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This book includes the theoretical deduction of mechanical model, innovative structural design, and abundant experimental data . It offers in-depth examination of effectiveness and feasibility of active gas foil bearings through theoretical analysis and experimental measurements. It is the first book available on active gas foil bearing. This book includes rich figures and tables to help readers with easy understanding and reference. This book can provide theoretical guidance of design of active gas foil bearings, first-hand data, and valuable experimental experience for the readers.
List of contents
Introduction.- Theoretical Model for Gas Bearings.- Link-Spring Model for Bump-Type Gas Foil Bearings. Dynamic Coefficients of Gas Foil Bearing.- Thermohydrodynamic Model of Bump-type Foil Bearings.- Rotordynamic Performance of Bump-type Foil Bearings.- PZT Gas Foil Bearings.- Rotordynamics of PZT Gas Foil Bearings.- Control of PZT Gas Foil Bearings.- SMA Gas Foil Bearings.- Thermohydrodynamic Analysis of SMA-GFBs.- Nonlinear Dynamic Analysis of Rotor System Supported by SMA-GFBs.- Hybrid Foil Magnetic Bearings.- Rotordynamics of Hybrid Foil Magnetic bearings.- Measuring gas film pressure distribution utilizing PVDF sensor array.- Ultrasonic measurement of foil deformation and film thickness in gas foil bearing.- Applications and future trend.
About the author
Kai Feng is a professor in the College of Mechanical and Vehicle Engineering at Hunan University. He obtained his B.S. degrees in mechanical engineering from Huazhong University of Science and Technology, China, in 2003, his M.S. degree in mechanical engineering from Xi’an Jiaotong University, China, in 2006, and his Ph.D. degree in mechanical engineering from the University of Tokyo, Tokyo, Japan, in 2009. He joined the Institute of Precision Engineering at the Tokyo Institute of Technology as an Assistant Professor in 2010. Currently, he serves as the executive dean of the College of Mechanical and Vehicle Engineering at Hunan University, China. He has long been engaged in the development of ultra-high-speed and ultra-precision key components and equipment.
Hanqing Guan is an associate professor and postgraduate supervisor of the School of Mechanical Engineering of Hunan Institute of Engineering. He holds a Ph.D. from Hunan University. From December 2022 to December 2024, he was a Postdoctoral Fellow at Nanyang Technological University, Singapore. He is committed to the research on the theory and application technology of active/intelligent rotor-gas bearing systems.
Yuanlong Cao is a lecturer and postgraduate supervisor of the College of Mechanical Engineering of University of South China, graduated from Hunan University with a doctor's degree. He is engaged in the research and development of high-speed intelligent gas bearings and their rotor systems. He has participated in two national key research and development projects and equipment pre-research funds, presided over one provincial natural science fund, and served as the editor of Bearing magazine.
Summary
This book includes the theoretical deduction of mechanical model, innovative structural design, and abundant experimental data . It offers in-depth examination of effectiveness and feasibility of active gas foil bearings through theoretical analysis and experimental measurements. It is the first book available on active gas foil bearing. This book includes rich figures and tables to help readers with easy understanding and reference. This book can provide theoretical guidance of design of active gas foil bearings, first-hand data, and valuable experimental experience for the readers.
