主管单位:中国船舶重工集团公司
主办单位:中国舰船研究院、中国船舶信息中心
地址:北京市朝阳区科荟路55号院
邮编:100101
电话:010-83027274
传真:
E-Mail:
刊号:ISSN ISSN:1672-7649
        CN CN:11-1885/U
国内发行代号:
国际发行代号:
发行范围:国内外公开发布
定价:50元/册
定价:600元/年

您所在位置:首页->过刊浏览->2020年42卷10期



推力轴承轴向刚度对潜艇整艇结构振动与声辐射的影响
Effect on vibration and acoustic radiation of the whole submarine due to elastic coefficient of thrust bearing
王路才1, 周其斗2, 杨常青1
点击:98次 下载:0次
DOI:
作者单位:1. 海军大连舰艇学院 航海系,辽宁 大连 116018;
2. 海军工程大学 舰船与海洋学院,湖北 武汉 430033
中文关键字:推力轴承;流固耦合;振动;辐射噪声
英文关键字:thrust bearing; fluid-structural interaction; vibration; acoustic radiation
中文摘要:针对螺旋桨轴向激励力引起的潜艇结构辐射噪声,在Suboff试验艇模型的基础上,建立包含螺旋桨和轴系结构实体单元的整艇结构模型,为了在激励力和振动传递的路径上采取减振降噪措施并预估其减振降噪效果,在推力轴承内部设置了轴向减振器,通过计算减振器具有不同轴向刚度时潜艇结构的振动和声辐射特性,分析了推力轴承轴向刚度对对潜艇结构振动与声辐射的影响;同时采用质量-弹簧-阻尼系统对轴系纵振模型进行简化,计算了轴系纵振第1阶固有频率,通过与潜艇结构振动与声辐射频响曲线的对比,进一步分析了推力轴承轴向刚度对潜艇结构振动与声辐射的影响规律。得出结论:降低推力轴承轴向减振器刚度,可使轴系纵振第1阶固有频率向低频移动,并使轴系纵振第一阶固有频率附近及以下频段结构振动增大;在中高频段,降低减振器轴向刚度能够明显减小潜艇结构的振动和声辐射,且减振器轴向刚度越低,减振降噪效果越好。
英文摘要:Aiming at the propeller noise which is caused by axial excited force, based on the form of SUBOFF, the propeller--shafting--hull interaction model is established. To adopt measures and predict the effect of shock absorption and noise reduction in the transmission path of the axial excited force, the axial shock absorber is installed inside the thrust bearing. Through calculating the vibration and sound radiation characteristics of submarine structures with different stiffness of shock absorbers, the influence of absorber’s elastic coefficient to the vibroacoustic of the overall submarine is mainly considered. Simultaneous, the mass-spring-damping systems are taken to simplify the longitudinal vibration model of the shafting. Through calculating the shafting’s first order longitudinal vibration natural frequencies, and comparing with the whole submarines’ vibroacoustic curves, the practicability of predict the effect regularity on acoustic radiation of the whole submarine due to absorber’s elastic coefficient is analyzed. It is demonstrated that reducing the elastic coefficient of thrust bearing can lead the shafting’s first order longitudinal vibration natural frequencies lower, and the submarine’s vibration lever at and under this frequencies higher; at middle and high frequency ranges, reducing the elastic coefficient of thrust bearing can clearly lead the submarine’s vibration and acoustic radiation lower, and the elastic coefficient lower, the effect of the shock absorption and noise reduction better.
2020,42(10): 6-10 收稿日期:2019-05-11
DOI:10.3404/j.issn.1672-7649.2020.10.002
分类号:U674.76
基金项目:装备预先研究项目
作者简介:王路才(1986-),男,博士,讲师,研究方向为舰艇隐身技术
参考文献:
[1] 李生, 曾文德, 马建军, 等. 潜艇螺旋桨直接辐射噪声的数值计算[J]. 武汉理工大学学报(交通科学与工程版), 2014, 38(6): 1321-1324
LI Sheng, ZENG Wende, MA Jianjun, et al. Numerical calculation of the directly radiated noise of propeller behind submarine[J]. Journal of Wuhan University of Technology (Transportation Science & Engineering), 2014, 38(6): 1321-1324
[2] 张国良, 俞翔, 何其伟, 等. 舰船异常噪声振动的识别和消除研究[J]. 噪声与振动控制, 2018, 38(3): 115-119
ZHANG Guoliang, YU Xiang, HE Qiwei, etal. Study on the identification and elimination of abnormal noise and vibration of warships[J]. Noise and Vibration Control, 2018, 38(3): 115-119
[3] 杨光, 房毅, 冯鹏飞. 船用大侧斜螺旋桨的噪声计算与分析[J]. 舰船科学技术, 2018, 40(1): 46-51
YANG Guang, FANG Yi, GENG Pengfei. Calculation and analysis of marine highly skewed propeller noise[J]. Ship Science and Technology, 2018, 40(1): 46-51
[4] 张成, 张大海, 魏强. 螺旋桨非空泡噪声数值计算方法研究[J]. 舰船科学技术, 2016, 38(5): 21-25
ZHANG Cheng, ZHANG Dahai, WEI Qiang. Numeric simulation of non-cavatation propeller noise[J]. Ship Science and Technology, 2016, 38(5): 21-25
[5] 谢基榕, 沈顺根, 吴有生. 推进器激励的艇体辐射噪声及控制技术研究现状[J]. 中国造船, 2010, 51(4): 234-241
XIE Ji-rong, SHEN Shun-gen, WU You-sheng. Research status on noise radiation from vibrating hull induced by propeller and reduction measures[J]. Ship Building of China, 2010, 51(4): 234-241
[6] 俞强, 王磊, 刘伟. 舰船推进轴系的螺旋桨激励力传递特性[J]. 中国舰船研究, 2015, 10(6): 81-86, 94
YU Qiang, WANG Lei, LIU Wei. Transmission characteristics of propeller excitation for naval marine propulsion shafting[J]. Chinese Journal of Ship Research, 2015, 10(6): 81-86, 94
[7] 曹贻鹏, 张文平. 轴系纵振对双层圆柱壳体水下声辐射的影响研究[J]. 船舶力学, 2007, 11(2): 293-299
CAO Yi-peng, ZHANG Wen-ping. A study on the effects of the longitudinal vibration of shafting on acoustic radiation from underwater double cylindrical shell[J]. Journal of Ship Mechanics, 2007, 11(2): 293-299
[8] 李栋梁. 轴系-艇体耦合系统振动声辐射分析与实验研究[D]. 上海: 上海交通大学, 2012.
LI Dong-liang. Analysis and experiment on vibration and acoustic radiation of the shafting-hull coupled system[D]. Shanghai: Shanghai Jiao Tong University, 2012.
[9] 王路才, 周其斗, 杨常青. 后艉轴承刚度对潜艇结构振动与声辐射的影响[J]. 中国舰船研究, 2018, 13(1): 17-23
WANG Lu-cai, ZHOU Qi-dou, YANG Chang-qing. Influence of stiffness constant of stern bearing on vibration and acoustic radiation of whole submarine[J]. Chinese Journal of Ship Research, 2018, 13(1): 17-23
[10] 王路才, 周其斗, 纪刚. 加肋有限圆柱壳体的边界条件对其振动和声辐射的影响[J]. 船舶力学, 2013, 17(5): 559-566
WANG Lu-cai, ZHOU Qi-dou, JI Gang. Effect on acoustic radiation of ribbed cylindrical shell due to boundary conditions[J]. Journal of Ship Mechanics, 2013, 17(5): 559-566
[11] 纪刚, 张纬康, 周其斗. 静水压力作用的水下结构振动与声辐射[J]. 中国造船, 2006, 47(3): 37-44
JI Gang, ZHANG Wei-kang, ZHOU Qi-dou. Vibration and radiation from underwater structure considering the effect of static water preload[J]. Ship Building of China, 2006, 47(3): 37-44
[12] ZHOU Qi-dou, JOSEPH P F. A numerical method for the calculation of dynamic response and acoustic radiation from an underwater structure[J]. Journal of Sound and Vibration. 2005(283): 853-873.
读者评论

      读者ID: 密码:   
我要评论:
国内统一连续出版物号:CN:11-1885/U |国内发行代码: |国际标准出版物号:ISSN:1672-7649 |国际发行代码:
主管单位:中国船舶重工集团公司  主办单位:中国舰船研究院、中国船舶信息中心
版权所有©2020舰船科学技术》编辑部 京ICP备11013578号
本系统由北京菲斯特诺科技有限公司设计开发 技术支持
您是本站第2275892名访问者