Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
SOUND ABSORPTION MATERIAL, SOUND ABSORPTION METHOD, SOUND INSULATION METHOD, SOUND ABSORPTION STRUCTURE, ARCHITECTURAL STRUCTURE, VEHICLE, METHOD OF MANUFACTURING SOUND ABSORPTION MATERIAL, AND METHOD OF MANUFACTURING SOUND ABSORPTION STRUCTURE
To provide a sound absorption material presenting a favorable sound absorbing characteristic in a wide frequency band including a low frequency band less than or equal to 1000 Hz and a high frequency band exceeding 2000 Hz, a sound absorption method through use of the sound absorption material, a sound insulation method through use of the sound absorption material having a sound insulation property, a sound absorption structure including the sound absorption material, a vehicle including the sound absorption structure, an architectural structure and a vehicle including the sound absorption material, a method of manufacturing the sound absorption material, and a method of manufacturing the sound absorption structure.SOLUTION: A foam having a shear modulus of less than or equal to 7000 Pa, and a flow resistance of more than or equal to 1000000 N s/m4 per unit thickness is used as a sound absorption material. The sound absorption material preferably has a density of less than or equal to 50 kg/m3.SELECTED DRAWING: Figure 1
【課題】１０００Ｈｚ以下の低い周波数帯域と２０００Ｈｚ超の高い周波数帯域とを含む幅広い周波数帯域において良好な吸音特性を示す吸音材と、当該吸音材を用いる吸音方法と、遮音性を有する当該吸音材を用いる遮音方法と、前述の吸音材を備える吸音構造体と、前述の吸音構造体を備える車両と、前述の吸音材を備える建築物及び車両と、前述の吸音材の製造方法と、前述の吸音構造体の製造方法とを提供すること。【解決手段】せん断弾性率が７０００Ｐａ以下であり、単位厚さ当たりの流れ抵抗が１００００００Ｎ・ｓ／ｍ４以上である発泡体を吸音材として用いる。吸音材の密度は、５０ｋｇ／ｍ３以下であるのが好ましい。【選択図】図１
SOUND ABSORPTION MATERIAL, SOUND ABSORPTION METHOD, SOUND INSULATION METHOD, SOUND ABSORPTION STRUCTURE, ARCHITECTURAL STRUCTURE, VEHICLE, METHOD OF MANUFACTURING SOUND ABSORPTION MATERIAL, AND METHOD OF MANUFACTURING SOUND ABSORPTION STRUCTURE
To provide a sound absorption material presenting a favorable sound absorbing characteristic in a wide frequency band including a low frequency band less than or equal to 1000 Hz and a high frequency band exceeding 2000 Hz, a sound absorption method through use of the sound absorption material, a sound insulation method through use of the sound absorption material having a sound insulation property, a sound absorption structure including the sound absorption material, a vehicle including the sound absorption structure, an architectural structure and a vehicle including the sound absorption material, a method of manufacturing the sound absorption material, and a method of manufacturing the sound absorption structure.SOLUTION: A foam having a shear modulus of less than or equal to 7000 Pa, and a flow resistance of more than or equal to 1000000 N s/m4 per unit thickness is used as a sound absorption material. The sound absorption material preferably has a density of less than or equal to 50 kg/m3.SELECTED DRAWING: Figure 1
【課題】１０００Ｈｚ以下の低い周波数帯域と２０００Ｈｚ超の高い周波数帯域とを含む幅広い周波数帯域において良好な吸音特性を示す吸音材と、当該吸音材を用いる吸音方法と、遮音性を有する当該吸音材を用いる遮音方法と、前述の吸音材を備える吸音構造体と、前述の吸音構造体を備える車両と、前述の吸音材を備える建築物及び車両と、前述の吸音材の製造方法と、前述の吸音構造体の製造方法とを提供すること。【解決手段】せん断弾性率が７０００Ｐａ以下であり、単位厚さ当たりの流れ抵抗が１００００００Ｎ・ｓ／ｍ４以上である発泡体を吸音材として用いる。吸音材の密度は、５０ｋｇ／ｍ３以下であるのが好ましい。【選択図】図１
SOUND ABSORPTION MATERIAL, SOUND ABSORPTION METHOD, SOUND INSULATION METHOD, SOUND ABSORPTION STRUCTURE, ARCHITECTURAL STRUCTURE, VEHICLE, METHOD OF MANUFACTURING SOUND ABSORPTION MATERIAL, AND METHOD OF MANUFACTURING SOUND ABSORPTION STRUCTURE
吸音材、吸音方法、遮音方法、吸音構造体、建築物、車両、吸音材の製造方法、及び吸音構造体の製造方法
KAMIYAMA HIROSHI (Autor:in)
01.03.2021
Patent
Elektronische Ressource
Japanisch
IPC:
G10K
Tonerzeugungsvorrichtungen
,
SOUND-PRODUCING DEVICES
/
B60C
VEHICLE TYRES
,
Fahrzeugreifen
/
B60R
Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen
,
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
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