Free convection flow of nanofluids between two vertical plates with damped thermal flux

Hajizadeh, Ahmad; Shah, Nehad Ali; Shah, Syed İnayat Ali; Animasaun, Isaac Lare; Rahimi‐Gorji, Mohammad; Alarifi, Ibrahim M.

doi:10.1016/j.molliq.2019.110964

Cited by 70 publications

(19 citation statements)

References 31 publications

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“…They found enhancement in rate of solidification with increasing shape factor, even though there is a reduction in temperature. Several attempts of nanofluids under different aspects have been conducted [19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37] .…”

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confidence: 99%

Peristaltic channel flow and heat transfer of Carreau magneto hybrid nanofluid in the presence of homogeneous/heterogeneous reactions

Bibi

2020

Sci Rep

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The purpose of present work is to explore the features of homogeneous-heterogeneous reactions in peristalsis flow of Carreau magneto hybrid nanofluid with copper and silver nanoparticles in a symmetric channel. The velocity slip condition and thermal radiation effect is also taken in the simplified model. Thermodynamic optimization aspect is discussed through the entropy generation analysis. The proposed mathematical systems are modified by using a lubrication approach and solved by a homotopy-based package-BVPh 2.0. The impacts of different involved parameters on flow characteristics, thermal characteristics, chemically reactive concentration and entropy generation are scrutinized through analytic results. It reveals that the fluid velocity decreases with the increasing values of the Weissenberg and the Hartman numbers. Characteristics of the Brinkman and the thermal radiation numbers are quite reverse for the heat transfer rate. In addition, entropy generation decreases with thermal radiation and Weissenberg number. The main outcome signifies that hybrid nanofluid is better thermal conductor as compared to the conventional nanofluid. Nomenclature V Velocity of the nanofluid B Magnetic field J Current density P Pressure T Temperature c p Heat capacity Wave length k Thermal conductivity 2a Width of the channel α Concentration of chemical species Ā β Concentration of chemical species B b Amplitude of the peristaltic wave k c Homogeneous reaction coefficient k s Heterogeneous reaction coefficient D A Diffusion coefficient of chemical species A D B Diffusion coefficient of chemical species B c p Specific heat at constant pressure Sc Schmidt number Re Reynold number M Hartman number

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confidence: 99%

Peristaltic channel flow and heat transfer of Carreau magneto hybrid nanofluid in the presence of homogeneous/heterogeneous reactions

Bibi

2020

Sci Rep

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“…The seepage velocity at the slit walls was assumed to obey Darcy's law, whereas the tangential velocity was taken by Beaver's and Joseph's slip boundary condition; an exact solution of the hydrodynamic equations was obtained using the separation of variables technique. Hajizadeh et al (2019) considered the transient free convection flow of nanofluids between two vertical parallel plates in the presence of radiation and damped thermal flux, considering the generalized Fourier's law is in thermal flux constitutive equation, and using the integral transform technique for finding the exact solutions of the fractional governing differential equations for fluid temperature and velocity field. Souayeh et al (2019) developed a steady mathematical model for flow and heat transfer of dusty hybrid nanofluid over a stretching sheet.…”

Section: Introductionmentioning

confidence: 99%

Effects of heat transfer and the endoscope on Jeffrey fluid peristaltic flow in tubes

Abd-Alla

Abo‐Dahab

Abdelhafez

et al. 2021

MMMS

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PurposeThis article aims to describe the effect of an endoscope and heat transfer on the peristaltic flow of a Jeffrey fluid through the gap between concentric uniform tubes.Design/methodology/approachThe mathematical model of the present problem is carried out under long wavelength and low Reynolds number approximations. Analytical solutions for the velocity, temperature profiles, pressure gradient and volume flow rate are obtained.FindingsThe results indicate that the effect of the wave amplitude, radius ratio, Grashof number, the ratio of relaxation to retardation times and the radius are very pronounced in the phenomena. Also, a comparison of obtaining an analytical solution against previous literatures shows satisfactory agreement.Originality/valueAnalytical solutions for the velocity, temperature profiles, pressure gradient and volume flow rate are obtained. Numerical integration is performed to analyze the pressure rise and frictional forces on the inner and outer tubes.

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“…The study of oscillatory flow through a channel is important in science and engineering applications such as in MHD generators, blood flow and in petroleum engineering [6]. Some researchers considered oscillation in their research in vertical plates but not many considered oscillating in parallel plates [7][8][9]. The studies show that analysis in oscillating flow in channel are only a few.…”

Section: Introductionmentioning

confidence: 99%

“…Narahari et al, [16] investigated the exact solutions of the free convection flow of nanofluids between two vertical parallel plates with radiation effects. Hajizadeh et al, [17] discussed free convection flow of nanofluids between vertical plates with damped thermal flux boundary condition. Shekolaleslami and Ganji [18] and Shekolaleslami et al, [19] studied heat transfer of Cu-water nanofluid flow between parallel plates and extended the study and investigated the numerical simulation of unsteady nanofluid flow and heat transfer between parallel plates with presence of a time-dependent magnetic field.…”

Section: Introductionmentioning

confidence: 99%

Unsteady Free Convection Flow of Nanofluids between Vertical Oscillating Plates with Mass Diffusion

Zulkiflee

Shafie

Mohamad

2020

ARFMTS

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In this paper, free convection of nanofluids flow with oscillating vertical parallel plates and mass diffusion were considered. Obtained equations were converted into ordinary differential equations with appropriate transformations. Method of Laplace transform was used to find the exact solutions of velocity, temperature and concentration profiles from the dimensionless governing equations. Discussion of graph pertaining to different embedded parameters such as Prandtl number, Schmidt number, Grashof and mass Grashof number, oscillating parameter and nanoparticles volume fraction parameter was also added. Skin friction, Nusselt and Sherwood number were also discussed and deliberated.

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Free convection flow of nanofluids between two vertical plates with damped thermal flux

Cited by 70 publications

References 31 publications

Peristaltic channel flow and heat transfer of Carreau magneto hybrid nanofluid in the presence of homogeneous/heterogeneous reactions

Peristaltic channel flow and heat transfer of Carreau magneto hybrid nanofluid in the presence of homogeneous/heterogeneous reactions

Effects of heat transfer and the endoscope on Jeffrey fluid peristaltic flow in tubes

Unsteady Free Convection Flow of Nanofluids between Vertical Oscillating Plates with Mass Diffusion

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