Table 2 Experimental design based on Taguchi’s method
From: Characteristics of reducing local scour around cylindrical pier using a horn-shaped collar
No. | Factors | ||
|---|---|---|---|
W/D | h/D | n | |
1 | 1 | 1 | 1 |
2 | 1 | 2 | 2 |
3 | 1 | 3 | 3 |
4 | 1 | 4 | 4 |
5 | 1 | 5 | 5 |
6 | 2 | 1 | 2 |
7 | 2 | 2 | 3 |
8 | 2 | 3 | 4 |
9 | 2 | 4 | 5 |
10 | 2 | 5 | 1 |
11 | 3 | 1 | 3 |
12 | 3 | 2 | 4 |
13 | 3 | 3 | 5 |
14 | 3 | 4 | 1 |
15 | 3 | 5 | 2 |
16 | 4 | 1 | 4 |
17 | 4 | 2 | 5 |
18 | 4 | 3 | 1 |
19 | 4 | 4 | 2 |
20 | 4 | 5 | 3 |
21 | 5 | 1 | 5 |
22 | 5 | 2 | 1 |
23 | 5 | 3 | 2 |
24 | 5 | 4 | 3 |
25 | 5 | 5 | 4 |
26 | Without collar | ||