Vibration and Acoustics (NVH)

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Vibration and Acoustics (NVH)

One of the basic engineering fields which OTAM provides testing and project services is Vibration and Acoustics field.

OTAM Vibration & Acoustics Infrastructure

Semi Anechoic Room

  • Dimensions: 11 x 5 x 4.5 m (11 x 6 x 4.5m)
  • Cut off Freq: 100Hz (precision method: ISO 3745 -class 1)
  • Room sound insulation: > 70 dB(A)

Slient Chassis Dynamometer

  • Roller Diameter: 1.2 m
  • Max. Speed: 200 km/h
  • Max. Axle Load: 35 kN
  • Capacity: 190 KW

Constant speed, constant force, wind and vehicle inertia simulation.

Equipments and Softwares

  • Pulse Softwares and Front-end Analyzers
  • Sound Level Meter
  • (Sound Intensity Probe
  • Volume Velocity Source
  • Modal shaker and impact hammer
  • Head & Torso Simulator
  • 1 and 3 axis accelerometers
  • Microphones
  • Laser, optical and contact type
    tachometers
  • Accelerometer and microphone calibrators

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