气泡辅助系统碎冰区减阻特性船模试验研究  

Experimental study on resistance reduction characteristic of model ship in brash ice region using air bubbling system

作　　者：吴刚[1,2] 刘昕[3] 倪宝玉 郭鹏杰[4] WU Gang;LIU Xin;NI Baoyu;GUO Pengjie(School of Naval Architecture,Ocean&Civil Engineering,Shanghai Jiao Tong University,Shanghai 200030,China;Marine Design&Research Institute of China,Shanghai 200011,China;Unit 92942 of PLA,Beijing 100161,China;College of Shipbuilding Engineering,Harbin Engineering University,Harbin 150001,China)

机构地区：[1]上海交通大学船舶海洋与建筑工程学院,上海200030 [2]中国船舶及海洋工程设计研究院,上海200011 [3]中国人民解放军92942部队,北京100161 [4]哈尔滨工程大学船舶工程学院,黑龙江哈尔滨150001

出　　处：《华中科技大学学报（自然科学版）》2022年第4期83-89,共7页Journal of Huazhong University of Science and Technology(Natural Science Edition)

基　　金：国家自然科学基金资助项目(51979051,51979056,52192690,52192693)。

摘　　要：为了研究气泡辅助系统降低船模碎冰区阻力的机理及效果,采用非冻结模型冰,在室外冰水池内开展了一系列船模拖曳试验,分别对不同碎冰密集度、不同船模航速及不同通气量参数下的阻力特性变化规律展开研究.试验结果表明:当该气泡辅助系统工作时,船体两侧的碎冰会受到气泡上浮及气水混合流的作用,发生翻转并向远离船体方向运动,在船体与碎冰之间形成一条无冰带,在该范围内几乎没有船体与碎冰的相互接触,以此达到降低阻力的效果;船模开启气泡辅助系统后的减阻率受碎冰密集度、航速、通气量三者共同影响,减阻率总趋势是随通气量的增加而增加,且该系统在低碎冰密集度、低航速工况下的减阻效果更好.To study the mechanism and effect of air bubbling system to reduce the resistance of ship model in brash ice region,a series of towing tests of ship model were carried out in an outdoor ice tank with non-frozen model ice.The changes law of resistance characteristics under different brash ice concentration,different speed and different ventilation parameters were studied.Test results show that when the air bubbling system works,the brash ice on both sides of the hull are overturned and move away from the hull under the action of bubble floating and air-water mixed flow,forming an ice-free zone between the hull and brash ice,and there is almost no contact between the hull and brash ice in this range,achieving the effect of reducing resistance.The drag reduction rate of ship model after opening the air bubbling system is affected by brash ice concentration,speed and ventilation.The overall trend of drag reduction rate increases with the increase of ventilation rate,and the drag reduction effect of the system is better under the condition of low brash ice concentration and low speed.

关 键 词：极地破冰船 气泡辅助系统 非冻结模型冰 碎冰阻力 阻力试验 

分 类 号：U661.73[交通运输工程—船舶及航道工程]