JP2018536201A - 吸収音響メタマテリアル - Google Patents
吸収音響メタマテリアル Download PDFInfo
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- JP2018536201A JP2018536201A JP2018528797A JP2018528797A JP2018536201A JP 2018536201 A JP2018536201 A JP 2018536201A JP 2018528797 A JP2018528797 A JP 2018528797A JP 2018528797 A JP2018528797 A JP 2018528797A JP 2018536201 A JP2018536201 A JP 2018536201A
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 37
- 239000011343 solid material Substances 0.000 claims abstract description 12
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- 210000004027 cell Anatomy 0.000 claims 27
- 210000005056 cell body Anatomy 0.000 claims 1
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; 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 for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; 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
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/04—Acoustic filters ; Acoustic resonators
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; 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 for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
- G10K11/168—Plural layers of different materials, e.g. sandwiches
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
‐固体材料からなる本体、および
‐幅lのおよび深さpの溝の形をした少なくとも1つの共振器であって、前記の溝が、前記の固体材料からなる本体の表面で開いている、共振器。
−密度(g/cm):1.02(液体、80°で)
−ヤング係数:1463MPa
−曲げ強度:49MPa
−315Hzで0.97;
−353Hzで0.95;
−364Hzで0.96;
−1031Hzで0.95;
−1150Hzで0.96;
−1294Hzで0.93。
−第1帯:約360Hzを中心にし、44:7%の相対帯域幅で0.87に到達する;
−第2帯:約1159Hzを中心にし、44:6%の相対帯域幅で0.49に到達する。
Claims (14)
- 音響メタマテリアルの基礎セル(1;1’;10;10’;10”;100;100’)であって、
−固体材料からなる本体(2;2’;20;20’;20”;200;200’)と、
−幅lのおよび深さpの溝(3;3’;30,31,32;30’,31’,32’;30”,31”,32”;300;300’)の形をした少なくとも1つの共振器であって、前記溝(3;3’;30,31,32;30’,31’,32’;30”,31”,32”;300;300’)が、前記本体の表面で開いている、共振器と、
を含み、
−深さpは、関係
−幅lは、実験によって決定される対数関係
- 請求項1に記載のセル(1;1’;10;10’;10”;100;100’)であって、前記溝(3;3’;30,31,32;30’,31’,32’;30”,31”,32”;300;300’)は、円筒形、多角形または直線である、セル。
- 請求項1または2に記載のセルであって、前記溝は、不連続である、および本体の構成要素となる固体材料によって離れたセクターの形を呈する、セル。
- 請求項1〜3のいずれか1項に記載のセル(10;10’;10”)であって、セルの本体は、複数の溝(30,31,32;30’,31’,32’;30”,31”,32”)を備える、セル。
- 請求項4に記載のセル(10;10’)であって、前記溝(30,31,32;30’,31’,32’)は、同心的である、セル。
- 請求項1〜5のいずれか1項に記載のセル(1;1’;10;10’;10”;100;100’)であって、1つ以上の溝(3;3’;30,31,32;30’,31’,32’;30”,31”,32”;300;300’)は、前記溝(3;3’;30,31,32;30’,31’,32’;30”,31”,32”;300;300’)の深さp全体にわたって一定の幅lを呈する、セル。
- 請求項4〜6のいずれか1項に記載のセル(10’)であって、少なくとも2つの溝(30’,31’,32’)は、互いに異なる深さpおよび/または幅lを呈する、セル。
- 請求項1〜7のいずれか1項に記載のセルであって、本体は、少なくとも1つの貫通する切り込みを備える、セル。
- 請求項1〜8のいずれか1項に記載のセル(100;100’)であって、1つ以上の溝(300;300’)は、1つしかない開口部と、セル(100;100’)の内部での複数の折れ目とを呈するように、折り返される、セル。
- 請求項1〜9のいずれか1項に記載のセル(1;1’;10;10’;10”;100;100’)であって、少なくとも1つの溝は、流体またはポリマーを含む、セル。
- 請求項1〜10のいずれか1項に記載のセル(1;1’;10;10’;10”;100;100’)であって、セルの本体(2;2’;20;20’;20”;200;200’)は、円筒形、平行6面体またはピラミッド形である、セル。
- パネルの形をした音響スクリーンであって、請求項1〜11のいずれか1項に記載の少なくとも1つの基礎セル(1;1’;10;10’;10”;100;100’)を含む、音響スクリーン。
- 請求項12に記載の音響スクリーンであって、多数の基礎セル(1;1’;10;10’;10”;100;100’)を含み、多数の基礎セル(1;1’;10;10’;10”;100;100’)は、共振周波数を変更するように、それぞれのセル(1;1’;10;10’;10”;100;100’)が、隣の別のセル(1;1’;10;10’;10”;100;100’)に作用することができるように、配置される、音響スクリーン。
- 請求項13に記載の音響スクリーンであって、基礎セル(1;1’;10;10’;10”;100;100’)は、周期的に前記パネルに配置される、音響スクリーン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1561744 | 2015-12-02 | ||
FR1561744A FR3044812B1 (fr) | 2015-12-02 | 2015-12-02 | Metamateriau acoustique absorbant |
PCT/FR2016/053190 WO2017093693A1 (fr) | 2015-12-02 | 2016-12-02 | Métamatériau acoustique absorbant |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018536201A true JP2018536201A (ja) | 2018-12-06 |
JP6822643B2 JP6822643B2 (ja) | 2021-01-27 |
Family
ID=55300607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018528797A Active JP6822643B2 (ja) | 2015-12-02 | 2016-12-02 | 吸収音響メタマテリアル |
Country Status (5)
Country | Link |
---|---|
US (1) | US11081095B2 (ja) |
EP (1) | EP3384487B1 (ja) |
JP (1) | JP6822643B2 (ja) |
FR (1) | FR3044812B1 (ja) |
WO (1) | WO2017093693A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101825480B1 (ko) * | 2016-04-29 | 2018-03-23 | 서울대학교산학협력단 | 음향 파라미터 제어형 메타 원자 및 이를 포함하는 메타 물질 |
WO2018146489A1 (en) | 2017-02-09 | 2018-08-16 | The University Of Sussex | Acoustic wave manipulation by means of a time delay array |
CN110880312B (zh) * | 2018-09-05 | 2023-10-27 | 湖南大学 | 一种水下亚波长局域共振型声学超材料 |
CN110011068B (zh) * | 2019-04-26 | 2021-04-02 | 内蒙古大学 | 一种频率可主动调谐的太赫兹超材料吸波器及其制造方法 |
CN111105774A (zh) * | 2019-10-29 | 2020-05-05 | 同济大学 | 亥姆霍兹共振器及基于其的低频宽带吸声降噪结构 |
TWI818224B (zh) * | 2021-01-13 | 2023-10-11 | 逸陞有限公司 | 降噪模組 |
CN114104234B (zh) * | 2021-11-30 | 2023-08-08 | 浙江大学 | 覆盖层漫反射式吸声超结构单元及超结构 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1031671A3 (en) * | 1999-02-24 | 2002-11-13 | William Garrard (Leighton Buzzard) Limited | Acoustic structural elements |
US20050258000A1 (en) * | 2004-05-20 | 2005-11-24 | Hiroshi Yano | Noise reducing equipment |
CN102016977A (zh) * | 2008-03-03 | 2011-04-13 | 3M创新有限公司 | 管理气体流动系统中的可听声频的方法 |
KR20110004418A (ko) * | 2008-04-14 | 2011-01-13 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 다층 흡음 시트 |
GB0901982D0 (en) * | 2009-02-06 | 2009-03-11 | Univ Loughborough | Attenuators, arrangements of attenuators, acoustic barriers and methods for constructing acoustic barriers |
KR102046102B1 (ko) * | 2012-03-16 | 2019-12-02 | 삼성전자주식회사 | 메타물질의 코일 기반 인공원자, 이를 포함하는 메타물질 및 소자 |
US9179220B2 (en) * | 2012-07-10 | 2015-11-03 | Google Inc. | Life safety device with folded resonant cavity for low frequency alarm tones |
US9330651B1 (en) * | 2015-07-16 | 2016-05-03 | Hong Jen Wang | Acoustic absorbing combination |
WO2019021483A1 (ja) * | 2017-07-28 | 2019-01-31 | イビデン株式会社 | 吸音部材、車両用部品及び自動車 |
-
2015
- 2015-12-02 FR FR1561744A patent/FR3044812B1/fr active Active
-
2016
- 2016-12-02 US US15/781,394 patent/US11081095B2/en active Active
- 2016-12-02 EP EP16819595.6A patent/EP3384487B1/fr active Active
- 2016-12-02 JP JP2018528797A patent/JP6822643B2/ja active Active
- 2016-12-02 WO PCT/FR2016/053190 patent/WO2017093693A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FR3044812A1 (fr) | 2017-06-09 |
FR3044812B1 (fr) | 2018-11-02 |
US20180357994A1 (en) | 2018-12-13 |
JP6822643B2 (ja) | 2021-01-27 |
EP3384487B1 (fr) | 2023-04-19 |
US11081095B2 (en) | 2021-08-03 |
WO2017093693A1 (fr) | 2017-06-08 |
EP3384487A1 (fr) | 2018-10-10 |
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