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This study investigates the flow of mixed convective Casson nanofluid with the Cattaneo-Christov model and gyrotactic microorganisms, addressing the effects of thermal radiation, activation energy, and Darcy-Forchheimer. Results obtained by employing MATLAB’s bvp5c tool, illustrate that the heat distribution profile is elevated with increasing radiation and thermal source. Additionally, the motile microorganism profile exhibits a downward trend with increasing Peclet and Bioconvective Lewis numbers. Also, the thermal transmission rate increases with boosted Radiation, while the motile density is escalated against the Peclet and Schmidt numbers. This investigation has practical applications in biomedical engineering, chemical and medicinal industries, and biofuel technologies.
Reddy et al. (2025) studied this question.