Modeling Acoustic Processes of the Interaction of Cells of Sound-Absorbing Structures of Aircraft Engines
Physical and mathematical numerical models have been developed to predict the effective acoustic properties of sound-absorbing honeycomb structures at sound pressure levels of 100 and 130 dB with normal sound wave incidence. The sound absorption coefficients and patterns of acoustic interactions of...
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| Veröffentlicht in: | Acoustical physics 2023-12, Vol.69 (6), p.853-862 |
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| container_end_page | 862 |
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| container_title | Acoustical physics |
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| creator | Pisarev, P. V. Pankov, A. A. Anoshkin, A. N. Akhunzyanova, K. A. |
| description | Physical and mathematical numerical models have been developed to predict the effective acoustic properties of sound-absorbing honeycomb structures at sound pressure levels of 100 and 130 dB with normal sound wave incidence. The sound absorption coefficients and patterns of acoustic interactions of cells installed at the end of a cylindrical duct with normal sound wave incidence on them were studied by numerical mathematical and physical modeling. The sound absorption efficiency of single and groups of resonators of various shapes and sizes is estimated, and unique combinations of cells in groups are identified, taking into account their acoustic interactions. Representative samples of fragments of sound-absorbing structures were 3D-printed; laboratory tests of the samples were carried out with an interferometer with a normal sound wave incidence on the cells at a sound pressure level of 130 dB. |
| doi_str_mv | 10.1134/S1063771023600912 |
| format | Article |
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Representative samples of fragments of sound-absorbing structures were 3D-printed; laboratory tests of the samples were carried out with an interferometer with a normal sound wave incidence on the cells at a sound pressure level of 130 dB.</description><identifier>ISSN: 1063-7710</identifier><identifier>EISSN: 1562-6865</identifier><identifier>DOI: 10.1134/S1063771023600912</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Absorptivity ; Acoustic absorption ; Acoustic properties ; Acoustics ; Aircraft engines ; Analysis ; Atmospheric and Aeroacoustics ; Honeycomb structures ; Mathematical models ; Numerical models ; Physics ; Physics and Astronomy ; Sound pressure ; Sound transmission ; Sound waves ; Three dimensional printing</subject><ispartof>Acoustical physics, 2023-12, Vol.69 (6), p.853-862</ispartof><rights>Pleiades Publishing, Ltd. 2023. 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Representative samples of fragments of sound-absorbing structures were 3D-printed; laboratory tests of the samples were carried out with an interferometer with a normal sound wave incidence on the cells at a sound pressure level of 130 dB.</description><subject>Absorptivity</subject><subject>Acoustic absorption</subject><subject>Acoustic properties</subject><subject>Acoustics</subject><subject>Aircraft engines</subject><subject>Analysis</subject><subject>Atmospheric and Aeroacoustics</subject><subject>Honeycomb structures</subject><subject>Mathematical models</subject><subject>Numerical models</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Sound pressure</subject><subject>Sound transmission</subject><subject>Sound waves</subject><subject>Three dimensional printing</subject><issn>1063-7710</issn><issn>1562-6865</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp1kU1LxDAQhoMouK7-AG8Fz13z0SbtsSyrLigKu_eSptOapZusSXrw35tawYPIHDLM-z6TGQahW4JXhLDsfkcwZ0IQTBnHuCT0DC1IzmnKC56fxzzK6aRfoivvDzh6GKMLpF9sC4M2fVIpO_qgVfLmrALvwSe2S8I7JFsTwEkVtDVTaQ3D8K3t7GjatGq8dc3UYRfcqMLoZrLSTjnZhWRjem3AX6OLTg4ebn7eJdo_bPbrp_T59XG7rp5TxbAIqcS0a0lXZCqTDSjBsywOKzKpciYpLmQjJSO05IIKJXNCBGuAAikYbwAztkR3c9uTsx8j-FAf7OhM_LGmcWWc5bjg0bWaXb0coNamsyFuGKOFo1bWQKdjvRJFxnCZlyICZAaUs9476OqT00fpPmuC6-kC9Z8LRIbOjI9e04P7HeV_6AtLoYcj</recordid><startdate>20231201</startdate><enddate>20231201</enddate><creator>Pisarev, P. 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| subjects | Absorptivity Acoustic absorption Acoustic properties Acoustics Aircraft engines Analysis Atmospheric and Aeroacoustics Honeycomb structures Mathematical models Numerical models Physics Physics and Astronomy Sound pressure Sound transmission Sound waves Three dimensional printing |
| title | Modeling Acoustic Processes of the Interaction of Cells of Sound-Absorbing Structures of Aircraft Engines |
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