Numerical study of mixed convective cooling in a square cavity ventilated and partially heated from the below utilizing nanofluid

Shahi, Mina; Mahmoudi, Amir Houshang; Talebi, Farhad

doi:10.1016/j.icheatmasstransfer.2009.10.002

Cited by 118 publications

(46 citation statements)

References 29 publications

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“…Estman et al [3] observed that the effective thermal conductivity of metallic nanofluid increase by up to 40% for the nanofluid consisting of ethylene glycol containing approximately 0.3% volume nanoparticles of mean diameter less than 10 nm. This capabilities suggests the possibility of using nanofluids in air conditioning systems [4]. Buongiorno [5] made a comprehensive survey of convective transport in nanofluids.…”

Section: Introductionmentioning

confidence: 99%

Forced Convection Flow of Nanofluids Past Power Law Stretching Horizontal Plates

Hady¹,

Ibrahim²,

El-Hawary³

et al. 2012

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In the present work, we studied a nonsimilar solution of steady forced convection boundary layer flow and heat transfer of a nanofluid past a stretching horizontal plate. One-phase model has been used for this study. The nonsimilarity equations are solved numerically. We considered a nanofluid consists of as a nanoparticles and water as a base fluid. The volume fraction of nanoparticles is considered in the range  , stretching plate parameter  and power law index N. We investigated the effect of these parameters on the skin friction coefficient, Nusselt number, velocity and temperature profiles. We found that heat transfer rate and skin fraction increased when  increased. On the other hand, we concluded that the increase in  and N made heat transfer rate increases and skin fraction decreases.

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Section: Introductionmentioning

confidence: 99%

Forced Convection Flow of Nanofluids Past Power Law Stretching Horizontal Plates

Hady¹,

Ibrahim²,

El-Hawary³

et al. 2012

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“…Najam et al, (2004) investigated numerically laminar mixed convection in a ''T'' form cavity with heated obstacles submitted to a vertical jet of fresh air from below. Shahi et al, (2010) numerically studied the mixed convection of copper-water nanofluid inside a ventilated cavity. It was found that the average Nusselt number enhances when the volume faction of nanoparticles increased.…”

Section: Introductionmentioning

confidence: 99%

Heat Transfer and Cu-Water Nanofluid Flow in a Ventilated Cavity Having Central Cooling Cylinder and Heated From the Below Considering Three Different Outlet Port Locations

Boulahia¹,

Wakif²,

Sehaqui³

2018

Frontiers in Heat and Mass Transfer

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A numerical study has been performed to investigate mixed convection flow in a vented square cavity with circular cooling obstacle. The governing equations such as two dimensional Navier-Stokes, continuity, and energy balance equations have been solved using a finite volume discretization method with SIMPLE algorithm. The effect of the Richardson number, outlet port location and volume fraction of nanoparticles were studied. The outlet port is varied from top to bottom in order to find the maximum heat transfer rate. The results indicated that by increasing the volume fraction of nanoparticles and reducing Richardson number, the heat transfer rate is enhanced. Moreover, it is found that the best configuration of the system for better heat transfer is obtained when placing the outlet port on the bottom location of the vented cavity.

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“…Nanofluid have improved heat transfer characteristics with little pressure drop as compared to the base fluids [1][2][3]. The term nanofluid refers to fluids in which nano-scale particles are suspended in the base fluid and it has been suggested by Choi [4].…”

Section: Introduction (Use the Microsoft Word Template Style: Heading 1)mentioning

confidence: 99%

Boundary layer flow and heat transfer over a stretching cylinder in a copper-water nanofluid

Kardri¹,

Bachok²,

Arifin³

et al. 2017

AIP Conference Proceedings

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Numerical study of mixed convective cooling in a square cavity ventilated and partially heated from the below utilizing nanofluid

Cited by 118 publications

References 29 publications

Forced Convection Flow of Nanofluids Past Power Law Stretching Horizontal Plates

Forced Convection Flow of Nanofluids Past Power Law Stretching Horizontal Plates

Heat Transfer and Cu-Water Nanofluid Flow in a Ventilated Cavity Having Central Cooling Cylinder and Heated From the Below Considering Three Different Outlet Port Locations

Boundary layer flow and heat transfer over a stretching cylinder in a copper-water nanofluid

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