Table 9 Table of orthogonal experiments.

From: Study on the foam production characteristics of air self-suction foam generator by jet

Number

\({m}\)

\({\ell}\)/cm

\({n}\)

\(\varphi\)

\(\mu\)/cm

1

1

2

1

2

2

2

1

3

2

3

3

3

2

2

1

3

3

4

2

3

2

1

1

5

3

1

1

1

3

6

3

2

2

2

1

7

1

1

2

3

2

8

1

3

1

2

1

9

2

1

1

3

1

10

2

2

2

1

2

11

3

1

2

2

3

12

3

3

1

1

2