Transfer path analysis using engine radiated sound and mount vibration
Keywords:
Automobile engines, Automobile manufacture, Mountings, Photoacoustic effect, Regression analysis, Vehicles, Vibration measurement, Numerical estimation, Operating condition, Radiated sound, Transfer Path Analysis, Transfer pathsAbstract
A study was conducted to perform transfer path analysis using engine radiated sound and mount vibration. The study conducted investigations that had a number of objectives. One of these objectives involved developing a vehicle interior sound and vibration numerical estimation method. The method was based on engine radiated sound and mount vibration and verifying the estimations by actual vehicle interior sound and vibration measurements at all operating conditions. Another objective involved evaluating the contribution of individual engine air-borne and structure-borne source of vibration to the total vehicle interior sound and vibration. Investigations revealed that the vehicle interior sound and vibration was a combination of air-borne and structure-borne transfer paths.
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