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A Development Procedure to Improve the Acoustical Performance of a Dash System
Technical Paper
2005-01-2515
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper discusses a development procedure that was used to evaluate the acoustical performance of one type of dashpanel construction over another type for a given application. Two very different constructions of dashpanels, one made out of plain steel and one made out of laminated steel, were studied under a series of different test conditions to understand which one performs better, and then to evaluate how to improve the overall performance of the inferior dashpanel for a given application. The poorly performing dashpanel was extensively tested with dashmat and different passthroughs to understand the acoustic strength of different passthroughs, to understand how passthroughs affect the overall performance of the dash system, and subsequently to understand how the performance can be improved by improving one of the passthroughs.
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Citation
Saha, P., Jain, D., and Linke, J., "A Development Procedure to Improve the Acoustical Performance of a Dash System," SAE Technical Paper 2005-01-2515, 2005, https://doi.org/10.4271/2005-01-2515.Also In
References
- Acoustic Consideration of Passthroughs in Automobiles Saha Pranab Chahine John Automotive Body and Interior Safety Systems, IBEC 1994
- Investigation of Acoustic Leakage of Vehicle Dash Pass-through Components Fung Kent K. H. Zhu Jason J. SAE Paper 971904
- A Design Study to Determine the Impact of Various Parameters on Door Acoustics Saha Pranab et.al. SAE Paper 2003-01-1430
- Standard Test Method for Laboratory Measurement of Airborne Transmission Loss of Building Partitions and Elements Using Sound Intensity