Journal of Heat Transfer: Recent submissions
Now showing items 1821-1840 of 3611
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Effect of Horizontal Alternating Current Electric Field on the Stability of Natural Convection in a Dielectric Fluid Saturated Vertical Porous Layer
(The American Society of Mechanical Engineers (ASME), 2015)The stability of natural convection in a dielectric fluidsaturated vertical porous layer in the presence of a uniform horizontal AC electric field is investigated. The flow in the porous medium is governed by Brinkman– ... -
High Order Bubble Dynamics in Incompressible Liquid
(The American Society of Mechanical Engineers (ASME), 2015)A semianalytical approximation to the solution of the radial Fourier equation describing liquid temperature dynamics in the vicinity of a spherical bubble is presented. This approximation opens a possibility to construct ... -
Experimental Pressure Drop and Heat Transfer in a Rectangular Channel With a Sinusoidal Porous Screen
(The American Society of Mechanical Engineers (ASME), 2015)Experiments are conducted to investigate turbulence enhancing effects of a porous meshscreen with a sinusoidal shape normal to the flow direction inside a rectangular cross section air channel at low Reynolds numbers (i.e., ... -
Thermal Conduction Performance of Fiber Enhanced Polyalcohol Binary Systems
(The American Society of Mechanical Engineers (ASME), 2015)Polyalcohol has poor heat conduction performance. A fiberenhanced polyalcohol binary system combines polyalcohol with a copper fiber net to improve its heat conduction performance. In a binary system without fibers, more ... -
Numerical Simulation of Forced Convective Condensation of Propane in a Spiral Tube
(The American Society of Mechanical Engineers (ASME), 2015)A numerical simulation of forced convective condensation of propane in an upright spiral tube is presented. In the numerical simulations, the important models are used: implicit volume of fluid (VOF) multiphase model, ... -
Boiling Heat Transfer to Dilute Emulsions From a Vertical Heated Strip
(The American Society of Mechanical Engineers (ASME), 2015)Heat transfer measurements for nucleate pool boiling of a dilute emulsion on a short vertical surface are reported. The vertical surface is a thin steel ribbon of 1.35 mm height أ— 101 mm length. Direct current ... -
Saturation Boiling Critical Heat Flux of PF 5060 Dielectric Liquid on Microporous Copper Surfaces
(The American Society of Mechanical Engineers (ASME), 2015)Pool boiling experiments are performed to investigate potential enhancement of critical heat flux (CHF) of PF5060 dielectric liquid on microporous copper (MPC) surfaces and the effect of surface inclination angle. The ... -
A Mesoscale Electrohydrodynamic Driven Two Phase Flow Heat Transport Device in Circular Geometry and In Tube Boiling Heat Transfer Coefficient Under Low Mass Flux
(The American Society of Mechanical Engineers (ASME), 2015)Meso and microscale twophase flow heat transport involves devices that are used to remove heat from small surface areas by circulating a working fluid through the heated space and causing phase change from liquid to vapor. ... -
Lie Group Analysis of a Nanofluid Bioconvection Flow Past a Vertical Flat Surface With an Outer Power Law Stream
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, an analysis on a bioconvection flow of a nanofluid past a vertical flat plate in the presence of an out powerlaw stream is made. The passively controlled nanofluid model is used to approximate this flow ... -
A Leidenfrost Thermostat
(The American Society of Mechanical Engineers (ASME), 2015)A simple thermostat based on selfpropelled Leidenfrost droplets is proposed and demonstrated. The proofofprinciple device sits on a heated hotplate, which provides the heat, but under dripping water which cools it. Using ... -
Thermal Convection in Porous Media at High Rayleigh Numbers
(The American Society of Mechanical Engineers (ASME), 2015)An experimental study of thermal convection in a porous medium investigates the heat transfer across a horizontal layer heated from below at high Rayleigh number. Using a packed bed of polypropylene spheres in a cubic ... -
Collocation Spectral Method for the Transient Conduction–Radiation Heat Transfer With Variable Thermal Conductivity in Two Dimensional Rectangular Enclosure
(The American Society of Mechanical Engineers (ASME), 2015)The collocation spectral method (CSM) is further developed to solve the transient conduction–radiation heat transfer in a twodimensional (2D) rectangular enclosure with variable thermal conductivity. The energy equation ... -
Closure to “Discussion of â€کMixed Convection From a Convectively Heated Vertical Plate to a Fluid With Internal Heat Generation’†(2011, ASME J. Heat Transfer, 33, p. 122501)
(The American Society of Mechanical Engineers (ASME), 2015)The argument of discussion by “Asterios Pantokratoras†with respect to the correctness of the published paper [1] is totally unfounded and misleading. First, it appears that “Asterios Pantokratoras†did not understand ... -
Effect of the Carbon Nanotube Distribution on the Thermal Conductivity of Composite Materials
(The American Society of Mechanical Engineers (ASME), 2015)Finite element analysis has been employed to investigate the effect of carbon nanotubes (CNTs) distribution on the thermal conductivity of composite materials. Several kinds of representative volume elements (RVEs) employed ... -
Transient Couple Stress Fluid Past a Vertical Cylinder With Bejan’s Heat and Mass Flow Visualization for Steady State
(The American Society of Mechanical Engineers (ASME), 2015)In the present study, the transient, free convective, boundary layer flow of a couple stress fluid flowing over a vertical cylinder is investigated, and the heat and mass functions for the final steadystate of the present ... -
The New Mathematical Models for Plain Fin and Tube Heat Exchangers With Dehumidification
(The American Society of Mechanical Engineers (ASME), 2015)For evaluating performance of finandtube heat exchangers under dehumidifying conditions, the recent lumped approach models are based on the enthalpy potential or equivalent dry bulb temperature. This study proposes a new ... -
Full Coverage Film Cooling: Heat Transfer Coefficients and Film Effectiveness for a Sparse Hole Array at Different Blowing Ratios and Contraction Ratios
(The American Society of Mechanical Engineers (ASME), 2015)The present experimental investigation considers a full coverage film cooling arrangement with different streamwise static pressure gradients. The film cooling holes in adjacent streamwise rows are staggered with respect ... -
Experimental and Numerical Study of Heat Transfer and Flow Friction in Channels With Dimples of Different Shapes
(The American Society of Mechanical Engineers (ASME), 2015)An experimental and numerical study was conducted to investigate the effects of dimple shapes on the heat transfer and flow friction of a turbulent flow over dimpled surfaces with different dimple shapes: spherical, teardrop, ... -
Call For Photographs
(The American Society of Mechanical Engineers (ASME), 2015) -
Retracted: “Neural Network Methodology for Modeling Heat Transfer in Wake Flow†[ASME Journal of Heat Transfer, 2015, 137(2), p. 022201]
(The American Society of Mechanical Engineers (ASME), 2015)The above referenced paper is being retracted from the Journal of Heat Transfer.