有限载荷下油喷射润滑滚珠轴承的功率损耗:第一部分——理论分析

IF 2 3区 工程技术 Q2 ENGINEERING, MECHANICAL
L. Darul, T. Touret, C. Changenet, F. Ville
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引用次数: 1

摘要

摘要对油喷射润滑深沟球轴承的功率损失进行了理论分析。载荷滚动体(RE)在弹流润滑(EHL)方面已经得到了深入的研究,而关于滚动体轴承(REB)功率损失的一个众所周知的问题是在有限载荷或无载荷情况下的耗散源估计。本文提出的模型旨在通过描述空载区所涉及的物理问题来解决这一问题。卸载RE被认为处于等粘刚性(IVR)状态。该模型与Harris-Palmgren或SKF模型等全球功率损耗模型进行了比较。这项工作表明,当施加的径向载荷约为静态容量的5%时,卸载的RE可以产生约40%的损耗。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Power Losses of Oil-Jet Lubricated Ball Bearings With Limited Applied Load: Part 1—Theoretical Analysis
Abstract This study presents a theoretical analysis to quantify power losses generated by an oil-jet lubricated deep groove ball bearing. Loaded rolling elements (RE) have been thoroughly studied in the past for the elastohydrodynamic lubricated (EHL) regime, while a well-known problem concerning rolling element bearing (REB) power losses is the estimation of dissipation sources in the case of limited or no applied load. The model presented in this article aims to solve this problem by describing the physics involved on the unloaded zone. Unloaded RE are considered in an isoviscous rigid (IVR) regime. The model is compared with global power loss models such as the Harris–Palmgren or SKF models. This work shows that unloaded RE can generate around 40% of the losses when the applied radial load is about 5% of the static capacity.
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来源期刊
Tribology Transactions
Tribology Transactions 工程技术-工程:机械
CiteScore
3.90
自引率
4.80%
发文量
82
审稿时长
4 months
期刊介绍: Tribology Transactions contains experimental and theoretical papers on friction, wear, lubricants, lubrication, materials, machines and moving components, from the macro- to the nano-scale. The papers will be of interest to academic, industrial and government researchers and technologists working in many fields, including: Aerospace, Agriculture & Forest, Appliances, Automotive, Bearings, Biomedical Devices, Condition Monitoring, Engines, Gears, Industrial Engineering, Lubricants, Lubricant Additives, Magnetic Data Storage, Manufacturing, Marine, Materials, MEMs and NEMs, Mining, Power Generation, Metalworking Fluids, Seals, Surface Engineering and Testing and Analysis. All submitted manuscripts are subject to initial appraisal by the Editor-in-Chief and, if found suitable for further consideration, are submitted for peer review by independent, anonymous expert referees. All peer review in single blind and submission is online via ScholarOne Manuscripts.
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