发明名称 |
ACOUSTIC AND VIBRATIONAL ENERGY ABSORPTION METAMATERIALS |
摘要 |
A substantially acoustically transparent planar,rigid frame divided into a plurality of individual, substantially two-dimensional cells is used to construct a sound absorption panel. A sheet of a flexible material is fixed to the rigid frame, and a plurality of platelets fixed to the sheet of flexible material such that each cell is provided with a respective platelet, thereby establishing a resonant frequency, establishing an increase in an absorption coefficient of the panel. The flexible material has a wrinkle or corrugation to permit distortion with reduced material elasticity. The wrinkle or corrugation permits the flexible material to distort beyond that afforded by a planar material of the same type, while retaining mechanical strength in supporting the plurality of platelets. |
申请公布号 |
WO2014206168(A1) |
申请公布日期 |
2014.12.31 |
申请号 |
WO2014CN78529 |
申请日期 |
2014.05.27 |
申请人 |
THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY |
发明人 |
SHENG, PING;YANG, ZHIYU;YANG, MIN;SUN, LIANG;MA, GUANCONG;XIAO, SONGWEN |
分类号 |
G10K11/18 |
主分类号 |
G10K11/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|