Machine acoustics

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The Machine Acoustics is a branch of technical acoustics . It deals with the noises caused by machines and ways to reduce or specifically influence these noises.

Machine acoustics is concerned with the analysis and understanding of the physical processes that lead to the creation and transmission of technical noises. From this, concepts and measures for technical noise reduction and targeted noise control can be derived. Although there are also points of contact or overlap, machine acoustics are thus differentiated from other sub-areas of technical acoustics such as As the building acoustics and room acoustics , the flow acoustics , the electro-acoustic or ultrasonic acoustics from.

Furthermore, the machine acoustics endeavors to combat the disturbing noises as close as possible to the source and not to let them spread or emit in the first place. Therefore, aspects such as personal hearing protection (e.g. using ear plugs ), structural noise protection (e.g. using noise protection walls , noise protection windows or acoustic ceilings) or organizational noise protection (e.g. night driving , night flight or speed limits ) do not belong to machine acoustics .

theory

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Measures to reduce noise

research

  • Transfer path analysis
  • Structural intensity calculation
  • acoustic optimization

See also

literature

  • Franz Gustav Kollmann: machine acoustics . 2nd Edition. Springer-Verlag, 2000, ISBN 978-3-540-61344-2
  • Franz Gustav Kollmann, Thomas Franz Schösser, Roland Angert: Practical machine acoustics . Springer-Verlag, 2006, ISBN 978-3-540-20094-9
  • Werner Schirmer (Ed.): Technical noise protection . 2nd Edition. Springer-Verlag, 2006, ISBN 978-3-540-25507-9
  • Hermann Henn, Gholam Reza Sinambari, Manfred Fallen: Engineering acoustics - physical basics and application examples . 4th edition. Vieweg + Teubner, 2008, ISBN 978-3-8348-0255-2
  • David A. Bies, Colin H. Hansen: Engineering Noise Control - Theory and Practice . 4th edition. Spon Press, 2009, ISBN 978-0-415-48707-8
  • Gerhard Müller, Michael Möser (ed.): Pocket book of technical acoustics . 3. Edition. Springer-Verlag, 2004, ISBN 978-3-540-41242-7
  • Michael Möser: Technical acoustics . 8th edition. Springer-Verlag, 2009, ISBN 978-3-540-89817-7
  • Reinhard Lerch, Gerhard Sessler, Dietrich Wolf: Technical acoustics . Springer-Verlag, 2009, ISBN 978-3-540-23430-2
  • DIN EN ISO 11688-1: 2009 Acoustics - Guidelines for the construction of low-noise machines and devices - Part 1: Planning
  • VDI guideline 3720 low-noise construction (several sheets, is currently being revised)

Research institutions dealing with machine acoustics