Wang et al., 2022 - Google Patents
A novel membrane-cavity-grating (MCG) meta-structure for enhancing low-frequency sound absorptionWang et al., 2022
- Document ID
- 10457959318322753467
- Author
- Wang L
- Wu J
- Lei Y
- Niu J
- Huang Y
- Liu C
- Publication year
- Publication venue
- Journal of Physics D: Applied Physics
External Links
Snippet
For resonant-type absorbers with a back cavity, the improvement of low-frequency sound absorption always depends on increasing the back cavity depth, which hinders its practical application. To realize satisfactory sound absorption performance in low-frequency range (< …
- 238000010521 absorption reaction 0 title abstract description 171
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound
- G10K11/162—Selection of materials
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