| 发明名称 |
ACOUSTIC ABSORBER OF GAS JET NOISE |
| 摘要 |
An acoustic absorber of gas jet noise comprises a cylindrical body made of porous material with central channel and covers at ends, and a connection for gas jet supply. This is connected to spiral arranged in the body central channel. The spiral has the form of oval curve or equilateral polygon, e.g. triangle, in cross-section, and tops of spiral turns are arranged by helical curves. |
| 申请公布号 |
UA75092(U) |
申请公布日期 |
2012.11.26 |
| 申请号 |
UA20120004122U |
申请日期 |
2012.04.03 |
| 申请人 |
"KYIV POLYTECHNIC INSTITUTE", NATIONAL TECHNICAL UNIVERSITY OF UKRAINE |
发明人 |
TRYVAILO MYKHAILO SEMENOVYCH;MELNYK VIKTORIIA MYKOLAIVNA;KARACHUN VOLODYMYR VOLODYMYROVYCH;FESENKO SERHII VIKTOROVYCH |
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