的摩擦振动减弱使用机身上的槽
Junhao Qu1, Ruilin Wang1, Rui Ren1
1School of Mechanical Engineering and Mechanics, Ningbo University, No. 818, Fenghua Road, Ningbo 315211, China.
Polymers
|June 27, 2024
概括
背面槽 (GB) 显著减少了的摩擦振动,减少了0.6秒的衰变时间. 前侧槽 (GF) 会导致持续的振荡,这表明槽位在控制振动方面的重要性.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 部落学 (tribology) 是一个学科.
背景情况:
- 在材料中,由于其独特的弹性特性,摩擦诱导的振动是常见的.
- 了解和减轻这些振动对于各种工程应用至关重要.
研究的目的:
- 为了数值地研究侧槽对块与片的摩擦振动的影响.
- 为了比较后侧槽 (GB) 与前侧槽 (GF) 的振动减弱性能.
主要方法:
- 开发一个模拟块-盘摩擦的数值模型.
- 对非槽 (NG),GB和GF配置的振动衰变时间和稳定状态行为进行分析.
- 实验验证,以评估模拟的准确性.
主要成果:
- 背面槽 (GB) 显著增强了振动减弱,与非槽 (NG) 块相比,减少了0.6s的衰变时间.
- 一个前侧槽 (GF) 导致持续的摩擦振荡,类似于稳定状态时间中的GB配置.
- 与实验数据相比,模拟结果显示精度中等,差异在9.3%至12.1%之间.
结论:
- 块上的槽的位置极大地影响了摩擦引起的振动行为.
- 背面的槽有效地加速振动衰变,可能是由于初始能量减少和应力分布的改善.
- 这项研究为减轻摩擦系统中振动的新方法提供了洞察力.
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