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  1. National Taiwan Ocean University Research Hub

Analysis Model of the External Acoustic Radiation and Wall Vibration Due to Internal Pipe Flow Disturbances

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Project title
Analysis Model of the External Acoustic Radiation and Wall Vibration Due to Internal Pipe Flow Disturbances
Code/計畫編號
NSC96-2221-E019-055
Translated Name/計畫中文名
由內部管流引致之管系振動與聲輻射分析模式研究
 
Project Coordinator/計畫主持人
Wei-Hui Wang
Funding Organization/主管機關
National Science and Technology Council
 
Department/Unit
Department of Systems Engineering and Naval Architecture
Website
https://www.grb.gov.tw/search/planDetail?id=1471449
Year
2007
 
Start date/計畫起
01-08-2007
Expected Completion/計畫迄
01-07-2008
 
Bugetid/研究經費
634千元
 
ResearchField/研究領域
機械工程
 

Description

Abstract
" 通常管流噪音是因管路中所輸送之流體受泵浦或原動機激振管壁及 管流之擾動所產生。而在管路內之流體域及管壁之結構域內可能出現許多 不同種類之聲波及振波。本研究擬由擾動的管流所產生的流體動壓波動或 聲壓波動,探討作用至管壁內側之擾動壓力,使管壁激振,及分析由振動 的管壁產生外部之噪音輻射。並進行實驗量測比對。一旦此分析之數值模 型建立完成後,銜接後續之管流噪音控制對策,即可望控制管流噪音,以 為船舶管路及陸基建築管路靜音工程應用。 "
 
Keyword(s)
管流噪音
壁壓波動
管壁波動
聲壓波動
 
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