基于CFD的船-舵水动力干扰数值研究  

CFD-based numerical study on the hull-rudder hydrodynamic interaction

作　　者：许辉[1] 麻绍钧[2,3] 

机构地区：[1]中国舰船研究设计中心,湖北武汉430064 [2]上海交通大学船舶海洋与建筑工程学院,上海200240 [3]挪威科技大学海洋技术系

出　　处：《水动力学研究与进展（A辑）》2017年第3期273-281,共9页Chinese Journal of Hydrodynamics

基　　金：国家自然科学基金(51179019;51309152)~~

摘　　要：该文采用基于RANS方程求解的CFD方法,对匀速直航的船-舵系统的黏性绕流场进行数值模拟,计算了不同船速和不同舵角下的船-舵水动力干扰系数,计算中忽略了自由面兴波及螺旋桨的影响。文中以KVLCC1船、舵模型为研究对象,首先将数值计算的船舶水动力及船-舵水动力干扰系数结果与模型试验数据进行比较,验证了所采用数值方法的有效性;随后,对船-舵系统、裸船体和敞水舵分别进行计算,通过水动力计算结果的比较以及流场分析,对船-舵水动力相互作用进行了数值研究。By applying CFD method based on solving the RANS equations, the viscous flow around a hull-rudder system moving straight ahead with a constant speed is numerically simulated, and the coefficients of hull-rudder hydrodynamic interaction at different ship speeds and rudder angles are calculated. The influences of free surface elevation and propeller are neglected in the simulation. The models of KVLCC1 hull and rudder are chosen as the study object. Firstly, the numerical method is validated by comparing the calculated hydrodynamic forces and coefficients of hull-rudder hydrodynamic interaction with experimental data; and then computations are conducted for the hull-rudder system, the unappended ship and the open-water rudder, respectively. The numerical results of hydrodynamics are compared and the flow fields are analyzed to investigate the hull-rudder hydrodynamic interaction.

关 键 词：船舶操纵性 船-舵水动力干扰 数值模拟 

分 类 号：U661.3[交通运输工程—船舶及航道工程]