MHD Powell–Eyring fluid flow with Cattaneo–Christov heat and mass flux over a stretching sheet
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Pudi Sreenivasa Rao
Abstract
This study investigates the influence of internal heat generation or absorption and both constructive and destructive chemical reactions on fluid flow. These effects are particularly significant in chemically reacting or dissociating fluids, where thermal energy exchange plays a crucial role. Such phenomena frequently arise in practical applications including chemical reactors, underground waste disposal, thermal management of semiconductor devices, and biomedical engineering processes such as targeted drug delivery involving reactive transport. The governing equations are highly nonlinear and coupled, making analytical solutions challenging. To overcome this complexity, a suitable numerical method is employed to obtain accurate solutions. Results for velocity, temperature, and concentration are illustrated graphically across varying parameter values. An increase in the heat and mass flux Deborah numbers (De1 and De2) leads to a reduction in velocity, while temperature and concentration increase with De1; De2 reduces both velocity and concentration. The skin friction coefficient (Cf), Nusselt number (Nu), and Sherwood number (Sh) exhibit growth with increasing De1, while De2 enhances the Nusselt number at the wall.
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Research ethics: This article does not contain any studies involving human participants or animals performed by any of the authors.
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Informed consent: Not applicable, as the study does not involve human participants.
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Author contributions: Pudi Sreenivasa Rao: Conceptualization, Mathematical modeling, Numerical simulations, Writing – original draft, P. Chandrakala: Methodology, Validation, Writing – review & editing, Supervision. Both authors read and approved the final manuscript.
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Conflict of interest: The authors declare that there is no conflict of interest regarding the publication of this paper.
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Research funding: The authors did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors for this research.
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Data availability: All data generated or analyzed during this study are included in this published article. Further data can be made available by the authors upon reasonable request.
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