Modeling and Evaluation of Vibration Isolation System of Ship Diesel Engine

被引：0
|
作者：
Jia R. [1 ,2 ]
Niu J. [1 ,3 ]
Guo J. [1 ]
机构：
[1] School of Mechanical Engineering, Shandong University, Jinan
[2] Jinan Guoke Medical Engineering Technology Development Company Limited, Jinan
[3] Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Shandong University, Jinan
来源：
Neiranji Xuebao/Transactions of CSICE (Chinese Society for Internal Combustion Engines) | 2023年 / 41卷 / 04期
关键词：
diesel engine; force level difference; moving frame method; multi-stage vibration isolation system;
D O I：
10.16236/j.cnki.nrjxb.202304044
中图分类号：
学科分类号：
摘要：
In order to reduce the vibration of the internal combustion engine in ships，the internal combustion engine and its auxiliary equipment are installed in multi-stage vibration isolation system. The modeling of the multistage vibration isolation system is carried out by moving frame method(MFM)，which is adapt to describe the various motions of the vibration foundation and simplify the complexity of the dynamic equation. Aiming at the complex vibration isolation system with multiple supports，the force level difference is defined based on the transfer force，which is used for evaluating the isolation performance of the vibration isolation system in the theoretical calculation and designing. The influences of ship motions on the performance of vibration isolation system are studied. The results show that the isolation performance of the vibration isolation system is significantly affected by the motion state of the ship. With the increasing of the amplitude or frequency of the ship vibration motion，the vibration isolation efficiency of the vibration isolation system will become worse. The influence of ship rolling or pitching on the vibration isolation performance is more complex than that of heaving. © 2023 Chinese Society for Internal Combustion Engines. All rights reserved.
引用
收藏
页码：376 / 383
页数：7
相关论文
共 19 条
  • [1] 22, 3, pp. 252-256, (2004)
  • [2] Kim Y G，, Lee M S，, Cho K H，, Et al., Effects of a turbocharger cut out system on vibration characteristics of a propulsion shafting system and a large low speed marine diesel engine[J], Journal of Mechanical Science and Technology, 31, 8, pp. 3737-3745, (2017)
  • [3] Yang T, ，Wu L，Li X，et al. Combining active control and synchrophasing for vibration isolation of a floating raft system：An experimental demonstration[J], Journal of Low Frequency Noise ， Vibration and Active Control, 40, 2, pp. 1105-1114, (2020)
  • [4] Wang J，, Kapitaniuk I A，, Chepinskiy S A，, Et al., Geometric path following control in a moving frame[J], IFAC-PaperOnline, 48, 11, pp. 150-155, (2015)
  • [5] Serge L., Fundamentals of differential geometry[M], pp. 22-65, (2012)
  • [6] Pavic G., Analysis of vibration reduction by damping using simple analytical modelling[J], Shock and Vibration, 2018, (2018)
  • [7] 36, 2, pp. 173-181, (2018)
  • [8] Sun S., Determination of isolator transfer matrix and insertion loss with application to spring mounts [D], (2015)
  • [9] Leger M，, McPhee J., Selection of modeling coordinates for forward dynamic multibody simulations[J], Multibody System Dynamics, 18, 2, pp. 277-297, (2007)
  • [10] Shabana A A., Dynamics of multibody systems[M], pp. 28-35, (2020)
12