Table 6 Experimental scheme with coded values, actual values and response of \({Re}_{x}^{-1/2}{Sh}_{x}.\).

From: Statistical analysis for heat transfer optimization of magnetohydrodynamics trihybrid nanofluid over a convectively heated Riga surface

Runs

Coded variables

Real parameters

Response

 

\({\mathbb{A}}\)

\({\mathbb{B}}\)

\({\mathbb{C}}\)

\({S}_{r}\)

\(\phi\)

\({E}_{A}\)

\({Re}_{x}^{-1/2}{Sh}_{x}\)

1

\(-1\)

\(-1\)

\(-1\)

0.1

1%

0.1

0.1534

2

\(-1\)

\(-1\)

1

0.1

1%

0.05

0.1692

3

\(-1\)

1

\(-1\)

0.1

2.5%

0.1

0.1803

3

1

\(-1\)

\(-1\)

0.5

5%

0.5

0.1793

4

\(-1\)

1

1

0.1

5%

0.5

0.1944

5

1

\(-1\)

1

0.5

1%

0.5

0.2050

6

1

1

\(-1\)

0.5

5%

0.1

0.1730

7

1

1

1

0.5

5%

0.5

0.1890

8

0

\(-1\)

\(-1\)

0.25

1%

0.1

0.1931

9

\(-1\)

0

\(-1\)

0.1

2.5%

0.1

0.1435

10

\(-1\)

\(-1\)

0

0.1

1%

0.25

0.1069

11

0

\(-1\)

\(-1\)

0.25

1%

0.1

0.0915

12

\(-1\)

0

0

0.1

2.5%

0.25

0.2087

13

0

\(-1\)

0

0.25

1%

0.25

0.2241

14

1

0

0

0.5

2.5%

0.25

0.2315

15–20

0

1

0

0.25

5%

0.25

0.1534