Table 4 Parameters and their levels.

From: Thermal enhancement of ternary hybrid Casson nanofluid in porous media: a sensitivity analysis study

Parameters

Coded symbols

Level

Low (-1)

Medium (0)

High (1)

\(\varpi\)

\(\vartheta _1\)

0.3

0.4

0.5

Nr

\(\vartheta _2\)

2

3

4

\(\phi\)

\(\vartheta _3\)

0.03

0.06

0.09