Ackermann et al., 1988 - Google Patents
Sound absorbers of a novel membrane constructionAckermann et al., 1988
- Document ID
- 15670760886861142840
- Author
- Ackermann U
- Fuchs H
- Rambausek N
- Publication year
- Publication venue
- Applied Acoustics
External Links
Snippet
Porous or fibrous materials are used in a great variety of applications to absorb acoustic energy at medium and high frequencies above approximately 200 Hz. There are, however, cases where their open and rough surface entails certain disadvantages with respect to …
- 239000006096 absorbing agent 0 title abstract description 56
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
- G10K11/172—Selection of materials using resonance effects
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