NVH System Acoustics Test Bench

NVH System Acoustics Test Bench

With its NVH system test bench, IPETRONIK offers the possibility of recording and analyzing the noise development at the HVAC (air conditioning unit) using in-house acoustic measurement technology. For this purpose, microphones are placed in the near field of local sound sources and, if necessary, the so-called acoustic camera (GFAI, see figure on the right) is used for sound localization. Sensors for vibration and pulsation of the refrigerant can also be placed in the system.

• Acoustic measurements on the HVAC (air conditioning box), which sits in the car under the dashboard, to simulate the noise generated by the air conditioning system inside the car
• Special bodies
• Acoustic measurements on: Evaporator, EXV, piping, etc.
• Construction of the HVAC with different acoustic insulation materials
• Geodesic layout of the air conditioning system according to CAD data

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