The Static Characteristics of Bump Foil Thrust Bearing Considering Tilting Condition

Title
The Static Characteristics of Bump Foil Thrust Bearing Considering Tilting Condition
Authors
김태영박동진이용복
Keywords
foil bearing; thrust bearing; Static Characteristics; tilting condition
Issue Date
2009-10
Publisher
ASME/STLE 2009 International Joint Tribology Conference
Abstract
Air foil thrust bearings are the critical component available on high-efficiency turbomachinery which needs ability to endure the large axial force. Previous investigations about the static characteristics were obtained over the region of the thin air film using finite-difference method and the characteristics of the corrugated bump foil using finite-element method. Moreover, a recent study demonstrated that bearing performance is sensitive to tilting thrust pad condition. In this study, experimentally measured bearing static characteristics are compared with the numerical model of the foil thrust bearing considering tilting pad condition. Three geometrically different type foil bearings were tested to measure their load capacity under tilting conditions that have continuous angles from zero to 0.0002 rad. These data are presented for use i1n the development of more accurate foil thrust bearing numerical models.
URI
http://pubs.kist.re.kr/handle/201004/36384
Appears in Collections:
KIST Publication > Conference Paper
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