Table 3 Airflow in each branch before and after optimization.

From: Optimization of mine ventilation energy consumption based on improved dung beetle algorithm

Branch number

Optimized front air volume (m\(^3\)/s)

SCDBO (m\(^3\)/s)

DBO (m\(^3\)/s)

POA (m\(^3\)/s)

SSA (m\(^3\)/s)

1

107

85.60

85.60

86.01

85.64

2

72

59.18

57.81

58.10

56.73

3

35

26.42

27.79

27.91

28.91

4

35

26.42

27.79

27.91

28.91

5

9.6

8

8

8

8

6

62.4

51.18

49.81

50.10

48.73

7

9.6

8

8

8

8

8

19.5

21

21

21

21

9

25.4

21

21

21

21

10

17.5

9.18

7.81

8.10

6.73

11

35

26.42

27.79

27.91

28.91

12

29.1

29

29

29

29

13

25.4

21

21

21

21

14

17.5

9.18

7.81

8.10

6.73

15

107

85.60

85.60

86.01

85.64

16

107

85.60

85.60

86.01

85.64