Numerical solution of bio-nano-convection transport from a horizontal plate with blowing and multiple slip effects

• Main Authors: Uddin, Md. Jashim, Kabir, M. Nomani, Alginahi, Yasser M., Bég, O Anwar
• Format: Article
• Language: English; English
• Published: SAGE Publications Ltd 2019
• Subjects: QA76 Computer software
• Online Access: http://umpir.ump.edu.my/id/eprint/25827/2/Numerical%20solution%20of%20bio-nanoconvection%20transport%20from%20a%20horizontal.pdf; http://umpir.ump.edu.my/id/eprint/25827/8/Numerical%20solution%20of%20bio-nano-convection%20transport%20from%20a%20horizontal%20plate%20with%20blowing.pdf; http://umpir.ump.edu.my/id/eprint/25827/; https://doi.org/10.1177/0954406219867985; https://doi.org/10.1177/0954406219867985
• Institution: Universiti Malaysia Pahang

In this paper, a new bio-nano-transport model is presented. The effects of first- and second-order velocity slips, thermal slip, mass slip, and gyro-tactic (torque-responsive) microorganism slip of bioconvective nanofluid flow from a moving plate under blowing phenomenon are numerically examined. The flow model is expressed by partial differential equations which are converted to a similar boundary value problem by similarity transformations. The boundary value problem is converted to a system of nonlinear equations which are then solved by a Matlab nonlinear equation solver fsolve integrated with a Matlab ODE solver ode15s. The effects of selected control parameters (first order slip, second order slip, thermal slip, microorganism slip, blowing, nanofluid parameters) on the non-dimensional velocity, temperature, nanoparticle volume fraction, density of motile micro-organism, skin friction coefficient, heat transfer rate, mass flux of nanoparticles and mass flux of microorganisms are analyzed. Our analysis reveals that a higher blowing parameter enhances micro-organism propulsion, flow velocity and nano-particle concentration, and increases the associated boundary layer thicknesses. A higher wall slip parameter enhances mass transfer and accelerates the flow. The MATLAB computations have been rigorously validated with the second-order accurate finite difference Nakamura tri-diagonal method. The current study is relevant to microbial fuel cell technologies which combine nanofluid transport, bioconvection phenomena and furthermore can be applied in nano-biomaterials sheet processing systems.