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유체동압베어링으로 지지되는 HDD의 장착각도에 따른 회전부의 특성해석Characteristic Analysis of Rotor System due to the Positioning Angles of HDD Supported by Fluid Dynamic Bearings
- Other Titles
- Characteristic Analysis of Rotor System due to the Positioning Angles of HDD Supported by Fluid Dynamic Bearings
- Issue Date
- Oct-2014
- Publisher
- 한국소음진동공학회
- Keywords
- HDD(하드디스크 드라이브); Fluid Dynamic Bearing(유체동압베어링); Equilibrium Position(평형 위치); Tilting Motion(틸팅 운동); Flying Motion(플라잉 운동); Whirling Motion(훨링 운동); Eccentricity Ratio(편심율); 안 정성(Stability); 마찰 토크(Friction Torque)
- Citation
- 한국소음진동공학회 2014년 추계학술대회, pp.986 - 992
- Indexed
- OTHER
- Journal Title
- 한국소음진동공학회 2014년 추계학술대회
- Start Page
- 986
- End Page
- 992
- ISSN
- 1598-2548
- Abstract
- This research investigates experimentally and numerically the tilting angle, eccentricity ratio, flying height of axial direction, friction torque, and critical mass of the HDD disk-spindle system due to HDD positioning angle. The tilting angle and the eccentricity ratio are the maximum when the HDD positioning angle is 90˚ respect to horizontal position because the external force in radial direction and the torque applied to the rotating part are the maximum when the HDD positioning angle is 90˚. The flying height increases with the increase of the HDD positioning angle because the direction of gravity applied to the rotating part changes. The friction torque increases with the increase of the HDD positioning angle until it becomes 60˚, and decreases with the increase of the HDD positioning angle after it becomes 60˚. The stability is the maximum when the HDD positioning angle is 90˚.
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Collections - 서울 공과대학 > 서울 기계공학부 > 1. Journal Articles
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Related Researcher
- Jang, Gun Hee
- COLLEGE OF ENGINEERING (SCHOOL OF MECHANICAL ENGINEERING)