鼓式制动器系统中刚性蹄模的动态不稳定性

IF 3.1 3区工程技术 Q2 ENGINEERING, MECHANICAL

Lubricants Pub Date : 2023-11-22 DOI:10.3390/lubricants11120496

Dongwoo Seo, Jaeyoung Kang

{"title":"鼓式制动器系统中刚性蹄模的动态不稳定性","authors":"Dongwoo Seo, Jaeyoung Kang","doi":"10.3390/lubricants11120496","DOIUrl":null,"url":null,"abstract":"This study examined the dynamic instability of a drum brake induced by the rigid modes of the brake shoe. The brake shoe was modeled as a rigid curved plate subject to frictional contact with a rotating drum. In the presence of a negatively sloped friction curve, dynamic instability was numerically analyzed with respect to variation in the system parameters. The results showed that mode-coupling instability did not occur, but dynamic instability was induced by negative damping in a specific rigid mode, and its propensity varied with the operating conditions and geometric changes.","PeriodicalId":18135,"journal":{"name":"Lubricants","volume":"11 ","pages":""},"PeriodicalIF":3.1000,"publicationDate":"2023-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Dynamic Instability of Rigid Shoe Modes in a Drum Brake System\",\"authors\":\"Dongwoo Seo, Jaeyoung Kang\",\"doi\":\"10.3390/lubricants11120496\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This study examined the dynamic instability of a drum brake induced by the rigid modes of the brake shoe. The brake shoe was modeled as a rigid curved plate subject to frictional contact with a rotating drum. In the presence of a negatively sloped friction curve, dynamic instability was numerically analyzed with respect to variation in the system parameters. The results showed that mode-coupling instability did not occur, but dynamic instability was induced by negative damping in a specific rigid mode, and its propensity varied with the operating conditions and geometric changes.\",\"PeriodicalId\":18135,\"journal\":{\"name\":\"Lubricants\",\"volume\":\"11 \",\"pages\":\"\"},\"PeriodicalIF\":3.1000,\"publicationDate\":\"2023-11-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Lubricants\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://doi.org/10.3390/lubricants11120496\",\"RegionNum\":3,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ENGINEERING, MECHANICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Lubricants","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.3390/lubricants11120496","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, MECHANICAL","Score":null,"Total":0}

引用次数: 0

摘要

本研究探讨了由制动蹄的刚性模式引起的鼓式制动器的动态不稳定性。制动蹄被模拟为与旋转鼓发生摩擦接触的刚性弧形板。在存在负倾斜摩擦曲线的情况下，对系统参数变化的动态不稳定性进行了数值分析。结果表明，模式耦合不稳定性并未发生，但动态不稳定性是由特定刚性模式的负阻尼引起的，其倾向性随工作条件和几何变化而变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Dynamic Instability of Rigid Shoe Modes in a Drum Brake System

This study examined the dynamic instability of a drum brake induced by the rigid modes of the brake shoe. The brake shoe was modeled as a rigid curved plate subject to frictional contact with a rotating drum. In the presence of a negatively sloped friction curve, dynamic instability was numerically analyzed with respect to variation in the system parameters. The results showed that mode-coupling instability did not occur, but dynamic instability was induced by negative damping in a specific rigid mode, and its propensity varied with the operating conditions and geometric changes.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Lubricants Engineering-Mechanical Engineering

CiteScore

3.60

自引率

25.70%

发文量

293

审稿时长

11 weeks

期刊介绍： This journal is dedicated to the field of Tribology and closely related disciplines. This includes the fundamentals of the following topics: -Lubrication, comprising hydrostatics, hydrodynamics, elastohydrodynamics, mixed and boundary regimes of lubrication -Friction, comprising viscous shear, Newtonian and non-Newtonian traction, boundary friction -Wear, including adhesion, abrasion, tribo-corrosion, scuffing and scoring -Cavitation and erosion -Sub-surface stressing, fatigue spalling, pitting, micro-pitting -Contact Mechanics: elasticity, elasto-plasticity, adhesion, viscoelasticity, poroelasticity, coatings and solid lubricants, layered bonded and unbonded solids -Surface Science: topography, tribo-film formation, lubricant–surface combination, surface texturing, micro-hydrodynamics, micro-elastohydrodynamics -Rheology: Newtonian, non-Newtonian fluids, dilatants, pseudo-plastics, thixotropy, shear thinning -Physical chemistry of lubricants, boundary active species, adsorption, bonding