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Table 2 Effect of the unsteadiness parameter and a comparison of wall temperature gradient − g ′ (0) for different values of the Prandtl number

From: A spectral relaxation method for thermal dispersion and radiation effects in a nanofluid flow

P r

S

− g ′ ( 0 )

El-Aziz [12]

bvp4c

SRM

0.1

0.8

0.4517

0.45148717

0.45148717

1.0

1.6728

1.67284531

1.67284531

10

5.70503

5.70597574

5.70597574

0.1

1.2

0.5087

0.50850265

0.50850265

1.0

1.818

1.81800501

1.81800501

10

6.12067

6.12102434

6.12102434

0.1

2

0.604013

0.60351763

0.60351763

1.0

2.07841

2.07841323

2.07841323

10

6.88506

6.88615127

6.88615127