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표면조직 가공한 유압부품면에서의 윤활특성open accessLubrication Characteristics of Surface Textured Hydraulic Machine Components
- Other Titles
- Lubrication Characteristics of Surface Textured Hydraulic Machine Components
- Issue Date
- 2012
- Publisher
- 사단법인 유공압건설기계학회
- Keywords
- Surface Texturing(표면조직); Micro-dimple(미세 딤플); Friction Reduction(마찰감소); Hydraulic Machine Components(유압부품); CFD(전산유체역학); Surface Texturing; Micro-dimple; Friction Reduction; Hydraulic Machine Components; CFD
- Citation
- 드라이브·컨트롤, v.9, no.4, pp 26 - 31
- Pages
- 6
- Indexed
- KCICANDI
- Journal Title
- 드라이브·컨트롤
- Volume
- 9
- Number
- 4
- Start Page
- 26
- End Page
- 31
- ISSN
- 2671-7972
2671-7980
- Abstract
- Friction reduction between sliding hydraulic machine components is required to improve efficiency and reliability of hydraulic machineries. It is recently reported that surface texturing on sliding bearing surfaces can reduce the friction force highly. In this paper, numerical analysis is carried out to investigate the effect of dimple numbers and inlet boundary pressures on the lubrication characteristics of a parallel sliding bearing using a commercial computational fluid dynamics (CFD) code, FLUENT. The results show that the pressure distribution, load capacity, dimensionless friction force and leakage with dimple number and their locations, and inlet pressures. The overall lubrication characteristics are highly affected by dimple numbers and boundary pressure. The numerical method adopted and results can be used in design of efficient hydraulic machine components
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