Showing papers in "International Communications in Heat and Mass Transfer in 2011"

TL;DR: In this article, different amounts of Al2O3 nanoparticle have been added into these base fluids and its effects on the heat transfer performance of the car radiator have been determined experimentally.

TL;DR: In this paper, the convective flow and heat transfer of an incompressible viscous nanofluid past a semi-infinite vertical stretching sheet in the presence of a magnetic field are examined.

TL;DR: In this article, the effect of using a wavy flow channel on the MCHS thermal performance, the pressure drop, the friction factor, and wall shear stress is reported.

TL;DR: In this article, the effect of thermal radiation in the linearized Rosseland approximation is shown to be quite trivial, both physically and computationally, and it always reduces to a simple rescaling of the Prandtl number by a factor involving the radiation parameter.

TL;DR: In this article, a new correlation of the Nusselt number was presented using the results of the experiments with titanium dioxide nanoparticles dispersed in water, where the volume fraction of nanoparticles in the base fluid was less than 0.25%.

TL;DR: In this paper, the effect of V-cut twisted tape insert on heat transfer, friction factor and thermal performance factor characteristics in a circular tube were investigated for three twist ratios (y, = 2.0, 4.4 and 6.0) and three different combinations of depth and width ratios (DR, = 0.43, DR,= 0.34 and WR,=Â0.34).

TL;DR: In this article, the authors investigated the effect of helically corrugated tubes on convective heat transfer in a single-phase turbulent flow by using them in a concentric tube heat exchanger.

TL;DR: The thermohydraulic characteristics of the circular tubes equipped with alternate clockwise and counter-clockwise twisted-tapes (TA) for the Reynolds number ranging from 830 to 1990, are reported in this paper.

TL;DR: In this paper, an analysis is presented to study dual nature of solution of mass transfer with first order chemical reaction in boundary layer stagnation-point flow over a stretching/shrinking sheet.

TL;DR: In this article, the Lattice Boltzmann method (LBM) was used to simulate the convection in enclosures using water/SiO2 nanofluid, and the results showed that the average Nusselt number increases with volume fraction for the whole range of Rayleigh numbers and aspect ratios.

TL;DR: In this paper, the effects of radiation and convection heat transfer in porous media are considered, and the results suggest that the radiation transfers more heat than a similar model without radiation.

TL;DR: In this article, heat transfer, friction and thermal performance characteristics of CuO/water nanofluid have been experimentally investigated in a circular tube equipped with modified twisted tape with alternate axis (TA).

TL;DR: In this paper, numerical simulations are carried out to solve the three-dimensional steady and conjugate heat transfer governing equations using the Finite-Volume Method (FVM) to evaluate the effect of shape of channels on the performance of MCHS with the same cross-section.

TL;DR: In this paper, forced convection flows of nanofluids consisting of water with TiO2 and Al2O3 nanoparticles in a horizontal tube with constant wall temperature are investigated numerically.

TL;DR: In this paper, convective heat transfer effect on the nanofluid flow in the developing region of a tube with constant heat flux was investigated using computational fluid dynamics (CFD), and the particle size was investigated in different Reynolds numbers.

TL;DR: In this paper, a numerical simulation is carried out by solving the governing continuity, momentum and energy equations for laminar flow in curvilinear coordinates using the Finite Difference (FD) approach.

TL;DR: In this paper, a two-phase mixture model has been used to investigate the thermal behaviors of the nanofluid for various inclination angles of enclosure ranging from θ−−60° to θ −60°, volume fraction from 0% to 8%, Richardson numbers varying from 0.01 to 100 and constant Grashof number 104.

TL;DR: In this article, the effects of combined ribs and delta-winglet type vortex generators (DWs) on forced convection heat transfer and friction loss behaviors for turbulent airflow through a solar air heater channel are experimentally investigated.

TL;DR: In this article, the effect of different parameters such as flow Reynolds number, flattened tube internal height and nanofluid particle concentration on heat transfer coefficient and pressure drop of the flow is studied.

TL;DR: In this article, the authors investigated the fluid flow and heat transfer characteristics in a micro-channel heat sink with offset fan-shaped reentrant cavities in sidewall, and the results indicated that the micro channel heat sink improved heat transfer performance with an acceptable pressure drop.

TL;DR: In this paper, a numerical simulation using a finite volume scheme is carried out for a laminar steady mixed convection problem in a two-dimensional square enclosure of width and height (L), with a rotating circular cylinder of radius (R = 0.2L) enclosed inside it.

TL;DR: In this paper, the experimental and Computational Fluid Dynamics (CFD) modeling studies on heat transfer, friction factor and thermal performance of an air cooled heat exchanger equipped with three types of tube insert including butterfly, classic and jagged twisted tape.

TL;DR: In this article, the authors examined turbulent periodic flow and heat transfer characteristics in a three dimensional square-duct with inline 60° V-shaped discrete thin ribs placed on two opposite heated walls.

TL;DR: In this paper, the influence of antenna type on microwave power absorbed, specific absorption rate (SAR) and temperature distribution was investigated in the interstitial MWA in liver by single and double slot antennas.

TL;DR: In this paper, entropy generation due to natural convection of a nanofluid that consists of water and Cu in a cavity with a protruded heat source has been studied.

TL;DR: In this paper, the Lattice Boltzmann method has been used to investigate the hydrodynamic and thermal behaviors of the fluid at various vertical positions of the inner cylinder for different Rayleigh numbers ranging from 103 to 106.

TL;DR: In this paper, the authors developed a theory of bio-thermal convection in a suspension that contains two species of microorganisms exhibiting different taxes, gyrotactic and oxytactic microorganisms.

TL;DR: In this article, the impact of using various types of nanofluids on heat transfer and fluid flow characteristics in triangular shaped microchannel heat sink (MCHS) was discussed.

TL;DR: In this article, a Galerkin weighted residual finite element method with a Newton-Raphson iterative algorithm is adopted to solve the governing equations for mixed convection heat transfer in a lid-driven cavity along with a heated circular hollow cylinder positioned at the center of the cavity.