基于堆叠集成学习的轴流控制的多阶段减压套的结构优化
Shuxun Li1, Guolong Deng2, Yinggang Hu1
1College of Petroleum and Chemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, Gansu, People's Republic of China.
Scientific reports
|March 30, 2024
概括
这项研究优化了海洋轴流量控制以减少噪音,使用堆叠PSO方法. 优化的门设计显著降低了14.4%的峰值声压水平,同时保持了流量容量.
科学领域:
- 流体动力学和声学 流体动力学和声学
- 机械工程 机械工程 机械工程
- 计算建模和优化计算模型和优化
背景情况:
- 海洋轴流量控制需要在不损害流量容量的情况下降低噪音.
- 现有的设计在平衡声学性能和流体吞吐量方面面临挑战.
- 优化门套结构对于减轻水力动力学噪声至关重要.
研究的目的:
- 开发和应用一个集成的学习和优化方法,以提高海洋轴流控制的噪声降低.
- 为了优化多个阶段的降级袖子结构,以改善声学和流量特性.
- 通过计算流体动力学 (CFD) 分析验证拟议的优化方法的有效性.
主要方法:
- 利用计算流体动力学 (CFD) 来预测液体动态噪声和流量值.
- 员工堆叠集成学习 (结合决策树回归,Kriging和支持矢量回归) 以准确预测绩效.
- 应用粒子群集优化 (PSO) 到堆叠模型,以优化多阶段袖子结构参数.
主要成果:
- 优化的结构实现了14.4%的峰值声压水平降低 (从91.32dB~A) 到78.2dB~A).
- 优化的参数包括孔径,间距,角度,深度和袖口间距的特定尺寸.
- 优化的设计保持了所需的流量容量 (Kv ≥60) 和百分比流量特征.
结论:
- 堆叠-PSO集成优化方法有效地减少了海洋轴流量控制中的噪声.
- 优化的多级压缩套设计可显著改善声学性能.
- 这种方法在苛刻的环境中为轴流量控制的结构优化提供了有价值的参考.
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