微纹理拖鞋对轴向活塞的全面性能和优化
Ping Xu1, Jing Luo2, Yinghua Yu1
1College of Mechanical Engineering, Liaoning Technical University, Fuxin, 123000, China.
Scientific reports
|April 11, 2025
概括
微纹理活塞拖鞋对显著提高了运营效率. 优化的圆坑微纹理可以减少摩擦,温度和泄漏,同时增加轴承压力以提高的性能.
科学领域:
- 部落学 (tribology) 是一个学科.
- 机械工程 机械工程
- 表面工程是什么?表面工程是什么?
背景情况:
- 活塞拖鞋对是易受摩擦,磨损和泄漏的关键部件.
- 微纹理提供了一个潜在的解决方案,以提高这些关键组件的性能.
- 对于活塞的微纹理优化现有研究是有限的.
研究的目的:
- 调查新型微纹理设计对轴向活塞滑板性能的影响.
- 优化微纹理参数以减少摩擦,磨损,热量产生和泄漏.
- 为设计液压系统中先进的微纹理表面提供理论基础.
主要方法:
- 计算流体动力学 (CFD) 模拟来分析滑油膜的行为.
- 在运行条件下对微纹理性能进行实验验证.
- 响应表面方法 (RSM) 用于对纹理参数的多目标优化.
主要成果:
- 提出了四种不同的微纹理设计,具有不同的开口和坑道配置.
- 确定了一种最佳设计,采用圆开口和圆偏移抛物线坑.
- 轴承压力增加了19.69%,摩擦系数减少了21.08%,温度降低了14.20%,泄漏减少了14.03%.
结论:
- 微纹理显然提高了活塞拖鞋对的运行效率.
- 优化的圆微纹理设计比原始原型提供了显著的改进.
- 这项研究为开发下一代液压机械中微纹理元件提供了宝贵的见解.
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