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3. Practical problems in casing design
The enclosures are generally modular, with a large number of removable panels ( 16 ) for technical reasons (maintenance, servicing). Leaks are inevitable with this type of assembly, and must be sealed (using high-performance seals, door steps, etc.). A hood design must take these into account, as they are responsible for performance losses in the mid- and high-frequency range. However, openings are unavoidable in enclosures for a variety of reasons:
maintenance (inspection hatch, door, etc.) ;
surveillance (glass) ;
operation (parts conveying, shaft passage, transmission...
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Practical problems in casing design
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Bibliography
Acoustic structures for enclosures
Standards and norms
- Acoustics – Guidelines for noise reduction using enclosures and cabins. - NF EN ISO 15667 - (2000)
- Acoustics – Determining the sound insulation of enclosures – Part 1: Measurements under laboratory conditions (for reporting purposes). - NF EN ISO 11546-1 - (2009)
- Acoustics – Determining the sound insulation of enclosures – Part 2: On-site measurements (for acceptance and verification purposes). - NF EN...
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