Journal of Heat Transfer: Recent submissions
Now showing items 1581-1600 of 3611
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Numerical Analysis of Fluid Flow and Heat Transfer in Entrance and Fully Developed Regions of a Channel With Porous Baffles
(The American Society of Mechanical Engineers (ASME), 2016)In the present study, analysis of fluid flow and heat transfer in the entrance and periodically fully developed regions of a channel with porous baffles is numerically studied. The Navier–Stokes and Brinkman–Forchheimer ... -
Thermal Conductivity of Suspensions Based on Core–Shell Particles
(The American Society of Mechanical Engineers (ASME), 2016)An analytical solution of the problem of the thermal conductivity of a suspension containing core–shell particles was found. Solutions were found under the thickness of the shell tending to zero while the thermal ... -
On Development of a Semimechanistic Wall Boiling Model
(The American Society of Mechanical Engineers (ASME), 2016)To predict nucleate boiling, a novel semimechanistic wall boiling model is developed within a mixture multiphase flow framework available in ansys fluent. The mass transfer phenomenon is modeled using an evaporation–condensation ... -
Effects of Magnetic Field on an Unsteady Mixed Convection Flow of Nanofluids Containing Spherical and Cylindrical Nanoparticles
(The American Society of Mechanical Engineers (ASME), 2016)The present article gives a ray of light on the effects of magnetic field on an unsteady mixed convection flow of nanofluids containing nanoparticles which are spherical and cylindrical in nature. The unsteadiness in the ... -
Analysis of Turbulent Natural and Mixed Convection Flows Using the v2–f Model
(The American Society of Mechanical Engineers (ASME), 2016)The main objective of this work is to investigate the performance of the v2–f model for the predictions of turbulent natural and mixed convection flows. For this purpose, a finite volumebased flow solver is developed for ... -
Flow and Heat Transfer in Micro Pin Fin Heat Sinks With Nano Encapsulated Phase Change Materials
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, a 3Dconjugated heat transfer model for nanoencapsulated phase change materials (NEPCMs) cooled micro pin fin heat sink (MPFHS) is presented. The governing equations of flow and heat transfer are solved using ... -
Effect of Hydrophilic Nanostructured Cupric Oxide Surfaces on the Heat Transport Capability of a Flat Plate Oscillating Heat Pipe
(The American Society of Mechanical Engineers (ASME), 2016)With a surface treatment of hydrophilic cupric oxide (CuO) nanostructures on the channels inside a flatplate oscillating heat pipe (FPOHP), the wetting effect on the thermal performance of an FPOHP was experimentally ... -
Combined Effects of Magnetic Field and Thermal Radiation on Fluid Flow and Heat Transfer of Mixed Convection in a Vertical Cylindrical Annulus
(The American Society of Mechanical Engineers (ASME), 2016)Magnetohydrodynamic (MHD, also for magnetohydrodynamics) mixed convection of electrically conducting and radiative participating fluid is studied in a differentially heated vertical annulus. The outer cylinder is stationary, ... -
Thermal Conductivity of Turbostratic Carbon Nanofiber Networks
(The American Society of Mechanical Engineers (ASME), 2016)Composite material systems composed of a matrix of nanomaterials can achieve combinations of mechanical and thermophysical properties outside the range of traditional systems. The microstructure of the system dictates the ... -
Numerical Solution of Heat Conduction in a Heterogeneous Multiscale Material With Temperature Dependent Properties
(The American Society of Mechanical Engineers (ASME), 2016)Numerical solution of heat conduction in a heterogeneous material with small spatial and time scales can lead to excessive compute times due to the dense computational grids required. This problem is avoided by averaging ... -
Electrothermal Characterization of Doped Si Heated Microcantilevers Under Periodic Heating Operation
(The American Society of Mechanical Engineers (ASME), 2016)This paper reports the frequencydependent electrothermal behaviors of a freestanding dopedsilicon heated microcantilever probe operating under periodic (ac) Joule heating. We conducted a frequencydomain finiteelement ... -
The Heat Transfer Characteristics of Rolling Wheel and the Characteristic Length Determining Them
(The American Society of Mechanical Engineers (ASME), 2016)The convective heat transfer characteristics on the surface of a rolling wheel are investigated using the naphthalene sublimation technique. Five sizes of rolling wheel are selected in the experiments. The local and average ... -
Derivation and Validation of a Figure of Merit for Loop Heat Pipes With Medium Temperature Working Fluids
(The American Society of Mechanical Engineers (ASME), 2016)The working fluids of loop heat pipes (LHPs) play an important role in the operation of the LHPs by influencing the operating temperatures and the heat transfer limits. Therefore, the proper selection of a working fluid ... -
Entropy Generation Minimization in an Electroosmotic Flow of Non Newtonian Fluid: Effect of Conjugate Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2016)We investigate the entropy generation characteristics of a nonNewtonian fluid in a narrow fluidic channel under electrokinetic forcing, taking the effect of conjugate heat transfer into the analysis. We use powerlaw model ... -
Modeling of Finned Tube Evaporator Using Neural Network and Response Surface Methodology
(The American Society of Mechanical Engineers (ASME), 2016)A new response surface methodology (RSM) based neural network (NN) modeling method is proposed for finnedtube evaporator performance evaluation under dry and wet conditions. Two RSM designs, Box–Behnken design (BBD) and ... -
Heat Transfer Implications of Acoustic Resonances in Turbine Internal Cooling Channels
(The American Society of Mechanical Engineers (ASME), 2016)In an attempt to investigate the acoustic resonance effect of serpentine passages on internal convection heat transfer, the present work examines a typical high pressure turbine (HPT) blade internal cooling system, based ... -
Temperature Solution for Transient Heat Conduction in a Thin Bilayer Between Semi Infinite Media in Thermal Effusivity Measurement
(The American Society of Mechanical Engineers (ASME), 2016)A series expansion and an approximation have been derived for the temperature in the general case of transient heat conduction in two thin layers between two semiinfinite media at different uniform initial temperatures. ... -
Reduced Order Modeling of Conjugate Heat Transfer Processes
(The American Society of Mechanical Engineers (ASME), 2016)This paper describes the application of reducedorder modeling techniques in the simulation of conjugate heat transfer processes. In a reducedorder model (ROM), the dominate features of a system are represented using a ... -
Energy Equation of Gas Flow With Low Velocity in a Microchannel
(The American Society of Mechanical Engineers (ASME), 2016)The energy equation for constant density fluid flow with the viscous dissipation term is often used for the governing equations of gas flow with low velocity in microchannels. If the gas is an ideal gas with low velocity, ... -
Call for Photographs
(The American Society of Mechanical Engineers (ASME), 2016)