Auteur Yong-Bok Lee
Documents disponibles écrits par cet auteur (5)
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Yong-Bok Lee, Auteur ; Dong-Jin Park, Auteur ; Tae Ho Kim, Auteur ; Kyuho Sim, Auteur |This paper present the development of an oil-free turbocharger (TC) supported on gas foil bearings (GFBs) and its performance evaluation in a test rig driven by a diesel vehicle engine (EG). The rotor-bearing system was designed via a rotordynam[...]
Article : texte imprimé
Yong-Bok Lee, Auteur ; Chang Ho Kim, Auteur ; Tae Ho Kim, Auteur ; Young Tae Kim, Auteur |Metal mesh materials have been used successfully in vibration isolators and bearing dampers due to their superior friction or hysteresis damping mechanism. These materials are formed to metal mesh (or wire mesh) structures in ring-shape by compr[...]
Article : texte imprimé
Tae Ho Kim, Auteur ; Yong-Bok Lee, Auteur ; Young Tae Kim, Auteur ; Kyong Ho Jeong, Auteur |Engineered design of modern efficient turbomachinery based on accurate model predictions is of importance as operating speed and rate power increase. Industrial applications use hydrodynamic fluid film bearings as rotor support elements due to t[...]
Article : texte imprimé
Kyuho Sim, Auteur ; Yong-Bok Lee, Auteur ; Tae Ho Kim, Auteur |Oil-free turbochargers (TCs) will increase the power and efficiency of internal combustion engines, both sparking ignition and compression ignition, without engine oil lubricant feeding or scheduled maintenance. Using gas foil bearings (GFBs) in[...]
Article : texte imprimé
Tae Ho Kim, Auteur ; Jin Woo Song, Auteur ; Yong-Bok Lee, Auteur ; Kyuho Sim, Auteur |Identifying thermal characteristics of gas foil bearings (GFBs) provides an insight for successful implementation into high speed oil-free turbomachinery. The paper presents temperature measurements of a bump type GFB floating on a hollow shaft [...]
