声光衍射法探索声波与体积模量的关系

Dependence of bulk modulus on acoustic waves in different fluids revealed by acoustic-optical diffraction

通过研究纯净液体和液体在不同掺杂比例下的体积模量,揭示了液体体积模量与液体内部掺杂离子和液体分子之间的相互作用的关系.通过实验研究互不相溶液-液界面(煤油与水的混合液等)的声光衍射现象,进一步揭示了声波在互不相溶的界面处传播的物理本质,对研究声波在界面处传播的方式有重要的作用.

The bulk modulus in pure fluids and solutions was studied. The interaction between i- ons and molecules had been revealed. It was found that the stronger the interaction was, the larger the bulk modulus was. Moreover, the interface between water and kerosene had been studied by a- coustic-optical diffraction method. By analyzing the results of the diffraction pattern, the intrinsic physics for the propagation of acoustic waves was revealed.