The transient mixed convection boundary layer analysis of incompressible flow over an isothermal vertical cylinder is embedded in a saturated porous medium in the vicinity for Gyrotactic microorganism effects. The mathematical model used for the bioconvective nanofluid incorporates the effects of Brownian motion, thermophoresis, and gyrotactic microorganisms. Moreover, the resulting governing nonsimilarity equations are changed into partial differential equations and solved numerically. The results are explained graphically for various physical parameters. It is determined that bioconvection parameter boosts the heat transfer rates and the thickness of the motile microorganism reduces the mass transfer rates. Expanding bioconvection Lewis number leads to decrease in heat transfer rates and the density of the motile microorganism, whereas the mass transfer rates decelerate the flow field. The investigation is pertinent to the nanobiopolymer manufacturing processes.
Gyrotactic Microorganism Effects on Mixed Convective Nanofluid Flow Past a Vertical Cylinder
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS. Manuscript received January 23, 2019; final manuscript received June 27, 2019; published online July 22, 2019. Assoc. Editor: Ali J. Chamkha.
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Sudhagar, P., Kameswaran, P. K., and Kumar, B. R. (July 22, 2019). "Gyrotactic Microorganism Effects on Mixed Convective Nanofluid Flow Past a Vertical Cylinder." ASME. J. Thermal Sci. Eng. Appl. August 2019; 11(4): 041018. https://doi.org/10.1115/1.4044185
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