摘要
桨叶根部负荷及毂涡能量利用研究一直是螺旋桨设计研究工作的重要内容之一。为分析螺旋桨根部尾涡系结构,本文采用RANS方法对敞水螺旋桨进行定常数值模拟,通过与水动力测试及LDV流场测量数据对比验证了数值模拟的可靠性。将数值模拟结果与空泡流动显示对照,说明了毂涡是由桨毂端面发展出的轴心涡及缠绕在其表面的叶根尾涡共同构成,分析了毂涡强度与桨毂环量的关系,论述轴心涡的形成机理。
The propeller radial circulation distribution and hub vortex energy recycling is one of the important subjects in propeller design.To research the vortex structure in propeller root wake,the RANS method was adopted to simulate the steady propeller wake.According to the comparisons of CFD simulation and the results of open water test and LDV measurement,the calculation results are reliable.From simulation and flow visualization,the vortex structure was declared,the relationship between hub vortex intensity and the hub circulation was analyzed,and the mechanism of hub vortex was discussed.
作者
李鹏程
刘登成
董郑庆
郭峰山
夏灏超
陈雷强
LI Peng-cheng;LIU Deng-cheng;DONG Zheng-qing;GUO Feng-shan;XIA Hao-chao;CHEN Lei-qiang(CSIC Shanghai Marine Energy Saving Technology Development Co.,Ltd.,Shanghai 200011,China;China Ship Scientific Research Center,Wuxi 214082,China)
出处
《舰船科学技术》
北大核心
2020年第5期34-39,共6页
Ship Science and Technology
