The solution
All measurements were carried out on a vehicle under static and driving conditions. They were used to establish the current situation in relation to the progress of the customer’s project, and to determine the main sources of interior and exterior noise.
The purpose of measuring outdoor noise was to localize the sources of potential annoyance in the immediate vicinity of the vehicle. In other words, the noise perceived when we are outside, close to the vehicle (particularly when recharging electric vehicles). It is therefore possible to formulate recommendations for reducing these noise levels.
The purpose of measuring interior noise was to assess the influence of a material change in the vehicle’s cabin, and more specifically whether or not this change would degrade the vehicle’s acoustic performance. The measurements carried out highlighted the importance of the mass per unit area of the material in a specific zone to guarantee optimum performance in the passenger compartment.
At the end of the work entrusted to Metravib Engineering, all the results obtained were transmitted to the customer, who decided to continue the implementation phase of the recommendations in-house. A phase that Metravib Engineering’s teams are also able to carry out of course (pre-sizing of the technical solution, implementation and qualification).
