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Scientific Article

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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