Article | REF: BR1130 V1

Acoustic housings of machines

Authors: Jean-Claude Pascal, Jing-Fang Li

Publication date: April 10, 2011

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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