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단일 범프 포일의 정하중 구조 특성 측정

Title
단일 범프 포일의 정하중 구조 특성 측정
Other Titles
Measurements of Static Load Structural Parameters in a Single Bump Foil Strip
Author
류근
Keywords
Gas foil bearing; Bump foil; Structural stiffness; Hysteresis loop; Loss factor; 가스 포일 베어링; 범프 포일; 구조 강성; 히스테리시스 루프; 손실 계수
Issue Date
2015-10
Publisher
한국소음진동공학회
Citation
한국소음진동공학회 2015년도 추계학술대회 논문집, Page. 465-466
Abstract
The present study shows structural stiffnesses and energy dissipation parameters from measured static load versus bearing deflection curves and hysteresis loops for non-arcuate shape (i.e. flat) single bump foil strip. Structural stiffnesses and energy dissipation parameters are estimated from local hysteresis loops. To investigate the effect of applied preload on the foil, the static load versus bump deflection measurements are conducted with various bump deflection amplitudes while increasing preloads. The identified loss factor decreases with bump deflections. With large bump deflections, the loss factors identified with the preload of 50 N and 100 N on the bearing show similar values.
URI
http://www.dbpia.co.kr/Article/NODE06559238https://repository.hanyang.ac.kr/handle/20.500.11754/101726
ISSN
1598-2548
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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