Gas Thermohydrodynamic Lubrication and Seals

Gas Thermohydrodynamic Lubrication and Seals

Author: Bai Shaoxian

Publisher: Academic Press

Published: 2019-07-10

Total Pages: 240

ISBN-13: 0128172916

DOWNLOAD EBOOK

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. - 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


Fundamentals of Fluid Film Lubrication

Fundamentals of Fluid Film Lubrication

Author: Mihir Kumar Ghosh

Publisher: McGraw Hill Professional

Published: 2014-06-20

Total Pages: 497

ISBN-13: 0071834982

DOWNLOAD EBOOK

Comprehensive coverage of fluid film lubrication Written by global experts in the field, this in-depth engineering resource discusses the theory, design, analysis, and application of fluid film lubrication, providing proven methods for reducing friction in rotating machinery components. The book thoroughly addresses all aspects of the topic, from viscosity and rotor-bearing dynamics to elastohydrodynamic lubrication and fluid inertia effects. Fully worked examples, analytical and numerical methods of solutions, practice problems, and detailed illustrations are included in this authoritative reference. Fundamentals of Fluid Film Lubrication covers: Introduction to tribology Viscosity and rheology of lubricants Mechanics of lubricant films and basic equations Hydrodynamic lubrication Finite bearings Thermohydrodynamic analysis of fluid film bearings Design of hydrodynamic bearings Dynamics of fluid film bearings Externally pressurized lubrication Fluid inertia effects and turbulence in fluid film lubrication Gas-lubricated bearings Hydrodynamic lubrication of rolling contacts Elastohydrodynamic lubrication Vibration analysis with lubricated ball bearings Thermal effect in rolling–sliding contacts


Mechanical Seals

Mechanical Seals

Author: E. Mayer

Publisher: Butterworth-Heinemann

Published: 2013-10-22

Total Pages: 304

ISBN-13: 1483144488

DOWNLOAD EBOOK

Mechanical Seals, Third Edition is a source of practical information on the design and use of mechanical seals. Topics range from design fundamentals and test rigs to leakage, wear, friction and power, reliability, and special designs. This text is comprised of nine chapters; the first of which gives a general overview of seals, including various types of seals and their applications. Attention then turns to the fundamentals of seal design, with emphasis on six requirements that must be considered: sealing effectiveness, length of life, reliability, power consumption, space requirements, and cost effectiveness. The next chapter is devoted to test rigs used to establish the effect of the various seal parameters on the behavior of face seals. Special test rigs used to establish leakage, wear, friction losses, and temperature distributions for various material combinations, rubbing speeds, pressures, fluid media, and temperatures are highlighted. The following chapters explain primary leakage through the seal gap between the faces of the seals; factors that contribute to seal wear; friction and power of a mechanical seal; relationship of leakage to wear and friction of a balanced face seal; and importance of seal reliability and operating safety. The final chapter explores particularly interesting sealing problems together with the use of special accessories such as heat exchangers; magnetic and cyclone separators; and techniques such as cooling and auxiliary circulation. This book will be useful to mechanical engineers as well as seal designers and seal users.


Fluid Film Lubrication - Osborne Reynolds Centenary

Fluid Film Lubrication - Osborne Reynolds Centenary

Author: D. Berthe

Publisher: Elsevier

Published: 1987-10-01

Total Pages: 707

ISBN-13: 0080875750

DOWNLOAD EBOOK

The thirteenth Leeds-Lyon Tribology Symposium was devoted to the topic of Fluid Film Lubrication in celebration of the centenary of the publication of the classical paper by Professor Osborne Reynolds in which he identified the mechanism of hydrodynamic lubrication.These proceedings contain more than seventy papers, written by authors from all over the world, covering the entire spectrum of fluid film lubrication. Of particular interest is the detailed consideration of a wide range of machine elements - bearings, seals, cams, rolling elements, as well as the in-depth, state-of-the-art, analytical contributions.