Automotive Research Association of India
Research Institute of the Automotive Industry with the Ministry of Heavy Industries & Public Enterprises, Govt. of India
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Noise, Vibration & Harshness

NVH MAJOR FACILITIES
  Hemi-anechoic chamber(6m x 6m x 3m with cut off frequency of 100Hz) meeting the requirements of ISO : 3745
  Two engine dynamometers of 70 and 400kW capacities
  Chassis dynamometer(70kW) suitable for testing 2,3 and 4wheelers
  Two adjacent reverberation chambers of volume 110 m3 and 80 m3 with a window of 2.4 m x 2.4 m in the inter- connecting wall.
  Test rigs for characterization of acoustic materials viz Sound Absorption, Transmission Loss, Porosity, Flow Resisitivity, Damping
  Test rig for determination of Transmission Loss of Silencer

Hardware:
  100 Channel Data Acquisition System, PULSE, of Bruel & Kjaer, Denmark   Exciters and Volume Velocity Source
  16 Channel Data Acquisition System, SCADAS, of LMS, Belgium   Reference Sound Source and Omni Directional Sound Source
  Acoustic Holography system   Torsional Vibration measurement system
  Scanning Laser Vibrometer   Sound Level meters,
  Portable Laser Vibrometer    

Software:
  Statistically Optimized Nearfield Acoustic Holography (SONAH)   Advanced Modal Analysis
  Beamforming   Operational Modal Analysis
  Sound power Computation as per ISO 3744/45/9641/9642   Transfer Path Analysis
  Real-time data recorder   Sound Quality
  Frequency &Order analysis   Forced Response & Sensitivity Analysis
  Noise Source identification