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원심펌프 베어링 유닛의 열신뢰성 분석Thermal Reliability Analysis of the Bearing Units in a Centrifugal Pump
- Other Titles
- Thermal Reliability Analysis of the Bearing Units in a Centrifugal Pump
- Issue Date
- Apr-2007
- Publisher
- 대한설비공학회
- Keywords
- Bearing unit(베어링 유닛); Thermal reliability(열신뢰성); Lubrication(윤활); Viscosity(점도); Adjusted rating time(보정정격수명)
- Citation
- 설비공학 논문집, v.19, no.4, pp.313 - 320
- Indexed
- KCI
- Journal Title
- 설비공학 논문집
- Volume
- 19
- Number
- 4
- Start Page
- 313
- End Page
- 320
- ISSN
- 1229-6422
- Abstract
- In this paper, the experimental study has been carried out to investigate the reliability lifetime of two bearing units based on the oil temperature. Measurements for the oil temperature as well as the bearing temperature during normal operation were performed to study the effects of oil viscosity and oil submergence percentages in the two bearing units. The optimal lubrication condition to increase the lifetime of the bearing unit A was found that its viscosity and submergence percentage were VG32 and 25%, respectively. For the bearing unit B, when the oil viscosity and submergence percent were VG32 and 75%, the lubrication condition was the most efficient. Finally, the adjusted rating times of both the bearing units were calculated to be over 28,000h, which is greater than the minimum adjusted rating times of 25,000h. Therefore, they satisfied the regulated lifetime of API 610.
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Related Researcher
- Moon, Seung Jae
- COLLEGE OF ENGINEERING (SCHOOL OF MECHANICAL ENGINEERING)