Table 2 Skin friction (shear stress) for variation of several parameters.

From: An exact analysis of unsteady MHD free convection flow of some nanofluids with ramped wall velocity and ramped wall temperature accounting heat radiation and injection/consumption

\({\tau }\)

M

K

\({\phi }\)

Gr

Nr

\({{C}}_{{{f}}}\)

0.3

2.0

0.5

0.1

5.0

3.0

− 0.9710

0.6

− 1.4069

0.9

− 1.7779

0.6

1.0

− 1.2333

2.0

− 1.4069

3.0

− 1.5694

2.0

0.1

− 2.4755

0.5

− 1.4874

0.9

− 1.2570

0.5

0.00

− 0.8136

0.02

− 0.9255

0.04

− 1.0402

0.1

1.0

− 1.8882

3.0

− 1.6475

4.0

− 1.5272

5.0

1.0

− 1.4904

3.0

− 1.4069

5.0

− 1.3568

  1. The consecutive bold values of a parameter exhibit the variation in that parameter.