Experimental investigation on the singing vortex for an elliptical hydrofoil

摘要：

　　Tip vortex cavitation is a complex problem in marine propellers and has drawn considerable attention.The singing vortex is a special phenomenon related to a periodical oscillation of the developed tip vortex cavitation and the physical mechanism leading to it is still unclear.In this paper, an experimental investigation on the singing vortex was carried out.The dynamics and sound signature of the singing vortex were studied.Moreover, the relationship between the singing vortex and the flow features such as flow velocity, attack angle was investigated.It is found that the tone frequency of the singing vortex varies with the flow velocity in an approximately linear fashion while an inverse relationship exists between the tone frequency and the attack angle.

关键词： Singing vortex dynamics sound signature flow features

作者: Mingtai Song Lianghao Xu Xiaoxing Peng Denghai Tang

作者单位: China Ship Scientific Research Center, National Key Laboratory on Ship Vibration & Noise Wuxi City, Jiangsu Province, China

会议类型: 国际会议

会议名称: The Second Conference of Global Chinese Scholars on Hydrodynamics(第二届全球华人水动学学术会议)

会议地点: 江苏 无锡

会议语种:英文

页码: 761-765

在线出版日期: 2016-11-11（万方平台首次上网日期，不代表论文的发表时间）