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Entropy generation in Casson nanofluid flow over a surface with nonlinear thermal radiation and binary chemical reaction

Almakki, Mohammed / Mondal, Hiranmoy / Kameswaran, Peri K. / Sibanda, Precious

We introduce a model that precisely accounts the flow of fluid of Casson nanofluid over a stretched surface with activation energy and analyze entropy generation. The model is an attempt to investigate heat transfer and entropy generation in the laminar boundary layer near a stagnation point. The modified Arrhenius function for activation energy is used. Here, the flow of the fluid is subjected to nonlinear thermal radiation, viscous disipation, binary chemical reaction, and external magnetic field. The coupled nonlinear system is further validated using the spectral lineralization method. The method is found to be accurate and convergent. The results show that the Reynolds number and Casson parameter have a significant effect in entropy generation.

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Entropy generation in Casson nanofluid flow over a surface with nonlinear thermal radiation and binary chemical reaction

Almakki, Mohammed / Mondal, Hiranmoy / Kameswaran, Peri K. / Sibanda, Precious

We introduce a model that precisely accounts the flow of fluid of Casson nanofluid over a stretched surface with activation energy and analyze entropy generation. The model is an attempt to investigate heat transfer and entropy generation in the laminar boundary layer near a stagnation point. The modified Arrhenius function for activation energy is used. Here, the flow of the fluid is subjected to nonlinear thermal radiation, viscous disipation, binary chemical reaction, and external magnetic field. The coupled nonlinear system is further validated using the spectral lineralization method. The method is found to be accurate and convergent. The results show that the Reynolds number and Casson parameter have a significant effect in entropy generation.

Entropy generation in Casson nanofluid flow over a surface with nonlinear thermal radiation and binary chemical reaction

Almakki, Mohammed / Mondal, Hiranmoy / Kameswaran, Peri K. / Sibanda, Precious

We introduce a model that precisely accounts the flow of fluid of Casson nanofluid over a stretched surface with activation energy and analyze entropy generation. The model is an attempt to investigate heat transfer and entropy generation in the laminar boundary layer near a stagnation point. The modified Arrhenius function for activation energy is used. Here, the flow of the fluid is subjected to nonlinear thermal radiation, viscous disipation, binary chemical reaction, and external magnetic field. The coupled nonlinear system is further validated using the spectral lineralization method. The method is found to be accurate and convergent. The results show that the Reynolds number and Casson parameter have a significant effect in entropy generation.

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Title:

Entropy generation in Casson nanofluid flow over a surface with nonlinear thermal radiation and binary chemical reaction

Contributors:

Almakki, Mohammed (author) / Mondal, Hiranmoy (author) / Kameswaran, Peri K. (author) / Sibanda, Precious (author)

Published in:

Heat Transfer ; 50 ; 4855-4870

Publication date:

2021-07-01

Size:

16 pages

ISSN:

2688-4542 , 2688-4534

DOI:

https://doi.org/10.1002/htj.22106

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

binary chemical reaction , spectral quasi‐linearization method , Casson nanofluids , entropy generation , nonlinear thermal radiation

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