阻流板对双桨船阻力和伴流场影响数值研究

doi:10.16183/j.cnki.jsjtu.2019.08.010

上海交通大学学报 ›› 2019, Vol. 53 ›› Issue (8): 957-964.doi: 10.16183/j.cnki.jsjtu.2019.08.010

阻流板对双桨船阻力和伴流场影响数值研究

宋科委，郭春雨，龚杰，李平，王伟

哈尔滨工程大学船舶工程学院，哈尔滨 150001

出版日期:2019-08-28 发布日期:2019-09-10
通讯作者: 郭春雨，男，教授，博士生导师，电话(Tel.): 15046051672；E-mail: guochunyu_heu@outlook.com.
作者简介:宋科委，（1991-），男，山东省菏泽市人，博士生，主要从事船舶推进与节能研究.
基金资助:
国家自然科学基金(51379043, 51209048, 51409063)，高技术船舶科研项目工信部联装［2016］26号

Numerical Study on the Effect of Interceptors on the Resistance and Wake Field of Twin-Screw Ship

SONG Kewei,GUO Chunyu,GONG Jie,LI Ping,WANG Wei

College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China

Online:2019-08-28 Published:2019-09-10

摘要/Abstract

摘要： 基于RANS(Reynolds-averaged Navier-Stokes)方法针对安装了3种不同深度阻流板的DTMB5415船模进行数值计算，以研究阻流板对船舶阻力以及伴流场的影响.分析了安装阻流板前后的船舶水动力性能，并探讨了船艉波形、船身压力以及轴向标称伴流场的变化.研究结果表明：阻流板的安装能够降低DTMB5415的阻力，平均减阻率可达 4.19%；船体虚长度的增加以及方尾船尾流场的改善是船模总阻力降低的主要原因；阻流板的安装增大了船舶尾部的边界层厚度以及轴向标称伴流，当弗劳德数Fr＝0.35 时，d/LPP=0.0015(d为阻流根深度，LPP为船长)的桨盘面平均伴流分数增大了 11.9%.

关键词: 阻流板；伴流分数；双桨船；船舶阻力

Abstract: Numerical calculation of DTMB5415 ship model with three different depth interceptors were carried out based on RANS（Reynolds-averaged Navier-Stokes） method in order to study the influence of interceptors on the ship resistance and wake field. The hydrodynamic performance of the ship with and without interceptor was analyzed in detail. Meanwhile, the variation of stern waveform, the hull pressure and the axial flow field were discussed. The results shown that the installation of interceptor could reduce the resistance of DTMB5415, and the average drag reduction rate could reach 4.19%. The increase of the virtual length of the hull and the improvement of the tail flow field of the transom stern ship reduced the wave making resistance, which was the main reason for the decrease of the total resistance. The existence of interceptor increased the boundary layer thickness at the ship stern and the axial nominal wake, meanwhile, the average wake fraction at the propeller disk increased by 11.9% when Fr=0.35 and d/LPP=0.0015, where Fr is Froude rumber, d is the depth of the spoiler and LPP is the length of the ship.

Key words: interceptor; wake fraction; twin-screw ship; ship resistance

中图分类号:

U 661

宋科委，郭春雨，龚杰，李平，王伟. 阻流板对双桨船阻力和伴流场影响数值研究[J]. 上海交通大学学报, 2019, 53(8): 957-964.

SONG Kewei,GUO Chunyu,GONG Jie,LI Ping,WANG Wei. Numerical Study on the Effect of Interceptors on the Resistance and Wake Field of Twin-Screw Ship[J]. Journal of Shanghai Jiaotong University, 2019, 53(8): 957-964.

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阻流板对双桨船阻力和伴流场影响数值研究

Numerical Study on the Effect of Interceptors on the Resistance and Wake Field of Twin-Screw Ship

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