Open Access
Table 1
Measured (
) and simulated (
) overall sound pressure level at different operating points of the fan in RFS and RFL setup; MFS (¬MPP,…) and MFL (¬MPP,…) setup simulation without MPP.
 in m3s−1 |
Setup |  in dB |
 in dB |
|---|---|---|---|
| 0.8 | F, RFS | 88.8 | 65.7 |
| B, RFS | 85.8 | – | |
| 1.0 | F, RFS | 79.2 | – |
| B, RFS | 87.7 | – | |
| 1.2 | F, RFS | 74. | – |
| B, RFS | 92.4 | – | |
| 1.4 | F, RFS | 71.5 | – |
| B, RFS | 79.3 | – | |
| 1.9 | F, RFS | 70.1 | – |
| B, RFS | 69.1 | – | |
| – | MFS, ¬MPP, Lc,140 | – | 62.9 |
| – | MFS, ¬MPP, Lc,200 | – | 62.5 |
| 0.8 | F, RFL | 89.1 | 65.1 |
| B, RFL | 85.3 | – | |
| 1.0 | F, RFL | 78.7 | – |
| B, RFL | 87.3 | – | |
| 1.2 | F, RFL | 72.6 | – |
| B, RFL | 92.7 | – | |
| 1.4 | F, RFL | 71.5 | – |
| B, RFL | 79.8 | – | |
| 1.9 | F, RFL | 70.4 | – |
| B, RFL | 69.1 | – | |
| – | MFL, ¬MPP, Lc,140 | – | 63.2 |
| – | MFL, ¬MPP, Lc,200 | – | 62.8 |
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