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Heat transfer and irreversibility rate in MHD flow of a hybrid nanofluid with Newton boundary condition, slip flow, and nonlinear thermal radiation

Puttaswmay, Venkatesh / Bijjanal Jayanna, Gireesha / Doranalu Onkarappa, Soumya

The magnetohydrodynamic flow of a water‐based ${Al}_{2} O_{3} - Cu$ hybrid nanoliquid through a vertical microchannel has been investigated in the presence of collective effects, such as volume fraction of nanoparticle, suction/injection, magnetic field, temperature‐dependent heat source, hydrodynamic slip, and convective boundary conditions. The current mathematical formulations have been worked out numerically by using the fourth‐ and fifth‐order Runge–Kutta–Fehlberg scheme. The physical aspects of variation in velocity, temperature, entropy generation, and Bejan number with considered governing parameters have been discussed via corresponding graphs. The obtained numerical results demonstrated that radiation parameter and nanoparticle volume fraction reduce the thermal energy of the hybrid nanofluid. Moreover, entropy generation diminishes with the Hartmann number and permeability parameter, whereas it enhances with the Grashof number and Biot number.

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Heat transfer and irreversibility rate in MHD flow of a hybrid nanofluid with Newton boundary condition, slip flow, and nonlinear thermal radiation

Puttaswmay, Venkatesh / Bijjanal Jayanna, Gireesha / Doranalu Onkarappa, Soumya

The magnetohydrodynamic flow of a water‐based ${Al}_{2} O_{3} - Cu$ hybrid nanoliquid through a vertical microchannel has been investigated in the presence of collective effects, such as volume fraction of nanoparticle, suction/injection, magnetic field, temperature‐dependent heat source, hydrodynamic slip, and convective boundary conditions. The current mathematical formulations have been worked out numerically by using the fourth‐ and fifth‐order Runge–Kutta–Fehlberg scheme. The physical aspects of variation in velocity, temperature, entropy generation, and Bejan number with considered governing parameters have been discussed via corresponding graphs. The obtained numerical results demonstrated that radiation parameter and nanoparticle volume fraction reduce the thermal energy of the hybrid nanofluid. Moreover, entropy generation diminishes with the Hartmann number and permeability parameter, whereas it enhances with the Grashof number and Biot number.

Heat transfer and irreversibility rate in MHD flow of a hybrid nanofluid with Newton boundary condition, slip flow, and nonlinear thermal radiation

Puttaswmay, Venkatesh / Bijjanal Jayanna, Gireesha / Doranalu Onkarappa, Soumya

The magnetohydrodynamic flow of a water‐based ${Al}_{2} O_{3} - Cu$ hybrid nanoliquid through a vertical microchannel has been investigated in the presence of collective effects, such as volume fraction of nanoparticle, suction/injection, magnetic field, temperature‐dependent heat source, hydrodynamic slip, and convective boundary conditions. The current mathematical formulations have been worked out numerically by using the fourth‐ and fifth‐order Runge–Kutta–Fehlberg scheme. The physical aspects of variation in velocity, temperature, entropy generation, and Bejan number with considered governing parameters have been discussed via corresponding graphs. The obtained numerical results demonstrated that radiation parameter and nanoparticle volume fraction reduce the thermal energy of the hybrid nanofluid. Moreover, entropy generation diminishes with the Hartmann number and permeability parameter, whereas it enhances with the Grashof number and Biot number.

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Title:

Heat transfer and irreversibility rate in MHD flow of a hybrid nanofluid with Newton boundary condition, slip flow, and nonlinear thermal radiation

Contributors:

Puttaswmay, Venkatesh (author) / Bijjanal Jayanna, Gireesha (author) / Doranalu Onkarappa, Soumya (author)

Published in:

Heat Transfer ; 50 ; 3342-3365

Publication date:

2021-06-01

Size:

24 pages

ISSN:

2688-4542 , 2688-4534

DOI:

https://doi.org/10.1002/htj.22031

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

microchannel , entropy generation , nonlinear thermal radiation , hybrid nanofluid , slip flow

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