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An optimal dimensioning method of a green wall structure for noise pollution reduction

机译：噪声污染减少绿壁结构的最佳尺寸尺寸方法

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摘要

This paper concern the optimization of a multilayered green wall structure including substrate and foliage in order to reduce as much as possible backward noise reflection and forward transmission from the wall. Each component involved in the wall structure is fully characterized experimentally to get its transfer matrix. Simulation demonstrated that foliage layer superimposed to substrate layer doesn't affect the transmission losses but contributes greatly to the increase of return losses of the green wall structure. To achieve the best performances in terms of return and forward losses as well as frequency bandwidth, the methods of optimization are discussed including selection of types of materials, thicknesses, arrangement of layers as parameters.
机译：本文涉及包括基板和叶子的多层绿壁结构的优化，以便尽可能地从墙壁中减少可能的后向噪声反射和向前传递。墙体结构中涉及的每个组件都通过实验完全表征以获得其传输矩阵。仿真证明，叠加到衬底层的叶子层不会影响传输损耗，但大大贡献了绿壁结构的回报损失的增加。为了在返回和远程损失方面实现最佳性能以及频率带宽，讨论了优化方法，包括选择类型的材料类型，厚度，层作为参数的排列。

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