Skoda Auto Acoustic Centre
Czech Republic |
• Replacement of old semi-anechoic chamber built in 1992
• Two IAC Vehicle Semi Anechoic Chambers (VSAC’s)
• One 4x4 Hemi-Anechoic chamber
• One 4x2 Hem-Anechoic chamber
• Complete "room in room" construction
• IAC Metadyne LF Wedges
• IAC Acoustic Doors
• IAC Quiet-Flow ventilation and lighting systems
• Modal analysis room has a floating floor and equipped with the IAC Varitone Panels
• Component test lab equipped with the IAC Varitone Panels, used for noise tests of wipers, doors, windows, etc
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Bajaj Auto Acoustic Centre
Pune, India |
• Bajaj Auto Acoustic Centre built in 2010
• Full facility design, stand alone new building and IAC Pass-By Hemi-Anechoic Chamber
• IAC Metadyne LF Wedges
• IAC Acoustic Doors
• Unique IAC curved Roof design
• IAC Quiet-Flow ventilation and lighting systems
• 4x2 Chassis Dynamometer
• Facility built to carry out motorcycle and passenger car NVH testing including road simulation tests, cabin noise, engine compartment, intake and exhaust noise, vibration measurements, powertrain mounting system tests and tyre noise tests
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Maruti Suzuki Acoustic Centre
Delhi, India |
• Maruti Suzuki Acoustic Centre built in 2010
• Full facility design, stand alone new building and IAC (VSAC) Hemi-Anechoic chamber
• IAC Metadyne LF Wedges
• IAC Acoustic Doors
• IAC Quiet-Flow ventilation and lighting systems
• 4x4 Chassis Dynamometer
• Facility built to carry out passenger car NVH testing including road simulation tests, cabin noise, engine compartment, intake and exhaust noise, vibration measurements, powertrain mounting system tests and tyre noise tests
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Ricardo – Automotive - Test house
Shoreham, UK |
• Conversion of foam-lined full Anechoic Chamber to semi-anechoic with Metadyne™ wedges
• 100Hz cut-off frequency
• Solid floor
• Palletised engine installation
• Downtime reduced from 7 days to 1
• Acoustic performance maintained
• Bright, easy-maintenance working environment |
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FG Wilson – ‘Engineering Centre of Excellence’ - for Caterpillar Group
Larne, Northern Ireland |
• Turnkey design and build – 12 months
• For diesel and gas generators R&D
• Fully calibrated, 20m-diameter ISO 3745 Hemi-Anechoic Chamber 25Hz
cut-off
• LF Metadyne™ acoustic metal wedges
• 275 cubic metre ISO 3741 Reverberation Chamber 100Hz cut-off
• Engine test cell
• Plant and control rooms
• Full HVAC system: AHUs, louvres and silencers
• Largest ‘basket’ doors ever manufactured
• Aesthetic curved roof reduced construction costs
• Grand Opening attended by the UK’s Minister of State for Enterprise |
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Ford – Automotive R&D
You Yangs, Melbourne, Australia |
• Turnkey design and build
• ISO 3745 Anechoic Chamber 50Hz cut-off
• Metadyne™ LF wedges
• 17.1m x 13.5m x 5.5m high
• Curved hemi-anechoic roof
• Background 20dB(A)
• Temperature control 24+/-1 degrees C
Dynamometer
• 4WD, 250km/hr
• 72” rolls; 12,000 N (21,00
0 N)
• 48dB(A) at 100 km/hr |
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Applus+ IDIADA – Automotive - test house
Barcelona, Catalonia, Spain |
• Turnkey design and build
• ISO 3745 Anechoic Chamber 50Hz cut-off
• Metadyne™ LF Wedges
• Curved hemi-anechoic roof
• Background 22dB(A)
• Temperature control 24+/-1 degrees C
• Reversible ventilation flow
Dynamometer
• 2WD – 2 motors
• 72” rolls |
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York International - part of Johnson Controls - Air conditioning and Refrigeration
Basildon, Essex |
• Turnkey design and build
• Hemi-Anechoic Chamber 50Hz cut-off
• 17m x 14m x 7m high
• Metadyne™ metal-faced anechoic wedges with humidity-resistant infill
• Control of humidity to within 5%; air flow; and temperature 0-50 degrees C
• Track and trolley equipment conveyance device
• For measuring acoustic and thermal performance of equipment up to 750kw |
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Tennex Europe – Automotive component R&D
Salisbury, UK |
Turnkey design and build
• ISO 3745 Semi-Anechoic ‘White Noise’ Test Room – 125Hz cut-off
– for testing uninstalled components
– ambient noise level NR20
• ISO 3745 VSAC Semi-Anechoic Test Room – 100Hz cut-off
- for testing vehicle-installed components
- ambient noise level <35dB
• Among quietest Test Rooms in the world
• 2-wheel drive acoustic chassis dynamometer
• All M&E; lighting; fire suppression; vehicle exhaust and gas detection systems. |
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Jaguar Cars – Automotive R&D – Airbag Test Facility
UK |
• 14m x 11m x 5m acoustic test facility
• Housed within component testing building
• Protects workers from 140dB(A) air bag firing noise
• For filming and measurement of air bag performance
• Adjacent control room
- acoustic windows
- 3msq sliding acoustic door
- Varitone™ sound-absorptive wall panels
• Access walkways
• Ventilation silencers |
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Porsche – Automotive R&D
Weissach, Germany |
• Vehicle Fully-Anechoic Chamber upgrade
- New fibreglass wedges
- Grate floor
- Basket doors
- Ventilation inlets
• Engine testing Anechoic Chamber upgrade
- Replacement of fibreglass with Metadyne™ metal-faced wedges
- Octagonal configuration
- Grate floor
- Basket doors
- Ventilation inlets |
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Volvo Car – Automotive R&D
Gothenburg, Sweden |
• 30 year-old Hemi-Anechoic CD1 Chamber upgrade
• Removal of degraded mineral wool cubes
• Replacement with Metadyne™ metal-faced wedges
• Accent colour to create attractive corporate statement
• Enhanced acoustic performance
• 12 weeks to complete |
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Jaguar Cars – Automotive R&D
Turnkey VSAC Test Centre, UK |
• Turnkey design and build
• ISO 3745 Vehicle Semi-Anechoic Chamber – 60Hz cut-off
• 17m x 13.5m x 5.5m Chamber calibrated down to 60Hz cut-off
• Metadyne™ perforated, metal-faced wedges
• Full M&E
• Ventilation and vehicle exhaust systems
• Full project management
- site analysis, to construction, commissioning and final site landscaping
• 4-wheel drive chassis dynamometer
• Spacious control room with CCTV |
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Rover Group – Automotive R&D
Graydon Test Centre, Warwickshire, UK |
• For Land Rover
• Replaced damaged foam wedges at vent outlets
• Duct cleaning
• Rebuild
• Vehicle Semi-Anechoic Chamber – 100Hz cut-off
• 350sq m of Metadyne™ perforated, metal-faced wedges |
Graham Reason, Team Leader, Facilities (Vehicle Refinement):
 [Metadyne™ wedges] are a lot more durable that other types of wedges. I like the face that we could choose exactly the colours we wanted for the room – green and red -, something not possible with other wedges. They are also easy to clean so they should stay looking good.
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University College London – Research, Auditory Physiology
London, UK |
• Anechoic Test room – cut-off 500Hz
• ‘Ultra-quiet’
• Two complete box-shaped structures, one inside the other
• Both constructed from pre-fabricated 100mm steel Noishield® acoustic panels
• Structurally isolated inner ‘box’
• Lined with sage-green foam anechoic wedges
• Access via high-performance, Noiselock® acoustic door
• Loudspeakers (32) suspended in retractable circular boom around subject’s head
• Silenced ventilation system
• Temperature-controlled |
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Volvo Cars – Automotive R&D
Gothenburg, Sweden |
• Extensive consultation on sound, vibration and ventilation
• Acoustic equipment supply/installation for VSAC with 60Hz cut-off
• 19m x 13m and 5.3m high
• 700 Metadyne™ LF anechoic wedges
• Large vehicle access door and personnel door – both wedge basket doors
• Forced air cooling
• Four special corner vents
• Large ceiling anechoic air outlet duct
• Lighting system |
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Bergische University, Wuppertal – R&D acoustic test facility for manufacturer clients
Germany |
• New anechoic chamber <200Hz cut-off
• Within existing traditional brick-built construction
• Lined with BASOTEC Melamin sound absorbers
• Ability to recreate diverse sound environments within it
• Leading German centre for ‘noise elimination’ (ANC) research
• Automotive
• Infant incubators
• Valuable revenue earner |
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