Table 3 Comparison of result \(f^{\prime}(0)\) and \(- \theta ^{\prime}(0)\) with Das et al. 3 for different value of \(\omega\) when \(k_{1} = k_{2} = \tfrac{a}{c} = 0,{\text{ and }}\Pr = 1.0.\)

From: Application of response surface methodology on the nanofluid flow over a rotating disk with autocatalytic chemical reaction and entropy generation optimization

M

\(\omega\)

\(f^{\prime}(0)\)

\(- \theta ^{\prime}(0)\)

Das et al. 3

Present result

Das et al. 3

Present result

0.0

0.0

 − 1.1737

 − 1.17399

0.8520

0.85207

 

1.0

 − 0.9483

 − 0.94856

0.8757

0.87571

 

2.0

 − 0.3263

 − 0.32642

0.9304

0.93040

 

5.0

3.1937

3.19371

1.1292

1.12916

2.0

0.0

 − 1.8305

 − 1.83048

0.7261

0.72610

 

1.0

 − 1.6635

 − 1.66343

0.7422

0.74230

 

2.0

 − 1.1754

 − 1.17533

0.7854

0.78540

 

5.0

1.8928

1.89296

0.9803

0.98036