| 1 | Mixed convection in gravity-driven nano-liquid film containing both nanoparticles and gyrotactic microorganisms显示文摘Analysis of a gravity-induced film flow of a fluid containing both nanoparticles and gyrotactic microorganisms along a convectively heated vertical surface is presented.The Buongiorno model is applied. Two kinds of boundary conditions, the passive and the active boundary conditions, are considered to investigate this film flow phenomenon.Through a set of similarity variables, the ordinary differential equations that describe the conservation of the momentum, the thermal energy, the nanoparticles, and the microorganisms are derived and then solved numerically by an efficient finite difference technique.The effects of various physical parameters on the profiles of momentum, thermal energy,nanoparticles, microorganisms, local skin friction, local Nusselt number, local wall mass flux, and local wall motile microorganisms flux are investigated. It is expected that the passively controlled nanofluid model can be much more easily achieved and applied in real circumstances than the actively controlled model. | A.RAEES Hang XU Qiang SUN I.POP | 2015 | Applied Mathematics and Mechanics(English Edition)2015，36，2： | 2 |
| 2 | Three-dimensional free bio-convection of nanofluid near stagnation point on general curved isothermal surface显示文摘In this paper,the three-dimensional nanofluid bio-convection near a stagnation attachment is studied.With a set of similarity variables,the governing equations embodying the conservation of total mass,momentum,thermal energy,nanoparticles and microorganisms are reduced to a set of fully coupled nonlinear differential equations.The homotopy analysis method(HAM)-finite difference method(FDM)technique is used to obtain exact solutions.The effect of various physical parameters on distribution of the motile microorganisms and the important physical quantities of practical interests are presented and discussed. | Qingkai ZHAO Hang XU Longbin TAO A.RAEES Qiang SUN | 2016 | Applied Mathematics and Mechanics(English Edition)2016，37，4： | 0 |
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