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dc.contributor.author김충현-
dc.contributor.author박지수-
dc.date.accessioned2021-06-09T04:21:39Z-
dc.date.available2021-06-09T04:21:39Z-
dc.date.issued2018-12-
dc.identifier.citationVOL 34, NO 6-306-
dc.identifier.issn1229-4845-
dc.identifier.other52254-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/68947-
dc.description.abstractIn this study, the performance of foil thrust bearings was investigated by performing bearing takeoff and load capacity tests, using an in-house designed and manufactured vertical bearing test rig. The mean takeoff rotational speed and maximum load capacity of the bearing specimen were ~18,000 rpm and ~80 kPa, respectively. The vertical bearing test rig was observed to yield higher coefficients of friction and frictional torques than a horizontal bearing test rig under identical test conditions. This was a result of its structural characteristics, in that the bearing specimen is placed atop the thrust runner, which keeps it from being separated from the runner after the bearing take-off. In addition, bearing take-off was observed at a higher runner rotational speed as this structure keeps air from flowing between the top foil and runner surfaces, which requires a higher runner speed. The parallel alignment between the bearing specimen and runner surfaces can be maintained within a certain range more easily in a vertical test rig than in a horizontal test rig. Because of these advantages, Korean Industrial Standard, KS B 2060, recommends a vertical bearing test rig as the standard test device for foil thrust bearings.-
dc.publisherTribology and Lubricants-
dc.subjectfoil thrust bearing-
dc.subjectvertical bearing test rig,-
dc.subjecttake-off-
dc.subjectbearing torque,-
dc.subjectload capacity-
dc.titleTesting of Load Capacity of a Foil Thrust Bearing-
dc.typeArticle-
dc.relation.page300306-
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