CAJ | 학술논문

针对一艘四桨推进的船舶，采用CFD数值仿真方法，分别模拟内、外桨位置变化后主船体及螺旋桨周围的流场，分析螺旋桨的布局，尤其是内、外桨横向、纵向距离的变化对螺旋桨推力系数、转矩系数、以及敞水效率的影响，提出船舶四桨布局的优化方向，给出四桨船布局优化的建议。
침대일소사장추진적선박，채용CFD수치방진방법，분별모의내、외장위치변화후주선체급라선장주위적류장，분석라선장적포국，우기시내、외장횡향、종향거리적변화대라선장추력계수、전구계수、이급창수효솔적영향，제출선박사장포국적우화방향，급출사장선포국우화적건의。
CFD method was employed to simulate the flow field while the position of inner and outer propellers was changed . The influence of propellers distribution on hydrodynamic performance , especially the influence on thrust coefficient , torque coeffi-cient and open water efficient was analyzed .Optimization principles of propellers distribution were presented .And some advices on propellers distribution were presented .