MHD Natural Convection Flow of Casson Nanofluid over Nonlinearly Stretching Sheet Through Porous Medium with Chemical Reaction and Thermal Radiation

Table 2 Comparison of skin friction coefficient when β → ∞, Bi ₁ → ∞, Bi ₂ → ∞, Pr = 6.8, and M = K = Gr = Gm = δ = R _d = Le = N _t = N _b = R = 0

\( -\left(1+\frac{1}{\beta}\right){f}^{{\prime\prime} }(0) \)
n	Cortell [11]	Pal et al. [20]	Present results
0.0	0.6276	0.6275	0.6276
0.2	0.7668	0.7668	0.7668
0.5	0.8895	0.8895	0.8896
1	1.0000	1.0000	1.0000
3	1.1486	1.1486	1.1486
10	1.2349	1.2348	1.2349
20	1.2574	1.2574	1.2574