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Paliers Hydrodynamiques
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Book Synopsis Hydrodynamic Lubrication by : J. Frene
Download or read book Hydrodynamic Lubrication written by J. Frene and published by Elsevier. This book was released on 1997-11-10 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrodynamic Lubrication is the culmination of over 20 years close, collaborative work by the five authors and discusses the practical use of the formalization of low pressure lubrication. The work concentrates on the developments to journal and thrust bearings and includes subjects such as: • the dynamic behaviour of plain and tilting-pads • the thermal aspects • the positive and negative effects of non-cyclindricity and shape defects resulting from manufacturing or operation • the effects of inertia • the appearance of Taylor's vortices and of turbulence and their repercussions. The book contains an abundance of test results objectively compared with theoretical conclusions and a chapter on "technical considerations" to ensure that draft mechanisms will work satisfactorily under the imposed conditions. Hydrodynamic Lubrication is an essential reference book for future and practising engineers who want to put hydrodynamic and hydrostatic journal bearings and thrust bearings into operation under conditions of total safety.
Book Synopsis The Tribological and Structural Behavior of Untextured and Textured Plain Bearings by : Nadia Bendaoud
Download or read book The Tribological and Structural Behavior of Untextured and Textured Plain Bearings written by Nadia Bendaoud and published by Cambridge Scholars Publishing. This book was released on 2022-12-13 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrodynamic bearings and aerodynamic bearings are components which ensure the guiding of rotating machines, such as turbines and reactors. This equipment operates under very severe operating conditions, with a high rotational speed and high radial load. In order to improve the hydrodynamic performance of these rotating machines, manufacturers specializing in the manufacture of hydrodynamic plain bearings have designed a bearing model with its textured interior surface. This book provides a numerical analysis carried out to observe the effect of a turbulent fluid flow in a non-textured and textured plain bearing and to see the improvement in hydrodynamic and tribological performance on both un-textured and textured surfaces of plain bearings, under severe operating parameters. It also presents an analysis of the structural behavior of a hydrodynamic and aerodynamic bearing with a non-textured and textured surface.
Book Synopsis Thin Films in Tribology by : G. Dalmaz
Download or read book Thin Films in Tribology written by G. Dalmaz and published by Elsevier. This book was released on 1993-09-06 with total page 763 pages. Available in PDF, EPUB and Kindle. Book excerpt: The tribological properties of relatively moving surfaces are greatly influenced by thin surface films which are of considerable importance in the design of machine components. From Victorian days when working lubricant films were calculated in tens of micrometres, to today when molecular dynamics simulations and even experiments are beginning to look at nanometre, single molecule thick films, the study of surfaces which is the tribologists' challenge has moved to finer and finer scales.The 66 papers in this volume provide reviews across the tribological field with thin films as their theme, giving a comprehensive and concise description on topics ranging from coatings and surface modification to bio-tribology. The articles provide the reader with an outline of their most effective application and potential uses in new technologies. The volume will be of interest not only to research workers and design engineers in the fields of new machine developments and lubrication, but also to engineers and students specialising in tribology.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1977 with total page 1082 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diagnostics of Rotating Machines in Power Plants by : G. Diana
Download or read book Diagnostics of Rotating Machines in Power Plants written by G. Diana and published by Springer. This book was released on 2014-05-04 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers presented on this occasion examined the most significant aspects of diagnostic strategies, emphasizing the importance of predictive maintenance in reducing production shortages and the costs of plant management. The contributions of these authors allow a critical comparison of the varied experiences in developing and applying the different diagnostic methodologies employed in several parts of the world. The following problems are discussed: characteristics of condition monitoring systems - data acquisition techniques and data processing methodologies; choice of transducers and of measurement point locations; data compression techniques; alarm levels evaluation (acceptance regions); strategies for detecting malfunction conditions; diagnostic methodologies for the on-line and off-line identification of the cause of fault; expert systems; definition of the guidelines for the presentation in control rooms of monitoring data and diagnostic results; rotordynamic models used, off-line, to confirm faults diagnosed on-line.
Book Synopsis Fluid Film Lubrication by : Andras Z. Szeri
Download or read book Fluid Film Lubrication written by Andras Z. Szeri and published by Cambridge University Press. This book was released on 2010-12-27 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluid film bearings are machine elements that should be studied within the broader context of tribology. The three subfields of tribology - friction, lubrication, and wear - are strongly interrelated. The last decade has witnessed significant advances in the area of fluid film lubrication and its applications, and this second edition offers a look at some of these advances. This edition adds to the fundamentals of fluid film lubrication, a discourse on surface effects and the inclusion of treatment of flow with significant inertia within the section on turbulence. Basic ideas of the multigrid method are conveyed along with multilevel multi-integration in the treatment of elastohydrodynamic lubrication. New chapters have been included on ultra-thin films, both liquid and gaseous, and lubrication of articulating joints and their replacement. Some of the most recent literature is discussed.
Book Synopsis Journal-Bearing Databook by : Tsuneo Someya
Download or read book Journal-Bearing Databook written by Tsuneo Someya and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Journal bearings, which are used in all kinds of rotating machinery, do not only support static loads, such as the weight of rotors and load caused by transmitted torque of reduction gears, but are, in addition almost the only machine element that is able to suppress various exciting forces acting on the rotating shaft. As rotating machines have become large and multi-staged, while compactness, high speed, and high output have also been realized in recent years, not only has the bearing load increased, but also the magnitude and variety of exciting forces. Therefore, the role and importance of journal bearings have increased tremendous ly. In particular, for the design of rotating machines with low vibration levels and high reliability, knowledge of the exact characteristic data of bearings, and especial ly of the stiffness or spring coefficients and the damping coefficients of oil films in bearings, is essential. However, the amount of reliable data now applicable to practical design is limited. Through the activity of the Research Subcommittee on Dynamic Charac teristics of Journal Bearings and Their Applications (designated as PSC 28), estab lished and organized in June 1979 through May 1982 within the Japan Society of Mechanical Engineers (JSME), these coefficients, together with static characteris tics, have been calculated and also measured on a number of new test rigs.
Book Synopsis Fluid Film Lubrication - Osborne Reynolds Centenary by : D. Berthe
Download or read book Fluid Film Lubrication - Osborne Reynolds Centenary written by D. Berthe and published by Elsevier. This book was released on 1987-10-01 with total page 707 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis IUTAM Symposium on Numerical Simulation of Non-Isothermal Flow of Viscoelastic Liquids by : J.F. Dijksman
Download or read book IUTAM Symposium on Numerical Simulation of Non-Isothermal Flow of Viscoelastic Liquids written by J.F. Dijksman and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last decades a considerable effort has been made on the computation of the isothermal flow of viscoelastic fluids. In fact the activities related to this particular field of non-Newtonian fluid mechanics have focused on the following questions: which type of constitutive equation describes non-Newtonian fluid behaviour; how to measure fluid parameters; and what type of computational scheme leads to reliable, stable and cost-effective computer programs. During the same period, typical non-Newtonian fluid phenomena have been experimentally examined, such as the flow through a `four-to-one' contraction, the flow around a sphere or separation flow, providing fresh challenges for numerical modellers. Apart from momentum transport, however, fluid flow is strongly influenced by heat treansport in most real industrial operations in which non-Newtonian fluids are processed. The IUTAM Symposium on `Numerical Simulation of Nonisothermal Flow of Viscoelastic Liquids' held at Rolduc Abbey in Kerkrade, the Netherlands, November 1--3, 1993, was organised to monitor the state of affairs in regard to the influence of nonisothermal effects on the flow of a viscoelastic liquid. The present collection of papers gives an overview of what has been achieved so far. It is a milestone in the rapidly emerging and exciting new field in non-Newtonian fluid mechanics.
Book Synopsis Revue Roumaine Des Sciences Techniques by :
Download or read book Revue Roumaine Des Sciences Techniques written by and published by . This book was released on 1973 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Paliers hydrodynamiques by : Dominique Bonneau
Download or read book Paliers hydrodynamiques written by Dominique Bonneau and published by Lavoisier. This book was released on 2011-09-01 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Paper written by and published by . This book was released on 1999 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flow Induced Vibrations in Liquid Metal Fast Breeder Reactors by : International Atomic Energy Agency
Download or read book Flow Induced Vibrations in Liquid Metal Fast Breeder Reactors written by International Atomic Energy Agency and published by . This book was released on 1989 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the nuclear industry, flow induced vibrations are assessed early in the design process and the results are incorporated in the design procedures. This report is a general survey of experimental and calculational methods in this area of structural mechanics. It was written by Dr. R.J. Gibert of CEA, France.
Book Synopsis FEMCAD-88: Numerical analysis and computer aided design by :
Download or read book FEMCAD-88: Numerical analysis and computer aided design written by and published by . This book was released on 1988 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ASME Technical Papers written by and published by . This book was released on 1999 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fluid Sealing written by B. D. Halligan and published by Wiley-Blackwell. This book was released on 1997 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emmission control is a critical function in plant equipment machinery and transportation systems. Failure of a seal can have expensive and hazardous consequences. BHR Group's 15th international conference on fluid sealing, held at Maastricht, The Netherlands in Sep 1997 addresses these issues by providing a firm foundation for future developments and insights into applications of the best available technologies.
Download or read book The Shock and Vibration Digest written by and published by . This book was released on 1979 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
