Browsing byAuthorLee, Yongbok

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Showing results 1 to 12 of 12

Issue DateTitleAuthor(s)
2020-03Estimation of the rotordynamic characteristics of a single brush seal using least-squares and instrumental variable methods under super-heated steam environmentHa, Yunseok; Ha, Tae-Woong; Byun, Jaeseung; Lee, Yongbok
2019-01-15Experimental study on dynamic behavior of ball bearing cage in cryogenic environments, Part I: Effects of cage guidance and pocket clearancesChoe, Bokseong; Lee, Jeonkook; Jeon, Doyoung; Lee, Yongbok
2019-02-01Experimental study on dynamic behavior of ball bearing cage in cryogenic environments, Part II: Effects of cage mass imbalanceChoe, Bokseong; Kwak, Wonil; Jeon, Doyoung; Lee, Yongbok
2023-06INTEGRATED HYBRID AIR FOIL-MAGNETIC THRUST BEARING (I-HFMTB) PART I: PRELIMINARY EXPERIMENTAL TEST FOR ROTORDYNAMIC PARAMETER IDENTIFICATION AND BEHAVIOR WITH PD CONTROLHa, Yunseok; Kim, Jungwan; Lee, Yongbok
2023INTEGRATED HYBRID AIR FOIL-MAGNETIC THRUST BEARING (I-HFMTB) PART II: POSSIBILITY OF RIGID MODE CONTROL FOR 250HP AIR COMPRESSOR SYSTEMLee, Yongbok; Ha, Yunseok; Kim, Jungwan; Jeong, Keonwoo
2020-10Leakage effects due to bristle deflection and wear in hybrid brush seal of high-pressure steam turbineHa, Yunseok; Ha, Taewoong; Byun, Jaeseung; Lee, Yongbok
2017-06NUMERICAL STUDY OF CAGE DYNAMICS FOCUSED ON HYDRODYNAMIC EFFECTS OF GUIDANCE LAND CLEARANCES FOR DIFFERENT BALL-POCKET CLEARANCES IN CRYOGENIC ENVIRONMENTSChoe, Bok Seong; Lee, Yongbok; Jeon, Doyoung; Lee, Jeon Kook
2018-04Numerical Study of Cage Dynamics Focused on Hydrodynamic Effects of Guidance Land Clearances for Different Ball-Pocket Clearances in Cryogenic EnvironmentsChoe, Bokseong; Lee, Jeonkook; Jeon, Doyoung; Lee, Yongbok
2021-01-15Optimal design and experimental verification of piezoelectric energy harvester with fractal structureKwak, Wonil; Lee, Yongbok
2021-08-01Performance assessments and simulations of ROT (radial outflow turbine) for back-pressure turbine generator systemKim, Jungwan; Ha, Yunseok; Zahorulko, Andriy; Lee, Yongbok
2018-09The effects of solid lubricants for space vehicle under the 10(-7) torr ultra-high vacuumKwak, Wonil; Lee, Yongbok; Lee, Woosub; Lee, Jeonkook
2018-09Wear of polymer composite solid lubricants for cryogenic ball bearing cagesSeo, Woo-Seok; Lee, Jeon-Kook; Lee, Yongbok; Choe, Bokseong

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