Murata et al., 2022 - Google Patents
Experimental Research on New Acoustic Liners Combined with Fine-Perforated-FilmMurata et al., 2022
- Document ID
- 410815615161549229
- Author
- Murata Y
- Ishii T
- Enomoto S
- Oinuma H
- Nagai K
- Oki J
- Daiguji H
- Publication year
- Publication venue
- 28th AIAA/CEAS Aeroacoustics 2022 Conference
External Links
Snippet
It is known that the noise reduction performance of resonant type liner panels is affected and in most cases degraded by the presence of grazing flow. Therefore, in this study, in order to prevent the degradation of noise reduction performance caused by the partial penetration of …
- 238000009304 pastoral farming 0 abstract description 29
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
-
- 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
- G10K11/175—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound
-
- 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
- G10K11/18—Methods or devices for transmitting, conducting, or directing sound
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