Journal of Heat Transfer: Recent submissions
Now showing items 2321-2340 of 3611
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Editorial to Introduce the Special Edition on Computational Fluid Dynamics
(The American Society of Mechanical Engineers (ASME), 2013)On April 28, 2010, a oneday symposium on computational fluid dynamics (CFD) to honor Professor D. B. Spalding, the 2010 recipient of the prestigious Benjamin Franklin Medal in Mechanical Engineering, was held at Villanova ... -
Heat Transfer in the Flow of a Cold, Axisymmetric Jet Over a Hot Sphere
(The American Society of Mechanical Engineers (ASME), 2013)The heattransfer characteristics of thin film flow over a hot sphere resulting from a cold vertical jet of liquid falling onto the surface have been investigated. The underlying physical features have been illustrated by ... -
A Simple Thermal Resistance Model for Open Cell Metal Foams
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents a methodology for obtaining the convective heat transfer coefficient from the wall of a heated aluminium plate, placed in a vertical channel filled with open cell metal foams. For accomplishing this, a ... -
Analytical Investigation of Gaussian Roughness Effects on the Thermal Performance of Conical Microfins
(The American Society of Mechanical Engineers (ASME), 2013)Effects of Gaussian surface roughness on different aspects of thermal performance of conical microfins are investigated. A new analytical model is developed, applying the Adomian decomposition method. Convergence of the ... -
Full Coverage Film Cooling: Film Effectiveness and Heat Transfer Coefficients for Dense Hole Arrays at Different Hole Angles, Contraction Ratios, and Blowing Ratios
(The American Society of Mechanical Engineers (ASME), 2013)Experimental results are presented for a fullcoverage film cooling arrangement which simulates a portion of a gas turbine engine, with appropriate streamwise static pressure gradient. The test surface utilizes varying ... -
Experimental Investigation of Effect of a Surfactant to Increase Cooling of Hot Steel Plates by a Water Jet
(The American Society of Mechanical Engineers (ASME), 2013)The requirement for high tensile strength steel has placed greater emphasis on the cooling methods used in the cooling of a hot steel plate. The purpose of this research is to study the effect of surfactant concentration ... -
Soret Effect on the Natural Convection From a Vertical Plate in a Thermally Stratified Porous Medium Saturated With Non Newtonian Liquid
(The American Society of Mechanical Engineers (ASME), 2013)The paper highlights the application of a recent seminumerical successive linearization method (SLM) in solving highly coupled, nonlinear boundary value problem. The method is presented in detail by solving the problem of ... -
Heat Transfer Investigation of Air Flow in Microtubes—Part II: Scale and Axial Conduction Effects
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, the scale effects are specifically addressed by conducting experiments with air flow in different microtubes. Three stainless steel tubes of 962, 308, and 83 خ¼m inner diameter (ID) are investigated for ... -
Thermoelectric Performance of Novel Composite and Integrated Devices Applied to Waste Heat Recovery
(The American Society of Mechanical Engineers (ASME), 2013)Thermoelectric elements, made of semiconductor slices laminated onto highly conductive interconnector materials, are termed composite thermoelectric device (TED). An integrated TED is a composite TED with the interconnector ... -
Film Cooling of Cylindrical Hole With a Downstream Short Crescent Shaped Block
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents a method to improve the filmcooling effectiveness of cylindrical holes. A short crescentshaped block is placed at the downstream of a cylindrical cooling hole. The block shape is defined by a number of ... -
Maxwell Fluids Unsteady Mixed Flow and Radiation Heat Transfer Over a Stretching Permeable Plate With Boundary Slip and Nonuniform Heat Source/Sink
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents an analysis for the unsteady mixed boundarylayer flow and radiation heat transfer of generalized Maxwell fluids toward an unsteady stretching permeable surface in presence of boundary slip and nonuniform ... -
Heat Transfer Investigation of Air Flow in Microtubes—Part I: Effects of Heat Loss, Viscous Heating, and Axial Conduction
(The American Society of Mechanical Engineers (ASME), 2013)Experiments were conducted to investigate local heat transfer coefficients and flow characteristics of air flow in a 962 خ¼m inner diameter stainless steel microtube (minichannel). The effects of heat loss, axial heat ... -
Evaporative Heat Transfer Analysis of a Heat Pipe With Hybrid Axial Groove
(The American Society of Mechanical Engineers (ASME), 2013)Through the application of thin film evaporation theory and the fundamental operating principles of heat pipes, a hybrid axial groove has been developed that can greatly enhance the performance characteristics of conventional ... -
Effect of Viscous Dissipation, Internal Heat Source/Sink, and Thermal Radiation on a Hydromagnetic Liquid Film Over an Unsteady Stretching Sheet
(The American Society of Mechanical Engineers (ASME), 2013)In this study, the effect of magnetic field, viscous dissipation, nonuniform heat source, and/or sink and thermal radiation on flow and heat transfer in a hydromagnetic liquid film over an unsteady stretching sheet with ... -
Effects of Vapor Velocity and Pressure on Marangoni Condensation of Steam Ethanol Mixtures on a Horizontal Tube
(The American Society of Mechanical Engineers (ASME), 2013)Careful heattransfer measurements have been conducted for condensation of steamethanol mixtures flowing vertically downward over a horizontal, watercooled tube at pressures ranging from around atmospheric down to 14 kPa. ... -
Role of Thermal Interaction Between Aggregated Particles in Thermal Conductivity Enhancement of Nanofluids
(The American Society of Mechanical Engineers (ASME), 2013)This study investigates the role of thermalinteraction (TI) between aggregated particles (APs) on the enhanced thermal conductivity of nanofluids. With the assumption of configurations of linear chainlike aggregates in the ... -
A Revised Approach for One Dimensional Time Dependent Heat Conduction in a Slab
(The American Society of Mechanical Engineers (ASME), 2013)Classical Green’s and Duhamel’s integral formulas are enforced for the solution of one dimensional heat conduction in a slab, under general boundary conditions of the first kind. Two alternative numerical approximations ... -
Analytical Solutions of Heat Transfer and Film Thickness in Thin Film Evaporation
(The American Society of Mechanical Engineers (ASME), 2013)A mathematical model predicting heat transfer and film thickness in thinfilm region is developed herein. Utilizing dimensionless analysis, analytical solutions have been obtained for heat flux distribution, total heat ... -
The Onset of Double Diffusive Convection in a Vertical Cylinder With Vertical Throughflow
(The American Society of Mechanical Engineers (ASME), 2013)The effect of vertical throughflow on the onset of convection, induced by an applied vertical temperature gradient in a vertical cylinder is studied analytically using linear stability theory. This problem is important to ... -
Foreword to Special Issue on Micro/Nanoscale Heat and Mass Transfer
(The American Society of Mechanical Engineers (ASME), 2012)The second ASME Micro/Nanoscale Heat and Mass Transfer International Conference (MNHMT09) was held in Shanghai on Dec. 18–21, 2009 (http:/www.asmeconference.org/MNHMT09). The conference was intended ...