通过自发捕获和运输气泡来减少高阻力
Junyi Lin1, Xinming Wang1, Han Wang1
1State Key Laboratory of High-performance Precision Manufacturing, Dalian University of Technology, Dalian Liaoning, 116024, China. songjinlong@dlut.edu.cn.
Nanoscale
|April 8, 2025
概括
这项研究引入了水下气体滑的新型超空友模式,通过捕获和保留气泡,显著提高了阻力减小. 这种环保方法提高了海洋应用的效率,并减少了排放.
科学领域:
- 流体动力学 流体动力学
- 材料科学 材料科学 材料科学
- 表面工程是什么?表面工程是什么?
背景情况:
- 气体滑是一种已知的阻力减轻技术.
- 注入的气泡往往会逃出,从而限制了效率.
- 改善泡管理对于有效降低阻力至关重要.
研究的目的:
- 为增强气泡捕获和运输开发一个水下超空友模式.
- 为了提高阻力降低效率和气体覆盖面积.
- 调查模式在各种条件下的表现及其附加效益.
主要方法:
- 制造一个水下超空友型图案,具有序列结构和形形状.
- 在不同水速的水平和倾斜表面上对阻力降低率的实验测试.
- 两相流量模拟以评估高流速的性能.
- 评估耐腐蚀性和海洋防性质.
主要成果:
- 这种超空气的模式有效地捕获和运输气泡,防止气泡逃逸.
- 在0.6m/s时,最大阻力减速率为31.8% (水平) 和18.5% (倾斜) 实现.
- 在10 m/s的高流速下,保持了13.25%的阻力减速率.
- 该模式显示出出色的耐腐蚀性和海洋防能力.
结论:
- 开发的超空友型模式为降低水下阻力提供了高效和环保的解决方案.
- 这项技术在减少船舶航行中的能源消耗和降低温室气体排放方面具有重大潜力.
- 这些发现对海洋行业的可持续发展有着强烈的影响.
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