Longjin Zeng

Gas-Film Lubrication, Leakage, and Secondary-Face Friction of a High-Speed Floating Ring Seal under Transient Operating Conditions

Gas-film floating ring seals are widely used in high-speed turbomachinery, where the establishment and decay of the gas film during transient operation strongly affect leakage performance, secondary-face friction, and rotor–ring contact risk. In this study, a transient tribologic...