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VDI 2081 Blatt 2 - Draft Air-conditioning - Noise generation and noise reduction - Examples

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German title
Raumlufttechnik - Geräuscherzeugung und Lärmminderung - Beispiele
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Engl. VDI-Gesellschaft Bauen und Gebäudetechnik
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The acoustic effects in ventilating and air-conditioning installations include noise generation by components, flow noise, sound transmission by fluid-, structure- and airborne sound. Noise reduction measures become necessary, e.g., for noise control at the workplace, and for the control of noise exposure in the neighbourhood. In addition to noise attenuation by the installation proper silencers and sound-insulating envelopes are often used as secondary measures. This standard supports the application of VDI 2081 Part 1 by offering examples. It gives consideration to current space-conditioning systems as described in VDI 3804. All calculation steps required in an air-supply duct system are given in tabulated form, including explanatory information on each duct section. The standard is issued together with a data medium carrying a spreadsheet-based calculation macro and case studies. The standard is only applicable in conjunction with VDI 2081 Part 1.

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