Journal of Heat Transfer: Recent submissions
Now showing items 1281-1300 of 3611
-
Three-Dimensional Numerical Investigation of Thermodynamic Performance Due to Conjugate Natural Convection From Horizontal Cylinder With Annular Fins
(The American Society of Mechanical Engineers (ASME), 2017)Entropy generation due to natural convection has been computed for a wide range of Rayleigh numbers based on fin spacing, RaS in the entire laminar range 5≤RaS≤108, and diameter ratio 2 ≤ D/d ≤ 5 for an isothermal horizontal ... -
A Thermal Resistance Model for Problems Involving Chemical Reactions and Phase Transition
(The American Society of Mechanical Engineers (ASME), 2017)This paper formulates a modified thermal resistance model (MTRM) for dealing with heat transfer situations involving heat sources from chemical reactions or phase transition. The modified thermal resistance model describes ... -
Nanocapillarity in Graphene Oxide Laminate and Its Effect on Critical Heat Flux
(The American Society of Mechanical Engineers (ASME), 2017)The nanocapillarity phenomenon involves ultralow frictional flow of water molecules through nanoscale channels, and here we study this using exceptionally large number of nanochannels within graphene oxide (GO) laminates. ... -
Constructal Microdevice Manifold Design With Uniform Flow Rate Distribution by Consideration of the Tree-Branching Rule of Leonardo da Vinci and Hess–Murray Rule
(The American Society of Mechanical Engineers (ASME), 2017)In this paper, we show how the design of a microdevice manifold should be tapered for uniform flow rate distribution. The designs based on the tree-branching rule of Leonardo da Vinci and the Hess–Murray rule were considered ... -
Assessment of Basic Approaches to Numerical Modeling of Phase Change Problems—Accuracy, Efficiency, and Parallel Decomposition
(The American Society of Mechanical Engineers (ASME), 2017)The fast and accurate modeling of phase change is of a significant importance in many processes from steel casting to latent heat thermal energy storage. The paper presents a numerical case study on the transient 3D heat ... -
Uncertainty Quantification in Modeling Metal Alloy Solidification
(The American Society of Mechanical Engineers (ASME), 2017)Numerical simulations of metal alloy solidification are used to gain insight into physical phenomena that cannot be observed experimentally. These models produce results that are used to draw conclusions about a process ... -
Experimental Verification of a Prediction Model for Pool Boiling Enhanced by the Electrohydrodynamic Effect and Surface Wettability
(The American Society of Mechanical Engineers (ASME), 2017)Enhancing of boiling heat transfer by combining the electrohydrodynamic (EHD) effect and surface wettability has been shown to remove the high heat fluxes from electrical devices such as laser diodes, light emitting diodes, ... -
Thermal Rectification Under Transient Conditions: The Role of Thermal Capacitance and Thermal Conductivity
(The American Society of Mechanical Engineers (ASME), 2017)A thermal rectifier transmits heat asymmetrically, transmitting heat in one direction and acting as an insulator in the opposite direction. For conduction at steady-state, thermal rectification can occur naturally in systems ... -
Application of Hybrid Monte Carlo Algorithm in Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2017)This article presents a new method of estimation of thermophysical parameters using the hybrid Monte Carlo (HMC) algorithm that synergistically combines the advantages of a Markov chain Monte Carlo (MCMC) method and molecular ... -
Comprehensive Experimental and Computational Analysis of a Fully Contained Hybrid Server Cabinet
(The American Society of Mechanical Engineers (ASME), 2017)The rapid growth in the number of data centers combined with the high-density heat dissipation of computer and telecommunications equipment has made energy efficient thermal management of data centers a key research area. ... -
Flow Boiling Heat Transfer of Subcooled Water on Sintered Microporous Surfaces
(The American Society of Mechanical Engineers (ASME), 2017)Electronic devices such as battery packs in electric vehicles and LED lights require advanced control in temperature uniformity for their optimum performance and prolonged lifetime. Flow boiling heat transfer of subcooled ... -
Numerical Simulation of Evaporating Two-Phase Flow in a High-Aspect-Ratio Microchannel with Bends
(The American Society of Mechanical Engineers (ASME), 2017)Effusion cooling is one of the attractive methods for next generation high-efficient gas turbine which has a very hot gas temperature above 1,600oC. For higher effectiveness of the air cooling, the air-cooled flow through ... -
Modification of the Classical Boundary Integral Equation for Two-Dimensional Transient Heat Conduction With Internal Heat Source, With the Use of NURBS for Boundary Modeling
(The American Society of Mechanical Engineers (ASME), 2017)The most popular methods used for solving transient heat conduction problems, like finite element method (FEM) and boundary element method (BEM), require discretization of the domain or the boundary. The discretization ... -
A Fractional-Order Generalized Thermoelastic Problem of a Bilayer Piezoelectric Plate for Vibration Control
(The American Society of Mechanical Engineers (ASME), 2017)Multilayered piezoelectric structures have special applications for vibration control, and they often serve in a thermoelastic coupling environment. In this work, the fractional-order generalized thermoelasticity theory ... -
Two-Phase Dusty Fluid Flow Along a Rotating Axisymmetric Round-Nosed Body
(The American Society of Mechanical Engineers (ASME), 2017)This article is concerned with the class of solutions of gas boundary layer containing uniform, spherical solid particles over the surface of rotating axisymmetric round-nosed body. By using the method of transformed ... -
A Novel Numerical Approach for Convective and Radiative Heat Transfer Analysis of Fluid Flow Problems Within Triangular Cavities Using Natural Element Method
(The American Society of Mechanical Engineers (ASME), 2017)Thermal analysis of fluid flow is always regarded as an important research issue within cavities in order to become familiar with the characteristics of fluid flow phenomenon in enclosures. This research paper investigates ... -
Water Evaporation and Condensation in Air With Radiation: The Self-Similar Spalding Model
(The American Society of Mechanical Engineers (ASME), 2017)Several simple ways of improving the accuracy of Spalding model predictions over common textbook conventions for air/water evaporation/condensation problems are illustrated using open-literature examples. First is the ... -
The Research of Temperature Fields in the Proximity of a Bundle of Heated Pipes Arranged Above Each Other
(The American Society of Mechanical Engineers (ASME), 2017)The paper deals with the research of temperature fields in the proximity of heated pipes arranged above each other in a natural air convection. The holographic interferometry method was used for the visualization of ... -
Nucleate Boiling Heat Transfer on Plain and Microporous Surfaces in Subcooled Water
(The American Society of Mechanical Engineers (ASME), 2017)The growth of hovering bubbles on Copper, High-Temperature Thermally-Conductive Microporous Coating (Cu-HTCMC) and plain surface were compared at 1,000 kW/m2 in nucleate boiling with different subcoolings. Images obtained ... -
Fisher–Kolmogorov–Petrovsky– Piscounov Reaction and n-Diffusion Cattaneo Telegraph Equation
(The American Society of Mechanical Engineers (ASME), 2017)This paper presents research for a class of recombination reaction and diffusion problems in which the Cattaneo relaxation, n-diffusion flux, and p-Fisher–Kolmogorov–Petrovsky–Piscounov (KPP) reaction are considered. ...