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Rheology of the Cu-H2O nanofluid in porous channel with heat transfer: Multiple solutions
Institution:1. School of Quantitative Sciences, Universiti Utara Malaysia, 06010 Sintok, Kedah, Malaysia;2. COMSATS Institute of Information Technology, Attock 43600, Punjab, Pakistan;1. Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;2. Dipartimento di Ingegneria Astronautica, Elettrica ed Energetica, Facoltà di Ingegneria, Sapienza Università di Roma, Via Eudossiana, 18-00184 Rome, Italy;3. CORIA-UMR 6614, Normandie University, CNRS-University & INSA of Rouen, 76000 Rouen, France;1. Department of Electrical, Biomedical and Mechatronics Engineering, Qazvin Branch, Islamic Azad University, Qazvin, Iran;2. Department of Electrical Engineering, Sharif University of Technology, Azadi Ave., Tehran, Iran;1. Institute of Theoretical Physics and Astronomy, Vilnius University, Saulėtekio 3, Vilnius LT-10222, Lithuania;2. Research Institute for Applied Physics, University of Tabriz, Tabriz, Iran
Abstract:Dynamics of nanofluid comprising a base fluid (water) with copper (Cu) nanoparticles have been considered in channel with porous walls under magnetic field influence. The channel walls are considered to be permeable in order to analyze the wall mass transfer phenomenon. Relevant mathematical modelling has been performed and the derived PDEs are converted into coupled nonlinear ODEs by using suitable transformations. Computations have been made numerically by employing the shooting technique. It is noted that multiple solutions occur for the variation of suction Reynolds number, solid volume fraction and magnetic parameters which are interpreted in detail.
Keywords:Porous channel  Two-phase model  Multiple solutions
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