Midlands Branch

Acoustic Metamaterials for Low Frequency Industrial Applications - presented by Daniel Elford, Sonobex Limited, Building Research Establishment Thursday 8 June 2017 at 6pm for 6.30pm start WSP l Parsons Brinckerhoff, One Queens Drive, Birmingham, B5 4PJ

 

Midlands Branch Evening Meeting
Acoustic Metamaterials for Low Frequency Industrial Applications
Daniel Elford, Sonobex Limited, Building Research Establishment
Thursday 8 June 2017- 18:00 for an 18:30 Start
WSP | Parsons Brinckerhoff, Birmingham, One Queens Drive, Birmingham B5 4PJ

 

This presentation focuses on the development of practical acoustic metamaterials for the reduction of low frequency industrial noise.

High noise levels generated by industrial machinery can cause major environmental problems and stakeholders are looking for novel solutions. Particular examples include the low frequency “hum” emitted by power transformers, gas/steam turbines and compressors.

Sonobex have developed the first commercially available acoustic metamaterial-based technologies; extended from our understanding of Phononic Crystals. The noise control solutions that we provide are targeted towards the attenuation of key tonal frequencies and more specifically in the difficult to treat low frequency regime (34dB @ 100Hz, α = 0.91).

Acoustic Metamaterials hold great potential for blocking noise propagation in certain frequency ranges by tuning the material's design and making use of internal periodic structures and localised tuned resonators to create bands in which limited wave propagation occurs.

By tuning the periodic structures and resonant dampers to the specific frequency ranges of troublesome noise sources; optimised noise abatement can be obtained. This enables greater levels of noise reduction than are achieved through the use of more common abatement processes such as those based upon mass law or porous absorbers.

For this meeting it is essential to pre-book so the security staff can let you in. If you plan to attend please could you email Chris.Bradley@WSPGroup.com so that we have an idea of numbers.  Attendance is free, everyone welcome. CPD certificates are provided. As is traditional for IOA Midlands Branch meetings those attending are cordially invited for a meal at a suitable restaurant after the meeting.

Future Events

Date

Topic

Speaker

Venue

20 July

Part E Presentation

Peter Turner

Walsall Campus

August

Positive Sound and Health

Ben Fenech & Dan Pope

TBC

 

 

 

 

 

Watch the IOA website www.ioa.org.uk for further information about all Midlands Branch activities.

08 June 2017   to  
WSP / Parsons Brinckerhoff
One Queens Drive
Birmingham, B5 4PJ
United Kingdom

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