Table 2 Experimental ventilation fan frequency combination scheme (Hz).
Fan combinations | Fan number | Experiment number | |||||
|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | … | 20 | ||
Dual-supply zero-exhaust | 1# | 6.0 | 6.9 | 7.5 | 8.4 | … | 25.2 |
2# | 7.8 | 8.8 | 9.8 | 10.8 | … | 26.8 | |
Dual-supply left-side exhaust | 1# | 7.4 | 7.4 | 7.4 | 7.4 | … | 7.4 |
2# | 7.8 | 7.8 | 7.8 | 7.8 | … | 7.8 | |
4# | 6.5 | 7.5 | 8.5 | 9.5 | … | 25.5 | |
Dual-supply right-side exhaust | 1# | 7.4 | 7.4 | 7.4 | 7.4 | … | 7.4 |
2# | 7.8 | 7.8 | 7.8 | 7.8 | … | 7.8 | |
3# | 6.5 | 7.5 | 8.5 | 9.5 | … | 25.5 | |
Dual-supply dual-exhaust | 1# | 7.4 | 7.4 | 7.4 | 7.4 | … | 7.4 |
2# | 7.8 | 7.8 | 7.8 | 7.8 | … | 7.8 | |
3# | 6.5 | 7.5 | 8.5 | 9.5 | … | 25.5 | |
4# | 6.5 | 7.5 | 8.5 | 9.5 | … | 25.5 | |