Abstract
The automotive sector is facing new challenges due to use of electro engines. Missing the masking characteristics of the combustion engine, unwanted noise radiation of other vibrating components begin to come in focus. One source is the HVAC system with its rotating fans and duct systems that radiate structure and air born sound into the interior cabin. Using a Laser-Scanning-Vibrometer a common HVAC system is analyzed during Operation. While studying the structural Vibration forced by the rotation of the main fan and the flow through the duct system a microphone is recording the sound emitted in the far field. Combining this information conclusions relating Vibration of components and radiated sound through coherence will help to identify main sound sources.
| Original language | English |
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| Pages | 2625-2632 |
| Number of pages | 8 |
| State | Published - 2013 |
| Externally published | Yes |
| Event | 20th International Congress on Sound and Vibration 2013, ICSV 2013 - Bangkok, Thailand Duration: 7 Jul 2013 → 11 Jul 2013 |
Conference
| Conference | 20th International Congress on Sound and Vibration 2013, ICSV 2013 |
|---|---|
| Country/Territory | Thailand |
| City | Bangkok |
| Period | 7/07/13 → 11/07/13 |