Table 3 Comparison of \(-f^{\prime\prime} (0)\) for different values of ε with, n = 1, β → ∞, Bi → ∞ and \(M=Gr=Gm=N=\delta =Ec={\lambda }_{1}={D}_{f}=Sr=\tau =R=0\).

From: Soret and Dufour effects on unsteady mixed convection slip flow of Casson fluid over a nonlinearly stretching sheet with convective boundary condition

−f′′(0)

ε

Mahapatra and Gupta36

Nazar et al.10

Hayat et al.6

Present results

0.1

0.9694

0.9694

0.96938

0.9694

0.2

0.9181

0.9181

0.9181

0.9181

0.5

0.6673

0.6673

0.66732

0.6673

1

—

0.0000

0.0000

0.0000

2

−2.0175

−2.0175

−2.01750

−2.0175

3

−4.7293

−4.7296

−4.72928

−4.7294

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