Three-dimensional squeezed flow of aqueous magnetite–graphene oxide hybrid nanofluid: A novel hybridity model with analysis of shape factor effects

Dinarvand, Saeed; Rostami, Mohammadreza Nademi

doi:10.1177/0954408920906274

Cited by 40 publications

(17 citation statements)

References 44 publications

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“…With greater nanoparticle volume fraction there is however a slight decrease in temperatures for water-TiO 2 (Figure 5A) whereas there is a more prominent reduction in temperature for ethylene glycol-TiO 2 nanofluid (Figure 5B). The general thermal enhancement properties of nanofluids, as predicted by many researchers, for example, [24][25][26]32 are therefore not computed for convergent channels.…”

Section: Validation With No-slip Case and Absence Of Viscous Heatingmentioning

confidence: 99%

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Multiple slip effects on nanofluid dissipative flow in a converging/diverging channel: A numerical study

Bég¹,

Bég

Khan

et al. 2021

Heat Trans

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A mathematical model is developed for viscous slip flow and heat transfer in water/Ethylene glycol-based nanofluids containing metallic oxide nanoparticles, through a converging/diverging channel. We adopt the single-phase Tiwari-Das model. The governing equations are transformed to a set of similarity differential equations with the help of similarity transformation, before being solved numerically using Maple 20. Validation of the velocity gradient and temperature solutions is achieved with the second-order implicit finite difference Keller Box method. Further validation is included for the special case of no-slip nanofluid flow in the absence of viscous heating. The effects of the parameters, namely velocity slip, thermal jump, channel apex angle, Eckert number, Prandtl number, Reynolds number, and nano-particle volume fraction on velocity, temperature, skin friction, and heat transfer rate are investigated in detail. It is found that with increasing velocity slip, for water-TiO 2 and ethylene glycol-TiO 2 nanofluids, the channel bulk flow is decelerated whilst with greater solid (nanoparticle) volume and in the presence of momentum slip, the flow is also retarded. With the increasing semivertex angle, the channel flow is generally accelerated. An increase in divergent semiangle leads to decelerate the flow from the centerline for the core flow region, whereas

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Section: Validation With No-slip Case and Absence Of Viscous Heatingmentioning

confidence: 99%

“…Various applications of the Tiwari-Das nanofluid model 26 have been analyzed by a number of researchers. [29][30][31][32] Recently, Saleem and Heidarshenas 33 reported an examination of exergy in a wavy wall microchannel heat sink by using various nanoparticles in fluid flow. They used commercial Ansys fluent software.…”

Section: Introductionmentioning

confidence: 99%

Multiple slip effects on nanofluid dissipative flow in a converging/diverging channel: A numerical study

Bég¹,

Bég

Khan

et al. 2021

Heat Trans

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“…Their contributions show the anti-tumor effect of particles which indicate that they could be a cost-effective cancer therapy then another treatment 19 . Some recent studies regarding hybrid nanofluids flows with different geometries are investigated by Zainal et al 20 – 22 and Dinarvand 23 – 25 .…”

Section: Introductionmentioning

confidence: 99%

Mixed convection stagnation point flow of the blood based hybrid nanofluid around a rotating sphere

Gul

Ali

Alghamdi

et al. 2021

Sci Rep

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In this new world of fluid technologies, hybrid nanofluid has become a productive subject of research among scientists for its potential thermal features and abilities, which provides an excellent result as compared to nanofluids in growing the rate of heat transport. Our purpose here is to introduce the substantial influences of magnetic field on 2D, time-dependent and stagnation point inviscid flow of couple stress hybrid nanofluid around a rotating sphere with base fluid is pure blood, $${\text{TiO}}_{2} \,\,{\text{and}}\,\,{\text{Ag}}$$ TiO 2 and Ag as the nanoparticles. To translate the governing system of partial differential equations and the boundary conditions relevant for computation, some suitable transformations are implemented. To obtain the analytical estimations for the corresponding system of differential expression, the innovative Optimal Homotopy Analysis Method is used. The characteristics of hybrid nanofluid flow patterns, including temperature, velocity and concentration profiles are simulated and analyzed in detail due to the variation in the evolving variables. Detailed research is also performed to investigate the influences of relevant constraints on the rates, momentum and heat transport for both $${\text{TiO}}_{2} + {\text{Ag}} + Blood$$ TiO 2 + Ag + B l o o d and $${\text{TiO}}_{2} + Blood$$ TiO 2 + B l o o d . One of the many outcomes of this analysis, it is observed that increasing the magnetic factor will decelerate the hybrid nanofluid flow velocity and improve the temperature profile. It may also be demonstrated that by increasing the Brownian motion factor, significant improvement can be made in the concentration field of hybrid nanofluid. The increase in the nanoparticle volume fraction from 0.01 to 0.02 in the case of the hybrid nanofluid enhances the thermal conductivity from 5.8 to 11.947% and for the same value of the nanoparticle volume fraction in the case of nanofluid enhance the thermal conductivity from 2.576 to 5.197%.

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“…Waini et al 25 reported unsteady flow and heat transfer in

{Al}_{2} O_{3}

–Cu HNF through a stretching/shrinking layer and the local Nusselt number grows with rising concentration of Cu. Dinarvand and Rostami 26 investigated three‐dimensional (3D) squeezed flow in

{Fe}_{3} O_{4}

–Go/water HNF and suggested the single‐phase mass‐based technique for quasi‐analytical simulation of HNFs. In addition, more relevant numerical and theoretical studies about HNF and convective heat transfer have been reported 27–31 …”

Section: Introductionmentioning

confidence: 99%

A computational analysis of dissipation effects on the hydromagnetic convective flow of hybrid nanofluids along a vertical wavy surface

et al. 2021

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Hybrid nanofluids (HNFs) are innovative nanofluids produced by adding various types of nanoparticles to the base fluid. A mathematical analysis of flow and heat transfer of hydromagnetic HNF along a vertical wavy texture is performed in this article. The effects of viscous dissipation are also encountered in the present study. The considered HNF was composed of two nanoparticles, copper and titania. The mathematical modeled partial differential equations are transformed into dimensionless nonsimilar forms. The results obtained for the HNF were compared with those for the Cu‐ and TiO 2‐based nanofluid with the help of a well‐known numerical procedure, the Keller‐box scheme. On nonflat (wavy) texture, the Nusselt number is higher as compared with a flat sheet. The Nusselt number is higher for Cu nanoparticles relative to Ti nanoparticles. For increased wavy amplitude and magnetic parameter Mg values, a reduction in the coefficient of skin friction and Nusselt number is expected.

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Three-dimensional squeezed flow of aqueous magnetite–graphene oxide hybrid nanofluid: A novel hybridity model with analysis of shape factor effects

Cited by 40 publications

References 44 publications

Multiple slip effects on nanofluid dissipative flow in a converging/diverging channel: A numerical study

Multiple slip effects on nanofluid dissipative flow in a converging/diverging channel: A numerical study

Mixed convection stagnation point flow of the blood based hybrid nanofluid around a rotating sphere

A computational analysis of dissipation effects on the hydromagnetic convective flow of hybrid nanofluids along a vertical wavy surface

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