• N. P. Dmitrenko Institute of Engineering Thermophysics of the National Academy of Sciences of Ukraine
Keywords: Bioconvection, nanofluid, porous media, bacteria


The main aspects of the bioconvection process in nanofluids and porous media are considered. The properties of different microorganisms are analyzed. A general mathematical model for the calculation of the heat exchange and hydrodynamics of the bioconvection process is given.



Wager H. On the effect of gravity upon the movements and aggregation of Euglena viridis, Ehbr., and other microorganisms. Phil. Trans. Roy. Soc. London. 1911. B. 201. P. 333-390.

Platt J.R. “Bioconvection patterns” in cultures of the swimming organisms. Science. 1961. V.133. P. 441-443.

Dolinskyu A.A., Avramenko A.A., Basok B.I., Kuznetsov A.V Biokonvektivnue effekty v procesah fermentatcii. [Bioconvective effects in fermentation processes], Promushlennaya teplotehnika.[Promyishlennaya teplotehnika]. 2005, V.27, №5. p.5 - 8. (Rus).

Dolinskyu A.A., Avramenko A.A., Basok B.I., Turinov A.I. Turbulentnaya bioconvectsiya. [Turbulent bioconvection]. Dopovidi natsionalnoi academii nauk Ukrainu. [Dopovidi natsional'noyi akadkmiyi nauk ukrayiny]. 2008, №1, p. 76-82. (Rus). D0%BA%D1%81%D0%B8%D1%81

Ghorai S., Hill N.A. Penetrative phototactic bioconvection. Physics of fluids. 2005. V.17, 074101.

Vincent R.V., Hill N.A. Bioconvection in a suspension of phototactic algae. J. Fluid Mech. 1997. V. 327. P. 343¬371.

Ghorai S., Hillz N.A. Axisymmetric Bioconvection in a cylinder. J. theor. Biol. 2002. V. 219. P. 137-152.

Kuznetsov A.V, Avramenko A.A. Effect of small particles on the stability of bioconvection in a suspension of gyrotactic microorganisms in a layer of finite depth. International Communications in Heat and Mass Transfer. 2004. 31, N 1. P. 1 - 10.

Hillesdon A.J., Pedley T.J.Bioconvection in suspensions of oxytactic bacteria: linear theory. J. Fluid Mech. 1996. V. 324. P. 223-259.

Hillesdon A.J., Pedley T.J., Kessler J.O. The development of concentration gradients in a suspension of chemotactic bacteria. Bull. Math. Biol. 1995. V. 57. P. 299-344.

Metcalfe M., PedleyTJ. Bacterial bioconvection: weakly nonlinear theory for pattern selection. J. Fluid Mech. 1998. V. 370 P. 249-270.

Metcalfe M., PedleyTJ. Falling plumes in bacterial bioconvection. J. Fluid Mech. 2001. V. 445. p. 121-149.

Avramenko A.A., Kuznetsov A.V. Bio-thermal convection caused by combined effects of swimming of oxytactic bacteria and inclined temperature gradient in a shallow fluid. International Journal of Numerical Methods for Heat & Fluid Flow. 2010. Vol. 20. No.2. P. 157-173.

Kuznetsov A.V. Investigation of the onset of thermobioconvection in a suspension of oxytactic microorganisms in a shallow fluid layer heated from below. Theoretical and Computational Fluid Dynamics. October 2005, Volume 19. Issue 4. P. 287-299.

Faiza N., Anum S., Lifeng Z., Anum N. MHD biconvective flow of Powell Eyring nanofluid over stretched surface. Aip Advances. 2017. V.7. 065013

Makinde O.D., Animasaun I.L. Thermophoresis and Brownian motion effects on MHD bioconvection of nanofluid with nonlinear thermal radiation and quartic chemical reaction past an upper horizontal surface of a paraboloid of revolution. Journal of Molecular Liquids. 2016. V.221. P. 733-743.

Naheed B, Sadia S. Sulaiman Z,lslam R., Hossain M.A., Gorla R.S. Numerical Solutions for Gyrotactic Bioconvection of Dusty Nanofuid along a Vertical Isothermal Surface. International Journal of Heat and Mass Transfer. 2017. V. 113, P. 229-236.

Naheed B., Sadia S., Hossain M.A. Influence of Variable Thermophysical Properties on Nanofluid Bioconvection along a Vertical Isothermal Cone. International Journal of Heat and Mass Transfer Volume. 2016. № 552. - P. 229-236.

Kuznetsov, A.V. The onset of nanofluid bioconvection in a suspension containing both nanoparticles and gyrotactic microorganisms. Int. Commun. Heat Mass Transfer. 2010. V. 37. - P. 1421-1425.

Kuznetsov A.V. Nanofluid bioconvection in water- based suspensions containing nanoparticles and oxytactic microorganisms: oscillatory instability. Nanoscale Research Letters December. 2011. 6 - 100.

Kuznetsov A.V. Non-oscillatory and oscillatory nanofluid bio-thermal convection in a horizontal layer of finite depth. Eur. J. Mech. B.Fluids. 2011. V. 30. P. 156-165.

Kuznetsov A.V., Avramenko A.A. Effect of Fouling on Stability of Bioconvection of Gyrotactic Microorganisms in a Porous Medium. Journal of Porous Media. 2005. V. 8. P. 45 - 53.

KuznetsovA.V., The onset of thermo-bioconvection in a shallow fluid saturated porous layer heated from below in a suspension of oxytactic microorganisms. Eur. J. Mech. B. Fluids. 2006. V.25. P. 223-233.

Avramenko A.A., Kuznetsov A.V. The Onset of Convection in a Suspension of Gyrotactic Microorganisms in Superimposed Fluid and Porous Layers: Effect of Vertical Throughflow. Transport in Porous Media. 2006. V. 65, P. 159-176.

KuznetsovA.V., NieldD.A. The Cheng-Minkowycz problem for natural convective boundary layer flow in a porous medium saturated by a nanofluid: A revised model. International Journal of Heat and Mass Transfer. 2013. V. 65. P. 682-685.

Kambiz Vafai Porous media Handbook of Edited by 2005 by Taylor & Francis Group, LLC CRC Press, p. 742.

Mahdy A. Gyrotactic Microorganisms Mixed Convection Nanofluid Flow along an Isothermal Vertical Wedge in Porous Media. International Journal of Mechanical, Aerospace, Industrial, Mechatronic and Manufacturing Engineering. 2017. V.11, No.4. 2017 P. 829-839.

Mahdy A. Free Convection Flow Over a Vertical Flat Plate in Nanofluid Porous Media Containing Gyrotactic Microorganisms with Prescribed Density Motile Microorganisms Flux. Thammasat International Journal of Science and Technology. 2017. Vol.22, No.2. P. 91-105.

Mahdy A., Sameh E. Ahmed. Laminar Free Convection Over a Vertical Wavy Surface Embedded in a Porous Medium Saturated with a Nanofluid. Transport in Porous Media. 2012, V. 91, Issue 2, P. 423-435

Anvar Beg O., Prasad V.R., Vasu B. Numerical study of mixed bioconvection in porous media saturated with nanofluid containing oxitactic microorganisms. Journal of Mechanics in Medicine and Biology. 2013. V.13, Issue 04, P. 1350067-1 - 1350067-25.

Nield D.A., Bejan A. Convection in porous media. NY: Springer-Verlag, 1999.

Abstract views: 364
PDF Downloads: 231
How to Cite
Dmitrenko, N. (2017). MAIN ASPECTS OF THE PROCESS OF BIOCONVECTION IN NANOFLUIDS AND POROUS MEDIA. Thermophysics and Thermal Power Engineering, 39(5), 19-25.
Heat and Mass Exchange Processes