NVH/Acoustic Test Facility for Heavy-Duty Trucks

AEARO Technologies (3M Company) - Indianapolis, IN

ACS designed and constructed a class 4 to class 8 heavy duty truck acoustic test facility. The lab included sound power, coefficient of absorption, sound transmission loss and sound intensity measurement capabilities. 

Key Performance Features:

  • Heavy-duty truck NVH chassis dynamometer
  • 906 cubic meter semi-anechoic room
  • 105 cubic meter hemi-anechoic room
  • 230 cubic meter reverberation room capable of 100Hz 1/3 octave sound absorption and sound transmission loss measurements
  • 118 cubic meter reverberation room capable of 125 Hz 1/3 octave sound absorption and sound transmission loss measurements
  • Transmission loss sample holding capability ranging from 17.8 square meters to 1 square meter

ACS Services: ACS held a single-source contract for design and construction management; equipment specification, procurement and installation; integration of equipment and facility systems; and, commissioning.

Project Applications

  • Heavy Duty Trucks
  • NVH
  • Chassis Dynamometer
  • Equipment Specification & Integration
  • Anechoic Chamber

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