| 陈亚林,杨坤德,马远良.消声水池声场的仿真计算[J].声学技术,2005,(3):132~136 |
| 消声水池声场的仿真计算 |
| Computation of acoustic field in an anechoic tank |
| 投稿时间：2004-12-22 修订日期：2005-03-30 |
| DOI： |
| 中文关键词: 消声水池 吸声系数 自由场 |
| 英文关键词: anechoic tank absorption coefficient free field |
| 基金项目: |
|
| 摘要点击次数: 1206 |
| 全文下载次数: 1317 |
| 中文摘要: |
| 消声水池的声场计算对消声水池尺寸的确定和所敷设的吸声材料参数的选择十分重要。利用虚源方法建立了消声水池声场计算的声场模型,该模型考虑了二次反射、吸声系数随入射角变化、有指向性声源等多种情况。利用声场模型对水池的声场进行了计算,分别考虑了点声源、吸声系数随入射角变化、二次反射和指向性声源等情况。通过对不同条件下消声水池声场的计算仿真,分析了不同因素对水池自由场的影响,得到了具有一定应用价值的结论。 |
| 英文摘要: |
| Computation of the acoustic field in an anechoic tank is important for selection of absorption lining. A simulation model is developed to estimate acoustic field in the anechoic tank, taking into account secondary reflection, variation of absorption coefficient with respect to the incidence angle, and effects of directional sources. The acoustic filed is calculated in different aspects, influence on the free field analyzed under different conditions, and useful conclusions obtained. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
|
|
|
