Numerical and experimental analysis of surface textures – towards a reproducible and robust design of textures in conformal contacts

表面纹理的数值和实验分析 â 实现共形接触中纹理的可重复且稳健的设计

• 批准号: 438122912
• 负责人: Professorin Dr.-Ing. Bettina Frohnapfel
• 金额: --
• 依托单位: Institut für Strömungsmechanik (ISTM)
• 依托单位国家: 德国
• 项目类别: Research Grants
• 资助国家: 德国
• 项目状态: 未结题
• 来源: https://gepris.dfg.de/gepris/projekt/438122912?language=en
• 关键词: Numerical; experimental; analysis; surface; textures

Surface textures are a powerful tool for the manipulation of lubricated contacts. While significantly reducing friction and wear, they can increase load carrying capacity and system lifetime, thus rendering great application potentials in many technical systems. Even though textures have already been studied extensively, little agreement exists about the optimal texture arrangement and shape in the literature. This is partly due to the use of many different experimental set-ups and the strong variation of texture effects with the operating conditions. This project aims at identifying the acting mechanisms in order to then determine how the optimal texture size generally varies with the experimental set-up and its operating conditions. The method of choice is a combined experimental and numerical investigation of spherical dimples in the conformal contact of a pin-on-disc tribometer.

表面纹理是操纵润滑触点的有力工具。在显著减少摩擦和磨损的同时，它们可以增加承载能力和系统寿命，从而在许多技术系统中呈现出巨大的应用潜力。尽管纹理已经被广泛研究，但文献中关于最佳纹理排列和形状的协议很少。这部分是由于使用了许多不同的实验装置和纹理效果随操作条件的强烈变化。该项目旨在确定作用机制，以确定最佳纹理尺寸通常如何随实验装置及其操作条件而变化。选择的方法是一个相结合的实验和数值研究的球窝在共形接触的销盘摩擦计。