为了提高某型船的操纵性,以提高升力系数为目标,综合考虑布置、强度和可加工性因素,对其舵系进行优化设计;应用CFD方法,模拟舵系在不同攻角下的三维流场,分析翼型最大厚度位置、加装制流板措施以及随边高效化设计对舵效的影响,得到舵效较优的设计方案。在此基础上,通过模型试验对比优化前后的舵系水动力性能,结果表明,采用高效能措施设计得到的舵系,在相同舵角下具有较高的升力系数。
In order to improve the maneuverability, the optimization design of a rudder aimed at improving lift coefficient was carried out, based on comprehensive consideration of rudder’s arrangement, strength and Machinability. The computational fluid dynamics method was adopted to predict the hydrodynamic performance of the rudder at different attack angles. The effect of the maximum thicion of airfoil, swash plate and effective trailing edge was investigated, and the optimized rudder design scheme was obtained. With comparing the model test results of optimized and primary rudder, the results show that the optimized rudder has higher lift coefficient at the same rudder angle.
2021,43(10): 51-56 收稿日期:2020-10-12
DOI:10.3404/j.issn.1672-7649.2021.10.012
分类号:U661.3
基金项目:工信部高技术船舶科研项目(工信部联装[2016]547号)
作者简介:李邦华(1992-),男,硕士,工程师,主要从事船舶总体设计工作
参考文献:
[1] 林浩东. 49500载重吨散货船襟翼舵的性能优势[J]. 江苏船舶, 2017, 34(2): 17–18+21
[2] 黎峰, 胡红斌, 李邦华, 等. 高性能舵的发展及技术现状[J]. 中国舰船研究, 2020, 15(3): 61–74
[3] LIU J, HEKKENBERG R. Sixty years of research on ship rudders effects of design choices on rudder performance[J]. Ships and Offshore Structures, 2017, 12(4): 495–512
[4] ZAKY M, SANO M, YASUKAWA H. Improvement of maneuverability in a VLCC by a high lift rudder[J]. Ocean Engineering, 2018, 165(OCT. 1): 438–449
[5] 欧礼坚, 马梓聪. 制流板舵的水动力性能分析与实船应用[J]. 广东造船, 2017(4)
[6] LAUNDER B E, SPALDING D B. Lectures in Mathematical Models of Turbulence[M]. London: Academic Press, 1972.
[7] 李邦华, 黎峰, 晋文菊, 等. 边界层网格尺度对高效舵水动力数值计算的影响[J]. 舰船科学技术, 2020, 42(3): 25–28