Journal of Heat Transfer: Recent submissions
Now showing items 1541-1560 of 3611
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In Memoriam: Professor Richard H. Pletcher (1935–2015), Who Advanced Computational Fluid Mechanics and Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2016)It is with great sadness that we share with you the loss of a dear colleague and friend, Dr. Richard H. Pletcher. He was one of the pioneers and an internationally renowned expert in computational fluid mechanics and heat ... -
Constructal Design of an Entropic Wall With Circulating Water Inside
(The American Society of Mechanical Engineers (ASME), 2016)An entropic wall with circulating water inside could be a solution for acclimatizing a new building with highenergy efficiency and high levels of internal comfort. If circulating water is thermally stabilized by exchanging ... -
Heat Transfer Analysis of Mixed Electro osmosis Pressure Driven Flow for Power Law Fluids Through a Microtube
(The American Society of Mechanical Engineers (ASME), 2016)In this work, convection heat transfer for combined electroosmotic and pressure driven flow of powerlaw fluid through a microtube has been analyzed. Typical results for velocity and temperature distributions, friction ... -
Enhanced Heat Transfer and Fouling Propensity of Diamond Like Carbon Coated Smooth and Finned Tubes During External Nucleate Boiling
(The American Society of Mechanical Engineers (ASME), 2016)Smooth DLC (diamondlike carbon) coated surfaces can profoundly mitigate scaling during pool boiling of calcium sulphate solutions. Previous investigations though carried out mostly for the smooth surfaces rather than ... -
Numerical Analysis of Heat Transfer Characteristics of a Falling Film Type Plate Fin Condenser/Reboiler
(The American Society of Mechanical Engineers (ASME), 2016)Falling film type condensers/reboilers applied to cryogenic air separation units (ASUs) have drawn more attentions in recent years. This paper presents and analyzes a mathematical model for the falling film platefin ... -
Optimizing a Functionally Graded Metal Matrix Heat Sink Through Growth of a Constructal Tree of Convective Fins
(The American Society of Mechanical Engineers (ASME), 2016)Optimal material utilization in metalmatrix heat sink is investigated using constructal design (CD) in combination with fin theory to develop a constructal tree of optimally shaped convective fins. The structure is developed ... -
Thermophysical and Geometrical Effects on the Thermal Performance and Optimization of a Three Dimensional Integrated Circuit
(The American Society of Mechanical Engineers (ASME), 2016)A comprehensive analysis and optimization of a threedimensional integrated circuit (3D IC) structure and its thermophysical attributes are presented in this work. The thermophysical and geometrical attributes studied in ... -
Mixed Convection Boundary Layer Flow Near the Lower Stagnation Point of a Cylinder Embedded in a Porous Medium Using a Thermal Nonequilibrium Model
(The American Society of Mechanical Engineers (ASME), 2016)The present paper analyzes the problem of twodimensional mixed convection boundary layer flow near the lower stagnation point of a cylinder embedded in a porous medium. It is assumed that the Darcy's law holds and that the ... -
A New Correlation for the Turbulent Prandtl Number in Upward Rounded Tubes in Supercritical Fluid Flows
(The American Society of Mechanical Engineers (ASME), 2016)Numerical results show that at supercritical pressures, once the buoyancy force increases, the effect of the turbulent Prandtl number, Prt, on convective heat transfer becomes considerable. This phenomenon has not been ... -
A Proper Orthogonal Decomposition Analysis Method for Multimedia Heat Conduction Problems
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, a new proper orthogonal decomposition (POD) analysis method is proposed for numerical analysis of thermal mechanical engineering problems consisting of multiple media. After the creation of a heat conduction ... -
Coupled Thermal Radiation and Mixed Convection Step Flow of Nongray Gas
(The American Society of Mechanical Engineers (ASME), 2016)The main goal of this paper is to analyze the thermal and hydrodynamic behaviors of laminar mixed convection flow of a nongray radiating gas over an inclined step in an inclined duct. The fluid is considered an air mixture ... -
Long Term Evolution of SCD 1 Satellite Temperatures Based on Comparative Analysis of Telemetric Data Measured in Orbit
(The American Society of Mechanical Engineers (ASME), 2016)This paper presents results of the research investigation regarding the causes for temperature variation of the SCD1 (datacollection satellite) by analyzing its thermal behavior evolution throughout 13 years in orbit. SCD1, ... -
Analytical Solution of the Thermal Entrance Heat Transfer Problem for Viscous Flow in Annulus
(The American Society of Mechanical Engineers (ASME), 2016)The Graetz–Nusselt problem with Brinkman extension is considered for steadystate laminar Newtonian flow in annuli. To solve the problem, a separation of variables method is used. In the limiting cases, the eigenvalues ... -
Numerical Research of Film Boiling Heat Transfer Around a Vertical Short Cylinder With Flat or Hemispherical Ends
(The American Society of Mechanical Engineers (ASME), 2016)Film boiling is a heat transfer mechanism that might appear in different processes, such as cryogenics, metallurgical, and nuclear reactors during abnormal operating conditions, as happens during a loss of coolant accident. ... -
Experimental Characterization of Inward Freezing and Melting of Additive Enhanced Phase Change Materials Within Millimeter Scale Cylindrical Enclosures
(The American Society of Mechanical Engineers (ASME), 2016)The inward melting and solidification of phasechange materials (PCM) within millimeterscale cylindrical enclosures have been experimentally characterized in this work. The effects of cylinder size, thermal loading, and ... -
Numerical Investigation of Heat and Mass Transfer During the Desorption Process of a LaNi5–H2 Reactor
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, coupled heat and mass transfer during the desorption process of a metal–hydrogen reactor (LaNi5–H2) is numerically investigated. To predict the dynamic behavior of this reactor, a new algorithm based on ... -
Unsteady Flow and Heat Transfer Characteristics of Fluid Flow Over a Shrinking Permeable Infinite Long Cylinder
(The American Society of Mechanical Engineers (ASME), 2016)The present work studies the unsteady, viscous, and incompressible laminar flow and heat transfer over a shrinking permeable cylinder. The unsteady nonlinear Navier–Stokes and energy equations are reduced, using similarity ... -
Measurement and Modeling of Tissue Thermal Conductivity With Variable Water Content and Compression
(The American Society of Mechanical Engineers (ASME), 2016)The effects of water content and compression level on tissue thermal conductivity were studied. These effects are important in electrosurgery, as tissue is subjected to both compression and thermal heating. Ex vivo canine ... -
Measurement of Local Mass Transfer and the Resulting Roughness in a Large Diameter S Bend at High Reynolds Number
(The American Society of Mechanical Engineers (ASME), 2016)The local mass transfer and the resulting roughness in a 203 mm diameter backtoback bend arranged in an Sconfiguration were measured at a Reynolds number of 300,000. A dissolving wall method using gypsum dissolution to ... -
Pool Boiling Heat Transfer Enhancement of Water Using Brazed Copper Microporous Coatings
(The American Society of Mechanical Engineers (ASME), 2016)A novel, hightemperature, thermally conductive, microporous coating (HTCMC) is developed by brazing copper particles onto a copper surface. This coating is more durable than many previous microporous coatings and also ...