An efficient thermal model for high-speed angular contact ball bearings based on oil-air two-phase flow and gray-box model
De-Xing Zheng,
Dateng Zheng
Abstract:Purpose
For a lightweight and accurate description of bearing temperature, this paper aims to present an efficient semi-empirical model with oil–air two-phase flow and gray-box model.
Design/methodology/approach
First, the role of lubricant/coolant in bearing temperature was discussed separately, and the gray-box models on the heat convection inside a bearing cavity were also created. Next, the bearing node setting scheme was optimized. Consequently, a novel semi-empirical two-phase flow thermal grid for hig… Show more
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