Journal of Heat Transfer: Recent submissions
Now showing items 1141-1160 of 3611
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On Convective Heat Transfer and Flow Dynamics Through a Straight T-Bifurcating Channel
(The American Society of Mechanical Engineers (ASME), 2018)Both experimental and numerical studies of a turbulent flow in a bifurcating channel are performed to characterize the dynamical behavior of the flow and its impact on the convective heat transfer on the sides of the branch. ... -
Flow and Heat Transfer Characteristics of Supercritical Hydrocarbon Fuel in Mini Channels With Dimples
(The American Society of Mechanical Engineers (ASME), 2017)An idea of using dimples as heat transfer enhancement device in a regenerative cooling passage is proposed to extend the cooling limits for liquid-propellant rocket and scramjet. Numerical studies have been conducted to ... -
Application of a Nonadiabatic Flamelet/Progress-Variable Approach to Large-Eddy Simulation of H2/O2 Combustion Under a Pressurized Condition
(The American Society of Mechanical Engineers (ASME), 2017)A new nonadiabatic procedure of the flamelet/progress-variable approach (NA-FPV approach) is proposed, and the validity is assessed by performing a large eddy simulation (LES) employing the NA-FPV approach for an H2/O2 ... -
On the Flow Structures and Adiabatic Film Effectiveness for Simple and Compound Angle Hole With Varied Length-to-Diameter Ratio by Large Eddy Simulation and Pressure-Sensitive Paint Techniques
(The American Society of Mechanical Engineers (ASME), 2017)The effects of hole length-to-diameter ratio and compound angle on flat plate film cooling effectiveness are investigated from an experimental and numerical view. Film cooling effectiveness measurements are performed for ... -
Heat Transfer During High Temperature Gas Flow Through Metal Foam Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2017)An experimental study of heat transfer in metal foam heat exchangers fabricated from 10 and 40 pores per inch (PPI) was conducted. Heat exchangers were made by either brazing Inconel sheets to foam or plasma spraying Inconel ... -
Effect of Temperature Jump on Nonequilibrium Entropy Generation in a MOSFET Transistor Using Dual-Phase-Lagging Model
(The American Society of Mechanical Engineers (ASME), 2017)This paper investigates the effect of temperature-jump boundary condition on nonequilibrium entropy production under the effect of the dual-phase-lagging (DPL) heat conduction model in a two-dimensional sub-100 nm ... -
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 ... -
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 ... -
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 ... -
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 ... -
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. -
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 ... -
Numerical Re-examination of Chilton–Colburn Analogy for Variable Thermophysical Fluid Properties
(The American Society of Mechanical Engineers (ASME), 2017)The Chilton–Colburn analogy is very helpful for evaluating the heat transfer in internal forced flows. The Chilton–Colburn analogy between the Chilton–Colburn j-factor for heat transfer, jH (St·Pr2/3) and the Fanning ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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) ...