Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!
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Noise attenuation in rotary heat exchangers:
| 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.
Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!
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