction Diffusion Problems
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, the Galerkin method is used to obtain numerical solutions to twodimensional steadystate reactiondiffusion problems. Uncertainties in reaction and diffusion coefficients are modeled using parameterized ... -
One Dimensional Transient Heat Conduction in Composite Living Perfuse Tissue
(The American Society of Mechanical Engineers (ASME), 2013)Modeling the conduction of heat in living tissue requires the consideration of sudden spatial discontinuities in property values as well as the presence of the body's circulatory system. This paper presents a description ... -
Evaluation on the Power Generation Capacity of an Implantable Thermoelectric Generator Driven by Radioisotope Fuel
(The American Society of Mechanical Engineers (ASME), 2013)Embedding a thermoelectric generator (TEG) in a biological body is a promising way to supply electronic power in the long term for an implantable medical device (IMD). The unique merit of such a method lies in its direct ... -
Bio Inspired Segmented Flow: Effect of Particle Elongation on the Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2013)This study presents numerical simulations of forced convection heat transfer with parachuteshaped segmented flow. The particles are encapsulated phasechange material flowing with water through a square crosssection duct ... -
The Dynamics of Bubble Growth at Medium High Superheat: Boiling in an Infinite Medium and on a Wall
(The American Society of Mechanical Engineers (ASME), 2013)At high superheat, bubble growth is rapid and the heat transfer is dominated by radial convection. This has been found, in the case of a droplet boiling within another liquid and in the case of a bubble growing on a heated ... -
Combined Microstructure and Heat Conduction Modeling of Heterogeneous Interfaces and Materials
(The American Society of Mechanical Engineers (ASME), 2013)Heterogeneous materials are becoming more common in a wide range of functional devices, particularly those involving energy transport, conversion, and storage. Often, heterogeneous materials are crucial to the performance ... -
Wideband Tunable Omnidirectional Infrared Absorbers Based on Doped Silicon Nanowire Arrays
(The American Society of Mechanical Engineers (ASME), 2013)The present study considers the directional and spectral radiative properties of vertically aligned, heavily doped silicon nanowires for applications as broadband infrared diffuse absorbers. The nanowire array is modeled ... -
The Treatment of Nongray Properties in Radiative Heat Transfer: From Past to Present
(The American Society of Mechanical Engineers (ASME), 2013)Radiative heat transfer in hightemperature participating media displays very strong spectral, or “nongray,†behavior, which is both very difficult to characterize and to evaluate. This has led to very gradual development ... -
From the Casimir Limit to Phononic Crystals: 20 Years of Phonon Transport Studies Using Silicon on Insulator Technology
(The American Society of Mechanical Engineers (ASME), 2013)Silicononinsulator (SOI) technology has sparked advances in semiconductor and MEMs manufacturing and revolutionized our ability to study phonon transport phenomena by providing singlecrystal silicon layers with thickness ... -
Heat Transfer in Thermoelectric Materials and Devices
(The American Society of Mechanical Engineers (ASME), 2013)Solidstate thermoelectric devices are currently used in applications ranging from thermocouple sensors to power generators in space missions, to portable airconditioners and refrigerators. With the everrising demand ... -
Tuning Phonon Transport: From Interfaces to Nanostructures
(The American Society of Mechanical Engineers (ASME), 2013)A wide range of modern technological devices utilize materials structured at the nanoscale to improve performance. The efficiencies of many of these devices depend on their thermal transport properties; whether a high or ... -
Thermal Issues in Materials Processing
(The American Society of Mechanical Engineers (ASME), 2013)This paper considers the thermal aspects that frequently arise in practical materials processing systems. Important issues such as feasibility, product quality, and production rate have a thermal basis in many cases and ... -
Enhanced Flow Boiling Over Open Microchannels With Uniform and Tapered Gap Manifolds
(The American Society of Mechanical Engineers (ASME), 2013)Flow boiling in microchannels has been extensively studied in the past decade. Instabilities, low critical heat flux (CHF) values, and low heat transfer coefficients have been identified as the major shortcomings preventing ... -
Molecular Heat Transfer in Lipid Bilayers With Symmetric and Asymmetric Tail Chains
(The American Society of Mechanical Engineers (ASME), 2013)Intramolecular energy transfer in polymer molecules plays a dominant role in heat conduction in polymer materials. In soft matter where polymer molecules form an ordered structure, the intramolecular energy transfer works ...