Gas Lubrication
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Gas Lubrication
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Author : Virgiliu Niculae Constantinescu
language : en
Publisher:
Release Date : 1969
Gas Lubrication written by Virgiliu Niculae Constantinescu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Science categories.
Gas Thermohydrodynamic Lubrication And Seals
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Author : Bai Shaoxian
language : en
Publisher: Academic Press
Release Date : 2019-07-10
Gas Thermohydrodynamic Lubrication And Seals written by Bai Shaoxian and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-10 with Technology & Engineering categories.
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
Lubrication
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Author : A. R. Lansdown
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Lubrication written by A. R. Lansdown and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.
Lubrication: A Practical Guide to Lubricant Selection provides a guide to modern lubrication practice in industry, with emphasis on practical application, selection of lubricants, and significant factors that determine suitability of a lubricant for a specific application. Organized into 13 chapters, this book begins with a brief theoretical opening chapter on the basic principles of lubrication. A chapter then explains the choice of lubricant type, indicating how to decide whether to use oil, grease, dry lubricant, or gas lubrication. Subsequent chapters deal with detailed selection of lubricating oils, oil systems, oil changing, greases, dry lubricants, gas lubrication, sealing, testing, monitoring, and handling of lubricants. The final chapter describes the main hazards associated with lubricants and some of the techniques for controlling those hazards. This book will be of value to technical staffs who use lubricants in their work; to students of mechanical, production, or maintenance engineering; and to others, such as buyers and storekeepers concerned with lubricants.
Fundamentals Of Gas Lubrication
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Author : Coda H. T. Pan
language : en
Publisher:
Release Date : 1977
Fundamentals Of Gas Lubrication written by Coda H. T. Pan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Gas-lubricated bearings categories.
Fluid film lubrication is an exceptional mechanical process in that viscous shear stress contributes directly to the useful function of developing a load capacity. Although viscosity also causes bearing friction, the equivalent lift-to-drag ratio of a typical hydrodynamic wedge is in the order of 1000 to 1, which compares favorably to a high performance wing. Lubricant compressibility is the distinctive feature of gas bearings in contrast to the more common liquid lubricated bearings. Although basic concepts such as the hydrodynamic wedge are still applicable to gas bearings despite of lubricant compressibility, many additional features in gas bearings are unique and require separate attention.
Lubrication Fundamentals
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Author : Don M. Pirro
language : en
Publisher: CRC Press
Release Date : 2001-08-28
Lubrication Fundamentals written by Don M. Pirro and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-08-28 with Science categories.
Building on the cornerstone of the first edition, Lubrication Fundamentals Second Edition outlines the emergence of higher performance-specialty application oils and greases and emphasizes the need for lubrication and careful lubricant selection. Thoroughly updated and rewritten since the previous edition reached its 10th printing, the book discuss
Gas Bearing Symposium On Recent Advances And Applications Of Gas Lubrication
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Author :
language : en
Publisher:
Release Date : 1965
Gas Bearing Symposium On Recent Advances And Applications Of Gas Lubrication written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Gas-lubricated bearings categories.
Gas Lubrication Of Bearings At High Temperatures
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Author : John S. Meacher
language : en
Publisher:
Release Date : 1963
Gas Lubrication Of Bearings At High Temperatures written by John S. Meacher and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Bearings (Machinery) categories.
Externally pressurized gas-lubricated journal bearings 1.5 in. in diameter and 2 in. in length and thrust bearings 1.5 in. in diameter were tested with nitrogen as the lubricant gas at temperatures to 1200 F.A variable-inductance type proximity system was applied to the measurement of bearing operating clearances at temperatures up to 1200 F. Clearances were measured under static nonrotating conditions for a wide range of lubricant-supply pressures and bearing loads. Shaft motion was observed during high-speed rotating tests indicating dynamic instability. The effects of lubricant-supply pressure, loading, and temperature on the threshold of instability were recorded. Correlation with theoretical predictions of bearing load capacity, clearance, and whirl threshold was examined. (Author).
Gas Film Lubrication
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Author : William A. Gross
language : en
Publisher:
Release Date : 1962
Gas Film Lubrication written by William A. Gross and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Gas-lubricated bearings categories.
Gas Lubricated Bearings
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Author : Gilbert F. Boeker
language : en
Publisher:
Release Date : 1958
Gas Lubricated Bearings written by Gilbert F. Boeker and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Bearings (Machinery) categories.
Gas Lubrication Of Bearings At Very High Temperatures High Speeds And Low Lubricant Flow Rates
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Author : JOHN S. MEACHER
language : en
Publisher:
Release Date : 1962
Gas Lubrication Of Bearings At Very High Temperatures High Speeds And Low Lubricant Flow Rates written by JOHN S. MEACHER and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.
Journal bearings 1.5 in. in diameter and 2 in. long were tested with N as the lubricant gas over a range of test conditions from room temperature 1900 F, zero speed to 65,000 rpm, under radial loads to 10 lb. The effects of temperature and shaft speed on lubricant gas flow are presented, and correlation with theoretically predicted temperature variation is attempted. Thrust bearings of 1.5 in. diameter were tested with the lubricant gases N, He, Ar and Freon 14 (CF4) over a range of test conditions from room temperature to 1900 F, zero speed to 65,000 rpm, under axial loads to 100 lb. Axial instability was encountered, but was overcome by use of a grooved-recess type of thrust bearing. The effects of load, temperature, supply pressure, and lubricant gas differences on the lubricant-gas flow are presented, and correlation with theoretical predictions is attempted. An all-ceramic rig was used for thrust-bearing tests at 1900 F, and a five-circuit gas supply preheating furnace was put into service. (Author).