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Table 1 Comparison of the result for Nusselt number −θ (0) when Nd = Le = Ld =  α = λ = 0, Bi = 1 , R = 1 , θ w  = 1, M = 1.5 ,  Nc = 0.1, Ln = 0, Nb = Nt → ∞

From: Effect of nonlinear thermal radiation on double-diffusive mixed convection boundary layer flow of viscoelastic nanofluid over a stretching sheet

Pr

Khan and Pop (2010)

Wang (1989)

Gorla and Sidawi (1994)

Goyal, and Bhargava (2014)

Present result (RKF-45 method)

0.7

0.4539

0.4539

0.5349

0.4539

0.46257

2

0.9113

0.9114

0.9114

0.9113

0.91135

7

1.8954

1.8954

1.8905

1.8954

1.89539

20

3.3539

3.3539

3.3539

3.3539

3.35387

70

6.4621

6.4622

6.4622

6.4621

6.46209