Journal of Heat Transfer: Recent submissions
Now showing items 821-840 of 3611
-
Two-Phase Pipe Quenching Correlations for Liquid Nitrogen and Liquid Hydrogen
(The American Society of Mechanical Engineers (ASME), 2019)Recently, two-phase cryogenic flow boiling data in liquid nitrogen (LN2) and liquid hydrogen (LH2) were compared to the most popular two-phase correlations, as well as correlations used in two of the most widely used ... -
Numerical Modeling of Slip Flow and Heat Transfer Over Microcylinders With Lattice Boltzmann Method
(The American Society of Mechanical Engineers (ASME), 2019)In this paper, a lattice Boltzmann (LB) model is established to simulate the gaseous fluid flow and heat transfer in the slip regime under the curved boundary condition. A novel curved boundary treatment is proposed for ... -
Heat-Transfer Enhancement Incorporating Fin-Like Structures Inside Droplet on Hydrophobic Surface
(The American Society of Mechanical Engineers (ASME), 2019)Enhancement of droplet heat transfer on a hydrophobic surface is examined via introducing the fin-like structures inside the droplet without altering the wetting state of the surface. A solution crystallization of polycarbonate ... -
Sensitivity Analysis of a Heat Exchanger Tube Fitted With Cross-Cut Twisted Tape With Alternate Axis
(The American Society of Mechanical Engineers (ASME), 2019)Numerical simulations are used to analyze the thermal performance of turbulent flow inside heat exchanger tube fitted with cross-cut twisted tape with alternate axis (CCTA). The design parameters include the Reynolds number ... -
Characterization of Impingement Heat/Mass Transfer to the Synthetic Jet Generated by a Biomimetic Actuator
(The American Society of Mechanical Engineers (ASME), 2019)Two biomimetic synthetic jet (SJ) actuators were designed, manufactured, and tested under conditions of a jet impingement onto a wall. Nozzles of the actuators were formed by a flexible diaphragm rim, the working fluid was ... -
Erratum: “Non-Fourier Heat Conduction in Carbon Nanotubes” [ASME J. Heat Transfer, 2012, 134(5), p. 051004; DOI:10.1115/1.4005634]
(The American Society of Mechanical Engineers (ASME), 2019) -
Heat Transfer Enhancement and Turbulent Flow in a Rectangular Channel Using Perforated Ribs With Inclined Holes
(The American Society of Mechanical Engineers (ASME), 2019)In internal cooling passages in a turbine blade, rib structures are widely applied to augment convective heat transfer by the coolant passing through over the ribbed surfaces. This study concentrates on perforated 90 deg ... -
Uncertainty Analysis and Experimental Design in the Monte Carlo Ray-Trace Environment
(The American Society of Mechanical Engineers (ASME), 2019)Despite the dominant role of the Monte Carlo ray-trace (MCRT) method in modern radiation heat transfer analysis, the contemporary literature remains surprisingly reticent on the uncertainty of results obtained using it. ... -
Nanoparticle Redistribution in PC3 Tumors Induced by Local Heating in Magnetic Nanoparticle Hyperthermia: In Vivo Experimental Study
(The American Society of Mechanical Engineers (ASME), 2019)In magnetic nanoparticle hyperthermia, a required thermal dosage for tumor destruction greatly depends on nanoparticle distribution in tumors. The objective of this study is to conduct in vivo experiments to evaluate whether ... -
The Effect of the Liquid Layer Around the Spherical and Cylindrical Nanoparticles in Enhancing Thermal Conductivity of Nanofluids
(The American Society of Mechanical Engineers (ASME), 2019)In this work, the equilibrium molecular dynamics (MD) simulation combined with the Green–Kubo method is employed to calculate the thermal conductivity and investigate the impact of the liquid layer around the solid ... -
Experimental Investigation of Impinging Heat Transfer of the Pulsed Chevron Jet on a Semicylindrical Concave Plate
(The American Society of Mechanical Engineers (ASME), 2019)Impinging heat transferred by a pulsed jet induced by a six-chevron nozzle on a semicylindrical concave surface is investigated by varying jet Reynolds numbers (5000 ≤ Re ≤ 20,000), operational frequencies (0 Hz ≤ f ≤ 25 ... -
Experimental Characterization of Heat Transfer to Vertical Dense Granular Flows Across Wide Temperature Range
(The American Society of Mechanical Engineers (ASME), 2019)Particle-based heat transfer fluids for concentrated solar power (CSP) tower applications offer a unique advantage over traditional fluids, as they have the potential to reach very high operating temperatures. Gravity-driven ... -
Numerical Simulation of Flow and Heat Transfer in a Square Rotating U-Duct Using Hydrocarbon Fuel
(The American Society of Mechanical Engineers (ASME), 2019)Air turbine power generation system is considered as a feasible power generation system for hypersonic aircraft with Mach 6. However, the incoming air with high temperature cannot be used as coolant while turbine has to ... -
Experimental Study on the Effect of Low Acute Side Angles on Heat Transfer in Rhombic Shaped Microchannel
(The American Society of Mechanical Engineers (ASME), 2019)This experimental study on rhombic shaped microchannels was conducted to understand the effect of a low acute side angle on the Nusselt number and compare the results with the published numerical results for H1 (axially ... -
A Numerical Case Study: Effect of Heat Leakage on Thermodynamic Efficiency of Cylinders in Cross-Flow
(The American Society of Mechanical Engineers (ASME), 2019)Numerical and thermodynamic analyses have been undertaken in this study to examine energy and exergy efficiencies of in-line tube banks for unsteady cross-flow. Pitch ratio (PR) and the number of in-line tubes are varied ... -
On the Enhancement of Heat Transfer and Reduction of Entropy Generation by Asymmetric Slip in Pressure-Driven Non-Newtonian Microflows
(The American Society of Mechanical Engineers (ASME), 2019)We study hydrodynamics, heat transfer, and entropy generation in pressure-driven microchannel flow of a power-law fluid. Specifically, we address the effect of asymmetry in the slip boundary condition at the channel walls. ... -
An Analytical and Numerical Estimation of the Effective Thermal Conductivity of Complex Metal Frame Core Structures
(The American Society of Mechanical Engineers (ASME), 2019)An analytical and numerical study was conducted for estimation of the effective thermal conductivities of curved metal frame core structures, which can replace metal foams, in views of their advantages over the metal foams ... -
Solution of the Phase Change Stefan Problem With Time-Dependent Heat Flux Using Perturbation Method
(The American Society of Mechanical Engineers (ASME), 2019)Theoretical understanding of phase change heat transfer problems is of much interest for multiple engineering applications. Exact solutions for phase change heat transfer problems are often not available, and approximate ... -
Reconstruction of Radiative Properties Fields in Participating Media by Using the Sequential Quadratic Programing Combined With Regularization Technique
(The American Society of Mechanical Engineers (ASME), 2019)The refractive index and absorption coefficient fields in participating media are reconstructed simultaneously in this work. In the direct model, the coupled radiation–conduction heat transfer in participating media exposed ... -
Numerical Simulation of the Effect of Channel Orientation on Fluid Flow and Heat Transfer at High Buoyancy Number in a Rotating Two-Pass Channel With Angled Ribs
(The American Society of Mechanical Engineers (ASME), 2019)Convective heat transfer in a rotating two-pass square channel with 45 deg ribs is numerically investigated to simulate turbine blade cooling operation under extreme design cooling conditions (high rotation number, high ...