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基于船舶艉轴-油膜-艉部结构系统的碰撞载荷响应研究

董良雄 杨意 高军凯 龚雅萍

董良雄, 杨意, 高军凯, 龚雅萍. 基于船舶艉轴-油膜-艉部结构系统的碰撞载荷响应研究[J]. 中国舰船研究, 2017, 12(1): 122-127. doi: 10.3969/j.issn.1673-3185.2017.01.018
引用本文: 董良雄, 杨意, 高军凯, 龚雅萍. 基于船舶艉轴-油膜-艉部结构系统的碰撞载荷响应研究[J]. 中国舰船研究, 2017, 12(1): 122-127. doi: 10.3969/j.issn.1673-3185.2017.01.018
Liangxiong DONG, Yi YANG, Junkai GAO, Yaping GONG. Response mechanism of impact load based on marine shafting-oil film-stern structure system[J]. Chinese Journal of Ship Research, 2017, 12(1): 122-127. doi: 10.3969/j.issn.1673-3185.2017.01.018
Citation: Liangxiong DONG, Yi YANG, Junkai GAO, Yaping GONG. Response mechanism of impact load based on marine shafting-oil film-stern structure system[J]. Chinese Journal of Ship Research, 2017, 12(1): 122-127. doi: 10.3969/j.issn.1673-3185.2017.01.018

基于船舶艉轴-油膜-艉部结构系统的碰撞载荷响应研究

doi: 10.3969/j.issn.1673-3185.2017.01.018
基金项目: 

浙江省自然科学基金资助项目 LY16E090003

详细信息
    通信作者:

    董良雄(通信作者), 男, 1974年生, 博士, 副教授, 硕士生导师。研究方向:船舶轴系振动与润滑耦合研究。E-mail:dongliangxiong@163.com

  • 中图分类号: U664.2

Response mechanism of impact load based on marine shafting-oil film-stern structure system

知识共享许可协议
基于船舶艉轴-油膜-艉部结构系统的碰撞载荷响应研究董良雄,等创作,采用知识共享署名4.0国际许可协议进行许可。
  • 摘要: 船舶轴系的抗碰撞能力直接影响着其动力传递的稳定性,船舶的大尺度效应对碰撞载荷作用强度的影响也不容忽视。为此,建立基于艉轴-油膜-艉部结构系统的力学模型,研究艉轴在碰撞载荷作用下的平均冲击力、冲击振幅、轴心轨迹等参数的变化规律,分析由碰撞载荷和转速确定的轴系安全运行区域。结果表明:在不同转速区域,碰撞载荷的作用强度随载荷大小而变化的规律不同;在作用强度值一定的条件下,转速和载荷可拟合成相关曲线图谱,可以此对轴系承受碰撞载荷的能力进行快速评估。
  • 图  1  艉轴-油膜-艉部结构系统力学模型

    Figure  1.  The mechanical mode of shafting-oil film-stern structure

    图  2  圆盘运动模型

    Figure  2.  Model of single-disk motion

    图  3  碰撞截面简图

    Figure  3.  The diagram of collision section

    图  4  转速200 r/min时轴颈中心轨迹、振动幅值、油膜厚度响应图

    Figure  4.  Orbits of rotor center, impact amplitude and oil film thickness at speed of 200 r/min

    图  5  转速760,780和800 r/min时轴颈振动响应图

    Figure  5.  Vibration response at speed of 760, 780 and 800 r/min

    图  6  冲击振幅拟合曲线图

    Figure  6.  Fitted curves of the impact amplitude

    图  7  以冲击振幅为指标的评价图谱

    Figure  7.  Evaluation map taken impact amplitude as indexes

    表  1  不同转速、碰撞力下的冲击振幅表

    Table  1.   The impact amplitude at different rotation speeds and impact forces

    艉轴转速/(r.min-1) 不同碰撞载荷下的冲击振幅/mm
    12 kg 22 kg 32 kg 42 kg 52 kg 62 kg 72 kg 82 kg
    150 0.750 0.664 0.607 0.565 0.531 0.503 0.482 0.470
    250 0.757 0.690 0.656 0.640 0.647 0.712 0.805 0.827
    350 0.764 0.713 0.698 0.715 0.804 0.838 0.850 0.850
    450 0.770 0.734 0.734 0.791 0.842 0.857 0.836 0.831
    550 0.776 0.750 0.795 0.824 0.862 0.839 0.842 0.862
    650 0.782 0.762 0.792 0.840 0.860 0.821 0.853 0.876
    750 0.788 0.774 0.810 0.851 0.842 0.838 0.851 0.874
    850 0.790 0.777 0.816 0.857 0.835 0.844 0.869 0.854
    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-05-16
  • 网络出版日期:  2016-12-28
  • 刊出日期:  2017-01-07

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