Journal of Heat Transfer: Recent submissions
Now showing items 1321-1340 of 3611
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Analytical Solution of Transient Three-Dimensional Temperature Field in a Rotating Cylinder Subject to a Localized Laser Beam
(The American Society of Mechanical Engineers (ASME), 2017)Laser-assisted machining (LAM) is a growing trend in machining of hard to cut materials. In most experimental cases, LAM is carried out in two stages; first, laser and machine parameters are tuned to adjust the temperature ... -
Comparative Assessment of the Finite Difference, Finite Element, and Finite Volume Methods for a Benchmark One-Dimensional Steady-State Heat Conduction Problem
(The American Society of Mechanical Engineers (ASME), 2017)The finite difference (FD), finite element (FE), and finite volume (FV) methods are critically assessed by comparing the solutions produced by the three methods for a simple one-dimensional steady-state heat conduction ... -
Effects of Physical and Sorption Properties of Desiccant Coating on Performance of Energy Wheels
(The American Society of Mechanical Engineers (ASME), 2017)Desiccant-coated energy wheels are rotary-air-to-air energy exchangers widely used in ventilation systems to reduce the energy consumption required in industrial environments and commercial buildings. In this study, the ... -
Meshless Local B-Spline Collocation Method for Two-Dimensional Heat Conduction Problems With Nonhomogenous and Time-Dependent Heat Sources
(The American Society of Mechanical Engineers (ASME), 2017)This paper presents a new approach of meshless local B-spline based finite difference (FD) method for transient 2D heat conduction problems with nonhomogenous and time-dependent heat sources. In this method, any governing ... -
Mathematical Modeling of Novel Two-Phase Heat Transfer Device for Thermal Management of Light Emitting Diodes
(The American Society of Mechanical Engineers (ASME), 2017)The paper introduces a novel two-phase heat transfer device (TPHTD) which is employed in the thermal management of light emitting diodes (LEDs). The heat transfer device structurally resembles a conventional loop heat pipe ... -
Hydrodynamic and Thermal Performance of Microchannels With Different Staggered Arrangements of Cylindrical Micro Pin Fins
(The American Society of Mechanical Engineers (ASME), 2017)This study focuses on microheat sinks with different staggered arrangements of micro pin fins (MPFs). A rectangular microchannel with the dimensions of 5000 × 1500 × 100 μm3 (l′ × w′ × h′) was considered for all the ... -
Thermodynamic Extremum Principles for Nonequilibrium Stationary State in Heat Conduction
(The American Society of Mechanical Engineers (ASME), 2017)Minimum entropy production principle (MEPP) is an important variational principle for the evolution of systems to nonequilibrium stationary state. However, its restricted validity in the domain of Onsager's linear theory ... -
An Experimental Study of Chilton–Colburn Analogy Between Turbulent Flow and Convective Heat Transfer of Supercritical Kerosene
(The American Society of Mechanical Engineers (ASME), 2017)In this paper, characteristics of turbulent flow and convective heat transfer of supercritical China RP-3 kerosene in a horizontal straight circular tube are studied experimentally, and the validity of Chilton–Colburn ... -
Laminar Heat Transfer Behavior of a Phase Change Material Fluid in Microchannels With Staggered Pins
(The American Society of Mechanical Engineers (ASME), 2017)Microchannels have been studied extensively for a variety of heat transfer applications including electronic cooling. Many configurations of microchannels have been studied and compared for their effectiveness in terms of ... -
Discussion: “Multiple Analytic Solutions of Heat and Mass Transfer of Magnetohydrodynamic Slip Flow for Two Types of Viscoelastic Fluids Over a Stretching Surface” (Turkyilmazoglu, M., 2012, ASME J. Heat Transfer, 134(7), p. 071701)
(The American Society of Mechanical Engineers (ASME), 2017)This discussion concerns some errors included in the above paper. -
Performance Analysis of Printed Circuit Heat Exchanger for Supercritical Carbon Dioxide
(The American Society of Mechanical Engineers (ASME), 2017)A printed circuit heat exchanger (PCHE) was selected as the recuperator of supercritical carbon dioxide (S-CO2) Brayton cycle, and the segmental design method was employed to accommodate the rapid variations of properties ... -
Combined Dielectrophoretic and Electrohydrodynamic Conduction Pumping for Enhancement of Liquid Film Flow Boiling
(The American Society of Mechanical Engineers (ASME), 2017)This paper extends previous liquid film flow boiling studies by including the effect of an additional electrohydrodynamic (EHD) force, namely, the dielectrophoretic (DEP) force. Rather than using only EHD conduction pumping ... -
Computational Fluid Dynamics Simulations of Convective Pure Vapor Condensation Inside Vertical Cylindrical Condensers
(The American Society of Mechanical Engineers (ASME), 2017)This paper presents the results from computational fluid dynamics (CFD) simulations of heat and mass transfer of pure vapor flowing and condensing in a vertical cylindrical condenser system at various inlet temperatures, ... -
Experimental Investigation on Heat Transfer Performance of a Flat Plate Heat Pipe With MWCNTS-Acetone Nanofluid
(The American Society of Mechanical Engineers (ASME), 2017)This paper experimentally investigates how different mass concentration and aspect ratio multiwall carbon nanotubes (MWCNTs) acetone nanofluid affects the heat transfer performance of a flat plate heat pipe (FPHP). Different ... -
Infrared Absorption Characteristics Analysis for Annulus Nanostructure of Aluminum Substrate
(The American Society of Mechanical Engineers (ASME), 2017)An annulus-shaped nanostructure having a three-layer structure consisting of an annulus aluminum pattern, Al2O3 spacer layer, and Al substrate is presented. High absorption peaks can be easily obtained between 2.5 μm and ... -
Visualization Study of Steam Condensation in Rectangular Channel of Multichannel Cylinder Dryer
(The American Society of Mechanical Engineers (ASME), 2017)The phenomenon of steam condensation occurring on one surface in a rectangular horizontal channel was experimentally studied. The experiment was conducted using a visualization method with a steam quality of 0.1–0.9 and ... -
Forming Mechanism of Bump Shape in Pulsed Laser Melting of Stainless Steel
(The American Society of Mechanical Engineers (ASME), 2017)Laser surface topography has great applications in mechanical, medical, and electrical industries. This paper proposes a mechanism for the shape formation of stainless steel by pulsed laser melting. A 2D axisymmetric finite ... -
Enhancement of Interfacial Thermal Conductance of SiC by Overlapped Carbon Nanotubes and Intertube Atoms
(The American Society of Mechanical Engineers (ASME), 2017)A new way was proposed to enhance the interfacial thermal conductance (ITC) of silicon carbide (SiC) composite through the overlapped carbon nanotubes (CNTs) and intertube atoms. By nonequilibrium molecular dynamics (NEMD) ... -
Numerical Study of Inlet Turbulators Effect on the Thermal Characteristics of a Jet Propulsion-Fueled Combustor and Its Hazardous Pollutants Emission
(The American Society of Mechanical Engineers (ASME), 2017)This work numerically studies the effects of inlet air and fuel turbulators on the thermal behavior of a combustor burning the jet propulsion (JP) (kerosene-surrogate) fuel and its resulting pollutants emission including ... -
Investigation of Bubble Frequency for Slug Flow Regime in a Uniformly Heated Horizontal Microchannel
(The American Society of Mechanical Engineers (ASME), 2017)Slug flow is an essential flow pattern observed in microchannels where its transition boundaries in microchannels are characterized by two complex hydrodynamic phenomena, the bubble confinement and the bubble coalescence. ...