A Novel Method Predicting the Influence of Absorption Material on the Sound Quality of Interior Noise

Paper #:
  • 2017-01-1885

Published:
  • 2017-06-05
DOI:
  • 10.4271/2017-01-1885
Citation:
Lee, K., Lee, S., Shin, T., and Kim, K., "A Novel Method Predicting the Influence of Absorption Material on the Sound Quality of Interior Noise," SAE Technical Paper 2017-01-1885, 2017.
Pages:
7
Abstract:
This paper presents a novel method predicting the variation of sound quality of interior noise depending on the change of the proprieties of absorption materials. At the first, the model predicting the interior noise corresponding to the change of the absorption material in engine room is proposed. Secondly the index to estimate the sound quality of the predicted sound is developed. Thirdly the experimental work has been conducted with seven different materials and validated the newly developed index. Finally, this index is applied for the optimization of absorption material to improve the sound quality of interior noise in a passenger car.
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