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- W2898511482 abstract "Abstract In order to investigate the noise reduction effect of barrier with multi-well on its top. The effect of the layout of the wells was investigated by the 2D boundary element method (BEM). Results show that, the layout of the well would affect the noise reduction effect on receiver which is high from the ground, mainly in the mid frequency range. And the mainly concerned well should better be located close to the source side. Besides, the noise reduction effect relies on the sound diffraction around the top of the barrier, so, the layout of the walls of the wells also plays an important role to improve the performance of the barrier. Different kinds of layouts of the walls of the wells were also calculated and compared. Results show that, the noise reduction effect of the barrier is greatly affected by the layout of the walls of the wells. The performance of barrier which the layout of walls of the wells in ascending order of the heights from the source side to the receiver side is better than that in descending order. Experiments were also carried out in a semi-anechoic chamber, the experimental results agree well with the calculation results." @default.
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- W2898511482 date "2019-02-01" @default.
- W2898511482 modified "2023-09-27" @default.
- W2898511482 title "Effect of layouts of wells and the walls of wells on noise reduction effect" @default.
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- W2898511482 doi "https://doi.org/10.1016/j.apacoust.2018.08.019" @default.
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