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논문 기본 정보

자료유형
학술저널
저자정보
Gilbert Rivera (금오공과대학교) Shinhyang Park (금오공과대학교) Chan-sik Kang (브이앤씨테크) Dongjoo Kim (금오공과대학교) Seong-Wook Hong (금오공과대학교)
저널정보
Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.41 No.7
발행연도
2024.7
수록면
569 - 579 (11page)
DOI
10.7736/JKSPE.024.048

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초록· 키워드

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This paper presents an integrated thermo-mechanical model for analyzing angular contact ball bearings (ACBBs) operating under oil-jet lubrication. The proposed approach enables a comprehensive analysis of both the mechanical and thermal behavior of the ACBB system. The proposed formulation employs a quasi-static approach to accurately calculate contact loads and heat generation, taking into careful consideration variations in internal clearance resulting from factors such as surface pressure, centrifugal forces, and thermal expansion. For the thermal analysis, a refined thermal network model is utilized. The proposed thermal model incorporates a newly derived correlation for the drag coefficient under oil-jet lubrication, which is obtained through high-fidelity computational fluid dynamics simulations. The validity of the proposed model is confirmed through comparison with experimental data. Furthermore, extensive simulations are conducted to investigate the impact of bearing fit-up and thermal variations on the performance of ACBBs.

목차

1. Introduction
2. Thermo-mechanical Model for ACBB
3. Experiments and Model Validation
4. Simulation and Discussion
5. Conclusions
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