Abstract

The pollutant dispersion, thermophoresis and Brownian movement impacts on nanofluid flow are investigated in this research. The nanomaterial is flowing over the expanding disc and rotatory cone. The disc is expanded outward from the centre while the cone is spinning based on the angular velocity. Energy equation is constructed by adopting the heat source and concentration equation contain the term of pollutant concentration. Similar constraints are introduced to develop the non-dimensional model of the governing equations. Runge-Kutta-Fehlberg 4th 5th order (RKF 45) scheme is introduced for the computations of the solutions. A comparative benchmark in limiting sense is developed for the validation of current outcomes. Numeric computations are plotted for physical quantities against dissimilar values of involved parameters. The Nusselt number is computed for both disk and cone cases. The radial skin friction at disc surface is improved by the stretching parameter and porous parameters while tangential skin friction at disc and cone shows decrease effect. The rate of thermal distribution in disc more compared to cone for distinct values of parameters. The outcomes of the present work substantial in areas such as cooling systems, environmental engineering, development of sophisticated lubrication system and rotating machinery optimization.