Table 3 Experimental design.
Serial number | Load | Speed | Sliding distance |
|---|---|---|---|
1 | 10 | 100 | 1000 |
2 | 10 | 100 | 2000 |
3 | 10 | 100 | 3000 |
4 | 10 | 200 | 1000 |
5 | 10 | 200 | 2000 |
6 | 10 | 200 | 3000 |
7 | 10 | 300 | 1000 |
8 | 10 | 300 | 2000 |
9 | 10 | 300 | 3000 |
10 | 20 | 100 | 1000 |
11 | 20 | 100 | 2000 |
12 | 20 | 100 | 3000 |
13 | 20 | 200 | 1000 |
14 | 20 | 200 | 2000 |
15 | 20 | 200 | 3000 |
16 | 20 | 300 | 1000 |
17 | 20 | 300 | 2000 |
18 | 20 | 300 | 3000 |
19 | 30 | 100 | 1000 |
20 | 30 | 100 | 2000 |
21 | 30 | 100 | 3000 |
22 | 30 | 200 | 1000 |
23 | 30 | 200 | 2000 |
24 | 30 | 200 | 3000 |
25 | 30 | 300 | 1000 |
26 | 30 | 300 | 2000 |
27 | 30 | 300 | 3000 |