Propagation of acoustic waves in a fluid-filled pipe with periodic elastic Helmholtz resonators*

Project supported by the National Natural Science Foundation of China (Grant Nos. 11372346, 51405502, and 51705529).

Yu Dian-Long1, †, Shen Hui-Jie2, Liu Jiang-Wei1, Yin Jian-Fei, Zhang Zhen-Fang1, Wen Ji-Hong1
       

Frequency-dependent STLs for cavity length lc = 0.2 m (solid line), 0.1 m (dash dot line), and 0.05 m (dotted line).