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Free convection boundary layer flow past a horizontal flat plate embedded in porous medium filled by nanofluid containing gyrotactic microorganisms
Ist Teil von
International journal of thermal sciences, 2012-06, Vol.56, p.48-57
Ort / Verlag
Kidlington: Elsevier Masson SAS
Erscheinungsjahr
2012
Link zum Volltext
Quelle
Elsevier ScienceDirect Journals Complete
Beschreibungen/Notizen
The steady boundary layer free convection flow past a horizontal flat plate embedded in a porous medium filled by a water-based nanofluid containing gyrotactic microorganisms is investigated. The Oberbeck-Boussinesq approximation is assumed in the analysis. The effects of bioconvection parameters on the dimensionless velocity, temperature, nanoparticle concentration and density of motile microorganisms as well as on the local Nusselt, Sherwood and motile microorganism numbers are investigated and presented graphically. In the absence of bioconvection, the results are compared with the existing data in the open literature and found to be in good agreement. The bioconvection parameters strongly influence the heat, mass, and motile microorganism transport rates.
► Free convection on a horizontal plate. ► Porous medium saturated with nanofluid containing gyrotactic microorganisms. ► Numerical solutions for velocity, temperature, nanoparticle concentration and motile microorganisms density. ► Graphs for local Nusselt, Sherwood and motile microorganism numbers. ► Effects of bioconvection and buoyancy parameters.