偏载工况下水润滑艉轴承支承特性分析

doi:10.3901/JME.2025.19.126

机械工程学报 ›› 2025, Vol. 61 ›› Issue (19): 126-136.doi: 10.3901/JME.2025.19.126

• 摩擦学 • 上一篇

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偏载工况下水润滑艉轴承支承特性分析

解忠良^1,2, 张昊¹, 田佳彬³, 杨康⁴, 杨铭⁵

1. 西北工业大学工程力学系西安 710072;
2. 西北工业大学深圳研究院深圳 518063;
3. 武汉第二船舶设计研究所武汉 430205;
4. 中国兵器工业集团公司第二一三研究所西安 710000;
5. 中国船舶及海洋工程设计研究院上海 200011

收稿日期:2024-08-10 修回日期:2025-04-24 发布日期:2025-11-24
作者简介:解忠良，男，1988年出生，博士，教授。主要研究方向为水润滑轴承润滑机理。E-mail：zlxie@nwpu.edu.cn
基金资助:
国家自然科学基金(52105205)和广东省基础与应用基础研究基金(2024A1515010406，2022A1515010864)资助项目。

Investigation on Bearing Performances of Water-lubricated Stern Bearing under Misaligned Conditions

XIE Zhongliang^1,2, ZHANG Hao¹, TIAN Jiabin³, YANG Kang⁴, YANG Ming⁵

1. Department of Engineering Mechanics, Northwestern Polytechnical University, Xi'an 710072;
2. Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518063;
3. Wuhan Second Ship Design and Research Institute, Wuhan 430205;
4. The 213th Research Institute of China Ordnance Industry, Xi'an 710000;
5. Marine Design & Research Institute of China, Shanghai 200011

Received:2024-08-10 Revised:2025-04-24 Published:2025-11-24

摘要/Abstract

摘要： 针对舰船水润滑艉轴承在偏载工况下支承特性开展了研究，建立了偏载工况下水润滑轴承界面润滑模型，发展了偏载工况下艉轴承综合支承刚度计算方法，阐明了偏载角、间隙比与起飞速度、支承刚度及最小水膜厚度之间映射关系，揭示了偏载工况下艉轴承结构参数对于综合支承特性影响机制。研究结果表明，相比于无偏载工况，轴颈的偏载增大了艉轴承润滑界面临界起飞速度，且增幅较大；偏载角度的大小与艉轴承综合支承刚度呈正相关关系。研究成果为舰船推进系统水润滑艉轴承支承刚度及动态响应计算分析提供了理论支撑。

关键词: 水润滑艉轴承, 偏载工况, 综合支承刚度, 最小水膜厚度, 临界起飞速度

Abstract: This article conducts research on the support characteristics of ship water lubricated stern bearings under misaligned load conditions. The lubrication model of bearing is established. The calculation method of comprehensive bearing stiffness of stern bearing under partial load condition is developed. The mapping relationship between partial load angle, clearance ratio and takeoff speed, support stiffness and minimum water film thickness is clarified. The mechanism by which the structural parameters of the stern bearing affect the comprehensive support characteristics under eccentric load conditions is revealed. The results show that compared with the unbiased load, the critical takeoff speed of the lubrication interface of stern bearing, and increases greatly; The magnitude of the deflection angle is positively correlated with the comprehensive support stiffness of the stern bearing. The research results provide theoretical support for the calculation and analysis of support stiffness and dynamic response of water lubrication stern bearing in ship propulsion system.

Key words: water lubrication stern bearing, misaligned conditions, comprehensive support stiffness, minimum water film thickness, lift-off speed

中图分类号:

TH133

解忠良, 张昊, 田佳彬, 杨康, 杨铭. 偏载工况下水润滑艉轴承支承特性分析[J]. 机械工程学报, 2025, 61(19): 126-136.

XIE Zhongliang, ZHANG Hao, TIAN Jiabin, YANG Kang, YANG Ming. Investigation on Bearing Performances of Water-lubricated Stern Bearing under Misaligned Conditions[J]. Journal of Mechanical Engineering, 2025, 61(19): 126-136.

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偏载工况下水润滑艉轴承支承特性分析

Investigation on Bearing Performances of Water-lubricated Stern Bearing under Misaligned Conditions

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