模拟研究滚动压缩机的动态特性,具有灵活的空隙
Haifei Qiu1,2, Zhang Yifan1, Li Feiyang1
1School of Mechanical Engineering of XIJING University, Xi'an, China.
PloS one
|February 3, 2025
概括
滚动压缩机中的微小空隙会引起显著的振动和噪音. 然而,较大的空隙 (0.07-0.1mm) 减少了内部摩擦,避免了严重的冲击,揭示了这种旋转机械的最佳操作参数.
科学领域:
- 机械工程 机械工程
- 旋转机械动力学 旋转机械动力学
- 部落学 (tribology) 是一个学科.
背景情况:
- 卷轴压缩机是高速,高精度的旋转机械.
- 了解内部清算的影响对于其性能和寿命至关重要.
研究的目的:
- 为了研究变化的传动空隙对滚动压缩机轴心动力学的影响.
- 为了建模运动对,考虑两种状态的空隙和灵活的接触条件.
主要方法:
- 基于两态清除,开发了动力学对的向量模型.
- 在灵活的接触条件下进行了轴的动力学模拟,其间距从0mm到0.1mm不等.
主要成果:
- 灵活的机身模拟比滚动压缩机的刚性机身模拟更现实.
- 小的空隙 (0.01-0.04mm) 会导致关键部件的显著振动和噪声.
- 较大的空隙 (0.07-0.1mm) 减少碰撞幅度和摩擦,减轻严重冲击.
结论:
- 螺旋的灵活性和传动间隙显著影响滚动压缩机的运行.
- 最佳的清除范围存在,以最大限度地减少振动和噪音等不良影响.
- 这项研究提供了关于带宽的滚动压缩机运行机制的见解.
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