摘要
冰对螺旋桨的碰撞是一个非常复杂的过程,经常导致螺旋桨桨叶发生变形和损坏,影响了船舶的航行安全。为了研究螺旋桨-冰的切削和碰撞,本文在空气中和水中分别开展了不同模型冰推送速度、切削深度、螺旋桨转速和进速系数下螺旋桨-冰的切削试验,测量了螺旋桨的推力和扭矩。试验结果表明:螺旋桨-冰在空气中切削时,切削深度越深,螺旋桨的推力越小,扭矩越大;模型冰推送速度越快,螺旋桨的推力和扭矩越大。螺旋桨-冰在水中切削时,切削深度越深,螺旋桨的推力和扭矩越大;模型冰推送速度的变化对螺旋桨推力和扭矩的影响很小;螺旋桨-冰之间的距离减小时,螺旋桨的推力和扭矩并不是恒定增加的。
The collision of ice on a propeller is a very complicated occurrence,which often leads to deformation and damage of propeller blades,and affects the navigation and safety of a ship. To study propeller-ice milling and collision,in this paper,milling tests of propeller-ice were separately carried out in air and water with different pushing speeds,milling depth of model ice,revolution speeds,and advance coefficients of propeller. The thrust and torque of the propeller were measured. The results show that in the process of propeller-ice milling in air,the deeper the milling depth,the smaller the thrust,and the greater the torque. Furthermore,when the pushing speed of the model ice was faster,the thrust and torque of the propeller were greater. During propeller-ice milling in water,the deeper the milling depth,the greater the thrust and torque of the propeller. With a change in the pushing speed of the model ice,the increment of the thrust and torque of the propeller is not obvious,and they do not constantly increase when the distance between the propeller and ice reduces.
作者
郭春雨
徐佩
赵大刚
骆婉珍
宋妙妍
GUO Chunyu;XU Pei;ZHAO Dagang;LUO Wanzhen;SONG Miaoyan(College of Shipbuilding Engineering,Harbin Engineering University,Harbin 150001,China)
出处
《哈尔滨工程大学学报》
EI
CAS
CSCD
北大核心
2018年第7期1172-1178,共7页
Journal of Harbin Engineering University
基金
国家自然科学基金项目(41176074
51209048
51379043
51409063)
工信部高技术船舶科研项目(G014613002)
哈尔滨工程大学青年骨干教师支持计划(HEUCFQ1408)
