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Bioconvective chemically reactive entropy optimized Cross-nano-material conveying oxytactic microorganisms over a flexible cylinder with Lorentz force and Arrhenius kinetics

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  • Ali, Asgar
  • Sarkar, Soumitra
  • Das, Sanatan

Abstract

In this research study, an entropy assessment in the bioconvective Darcy–Forchheimer (DF) stream of MHD Cross nanofluid carrying oxytactic microbes past a flexible cylinder with velocity slip, Arrhenius kinetics, and chemical reaction is predicted. The Buongiorno model is used to expose random movement and thermophoresis phenomena. The simulated model equations are transmuted to coupled highly nonlinear ODEs by employing a suitable similarity transition and boundary-layer approximation. The resultant ODEs are tackled numerically using the RKF45 with the shooting approach via NDSolve in Mathematica software with specific ranges of parameters like 0.1≤We,λ,Gt,Gc,Rb,Ω,Ec≤0.4, 0.1≤M2,E,Pe≤2, 0.01≤γ≤0.2, π/5≤α≤π/2, 0.1≤S1,S2,S3,Kp≤0.7, 0≤Fr≤3, 0.01≤Nt,Nb≤0.4, 0≤K≤0.9, 0.1≤Lb,Sc≤0.5 and 0.2≤Pr≤3. The outcomes show that the velocity field slows down due to an elevation in the porosity parameter and Forchheimer number. The thermal, solutal and microbial profiles decline due to their respective stratification parameters. Furthermore, activation energy encourages the Sherwood number, but it is dropped significantly as the chemical reaction progresses. It is also worth noting that the porosity parameter and Forchheimer number promote entropy production rate, while an opposing attribute is assessed for higher activation energy.

Suggested Citation

  • Ali, Asgar & Sarkar, Soumitra & Das, Sanatan, 2023. "Bioconvective chemically reactive entropy optimized Cross-nano-material conveying oxytactic microorganisms over a flexible cylinder with Lorentz force and Arrhenius kinetics," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 205(C), pages 1029-1051.
    • Handle: RePEc:eee:matcom:v:205:y:2023:i:c:p:1029-1051
    DOI: 10.1016/j.matcom.2022.11.002
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    References listed on IDEAS

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    1. Kalpana, G. & Madhura, K.R. & Kudenatti, Ramesh B., 2022. "Numerical study on the combined effects of Brownian motion and thermophoresis on an unsteady magnetohydrodynamics nanofluid boundary layer flow," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 200(C), pages 78-96.
    2. Chu, Yu-Ming & Shankaralingappa, B.M. & Gireesha, B.J. & Alzahrani, Faris & Khan, M. Ijaz & Khan, Sami Ullah, 2022. "Combined impact of Cattaneo-Christov double diffusion and radiative heat flux on bio-convective flow of Maxwell liquid configured by a stretched nano-material surface," Applied Mathematics and Computation, Elsevier, vol. 419(C).
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    Cited by:

    1. Alsaedi, A. & Khan, Sohail A. & Hayat, T., 2023. "Mixed convective entropy optimized flow of rheological nanoliquid subject to Cattaneo-Christov fluxes: An application to solar energy," Energy, Elsevier, vol. 278(PA).
    2. Alsaedi, A. & Khan, Sohail A. & Hayat, T., 2023. "A model development for thermal and solutal transport analysis in radiating entropy optimized and magnetized flow of nanomaterial by convectively heated stretched surface," Chaos, Solitons & Fractals, Elsevier, vol. 171(C).

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