NVH Acoustic Reverberation Test for Heavy-Duty Trucks

November 3, 2019

AEARO Technologies (3M Company) - Indianapolis, IN

Project Features:
Heavy Duty Trucks, NVH, Chassis Dynamometer, Equipment Specification & Integration, Dyno, Anechoic Chamber


Heavy duty truck NVH acoustic reverberation test facility

ACS designed and constructed a class 4 to class 8 heavy duty truck NVH acoustic reverberation 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 acoustic reverberation room capable of 100Hz 1/3 octave sound absorption and sound transmission loss measurements
  • 118 cubic meter acoustic 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.