Volume 105, Issue 2 e202400260
ORIGINAL PAPER

Thermodynamic analysis of Casson fluid flow through porous rectangular conduit in the presence of thermal radiation and convective boundaries

Foram Koyani

Foram Koyani

Department of Mathematics, School of Technology, Pandit Deendayal Energy University, Gandhinagar, India

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Ankush Raje

Corresponding Author

Ankush Raje

Department of Mathematics, School of Technology, Pandit Deendayal Energy University, Gandhinagar, India

Correspondence

Ankush Raje, Department of Mathematics, School of Technology, Pandit Deendayal Energy University, Gandhinagar, 382426, India.

Email: [email protected]; Ashlesha Bhise, Department of Mathematics, Faculty of Sciences, Adani University, Ahmedabad 382421, India. Email: [email protected]

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Ashlesha Bhise

Corresponding Author

Ashlesha Bhise

Department of Mathematics, Faculty of Sciences, Adani University, Ahmedabad, India

Correspondence

Ankush Raje, Department of Mathematics, School of Technology, Pandit Deendayal Energy University, Gandhinagar, 382426, India.

Email: [email protected]; Ashlesha Bhise, Department of Mathematics, Faculty of Sciences, Adani University, Ahmedabad 382421, India. Email: [email protected]

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Katta Ramesh

Katta Ramesh

Department of Pure and Applied Mathematics, School of Mathematical Sciences, Sunway University, Petaling Jaya, Selangor Darul Ehsan, Malaysia

Department of Mathematics, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, India

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First published: 24 February 2025
Citations: 3

Abstract

The study of flow and heat transfer in Casson fluid is of significant importance, as the Casson fluid model effectively describes various complex fluids relevant to industries such as food processing, nuclear reactors, engineering devices, and biomedical applications. In this work, the flow characteristics, heat transfer behavior, entropy generation, and Bejan number have been analyzed for the incompressible Casson fluid flowing through a rectangular duct embedded in a porous medium. No-slip boundary conditions for fluid velocity and convective boundary conditions for thermal transport are applied at the duct walls. Additionally, the impact of thermal radiation on temperature profiles is investigated to understand heat transfer enhancement. The governing equations include the momentum equation (describing fluid velocity), the energy equation (describing temperature distribution), and thermodynamic equations (addressing entropy generation and irreversibility). These equations are modelled and solved using the well-established finite difference method. The results, presented as two-dimensional graphs, provide valuable insights into the influence of key parameters on fluid behavior, heat transfer efficiency, and system irreversibility, offering implications for practical applications.

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