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Mathematical modeling for experimental data to investigate the convective heat transfer in non‐Newtonian nanofluid's flow over a thin needle by Mohsan Hassan; Muhammad Rizwan is a Engineering article available to read on EtoBox.

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The flow of homogeneous non-Newtonian nanofluid over a horizontal moving thin needle is studied through experimental data-based mathematical approach. Experimental data is collected for nanofluids which are prepared by spreading the SiO 2 , MgO, and TiO 2 nanoparticles with correspondingly diameters (20-30 nm, 60-70 nm), (20, 40 nm), and (30, 50 nm) at volume fractions (5%-20%) in ethylene glycol (EG). The rheological power-law model of viscosity is employed on the current experimental data to govern the co-relation expression and is further used in heat and mass flow equations. The problem is reduced to ordinary differential equations by employing similarity conversion and then numerically solved. The influence of various volume fractions and diameter of nanoparticles on the distribution of velocity and temperature are discussed through the graphical results. Moreover, velocity and thermal boundary layer thicknesses, momentum and displacement thickness, skin friction coefficient, and Nusselt number are also studied in detail and displayed graphically. The results indicate that enhancing nanoparticle volume fraction causes the decline in velocity profile and rise in temperature pro

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Author

Mohsan Hassan; Muhammad Rizwan

Publisher

Wiley

Published

2023

Language

EN

Field

Engineering (Physical Sciences)