JPS6222643Y2 - - Google Patents

Info

Publication number
JPS6222643Y2
JPS6222643Y2 JP1980071051U JP7105180U JPS6222643Y2 JP S6222643 Y2 JPS6222643 Y2 JP S6222643Y2 JP 1980071051 U JP1980071051 U JP 1980071051U JP 7105180 U JP7105180 U JP 7105180U JP S6222643 Y2 JPS6222643 Y2 JP S6222643Y2
Authority
JP
Japan
Prior art keywords
airflow
sound
wind tunnel
plate
deflection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP1980071051U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56171403U (cg-RX-API-DMAC10.html
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1980071051U priority Critical patent/JPS6222643Y2/ja
Publication of JPS56171403U publication Critical patent/JPS56171403U/ja
Application granted granted Critical
Publication of JPS6222643Y2 publication Critical patent/JPS6222643Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
JP1980071051U 1980-05-23 1980-05-23 Expired JPS6222643Y2 (cg-RX-API-DMAC10.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980071051U JPS6222643Y2 (cg-RX-API-DMAC10.html) 1980-05-23 1980-05-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980071051U JPS6222643Y2 (cg-RX-API-DMAC10.html) 1980-05-23 1980-05-23

Publications (2)

Publication Number Publication Date
JPS56171403U JPS56171403U (cg-RX-API-DMAC10.html) 1981-12-18
JPS6222643Y2 true JPS6222643Y2 (cg-RX-API-DMAC10.html) 1987-06-09

Family

ID=29664874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980071051U Expired JPS6222643Y2 (cg-RX-API-DMAC10.html) 1980-05-23 1980-05-23

Country Status (1)

Country Link
JP (1) JPS6222643Y2 (cg-RX-API-DMAC10.html)

Also Published As

Publication number Publication date
JPS56171403U (cg-RX-API-DMAC10.html) 1981-12-18

Similar Documents

Publication Publication Date Title
US6182787B1 (en) Rigid sandwich panel acoustic treatment
JP5192035B2 (ja) 熱風による霜の処理機能が組み込まれている消音処理のための被覆材
US5720274A (en) Low-noise vapor exhaust hood
US4433751A (en) Sound suppressor liner
CN101149019B (zh) 直升机燃气涡轮发动机消音装置和装有这种装置的发动机
US20100206664A1 (en) Acoustic panel
US6672424B2 (en) Acoustically treated turbomachine multi-duct exhaust device
US12092033B2 (en) Integration of a fan flutter damper in an engine casing
US20060104819A1 (en) Low-noise fan exit guide vanes
CN207993473U (zh) 一种微穿孔复合式消声器
JP3653763B2 (ja) 消音器
CN113160785B (zh) 用于降低空气传声和固体传声的设备
JPH07139429A (ja) ジェットエンジン用の騒音抑止装置に使用される騒音抑止要素
KR20100063452A (ko) 소음기
CN216984786U (zh) 消音结构及其扫地机
JPS6222643Y2 (cg-RX-API-DMAC10.html)
RU157128U1 (ru) Комбинированный глушитель аэродинамического шума
CN217506886U (zh) 消声器及装置
CN111207604A (zh) 一种高效环保型机力通风冷却塔
US11988168B2 (en) Resonating patch and acoustic treatment cell provided with such a patch
JP3208046B2 (ja) 吸音エレメント及びこれを装着した消音エルボ
JPH06346900A (ja) 吊り下げ型換気装置
KR20220130754A (ko) 항공기용 로터 시스템
CN111058924A (zh) 一种二冲程航空发动机复合式消音装置及应用
CN215725256U (zh) 一种尖劈型消声筒