三体槽道滑行艇阻力模型试验研究  

Experimental study on resistance performance of a channel type planing trimaran model

作　　者：苏玉民[1] 王硕[1] 沈海龙[1] 

机构地区：[1]哈尔滨工程大学水下智能机器人国防重点实验室,黑龙江哈尔滨150001

出　　处：《哈尔滨工程大学学报》2013年第7期832-836,共5页Journal of Harbin Engineering University

基　　金：国家自然科学基金资助项目(510090384)

摘　　要：为准确评估三体槽道滑行艇的水动力性能,研究该船型的阻力特性和船型特征,对该船型进行了阻力模型试验研究.在不同排水量和重心纵向位置处进行多次拖曳阻力试验,监测其阻力值、重心升沉和纵倾角,研究了重心位置和排水量对该船型阻力性能的影响.试验结果表明:该三体槽道滑行艇有较高的承载能力且具备独特的阻力特性,当航速持续增大越过高速阻力峰时,由于气动力与水动力综合作用船体被抬升,吃水减小导致阻力值发生明显回落,且阻力峰出现的航速与重心纵向位置和排水量大小均相关.In order to estimate the hydrodynamic characters and resistance performance of the channel type planing trimaran accurately, this paper presents a resistance experimental study based on a planing trimaran ship model. A series of towing resistance model tests were conducted to analyze the resistance, trim angles and heave motions with different displacements and gravity center positions. The influence of gravity center position and displacement on re- sistance performance of the ship model was studied. The findings indicate that the channel type planing trimaran has large displacement and unique resistance characters. When sailing speed is inc speed resistance peak, the combined effects of aerodynamic and hydrodynamic reasingly rising and exceeds the high- uplift the hull, draft of the ship to decrease and the resistance to decline rapidly. The sailing speed of the peak occurring is related to both the displacements and longitudinal gravitv centers. obviously causing the high-speed resistance

关 键 词：三体槽道滑行艇 排水量 重心纵向位置 阻力性能 模型试验 阻力峰 

分 类 号：U661.313[交通运输工程—船舶及航道工程]