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1. Analysis and improvement on acoustic performance of muffler with the consideration of temperature.

Author

DONG Hong-liang, DENG Zhao-xiang, and LAI Fei

Subjects
ACOUSTICAL engineering, AUTOMOBILE mufflers, TEMPERATURE effect, ACOUSTIC fatigue (Mechanics), AUTOMOBILE transmission
Abstract

The temperature field and acoustic field models of muffler were built. The effect of temperature on muffler acoustic performance was studied by taking temperature field result as boundary condition of acoustic field. And the effect of inner construction parameters of the muffler is also analyzed. The muffler is refined by adjusting inner construction parameters, and the transmission loss is improved about 2∼3 dB. [ABSTRACT FROM AUTHOR]

Published
2009

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