...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Applied Acoustics >Performance of noise barriers with various edge shapes and acoustical conditions
【24h】

Performance of noise barriers with various edge shapes and acoustical conditions

机译：具有各种边缘形状和声学条件的隔音屏障的性能

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The performances of barriers having different shapes and surface conditions were tested using the boundary element method in a well-controlled environment. The heights and widths of the barriers were standardized and the insertion losses for six receiver positions were averaged and compared. Figures displaying the results allow for straightforward barrier performance estimation. It was shown that absorbing and soft edges significantly improve the efficiency of the barrier, but configuration modifications provide only a slight improvement. The soft T-shaped barrier produces the highest performance. A 3 m high T-shaped barrier provides the same performance as a 10 m high plain barrier. The spectral efficiency was also investigated. The insertion loss spectra for the absorbing and the soft barriers exhibit a similar shape, but the rigid barrier differs from these two.
机译：在良好控制的环境中，使用边界元方法测试了具有不同形状和表面条件的屏障的性能。屏障的高度和宽度被标准化，并且对六个接收器位置的插入损耗进行了平均和比较。显示结果的数字可以直接评估屏障性能。结果表明，吸收的边缘和柔软的边缘显着提高了隔离层的效率，但结构修改仅提供了轻微的改进。柔软的T形屏障可提供最高的性能。 3 m高的T形屏障提供的性能与10 m高的普通屏障相同。还研究了光谱效率。吸收屏障和软屏障的插入损耗谱显示相似的形状，但刚性屏障不同于这两者。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号