Analytical investigation of MHD nanofluid flow in a semi-porous channel

Sheikholeslami, M.; Hatami, M.; Ganji, D.D.

doi:10.1016/j.powtec.2013.05.030

Cited by 254 publications

(88 citation statements)

References 28 publications

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“…They examined the ow of nano uid in a semi-porous channel by using the least square and Galerkin methods. In Figure 3, our results and those of Sheikholeslami et al [35] have been presented for Re = 0:5, Ha = 0:5, and = 0:05.…”

Section: Problem Formulationmentioning

confidence: 59%

“…The hybrid nano uid density [31,32], heat capacity [32,33] electrical conductivity [34,35], viscosity, and thermal conductivity [18] are obtained from the following relations, respectively: …”

Section: Problem Formulationmentioning

confidence: 99%

“…(17) to (19), the residual function is obtained and by substituting the residual functions into Eqs. (32) to (35), a set of equations will be obtained; by solving these algebraic equations, coe cients c 1 -c 13 will be determined.…”

Section: Problem Formulationmentioning

confidence: 99%

“…In order to make a comparison between the numerical results and the previous literature, the results of Sheikholeslami et al [35] have been used. They examined the ow of nano uid in a semi-porous channel by using the least square and Galerkin methods.…”

Section: Problem Formulationmentioning

confidence: 99%

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Analytical study of Al2O3-Cu/water micropolar hybrid nanofluid in a porous channel with expanding/contracting walls in the presence of magnetic field

2017

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Abstract. Forced convection uid ow and heat transfer were investigated in a porous channel with expanding or contracting walls, which was lled with Al2O3-Cu/water micropolar hybrid nano uid in the presence of magnetic eld. In order to solve the governing equations analytically, the least square method was employed. The hot bottom wall was cooled by the coolant uid, which was injected into the channel from the top wall. The range of nanoparticles volume fraction (90% Al 2 O 3 and 10% Cu by volume) was between 0% and 2%. The e ects of consequential parameters such as Reynolds number, Hartmann number, micro rotation factor, and nanoparticles volume fraction on velocity and temperature pro les were examined. The results show that with increasing Reynolds number, the values of temperature and micro rotation pro les decrease. Furthermore, when the hybrid nano uid is used, compared to common nano uid, the heat transfer coe cient will increase signi cantly. It is also observed that when the Hartmann number increases, Nusselt number increases, too.

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Section: Problem Formulationmentioning

confidence: 59%

Section: Problem Formulationmentioning

confidence: 99%

Section: Problem Formulationmentioning

confidence: 99%

Section: Problem Formulationmentioning

confidence: 99%

See 2 more Smart Citations

Analytical study of Al2O3-Cu/water micropolar hybrid nanofluid in a porous channel with expanding/contracting walls in the presence of magnetic field

2017

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“…Resulting systems are computed by homotopy analysis method. [41][42][43][44][45][46][47][48][49][50] Velocity, temperature and concentration are explained for in°uential variables. The present consideration has relevance in processes related to geophysical application, polymer technology and paper production etc.…”

Section: Introductionmentioning

confidence: 99%

Development of homogeneous/heterogeneous reaction in flow based through non-Darcy Forchheimer medium

Hayat

Faisal

Alsaedi

et al. 2017

J. Theor. Comput. Chem.

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The objective here is to analyze the in°uence of homogeneous and heterogeneous reactions in°o w induced by convectively heated sheet with nonlinear velocity and variable thickness. Porous medium e®ect is characterized by Darcy-Forchheimer consideration. A simple isothermal model of homogeneous-heterogeneous reactions is used to regulate the temperature of stretched surface. Thermodynamics processes of homogeneous-heterogeneous reactions analyze the e®ect of temperature phase changes. Resulting problems are computed for the convergent solutions of velocity, temperature and concentration. Analysis for the in°uential variables on the physical quantities is graphically examined. Our computed results interpret that velocitȳ eld decays for larger magnetic parameter while temperature¯eld enhances for higher estimation of Biot number.

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Exact analysis of the transient free convection flow of nanofluids between two vertical parallel plates in the presence of radiation

2017

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The transient free convection flow of nanofluids between two long vertical parallel plates has been investigated analytically in the presence of thermal radiation by considering prescribed wall temperature (PWT) and prescribed wall heat flux (PWHF) at one boundary while the other boundary is maintained at the initial fluid temperature. The exact analytical solutions for the nanofluid velocity, temperature, skin friction, and Nusselt number are derived in the form of rapidly converging series with the help of Laplace transform technique. Five different types of water‐based nanofluids containing copper (Cu), silver (Ag), copper oxide (CuO), titanium oxide (TiO2), and aluminium oxide (Al2O3) are considered in the analysis. The effects of nanoparticle volume fraction, radiation parameter, and temporal variable on the velocity, temperature, skin friction, Nusselt number, volume flow rate, and vertical heat flux have been discussed in detail. Some new heat and fluid flow characteristics of nanofluids have been presented. The present results can be used as a benchmark to validate the numerical solutions of transient free convection flow of nanofluids in a vertical channel for limiting cases. Also, the results are useful in gaining a deeper insight into the relevant practical systems.

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Analytical investigation of MHD nanofluid flow in a semi-porous channel

Cited by 254 publications

References 28 publications

Analytical study of Al2O3-Cu/water micropolar hybrid nanofluid in a porous channel with expanding/contracting walls in the presence of magnetic field

Analytical study of Al2O3-Cu/water micropolar hybrid nanofluid in a porous channel with expanding/contracting walls in the presence of magnetic field

Development of homogeneous/heterogeneous reaction in flow based through non-Darcy Forchheimer medium

Exact analysis of the transient free convection flow of nanofluids between two vertical parallel plates in the presence of radiation

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