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Author Bai, Shaoxian, author

Title Gas thermohydrodynamic lubrication and seals / Bai Shaoxian, Wen Shizhu
Published London, United Kingdom : Academic Press, an imprint of Elsevier, [2019]


Description 1 online resource
Contents Front Cover; Gas Thermohydrodynamic Lubrication and Seals; Copyright Page; Contents; Preface; 1 Properties of gases; 1.1 Gas equations; 1.1.1 Ideal gas equations; 1.1.2 Gas index equation; 1.1.3 Actual gas equation; 1.1.4 Degree of gas molecular freedom; 1.1.5 Specific heat capacity; 1.2 Viscosity; 1.3 Property of wet gas; 1.3.1 Pressure; 1.3.2 Humidity; 1.3.3 Dew point temperature; References; 2 Gas lubrication equations; 2.1 Reynolds equation; 2.1.1 Derivation of Reynolds equation; 2.1.2 Reynolds equation in the polar coordinate system
2.1.3 Reynolds equation in the cylindrical coordinate system2.1.4 Lubrication parameters; 2.2 Energy equation; 2.2.1 Chang of gas inner energy; 2.2.2 External work on gas and energy loss; 2.3 Solid heat conduction equation and the interface equation; 2.4 Numerical analysis method; 2.4.1 Finite difference method; 2.4.2 Flow conservation; 2.4.3 Friction force balance; References; 3 Isothermal gas lubrication; 3.1 Sliders; 3.1.1 Lubrication equation; 3.1.2 Pressure boundary condition; 3.1.3 Lubrication performance parameters; 3.1.4 Hydrodynamic lubrication characteristics of sliders
3.1.5 Hydrodynamic lubrication characteristics of divergent sliders3.1.6 Lubrication characteristics of the magnetic head slider; 3.2 Journal bearing and radial seal; 3.2.1 Lubrication equations; 3.2.2 Boundary conditions; 3.2.3 Lubrication parameters; 3.2.4 Lubrication characteristics; 3.3 Spiral groove thrust bearing; 3.3.1 Gas lubrication equations; 3.3.2 Pressure boundary conditions; 3.3.3 Lubrication parameters; 3.3.4 Lubrication characteristics; 3.3.5 Spiral groove face seal; 3.3.6 Lubrication equations; 3.3.7 Pressure boundary conditions; 3.3.8 Seal performance parameters
3.3.9 Lubrication regularityReferences; 4 Gas thermohydrodynamic lubrication of rigid surfaces; 4.1 Sliders; 4.1.1 Gas lubrication equations; Reynolds equation; Energy equation; Gas state equations; Film thickness equation; Viscosity equation; Interface equation; Heat conduction equation; 4.1.2 Boundary conditions; Pressure boundary condition; Temperature boundary condition; Solid heat transfer boundary condition; 4.1.3 Thermal lubrication characteristics; Pitch angle; Film thickness Velocity4.2 Journal bearing and radial seal; 4.2.1 Lubrication equations; Reynolds equation; Gas state equations; Energy equation; Interface equations; Heat conduction equation; 4.2.2 Thermal boundary condition; 4.2.3 Lubrication property; 4.3 Spiral groove thrust bearing; 4.3.1 Lubrication equations; Reynolds equation; Energy equation; Gas state equations; Film thickness equation; Viscosity equation; Interface equations; Heat conduction equation; 4.3.2 Boundary conditions
Summary Gas Thermohydrodynamic Lubrication and Seals provides contemporary theory and methods for thermo-hydrodynamic lubrication analysis in the design of gas bearings and seals. The title includes information on gas state equations and gas property, derivation of gas thermohydrodynamic lubrication equations, the theory of isothermal gas lubrication, thermal gas lubrication of rigid surfaces, gas thermoelastic hydrodynamic lubrication of face seals, vapor-condensed gas lubrication of face seals, experimental methods, and the design of gas face seals. Readers will find state-of-the-art, practical knowledge based on fifty years of research and application
Bibliography Includes bibliographical references and index
Notes Online resource; title from PDF title page (EBSCO, viewed July 18, 2019)
Subject Gas-lubricated bearings -- Mathematical models
Seals (Closures)
Gas-lubricated bearings -- Mathematical models
Seals (Closures)
Form Electronic book
Author Wen, Shizhu, 1932- author.
ISBN 9780128172919