

China Mechanical Engineering ›› 2026, Vol. 37 ›› Issue (10): 2528-2539.DOI: 10.3969/j.issn.1004-132X.2026.10.016
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LIU Shihao1,2(
), QIU Na1,2, LIN Mao1
Received:2025-12-26
Online:2026-10-25
Published:2026-11-10
Contact:
LIU Shihao
通讯作者:
刘世豪
作者简介:刘世豪*(通信作者),男,1981年生,教授、博士研究生导师。研究方向为机械优化设计、风电设备可靠性。获省部级科技奖2项。E-mail:liushihao1102@126.com。
基金资助:CLC Number:
LIU Shihao, QIU Na, LIN Mao. Research Status and Prospects on Failure Mechanisms of Wind Turbine Transmission Systems in Tropical Offshore Environments[J]. China Mechanical Engineering, 2026, 37(10): 2528-2539.
刘世豪, 邱娜, 林茂. 热带海洋环境下风电设备传动系统失效机理研究现状与展望[J]. 中国机械工程, 2026, 37(10): 2528-2539.
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URL: https://www.cmemo.org.cn/EN/10.3969/j.issn.1004-132X.2026.10.016
| 理论方向 | 现有研究水平 | 理论瓶颈 | 核心难点 | 数据需求 |
|---|---|---|---|---|
| 力学-波浪耦合载荷建模 | 独立场载荷模型,叠加仿真误差15% | 台风-波浪非平稳耦合时频建模 | 高风速(60 m/s)与高波高(4 m)非线性叠加 | 台风-波浪同步实测(≥3年,12级以上台风) |
| 波浪-化学场耦合系数 | 定性分析波浪加速盐雾 渗透 | 波浪对盐雾分布的系数量化 | 高波高(4 m)下盐雾扩散仿真 | 不同海况盐雾浓度分布(≥2年) |
| 倾角-接触应力关联 | 仿真倾角15°应力增25%,无试验 | 倾角与轴承应力分布定量关系 | 偏载下轴承接触力学非线性(高盐雾致腐蚀) | 不同倾角轴承应力实测(≥10组工况) |
| 浮式润滑失效预测 | 固定式模型修正,误差20% | 波浪-倾角-润滑耦合 模型 | 倾角15°润滑油分布不均+波浪载荷协同 | 不同“倾角+波高”润滑性能试验(≥15组) |
Tab.1 Bottlenecks and data demands of five-field coupling theory of floating wind turbine in South China Sea
| 理论方向 | 现有研究水平 | 理论瓶颈 | 核心难点 | 数据需求 |
|---|---|---|---|---|
| 力学-波浪耦合载荷建模 | 独立场载荷模型,叠加仿真误差15% | 台风-波浪非平稳耦合时频建模 | 高风速(60 m/s)与高波高(4 m)非线性叠加 | 台风-波浪同步实测(≥3年,12级以上台风) |
| 波浪-化学场耦合系数 | 定性分析波浪加速盐雾 渗透 | 波浪对盐雾分布的系数量化 | 高波高(4 m)下盐雾扩散仿真 | 不同海况盐雾浓度分布(≥2年) |
| 倾角-接触应力关联 | 仿真倾角15°应力增25%,无试验 | 倾角与轴承应力分布定量关系 | 偏载下轴承接触力学非线性(高盐雾致腐蚀) | 不同倾角轴承应力实测(≥10组工况) |
| 浮式润滑失效预测 | 固定式模型修正,误差20% | 波浪-倾角-润滑耦合 模型 | 倾角15°润滑油分布不均+波浪载荷协同 | 不同“倾角+波高”润滑性能试验(≥15组) |
| 部件类型 | 核心失效机制 | 主导环境场 | 平均寿命/h | 故障占比/% | 关键失效参数 |
|---|---|---|---|---|---|
| 主轴系统 | 腐蚀-疲劳耦合 | 力学-化学-温度(浮式+波浪) | 固定式6.5万;浮式5.8万 | 35 | 多裂纹源:固定式2~5个、浮式3~6个;扩展速率:2.3~2.8/2.5~3.0 nm/cycle;临界裂纹尺寸:2.2/2.0 mm |
| 齿轮箱 | 润滑失效→齿面损伤→轴承失效 | 温度-化学-力学(浮式+波浪) | 固定式5.8万;浮式5.0万 | 45 | 胶合占比:固定式65%、浮式70%;点蚀深度:0.35/0.4 mm;润滑油酸值:0.32/0.35 mg/g(以KOH计) |
| 轴承系统 | 腐蚀磨损+高温卡死+疲劳剥落 | 化学-温度-力学(浮式+波浪) | 固定式4.2万;浮式3.6万 | 15 | 年磨损:0.18/0.21 mm;夏季卡死率:15%±2%/18%±2%;接触应力超设计值:29%/34% |
| 润滑密封系统 | 密封失效→润滑污染 | 辐射-化学-湿度(浮式+波浪) | 固定式3.5万;浮式3.0万 | 5 | 金属磨粒:(180±15)/(200±15) ppm;渗漏量:(6±1)/(7±1) L/天;密封件寿命:8~10/7~9个月 |
Tab.2 Failure characteristics of four components of South China Sea wind turbine transmission system
| 部件类型 | 核心失效机制 | 主导环境场 | 平均寿命/h | 故障占比/% | 关键失效参数 |
|---|---|---|---|---|---|
| 主轴系统 | 腐蚀-疲劳耦合 | 力学-化学-温度(浮式+波浪) | 固定式6.5万;浮式5.8万 | 35 | 多裂纹源:固定式2~5个、浮式3~6个;扩展速率:2.3~2.8/2.5~3.0 nm/cycle;临界裂纹尺寸:2.2/2.0 mm |
| 齿轮箱 | 润滑失效→齿面损伤→轴承失效 | 温度-化学-力学(浮式+波浪) | 固定式5.8万;浮式5.0万 | 45 | 胶合占比:固定式65%、浮式70%;点蚀深度:0.35/0.4 mm;润滑油酸值:0.32/0.35 mg/g(以KOH计) |
| 轴承系统 | 腐蚀磨损+高温卡死+疲劳剥落 | 化学-温度-力学(浮式+波浪) | 固定式4.2万;浮式3.6万 | 15 | 年磨损:0.18/0.21 mm;夏季卡死率:15%±2%/18%±2%;接触应力超设计值:29%/34% |
| 润滑密封系统 | 密封失效→润滑污染 | 辐射-化学-湿度(浮式+波浪) | 固定式3.5万;浮式3.0万 | 5 | 金属磨粒:(180±15)/(200±15) ppm;渗漏量:(6±1)/(7±1) L/天;密封件寿命:8~10/7~9个月 |
| 理论空白类型 | 核心问题 | 突破方向 | 关键技术手段 | 预期目标 |
|---|---|---|---|---|
| 台风-波浪-倾角耦合建模 | 三参数耦合的定量关系未建立 | 五场耦合数学建模+试验验证 | COMSOL Multiphysics仿真+ MTS电液伺服加载试验 | 载荷预测误差<8% |
| 新型材料失效机理 | CFRP/CMC的多场耦合失效规律不明 | 新型材料长期暴露试验+多尺度仿真 | 10年户外暴露试验+分子动力学仿真 | 建立材料-环境-寿命普适模型 |
长效防护界面 理论 | 涂层界面开裂机制 未阐明 | 涂层-基体界面应力计算+协同防护设计 | 界面力学仿真+涂层优化试验 | 防护层寿命超15年 |
智能监测多源 融合 | 多维度数据关联理论 缺失 | CNN-LSTM-GRU融合算法+特征工程 | 风电场多源数据采集+算法训练 | 早期故障预警滞后<10 h |
Tab. 3 Blank and future breakthrough direction of five-field coupling theory of floating wind power equipment
| 理论空白类型 | 核心问题 | 突破方向 | 关键技术手段 | 预期目标 |
|---|---|---|---|---|
| 台风-波浪-倾角耦合建模 | 三参数耦合的定量关系未建立 | 五场耦合数学建模+试验验证 | COMSOL Multiphysics仿真+ MTS电液伺服加载试验 | 载荷预测误差<8% |
| 新型材料失效机理 | CFRP/CMC的多场耦合失效规律不明 | 新型材料长期暴露试验+多尺度仿真 | 10年户外暴露试验+分子动力学仿真 | 建立材料-环境-寿命普适模型 |
长效防护界面 理论 | 涂层界面开裂机制 未阐明 | 涂层-基体界面应力计算+协同防护设计 | 界面力学仿真+涂层优化试验 | 防护层寿命超15年 |
智能监测多源 融合 | 多维度数据关联理论 缺失 | CNN-LSTM-GRU融合算法+特征工程 | 风电场多源数据采集+算法训练 | 早期故障预警滞后<10 h |
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