现代制造工程
現代製造工程
현대제조공정
MODERN MANUFACTURING ENGINEERING
2013年
11期
76-80
,共5页
流体动力学%方腔排布%流动噪声
流體動力學%方腔排佈%流動譟聲
류체동역학%방강배포%류동조성
Computational Fluid Dynamics ( CFD)%square cavity configuration%flow noise
以水下航行器上的腔体间距为研究对象,采用大涡数值模拟方法求解,建立了不同腔体间距的二维方腔模型,模拟其流场及声场特性,并分析流场与声场的相关性,揭示涡声关系,从而控制和改善水下航行器的涡流边界层流动状态,为其低阻力、低噪声及高可靠航行性能优化设计提供较好的理论工具。
以水下航行器上的腔體間距為研究對象,採用大渦數值模擬方法求解,建立瞭不同腔體間距的二維方腔模型,模擬其流場及聲場特性,併分析流場與聲場的相關性,揭示渦聲關繫,從而控製和改善水下航行器的渦流邊界層流動狀態,為其低阻力、低譟聲及高可靠航行性能優化設計提供較好的理論工具。
이수하항행기상적강체간거위연구대상,채용대와수치모의방법구해,건립료불동강체간거적이유방강모형,모의기류장급성장특성,병분석류장여성장적상관성,게시와성관계,종이공제화개선수하항행기적와류변계층류동상태,위기저조력、저조성급고가고항행성능우화설계제공교호적이론공구。
Research the autonomous underwater vehicle as object .Use the multi-scale analysis method ,and set up the water of the autonomous underwater vehicle dynamic model and numerical simulation method .Aiming at the multi-cavity of autonomous under-water vehicle ,the influence of multi-cavity layout on the vortex field and the radiated noise field was investigated for the purpose of reducing the ship resistance and noise of ,and provide necessary theoretical tools for its low resistance ,low noise and high relia-ble navigation performance optimization design .