Squeezing flow past a Riga plate with chemical reaction and convective conditions

Hayat, Tasawar; Khan, M. Ijaz; Imtiaz, Maria; Alsaedi, Ahmed

doi:10.1016/j.molliq.2016.11.089

Cited by 56 publications

(41 citation statements)

References 33 publications

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“…Moreover, the nonlinear thermal radiation and chemical reaction effects are also considered. The Navier-Stokes equations, suitable for the present flow situation, are given as [36]:…”

Section: Formulation Of the Governing Equationsmentioning

confidence: 99%

“…Furthermore, ℎ and simultaneously represents the effective dynamic viscosities of the hybrid nanofluid and mono nanofluid that significantly influence the flow behavior of the host fluid. Brinkman [45], in 1952, proposed a model for the effective dynamic viscosity ( ) of a mono nanofluid which is given below: ations, suitable for the present flow situation, are given as [36]:…”

Section: Formulation Of the Governing Equationsmentioning

confidence: 99%

“…The electro magneto hydrodynamic flow of nanofluid, induced by Riga plate along with the slip consequences, have been examined by Ayub et al [35]. In 2017, Hayat et al [36], discussed the squeezing flow of a fluid between two parallel Riga plates, together with convective heat transfer. The thermal radiative effects accompanied by chemical reaction, were also a part of their study.…”

Section: Introductionmentioning

confidence: 99%

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Spherical Shaped ( A g − F e 3 O 4 / H 2 O ) Hybrid Nanofluid

et al. 2018

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The main concern is to explore an electro-magneto hydrodynamic (EMHD) squeezing flow of ( A g − F e 3 O 4 / H 2 O ) hybrid nanofluid between stretchable parallel Riga plates. The benefits of the use of hybrid nanofluids, and the parameters associated to it, have been analyzed mathematically. This particular problem has a lot of importance in several branches of engineering and industry. Heat and mass transfer along with nonlinear thermal radiation and chemical reaction effects have also been incorporated while carrying out the study. An appropriate selection of dimensionless variables have enabled us to develop a mathematical model for the present flow situation. The resulting mathematical method have been solved by a numerical scheme named as the method of moment. The accuracy of the scheme has been ensured by comparing the present result to some already existing results of the same problem, but for a limited case. To back our results further we have also obtained the solution by anther recipe known as the Runge-Kutta-Fehlberg method combined with the shooting technique. The error analysis in a tabulated form have also been presented to validate the acquired results. Furthermore, with the graphical assistance, the variation in the behavior of the velocity, temperature and concentration profile have been inspected under the action of various ingrained parameters. The expressions for skin friction coefficient, local Nusselt number and local Sherwood number, in case of ( A g − F e 3 O 4 / H 2 O ) hybrid nanofluid, have been derived and the influence of various parameters have also been discussed.

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“…Moreover, the nonlinear thermal radiation and chemical reaction effects are also considered. The Navier-Stokes equations, suitable for the present flow situation, are given as [36]:…”

Section: Formulation Of the Governing Equationsmentioning

confidence: 99%

Section: Formulation Of the Governing Equationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Spherical Shaped ( A g − F e 3 O 4 / H 2 O ) Hybrid Nanofluid

et al. 2018

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“…From a Riga plate, the entropy analysis was scrutinized by Abbas et al [32], in the presence of nanomaterials' fluid flow. The impact of chemical reaction on squeezing flow from a convectively heated Riga surface was examined by Hayat et al [33]. Recently, Iqbal et al [34] utilized Keller box procedure to obtain the numerical solution of melting heat-transfer flow comprising nanomaterial through the Riga surface with irregular thickness.…”

Section: Introductionmentioning

confidence: 99%

Entropy Generation and Dual Solutions in Mixed Convection Stagnation Point Flow of Micropolar Ti6Al4V Nanoparticle along a Riga Surface

Zaib

Khan

et al. 2019

Processes

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Entropy generation and dual solutions are rarely studied in the literature. An analysis is attempted here. More exactly, the present paper looks at the impact of radiation of a micropolar fluid on mixed convective flow containing the titanium alloy Ti 6 Al 4 V nanoparticle along with a Riga plate. The study of dual-nature solution for the entropy generation along a Riga surface was not being explored in the literature; therefore, the current model focuses on the dual solutions of this complex nature model. Riga surface is identified as an actuator of electromagnetic in which electrodes are accumulated alternatively. This array produces the behavior of electromagnetic hydrodynamic in the flow field. The transmuted leading equations were worked out through the formula of 3-stage Lobatto IIIA. Influences of exercising enormous parameters on temperature distribution, velocity, and micro rotation fields are portrayed and argued. More than one solution is achieved in opposing flow, while in the phenomenon of assisting flow result is unique. Moreover, due to the micropolar parameter, the separation of the boundary layer is decelerating. It is determined that the entire structure produces the dual-nature solution of the phenomenon of stagnation point flow, and the temperature profile behavior shows the significant enhancement in the thermal conductivity due to the addition of the nanoparticle. The results exposed that liquid velocity is enhanced, and micro rotation is decelerated, by improving the values of Hartmann numbers in both solutions, whereas the temperature field is decelerated in the first solution and accelerated in the second solution.

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“…Umavathi et al have studied 3‐dimensional nanofluid in a horizontal layer with Dufor and Soret effects. Hayat et al have considered convective heat transfer of MHD squeezing flow past a riga plate with radiation and chemical reaction. Qayyum et al have carried out MHD chemical reacting stagnation point flow of Walter‐B nanofluid over a stretching sheet with thermal radiation.…”

Section: Introductionmentioning

confidence: 99%

Entropy generation analysis of natural convective chemically reacting squeezing flow of Casson fluid between parallel disks with Hall and Ion slip currents

Ramesh

Ojjela

2019

Heat Trans. Asian Res.

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This paper concerns the second law analysis of free convective squeezing flow of a chemically reacting Casson fluid confined between two parallel disks with Hall and Ion slip effects. The upper one is impermeable and the lower disk is porous. The linear momentum, energy balance and mass partial differential equations converted as system of ODEs by similarity transformations and tackled with shooting method via fourth order Runge-Kutta scheme. The impact of various dimensionless geometric and fluid parameters on the velocity fields, temperature and concentration fields, entropy generation and Bejan numbers are studied and presented in the form of pictorially. The present results are correlated with already published outcomes for viscous case and found to be good agreement. The Bejan number of the fluid enhances with Ion slip parameter, whereas the concentration profile of the fluid is decreases with increasing of the Casson fluid parameter. The entropy generation of the fluid is enhanced with Eckert number whereas the Bejan number is decreased with suction/blowing parameter K E Y W O R D S chemical reaction, entropy generation, free convection, Hall and Ion slip effects

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Squeezing flow past a Riga plate with chemical reaction and convective conditions

Cited by 56 publications

References 33 publications

Spherical Shaped ( A g − F e 3 O 4 / H 2 O ) Hybrid Nanofluid

Spherical Shaped ( A g − F e 3 O 4 / H 2 O ) Hybrid Nanofluid

Entropy Generation and Dual Solutions in Mixed Convection Stagnation Point Flow of Micropolar Ti6Al4V Nanoparticle along a Riga Surface

Entropy generation analysis of natural convective chemically reacting squeezing flow of Casson fluid between parallel disks with Hall and Ion slip currents

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