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