Nonlinear radiative heat transfer in the flow of nanofluid due to solar energy: A numerical study

Mushtaq, Ammar; Mustafa, M.; Hayat, Tasawar; Alsaedi, Ahmed

doi:10.1016/j.jtice.2013.11.008

Cited by 130 publications

(64 citation statements)

References 36 publications

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“…According to Richardson number value Ri = 10, the ow is dominated by natural convection. Note that the study with the assumed parameter ranges has practical applications in the study of extrusion processes [20] and also many metallurgical processes including the drawing of continuous laments through quiescent uids, annealing and tinning of copper wires, etc. [44].…”

Section: Resultsmentioning

confidence: 99%

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Natural convection and entropy generation of ultrafine atmospheric aerosols in the presence of hydrodynamic partial slip and thermal radiation due to solar energy

Ghaffarpasand

2017

Scientia Iranica

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Abstract. Combined e ects of hydrodynamic partial slip, thermal radiation due to solar energy, and nanoparticles volume fraction on natural convection and entropy generation of atmospheric ultra ne aerosols sample enclosed within a two-sided lid-driven cavity are studied numerically in the present contribution. Partial slip e ect is taken into account along the two horizontal moving walls, and thermal radiation is considered through Rosseland approximation. The governing equations are solved using an accurate nite volume method based on SIMPLE algorithm. The impact of Brownian motion of nanoparticles is also considered in this study, whereby KKL (Koo-Kleinstreuer-Li) correlation is utilized for simulating the e ective thermal conductivity and viscosity of nano uid. The heatline visualization technique is also utilized to study the energy ux within the cavity. A comprehensive study is conducted on the controlling parameters, including partial slip coe cient ( = 0 5), radiation parameter (Rd = 0 2), and nanoparticles volume fraction ( = 0 4%), which in uence the ow and heat transfer characteristics. Results show that the partial slip usually eliminates the e ect of mechanical forces provoked by the moving lids. Moreover, thermal radiation homogenizes the medium thermally, which results in decreasing the average entropy generation. It is also observed that the e ect of carbon-black nanoparticles on the atmospheric heat transfer manifests a wide variety of fashions mainly dependent on the presence or absence of thermal radiation due to solar energy.

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Section: Resultsmentioning

confidence: 99%

“…Results indicate that both of magnetic eld and radiation greatly a ect velocity and temperature elds. Mushtaq et al [20] investigated the radiation e ects due to solar energy on the stagnation-point ow of nano uid. They found that the temperature and wall temperature gradient are enhanced with the radiation parameter.…”

Section: Introductionmentioning

confidence: 99%

Natural convection and entropy generation of ultrafine atmospheric aerosols in the presence of hydrodynamic partial slip and thermal radiation due to solar energy

Ghaffarpasand

2017

Scientia Iranica

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“…Effective cooling techniques are needed for cooling any sort of high energy device. Common heat transfer fluids such as ethylene glycol, water and engine oil have limited heat transfer capabilities due to their low heat transfer properties and thus cannot meet the modern cooling requirements [1].…”

Section: Page | 55mentioning

confidence: 99%

“…The commercialization of nano-biotechnological products seems to have a potential future and within next a few years many new products of this nature are likely to be used. Nano and micro-fluidics is a new area which has potential for engineering applications, especially for the development of new biomedical devices and procedures [1].…”

Section: Introductionmentioning

confidence: 99%

Numerical treatment and Global Error Estimation of a MHD Flows of an Oldroyd 6-Constant Nano-Fluid through a non-Darcy Porous medium with Heat and Mass Transfer

Shaaban¹

2017

Engineering Journal

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“…During the past few years, flow and heat transfer characteristics in nanofluids have been substantially addressed by researchers (see Refs. [35][36][37][38][39][40][41][42][43][44][45][46].…”

Section: Introductionmentioning

confidence: 99%

Simulations for Maxwell fluid flow past a convectively heated exponentially stretching sheet with nanoparticles

et al. 2015

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This article addresses steady flow of Maxwell nanofluid induced by an exponentially stretching sheet subject to convective heating. The revised model of passively controlled wall nanoparticle volume fraction is taken into account. Numerical solutions of the arising non-linear boundary value problem (BVP) are obtained by using MATLAB built-in function bvp4c. Simulations are performed for various values of embedded parameters which include local Deborah number, Prandtl number, Biot number, Brownian motion parameter and thermophoresis parameter. The results are consistent with the previous studies in some limiting cases. It is found that velocity decreases and temperature increases when the local Deborah number is increased. Moreover the influence of Brownian diffusion on temperature and heat transfer rate is found to be insignificant.

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Nonlinear radiative heat transfer in the flow of nanofluid due to solar energy: A numerical study

Cited by 130 publications

References 36 publications

Natural convection and entropy generation of ultrafine atmospheric aerosols in the presence of hydrodynamic partial slip and thermal radiation due to solar energy

Natural convection and entropy generation of ultrafine atmospheric aerosols in the presence of hydrodynamic partial slip and thermal radiation due to solar energy

Numerical treatment and Global Error Estimation of a MHD Flows of an Oldroyd 6-Constant Nano-Fluid through a non-Darcy Porous medium with Heat and Mass Transfer

Simulations for Maxwell fluid flow past a convectively heated exponentially stretching sheet with nanoparticles

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