Reducing noise in car air conditioners
Perceived quality improvement
Life Quality on-board
Reduce noise inside cars. Its goal was to predict the noise of its equipment in order to assist its customers in redefining specifications for a better integration on their vehicles..
- A tailor-made support leveraging on its involvement in standardisation work and its vibration and acoustic expertise
- A specifications redefinition which rely on the blocked forces in order to guarantee better integration of the compressor onto the vehicle
Cetim carried out study to determine the forces “blocked” in the compressor at each attachment point with a view to more fully characterise the vibratory source of the compressor and its integration on the car.
Cetim adapted the protocol proposed in the standard to company’s products, applied it by outlining the whole of the required experimental system (number and location of the accelerometers) for the measurements on their bench.
A methodology implanted in the form of automated routines in the Sanden measurement acquisition programme
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