Document Type: Research Paper

Authors

1 Mechanical Engineering Department, University of Skikda, El Hadaiek Road, B. O. 26, 21000 Skikda, Algeria

2 physical Engineering Department, University of Skikda, El Hadaiek Road, B. O. 26, 21000 Skikda, Algeria.

3 Electrical Engineering Department, University of Skikda, El Hadaiek Road, B. O. 26, 21000 Skikda, Algeria

4 Laboratory of Industrial Mechanics, Badji Mokhtar University of Annaba, B. O. 12, 23000 Sidi Amar Annaba,

Abstract

In this paper, the bioconvective nanofluid flow in a horizontal channel was considered. Using the appropriate similarity functions, the partial differential equations of the studied problem resulting from mathematical modeling are reduced to a set of non-linear differential equations. Thereafter, these equations are solved numerically using the fourth order Runge-Kutta method featuring shooting technique and analytically via the Adomian decomposition method (ADM). This study mainly focuses on the effects of several physical parameters such as  Reynolds number (Re), thermal parameter (𝛿𝜃), microorganisms density parameter (𝛿s) and nanoparticles concentration (𝛿f) on the velocity, temperature, nanoparticle volume fraction and density of motile microorganisms. It is also demonstrated that the analytical ADM results are in excellent agreement with the numerical solution and those reported in literature, thus justifying the robustness of the adopted Adomian Decomposition Method.

Graphical Abstract

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Main Subjects


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