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A method to get capture area of a waterjet propulsor inlet duct based on grid filter weighting
Wang C(王超); Hu ZQ(胡志强); Lin Y(林扬); Xu HL(徐红丽)
作者部门海洋信息技术装备中心
会议名称OCEANS 2014 MTS/IEEE Taipe
会议日期April 7-10, 2014
会议地点Taipei, Taiwan
会议录名称OCEANS 2014 MTS/IEEE
出版者IEEE
出版地Piscataway, NJ, USA
2014
页码1-4
收录类别EI
EI收录号20145100343053
产权排序1
ISBN号978-1-4799-3646-5
关键词Waterjet Propulsion Inlet Duct Capture Area Cfd
摘要In order to get capture area and calculate performance of a waterjet propulsor inlet duct conveniently and fast, grid filter weighting method is proposed based on Computational Fluid Dynamic (CFD) technology in this paper. Numerical simulating of the inlet duct is carried out. Implementation process of this method is discussed in detail. With processing the data of solving results, parameters in capture area are got under different Inlet Velocity Ratio (IVR) condition with this method. Efficiency and hydraulic loss of the inlet duct are calculated for the waterjet propulsor. The results are compared with that got with semi-elliptical fitting method. The calculation results obtained with both methods show good consistency. When IVR equals to 0.6, the efficiency reaches a maximum value, about 0.943. And the hydraulic loss reaches a minimum value, about 0.76. In the whole IVR range, the relative error of efficiency between these two methods is less than 0.2%. The relative error of hydraulic loss of the inlet duct between these two methods is less than 1.3%. The calculating process and results show that this method is convenient to calculate efficiency and hydraulic loss of the waterjet propulsor inlet duct. It can be easily inserted into automatic optimization process of an inlet duct to improve thrust performance of vehicles equipped with waterjet propulsors.
语种英语
文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/15358
专题海洋信息技术装备中心
作者单位1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
2.University of Chinese Academy of Sciences, Beijing, China
推荐引用方式
GB/T 7714
Wang C,Hu ZQ,Lin Y,et al. A method to get capture area of a waterjet propulsor inlet duct based on grid filter weighting[C]. Piscataway, NJ, USA:IEEE,2014:1-4.
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