Table 4 Range of independent factors and their levels to assess Nusselt number.

From: Numerical study of hydrothermal and mass aspects in MHD driven Sisko-nanofluid flow including optimization analysis using response surface method

Codes

Parameter

Levels

Low_(− 1)

Middle_(0)

High_(+ 1)

\(A\)

\(0.1 \le Rd \le 0.3\)

0.1

0.2

0.3

\(B\)

\(0.2 \le Nb \le 0.4\)

0.2

0.3

0.4

\(C\)

\(0.1 \le Nt \le 0.3\)

0.1

0.2

0.3