Journal of Heat Transfer: Recent submissions
Now showing items 2581-2600 of 3611
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Thermal Actuation Using Nanocomposites: A Computational Analysis
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, we propose the use of Si/Ge nanocomposite materials to improve the performance of microthermal actuators. Nanocomposites with a high electrical to thermal conductivity ratio can ... -
Thermal Modeling and Analysis of a Thermal Barrier Coating Structure Using Non-Fourier Heat Conduction
(The American Society of Mechanical Engineers (ASME), 2012)This paper presents a numerical solution of the hyperbolic heat conduction equation in a thermal barrier coating (TBC) structure under an imposed heat flux on the exterior of the TBC. The ... -
Discussion: “Friction Numbers and Viscous Dissipation Heating for Laminar Flows of Water in Microtubes” (El-Genk, M., and Yang, I., 2008, ASME J. Heat Transfer, 130, p. 082405)
(The American Society of Mechanical Engineers (ASME), 2012)In the above paper [1], the authors determine the friction number and the slip length for laminar water flow in microtubes from the reported measurements in experiments of the temperature rise ... -
Thermoreflectance Measurement of Temperature and Thermal Resistance of Thin Film Gold
(The American Society of Mechanical Engineers (ASME), 2012)To improve performance and reliability of integrated circuits, accurate knowledge of thermal transport properties must be possessed. In particular, reduced dimensions increase boundary scattering ... -
Heat and Mass Transfer in Power-Law Nanofluids Over a Nonisothermal Stretching Wall With Convective Boundary Condition
(The American Society of Mechanical Engineers (ASME), 2012)A boundary layer analysis that has been presented for the heat and mass transfer in power-law nanofluids over a stretching surface with convective boundary condition are investigated numerically. ... -
Transient Calorimetric Measurement Method for Total Hemispherical Emissivity
(The American Society of Mechanical Engineers (ASME), 2012)The transient calorimetric technique was used to measure the total hemispherical emissivity of conductive materials. The emissivity was measured in a small central region of a thin strip heated ... -
Geometric and Thermodynamic Optimization of a Heat Recovery Steam Generator: A Constructal Design
(The American Society of Mechanical Engineers (ASME), 2012)Heat recovery steam generator (HRSG) is a critically important subsystem of a combined cycle. The global objective of a HRSG is to heat the stream of water. The HRSG is composed of three ... -
Three-Dimensional Inverse Heat Transfer in a Composite Target Subject to High-Energy Laser Irradiation
(The American Society of Mechanical Engineers (ASME), 2012)A new numerical model is developed to simulate the 3D inverse heat transfer in a composite target with pyrolysis and outgassing effects. The gas flow channel size and gas addition velocity ... -
Closure to “Discussion of ‘Friction Numbers and Viscous Dissipation Heating for Laminar Flows of Water in Microtubes’” (2008, ASME J. Heat Transfer, 130, p. 082405)
(The American Society of Mechanical Engineers (ASME), 2012)The derivation in our paper is for liquid (water) flow in a microtube, with a slip at the wall. For this problem, in the paper by El-Genk and Yang, a stationary microlayer, δ, whose thickness ... -
Real-Time Evaluation of Severe Heat Load Over Moving Interface of Decomposing Composites
(The American Society of Mechanical Engineers (ASME), 2012)Decomposing composites undergo both surface removal and in-depth decomposition, when they are subjected to severe heating environments. As a result, the gas phase and the chemical species are ... -
Treatment of Uveal Melanoma by Nonthermal Irreversible Electroporation: Electrical and Bioheat Finite Element Model of the Human Eye
(The American Society of Mechanical Engineers (ASME), 2012)Nonthermal irreversible electroporation (NTIRE) is an new minimally invasive tissue ablation modality that uses high electric field pulses to produce irreversible permeation of the cell membrane ... -
Review and Advances in Heat Pipe Science and Technology
(The American Society of Mechanical Engineers (ASME), 2012)Over the last several decades, several factors have contributed to a major transformation in heat pipe science and technology applications. The first major contribution was the development and ... -
A Spectrally Accurate Two-Dimensional Axisymmetric, Tightly Coupled Photon Monte Carlo Radiative Transfer Equation Solver for Hypersonic Entry Flows
(The American Society of Mechanical Engineers (ASME), 2012)A two-dimensional axisymmetric ray tracing photon Monte Carlo radiative transfer solver is developed. Like all ray tracing Monte Carlo codes, the ray tracing is performed in 3D, however, ... -
Microchannel Two-Phase Flow Oscillation Control With an Adjustable Inlet Orifice
(The American Society of Mechanical Engineers (ASME), 2012)This work describes the experimental setup, method, and results of utilizing a micrometer to move an adjustable orifice immediately in front of an array of microchannels. Research by others ... -
Laminar Natural Convection From an Isothermal Vertical Surface to Pseudoplastic and Dilatant Fluids
(The American Society of Mechanical Engineers (ASME), 2012)This paper reports the results of a numerical study of natural convective heat transfer from a vertical isothermal surface to pseudoplastic and dilatant fluids. The analysis calculates the average ... -
Laminar Natural Convection of Power-Law Fluids in a Square Enclosure With Differentially Heated Sidewalls Subjected to Constant Wall Heat Flux
(The American Society of Mechanical Engineers (ASME), 2012)Two-dimensional steady-state laminar natural convection of inelastic power-law non-Newtonian fluids in square enclosures with differentially heated sidewalls subjected to constant wall heat flux ... -
Equation-Solving DRESOR Method for Radiative Transfer in an Absorbing–Emitting and Isotropically Scattering Slab With Diffuse Boundaries
(The American Society of Mechanical Engineers (ASME), 2012)The distribution of ratios of energy scattered by the medium or reflected by the boundary surface (DRESOR) method can provide radiative intensity with high directional resolution, but also suffers ... -
An Experimental and Numerical Study of Flow and Heat Transfer in Channels With Pin Fin-Dimple Combined Arrays of Different Configurations
(The American Society of Mechanical Engineers (ASME), 2012)An experimental and numerical study was conducted to investigate the flow and heat transfer characteristics in channels with pin fin-dimple combined arrays of different configurations, where dimples ... -
High Heat Flux With Small Scale Monodisperse Sprays
(The American Society of Mechanical Engineers (ASME), 2012)This work is aimed at cooling small surfaces (1.3 mm × 2 mm and 3 mm × 5 mm) using spray from thermal ink jet (TIJ) atomizers. Particular interests in this work include obtaining ... -
Analytical Solution of the Hyperbolic Heat Conduction Equation for a Moving Finite Medium Under the Effect of Time Dependent Laser Heat Source
(The American Society of Mechanical Engineers (ASME), 2012)This paper presents an analytical solution of the hyperbolic heat conduction equation for a moving finite medium under the effect of a time-dependent laser heat source. Laser heating is modeled ...