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Summary of UTAC
services and facilities

  Acoustics laboratory

  The UTAC Vibroacoustics Laboratory brings an effective response to problems regarding qualification and processing of noise and vibration nuisance. It offers numerous services adapted to the transport, industry and building requirements:
Theses services cover Approval testing, research and studies for development.


Expertise : Equipment qualification, experimental diagnosis, studies

Assistant for development : Research and studying, elaboration and analysing of specification, facilities and measuring equipment rental.

Services :
Acoustic :
Measurement and analysis of interior and exterior noise,
Portable measurement in vehicle,
Characterisation of acoustic sources, using masking technics,
Measurement of sound power, sound absorption, acoustic attenuation and reverberation,
Measurement of rattle noise,
Vibration :
Equipement validation,
Order analysis,
Search for natural frequencies and FRF,
Vibration simulating,
Mechanical and climatic fatigue tests.

The UTAC vibroacoustics laboratory is equipped with sophisticated test apparatus :

>   Semi-anechoic chamber with useful volume of 2000 cubic meters (20 m ´ 10 m ´ 6 m), equipped with chassis dynamometer.
> Anechoic chamber (60 cubic meters) connected to reverberation chamber.
> Electrodynamics shakers for equipment vibratory qualification tests
> Test track complex
Outdoor noise measuring facilities including approval tracks (ISO 10844) and special tracks for evaluating acoustic and vibration comfort.
> LMS digital acquisition and processing systems for vibro-acoustic signals (24 channels)
> Muller BBM portable digital acquisition and processing systems for vibro-acoustic signals (16 channels)
> Others systems

 
 
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