Showing papers in "International Communications in Heat and Mass Transfer in 2017"

TL;DR: In this paper, the authors focused on the thermal conductivity and dynamic viscosity of TiO2-SiO2 nanofluids in a mixture of water and ethylene glycol with volume ratio of 60:40.

TL;DR: In this paper, the use of passive cooling methods in microchannel heat sink is comprehensively discussed and the effects of some important parameters such as the type of channel types, surface roughness, fluid additives, and Reynolds number on the rate of heat transfer in micro channel heat sink are presented.

TL;DR: In this paper, the in-situ growth and chemical co-precipitation method was used for the synthesis of uniform dispersion of Co 3 O 4 nanoparticles on the graphene oxide (GO) nanosheet.

TL;DR: In this paper, a review summarizes the previous research on the thermo-physical properties of hybrid nanofluids/nanolubricants including methods of preparation, instrumentations, development and current progress, and hybrid performance in terms of heat transfer and pressure drop.

TL;DR: In this article, a multi-objective optimization of nanofluid aluminum oxide in a mixture of water and ethylene glycol (40:60) is studied, where neural network optimization is connected to NSGA-II algorithm and at any time assessment of the fitness function, the neural network model is called.

TL;DR: In this article, phase change material (PCM) melting in vertical and inclined rectangular enclosures is numerically investigated and the results reveal that the two-dimensional numerical simulations of PCM melting can accurately predict both the liquid fraction and the temporal evolution of the solid-liquid interface.

TL;DR: In this article, the velocity and temperature gradients of second grade nanoliquid were analyzed by a rotating disk and the convergence criteria related to solutions are spelled out and convergence interval for solutions is analyzed.

TL;DR: In this article, an improved surface tension model is proposed to take into account the influence of sulfur content and temperature at the surface of a melt pool, and the results show that the sulfur redistribution leads to transitional Marangoni flow.

TL;DR: In this paper, the rheological behavior of MgO nanoparticles suspended in synthetic motor oil was investigated and the consistency and the power law index were obtained by curve-fitting.

TL;DR: In this article, the performance of a hybrid nano-lubricant composed of 0% up to 1% solid volume fraction was measured at temperatures between 5 and 55°C and shear rates between 666.5 and 10,664 s − 1.

TL;DR: In this article, the effect of using Al2O3-water nanofluid on thermal performance of a commercial shell and tube heat exchanger with segmental baffles is assessed experimentally.

TL;DR: In this article, the volume concentrations of the nanoparticles used in this study are 0.005, 0.01, 1.03, and 0.06% with Reynolds number range from 15,000 to 30,000.

TL;DR: In this article, the effects of heater's thermal properties and vapor phase's thermal conductivity on saturated pool boiling above a large horizontal heater are simulated numerically based on an improved pseudo-potential liquid-vapor phase change lattice Boltzmann model.

TL;DR: In this article, the effects of various pertinent parameters such as Richardson number (between 0.05 and 50), elastic modulus of the side surfaces (between 1000 and 10 5 ), side wall inclination angle ( between 0° and 20°), and solid particle volume fraction (between 1 and 0.04) on the fluid flow and heat transfer characteristics in a 3D lid-driven trapezoidal cavity with nanofluids were numerically examined.

TL;DR: In this paper, the artificial neural network model was used to predict heat transfer coefficient and Nusselt number in TiO2/water nanofluid flow in a microchannel heat sink.

TL;DR: In this paper, the thermal conductivities and viscosities for the nanofluids were experimentally determined and the experimental results on natural convection yielded a maximum enhancement in heat transfer performance of 45% at volume concentration of 0.1%.

TL;DR: In this paper, a simplified 3D conjugate numerical model was developed to simulate the melting process of low melting point metal (LMPM) heat sink, which showed good agreement with the experimental results.

TL;DR: In this article, the effects of the geometrical parameters and pressure drop on the heat transfer performance of a heat sink with micro-pin fin arrays were studied, and the heat flux from base of heat sink was set as 300kW/m2.

TL;DR: In this paper, a new chemical reaction model comprising both heat and mass transfer expressions simultaneously is introduced in this communication, which is based on the Rheological relations of the Maxwell fluid model.

TL;DR: In this article, the authors investigated the effects of mixed convection of MHD flow in nanofluid filled and partially heated wavy walled lid-driven enclosure and found that the rate of heat transfer decreases with increasing the Hartmann number.

TL;DR: Predicting the viscosity of graphene nanoplatelets nanofluid with the help of multi-layered perceptron artificial neural network and genetic algorithm was the main aim of this study.

TL;DR: In this paper, the authors gratefully acknowledge the funding obtained from Energy IRT Seed-funding (2014-EIRTSharifpur), which was used for research at the University of Pretoria.

TL;DR: In this article, a hybrid of Fe 3 O 4 /Graphene was synthesized for nanofluid applications, which was characterized by X-Ray diffraction (XRD), Transmission electron microscopy (TEM), Zeta potential and Dynamic light scattering (DLS).

TL;DR: In this article, the authors investigated the heat transfer and pressure drop characteristics for two different channels, namely, raccoon and serpentine for different values of amplitude and wavelength of the wall waviness.

TL;DR: In this article, a lid-driven cavity with a rotating cylinder was analyzed numerically for two important parameters - Richardson number, the non-dimensional angular velocity of the cylinder and the direction of rotation using the commercial software, ADINA.

TL;DR: In this article, the experimental determination of thermal conductivity and viscosity for silica (SiO2) nanofluids in ethylene glycol (EG) and glycerol (G) as base fluids was reported.

TL;DR: In this article, the effect of liquid PCM natural convection on the latent heat storage performance of pipe and cylinder models was investigated using a 3D numerical model with FLUENT software.

TL;DR: In this paper, an Artificial Neural Network (ANN) model was proposed for predicting the dynamic viscosity of oxide nanoparticles suspension in water and ethylene glycol, which was trained on a set of data obtained by the present authors and tested on data coming from other authors.

TL;DR: In this article, a lattice Boltzmann (LB) model for the nanofluid natural convection in a porous medium was established by using the volume-averaging method.

TL;DR: In this article, a renovated Hamilton-Crosser model for the effective thermal conductivity of carbon nanotubes (CNTs) based nanofluids is proposed by simulating an equivalent anisotropic nanoparticle.