“…In recent years, the study of non-Newtonian fluids is of great attention for scientists (Abo-Eldahab and Salem, 2005;Asghar et al, 2007;ElKabeir et al, 2008;Eldabe et al, 2012;Ezzat, 2010;Gaffar et al, 2015;Hameed and Nadeem, 2007;Hsiao et al, 2014;Jayachandra Babu and Sandeep, 2016;Rashidi et al, 2016;Rundora and Makinde, 2015;Si et al, 2016;Turkyilmazoglu, 2012;Umamaheswar et al, 2016) Williamson (1929) in his pioneer research of Pseudo-plastic materials flow. He explained the flow of pseudo-plastic fluids by developing a model equation and verified this hypothesis with experiment.…”