The test results show that by adjusting applied electrical field strength,the properties of the ER material as well as the sandwich cylindrical shell can be changed.

• 实验结果表明:施加电场后的电流变液夹层圆柱壳体对处于中、高频率的声波没有明显的吸收和阻隔效果,但对于由声激励引起的结构振动有明显的控制作用。