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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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Related Topics
- Noise and Attenuation - Noise is usually defined as unwanted sound - noise, noise generation, silencers and attenuation in HVAC systems
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Related Documents
- Acoustic Calculation of Ventilation Systems - A procedure for acoustic noise calculation of ventilation systems
- Adding Decibels - The logarithmic decibel scale is convenient calculating sound power levels and sound pressure levels for two or more sound sources
- Blade Dampers and Noise Generation - Noise generated in blade dampers
- Ducts - Noise Generation - Air flow and noise generated in ducts
- Ducts - Noise Generation - Air flow and noise generated in ducts
