Journal of Heat Transfer: Recent submissions
Now showing items 941-960 of 3611
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A Note on the Induced Flow and Heat Transfer Due to a Deforming Cone Rotating in a Quiescent Fluid
(The American Society of Mechanical Engineers (ASME), 2018)This short brief is to address the boundary layer flow of motion due to a rotating as well as stretchable/shrinkable flexible cone in an otherwise still fluid. It is shown that the relevant information on the progress of ... -
Heat Transfer Analysis for Three-Dimensional Stagnation-Point Flow of Water-Based Nanofluid Over an Exponentially Stretching Surface
(The American Society of Mechanical Engineers (ASME), 2018) -
Effect of Nanoparticle Coating on the Performance of a Miniature Loop Heat Pipe for Electronics Cooling Applications
(The American Society of Mechanical Engineers (ASME), 2018)The effect of nanoparticle coating on the performance of a miniature loop heat pipe (mLHP) is experimentally investigated for heat inputs of 20–380 W using distilled water as the working fluid. Applications include the ... -
Aerothermal Characteristics of Solid and Slitted Pentagonal Rib Turbulators
(The American Society of Mechanical Engineers (ASME), 2018)This work is an experimental study of detailed aerothermal characteristics inside a duct carrying an array of solid and permeable pentagonal ribs with a parallel and inclined slit, mounted on the bottom wall. The rib ... -
Modeling of Heat Transfer in an Aluminum X-Ray Anode Employing a Chemical Vapor Deposited Diamond Heat Spreader
(The American Society of Mechanical Engineers (ASME), 2018)X-ray sources are used for both scientific instrumentation and inspection applications. In X-ray photoelectron spectroscopy (XPS), aluminum Kα X-rays are generated through electron beam irradiation of a copper-based X-ray ... -
Lateral Edge Effects on the Sherwood Number in Turbulent Flow Over a Flat Plate
(The American Society of Mechanical Engineers (ASME), 2018)Experimental results for the Sherwood number variation near the lateral edge of the active surface of a smooth, finite-width flat plate in turbulent boundary layer flow are presented. Using naphthalene sublimation, local ... -
An Ultrafast Vitrification Method for Cell Cryopreservation
(The American Society of Mechanical Engineers (ASME), 2018)Ultrafast cooling is the key to successful cell vitrification cryopreservation of lower concentration cryoprotective solution. This research develops a cell cryopreservation methodology which utilizes thin film evaporation ... -
Three-Body Heat Transfer Between Anisotropic Magneto-Dielectric Hyperbolic Metamaterials
(The American Society of Mechanical Engineers (ASME), 2018)We investigate the near-field (NF) radiative heat transfer of the three-body system consisting of anisotropic magnetodielectric hyperbolic metamaterials (AMDHMs), which can support coupled surface phonon polaritons (SPhPs) ... -
Improved Quantification of Exergy Destruction in Mechanical Cooling Tower Considering All Tower Inlet Parameters
(The American Society of Mechanical Engineers (ASME), 2018)The present work establishes an improved experimentally validated analysis to predict performance and exergy-related parameters of a mechanical draft cooling tower involving wooden splash fills. Unlike earlier studies, ... -
Mathematical Model for Dropwise Condensation on a Surface With Wettability Gradient
(The American Society of Mechanical Engineers (ASME), 2018)We present a mathematical model for dropwise condensation (DWC) heat transfer on a surface with wettability gradient. We adapt well-established population balance model for DWC on inclined surfaces to model DWC on a surface ... -
Undershoots in the Heat Transfer Coefficient and Friction-Factor Distributions in the Entrance Region of Turbulent Pipe Flows
(The American Society of Mechanical Engineers (ASME), 2018)Heat transfer coefficients for turbulent pipe flow are typically envisioned as axially varying from very high values at the pipe inlet to a subsequent monotonic decrease to a constant fully developed value. This distribution, ... -
Thermally Developing Heat Transfer With Nonlinear Viscoelastic and Newtonian Fluids With Pressure-Dependent Viscosity
(The American Society of Mechanical Engineers (ASME), 2018)A semi-analytical solution of the thermal entrance problem with constant wall temperature for channel flow of Maxwell type viscoelastic fluids and Newtonian fluids, both with pressure dependent viscosity, is derived. A ... -
Effect of Thermal Barrier Coating and Gas Radiation on Film Cooling of a Corrugated Surface
(The American Society of Mechanical Engineers (ASME), 2018)In this work, a numerical study is conducted to investigate film cooling of a corrugated surface. A conjugate heat transfer analysis is carried out, accounting for the presence of thermal barrier coating (TBC) and gas ... -
Flow Visualization of Axisymmetric Impinging Jet on a Concave Surface
(The American Society of Mechanical Engineers (ASME), 2018)Flow visualization was performed to give a physical insight with vortical structures of an axisymmetric impinging jet on a concave surface. High-speed imaging was employed to get clear images with a laser light sheet ... -
Passive Control and Enhancement of Low Reynolds Number Slot Jets Through the Use of Tabs and Chevrons
(The American Society of Mechanical Engineers (ASME), 2018)Liquid microjets are emerging as candidate primary or secondary heat exchangers for the thermal management of next generation photonic integrated circuits (PICs). However, the thermal and hydrodynamic behavior of confined, ... -
Many-Particle Thermal Invisibility and Diode From Effective Media
(The American Society of Mechanical Engineers (ASME), 2018)Invisibility has recently been achieved in optics, electromagnetics, acoustics, thermotics, fluid mechanics, and quantum mechanics; it was realized through a properly designed cloak structure with unconventional (anisotropic, ... -
Entropy Generation Minimization in a Pressure-Driven Microflow of Viscoelastic Fluid With Slippage at the Wall: Effect of Conjugate Heat Transfer
(The American Society of Mechanical Engineers (ASME), 2018)We focus on the entropy generation minimization for the flow of a viscoelastic fluid through a parallel plate microchannel under the combined influences of applied pressure gradient, interfacial slip, and conjugate heat ... -
Constructal Placement of Discrete Heat Sources With Different Lengths in Vertical Ducts Under Natural and Mixed Convection
(The American Society of Mechanical Engineers (ASME), 2018)In this study, convective heat transfer in a discretely heated parallel-plate vertical channel which simulates an IC package is investigated experimentally and numerically. Both natural and mixed convection cases are ... -
Cooling of a Partially Elastic Isothermal Surface by Nanofluids Jet Impingement
(The American Society of Mechanical Engineers (ASME), 2018)Numerical study of nanofluid jet impingement cooling of a partially elastic isothermal hot surface was conducted with finite element method. The impingement surface was made partially elastic, and the effects of Reynolds ... -
Effect of Variable Sidewall Temperatures on the Combined Surface Radiation—Convection in a Discretely Heated Enclosure
(The American Society of Mechanical Engineers (ASME), 2018)This paper reports the changes made in the flow and heat transfer characteristics of a closed enclosure in the presence of sidewalls with symmetrical linear heating. The flow inside the enclosure is primarily driven by a ...