船舶管路系统振动噪声控制问题依然有待解决,极大影响船舶的声学性能。本文通过实船测试和理论分析提出一种新的管路系统被动控制技术。首先对调谐质量阻尼器进行理论建模,分析了质量比、阻尼因子、频率比等调谐质量阻尼器参数对其性能的影响;然后通过船管路系统振动测试确定了重点控制对象和重点控制频率,并据此对调谐质量阻尼器进行参数优化和结构设计;最后通过有限元分析软件Ansys进行了振动抑制效果的验证,结果表明管路系统振动被有效抑制。
The vibration and noise control of the pipe system remains a challenging problem, which significantly affects their acoustic stealth property of ships. The current paper proposes a novel passive control technique of the pipe system by real boat test and theoretical modeling. The analytical model of the tuned mass damper is established, and effects of damper parameters (e.g. mass ratio, damping factor and frequency ratio) on vibration absorbing property are clarified. Then vibration test of the pipe system is conducted to identify the key objects and frequencies that need controlling, based on which the parameters of the damper are optimized and its structure design is carried out. The noise reduction effect of the tuned mass damper is verified by finite element analyses using Ansys, which shows the pipe system vibration is effectively suppressed.
2018,40(7): 52-57 收稿日期:2017-09-08
DOI:10.3404/j.issn.1672-7649.2018.07.010
分类号:TB53
作者简介:梁师清(1969-),男,研究员,研究方向为船舰总体建造技术
参考文献:
[1] 程广福, 张文平, 柳贡民, 等. 船舶水管路噪声及其控制研究[J]. 噪声与振动控制, 2003, 31(2):31-33.CHENG Guang-fu, ZHANG Wen-ping, LIU Gong-min, et al. The Liquid-born noise and its control in water pipelines of ships[J]. Nosie and Vibration Control, 2003, 31(2):31-33.
[2] 洪荣晶, 姚慧珠. 控制管道振动用耦合阻尼器的动柔度优化设计方法[J]. 机械科学与技术, 1998, 27(1):14-16.HONG Rong-jing, YAO Hui-zhu. Method for optimum designing dynamic flexibility of coupled damper for controlling pipe vibration[J]. Mechanical Science and Technology for Aerospace Engineering, 1998, 27(1):14-16.
[3] 曾胜, 任意, 程涛涛, 等. 利用调谐质量阻尼器进行管路系统减振[J]. 振动、测试与诊断, 2012, 32(5):823-826.ZENG Sheng, REN Yi, CHENG Tao-tao, et al. Vibration suppression of pipe system with tuned mass damper[J]. Journal of Vibration, Measurement and Diagnosis, 2012, 32(5):823-826.
[4] 季文美. 机械振动[M]. 北京:科学出版社. 1985. 6.JI Wen-mei. Mechanical vibration[M]. Beijing:China Science Publishing. 1985.
[5] J. M. HOWARD, M. P. NORTON and B. J. STONE. A coincidence damper for reducing pipe wall vibration in piping systems with disturbed internal turbulent flow[J]. Journal of Sound and Vibration, 1987, 113(2):377-393.
[6] K. W. NG. Ring damper for structureborne noise suppression in piping systems[J]. US, 1994, 32(4B):27-41.
[7] 吴英友, 邢维升, 朱显明, 等. 某型离心水泵振动特性分析[J]. 中国舰船研究, 2008, 3(1):51-54.WU Ying-you, XING Wei-jun, ZHU Xian-ming, et al. Study on vibration characteristic of centrifugal pump[J]. Chinese Journal of Ship Research, 2008, 3(1):51-54.
[8] 同长虹, 张小栋. 调谐质量阻尼器参数优化及其应用[J]. 振动、测试与诊断, 2007, 27(2):146-149.TONG Chang-hong, ZHANG Xiao-dong. Parameter optimization of toned mass dampers and its application to bridge vibration[J]. Journal of Vibration, Measurement and Diagnosis, 2007, 27(2):146-149.
[9] 李俊, 金咸定, 王宏. 减小船体艉部振动的调谐质量阻尼器研究[J]. 中国造船, 2001, 42(2):69-74.LI Jun, JIN Xian-ding, WANG Hong. Research on dynamic absorber for reducing vibration of ship stern[J]. Shipbuilding of China, 2001, 42(2):69-74.
[10] TSAI H C, LIN G C. Explicit formulae for optimum absorber parameters for force excited and viscously damped systems[J]. Journal of Sound and Vibration, 1994, 176(5):585-596.