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声波在粗糙液-液分界面上的散射 被引量:1

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摘要 利用消光定理导出粗糙液-液界面声波散射的一阶散射截面,且此散射截面包含二重散射效应.在该方法中若忽略二重散射效应,所求得散射截面将和基于Rayleigh假设的一阶微扰方法求得的结果相一致.该文对散射强度进行了数值计算,并且与基于Rayleigh假设的一阶微扰方法计算结果进行了比较.结果表明,在k1h<1时,随着界面均方高度及掠射角的增加,二重散射效应明显.
出处 《中国科学(G辑)》 CSCD 2008年第2期156-164,共9页
基金 国家重点基础研究发展计划资助项目(编号:2005CB422307)
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