Gas Thermohydrodynamic Lubrication and Seals

Gas Thermohydrodynamic Lubrication and Seals

1st Edition - July 10, 2019

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  • Authors: Bai Shaoxian, Wen Shizhu
  • eBook ISBN: 9780128172919
  • Paperback ISBN: 9780128167168

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Description

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.

Key Features

  • Describes thermohydrodynamic lubrication analysis for the design of gas bearings and seals
  • Considers the increased operational speed, pressure and temperature of mechanical equipment in relation to gas bearings and seals
  • Describes multi-field coupled gas lubrication theory and analytical methods
  • Provides a model and detailed data on the lubricating properties of typical gas bearings and seals
  • Gives comprehensive coverage of the field based on a half-century of research and application

Readership

Specialists in the design of gas bearings and seals in precision mechanical and electrical and chemical equipment; researchers and postgraduate students in mechanical engineering, tribology, lubrication engineering, chemical engineering, and related fields

Table of Contents

  • Chapter 1 Properties of gases
    1-1 Gas State Equations
    1-2 Gas viscosity
    1-3 Humidity gas References

    Chapter 2 Gas Lubrication Equations
    2-1 Reynolds Equation
    2-2 EnergyEquation
    2-3 Heat Conduction Equation and Interface Equation
    2-4 Numerical Method for Lubrication Analysis References

    Chapter 3 Isothermal Gas Lubrication
    3-1 Sliders
    3-2 Journal Bearing and Radial Seal
    3-3 Spiral Groove Thrust Bearing
    3-4 Spiral Groove Face Seal References

    Chapter 4 Thermal Gas Lubrication of Rigid Surfaces
    4-1 Sliders
    4-2 Journal Bearing and Radial Seal
    4-3 Spiral Groove Thrust Bearing
    4-4 Spiral Groove Face Seal References

    Chapter 5 Gas ThermoElastic Hydrodynamic Lubrication(TEHL) of Face Seals
    5-1 Fundamental Equations
    5-2 Choked Fluid Effect
    5-3 Characteristics of Thermoelastic Distortions of Seal Faces
    5-3 Characteristics of Gas TEHL References

    Chapter 6 Transient ThermoElastic Hydrodynamic Gas Lubrication of Face Seals
    6-1 Fundamental Equations
    6-2 Dynamic Characteristics of Isothermal Gas Lubrication
    6-3 Dynamic Characteristics of Thermal Gas Lubrication of Rigid Surfaces
    6-4 Dynamic Characteristics of Gas TEHL References

    Chapter 7 Vapor-Condensed Gas Lubrication of Face Seals
    7-1 Fundamental Equations
    7-2 Characteristics of Vapor Condensation in Gas Lubrication Film
    7-3 Laws of Vapor Condensation in Gas Lubrication Film
    7-4 Movement of Liquid Drops on Gas Lubrication Surfaces References

    Chapter 8 Surface Grooves of Gas Face Seals and Testing Technology
    8-1 Surface Grooves of Gas Face Seals
    8-2 Testing Technology of Gas Face Seals
    8-3 Experimental Characteristics of Gas Face Seals References

    Chapter 9 Design of Gas Face Seals
    9-1 Force Analysis of Gas Face Seals
    9-2 Geometric Parameters of Gas Face Seals
    9-3 Performance Parameters of Gas Face Seals
    9-4 Materials of Seal Couple
    9-5 Dimension Design of Seal Rings
    9-6 Design of Secondary Seals
    9-7Process of Seal Design and Illustration References

Product details

  • No. of pages: 238
  • Language: English
  • Copyright: © Academic Press 2019
  • Published: July 10, 2019
  • Imprint: Academic Press
  • eBook ISBN: 9780128172919
  • Paperback ISBN: 9780128167168

About the Authors

Bai Shaoxian

Bai Shaoxian is a professor at Zhejiang University of Technology in China. He received a PhD in mechanical engineering from South China University of Technology, and has over 10 years’ experience in fluid lubrication and sealing technology, particularly the theory of gas thermohydrodynamic lubrication. His research focusses on thermohydrodynamic lubrication, and the design of mechanical seals.

Affiliations and Expertise

Professor, Zhejiang University of Technology, China

Wen Shizhu

Wen Shizhu is a professor at Tsinghua University in China. He is a member of the Chinese Academy of Science, and Honorary Director of the State Key Laboratory of Tribology. He has researched tribology for 50 years, focussing on the theory of elastohydrodynamic and thin film lubrication, the mechanisms and control of friction and wear, nano-tribology, and micro-machine design.

Affiliations and Expertise

Professor, Tsinghua University, China

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