Rotary Heat Exchanger - Noise Attenuation
Sound attenuation in rotating heat exchangers
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Noise attenuation in a rotary heat exchangers are indicated in the table below:
| Frequency (Hz) |
63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
| Attenuation (dB) |
2 | 2 | 3 | 4 | 5 | 7 | 8 | 9 |
Note that larger inlet or outlet chambers should be calculated separate.
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