Principles and Design of Mechanical Face Seals
Principles and Design of Mechanical Face Seals

Author: Alan O. Lebeck

Publisher: John Wiley & Sons

Published: 1992-04-16

Total Pages: 804

ISBN-13: 9780471515333

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Examines the fundamentals and practice of both the design and operation of face seals, ranging from washing machines to rocket engine turbopumps. Topics include materials, tribology, heat transfer and solid mechanics. A variety of simple and complex models are proposed and evaluated and specific problems such as heat checking, blistering and instability are considered. Offers 64 tables and 364 references plus useful recommendations regarding the future of seal design.

Mechanical Seals
Mechanical Seals

Author: E. Mayer

Publisher: Butterworth-Heinemann

Published: 2013-10-22

Total Pages: 304

ISBN-13: 1483144488

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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.

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

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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

Wear Reactions Occurring at the Interfaces of Mechanical Face Seals in the Boundary Lubrication Condition
Wear Reactions Occurring at the Interfaces of Mechanical Face Seals in the Boundary Lubrication Condition

Author: David Keith Matthes

Publisher:

Published: 1969

Total Pages: 127

ISBN-13:

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The study of mechanical seal interfacial wear was made using dry nitrogen gas as the sealed fluid and both industrially pure nickel and some nickel-chromium alloys were used as seal ring materials. The experimentally produced wear reactions were studied metallurgically using optical and electron microscopy. For optical investigations, each seal ring was cut at an angle of five degrees to the worn surface in order to elongate the wear impressions. Surface replicas and chemically thinned sections were produced for electron microscopic studies. The data gathered for detailed investigation were photomicrographs of selected wear areas. Stereographic pairs of most wear areas were taken to aid in documenting the surface irregularities observed, by producing a three dimensional effect to the viewer. Photomicrographs of the thin films were taken to make possible the study of the sub-structure of the material immediately below the wear track. (Author).

Fluid Sealing
Fluid Sealing

Author: B. Nau

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 716

ISBN-13: 9401124124

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With this 13th in the series of International Conferences on Fluid Sealing these meetings move into their third decade. To be precise it is now thirty-one years since BHRA, as it then was, convened, with no little trepidation, the first of these Conferences in Ashford, England. The massive set of proceedings now occupies a considerable length of shelf in my bookcase and represents a tremendous technological resource - over 400 separate papers. It is interesting that I seem to refer most often to the earlier volumes, probably most of all to the very first. Perhaps this is because this volume marks the beginning of "historic times", AD 0, for fluid sealing technology. There were of course important publications in this field even before 1961. A notable example is the seminal work of my predecessor at BHRA, Dr D. F. Denny, whose researches on reciprocating fluid power seals, "The sealing mechanism of flexible packings", was published in 1947 by a long since defunct government department, the Ministry of Supply. Another notable source is the Proceedings of the Institution of Mechanical Engineers' 1957 Conference on Lubrication and Wear. However, there is more to fluid st". aling technology than just tribology, as we must now call lubrication and wear, interest in static seals has really come to the fore in recent years - witness the large batch of papers dealing with this subject in the present Conference.