Modeling of Rolling Element Bearing Mechanics. Theoretical Manual

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722645823
Total Pages : 96 pages
Book Rating : 4.6/5 (458 download)

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Book Synopsis Modeling of Rolling Element Bearing Mechanics. Theoretical Manual by : National Aeronautics and Space Administration (NASA)

Download or read book Modeling of Rolling Element Bearing Mechanics. Theoretical Manual written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-10 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents the theoretical basis for the Rolling Element Bearing Analysis System (REBANS) analysis code which determines the quasistatic response to external loads or displacement of three types of high-speed rolling element bearings: angular contact ball bearings; duplex angular contact ball bearings; and cylindrical roller bearings. The model includes the effects of bearing ring and support structure flexibility. It is comprised of two main programs: the Preprocessor for Bearing Analysis (PREBAN) which creates the input files for the main analysis program; and Flexibility Enhanced Rolling Element Bearing Analysis (FEREBA), the main analysis program. A companion report addresses the input instructions for and features of the computer codes. REBANS extends the capabilities of the SHABERTH (Shaft and Bearing Thermal Analysis) code to include race and housing flexibility, including such effects as dead band and preload springs. Merchant, David H. and Greenhill, Lyn M. Unspecified Center...

Modeling of Rolling Element Bearing Mechanics. Computer Program User's Manual

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722645502
Total Pages : 64 pages
Book Rating : 4.6/5 (455 download)

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Book Synopsis Modeling of Rolling Element Bearing Mechanics. Computer Program User's Manual by : National Aeronautics and Space Administration (NASA)

Download or read book Modeling of Rolling Element Bearing Mechanics. Computer Program User's Manual written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-10 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides the user's manual for the Rolling Element Bearing Analysis System (REBANS) analysis code which determines the quasistatic response to external loads or displacement of three types of high-speed rolling element bearings: angular contact ball bearings, duplex angular contact ball bearings, and cylindrical roller bearings. The model includes the defects of bearing ring and support structure flexibility. It is comprised of two main programs: the Preprocessor for Bearing Analysis (PREBAN) which creates the input files for the main analysis program, and Flexibility Enhanced Rolling Element Bearing Analysis (FEREBA), the main analysis program. This report addresses input instructions for and features of the computer codes. A companion report addresses the theoretical basis for the computer codes. REBANS extends the capabilities of the SHABERTH (Shaft and Bearing Thermal Analysis) code to include race and housing flexibility, including such effects as dead band and preload springs. Greenhill, Lyn M. and Merchant, David H. Unspecified Center...

Modeling of Rolling Element Bearing Mechanics

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722380687
Total Pages : 36 pages
Book Rating : 4.3/5 (86 download)

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Book Synopsis Modeling of Rolling Element Bearing Mechanics by : National Aeronautics and Space Administration (NASA)

Download or read book Modeling of Rolling Element Bearing Mechanics written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-05 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Rolling Element Bearing Analysis System (REBANS) extends the capability available with traditional quasi-static bearing analysis programs by including the effects of bearing race and support flexibility. This tool was developed under contract for NASA-MSFC. The initial version delivered at the close of the contract contained several errors and exhibited numerous convergence difficulties. The program has been modified in-house at MSFC to correct the errors and greatly improve the convergence. The modifications consist of significant changes in the problem formulation and nonlinear convergence procedures. The original approach utilized sequential convergence for nested loops to achieve final convergence. This approach proved to be seriously deficient in robustness. Convergence was more the exception than the rule. The approach was changed to iterate all variables simultaneously. This approach has the advantage of using knowledge of the effect of each variable on each other variable (via the system Jacobian) when determining the incremental changes. This method has proved to be quite robust in its convergence. This technical memorandum documents the changes required for the original Theoretical Manual and User's Manual due to the new approach. Ryan, S. G. Marshall Space Flight Center ...

Modeling of Rolling Element Bearing Mechanics--computer Program Updates

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Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (844 download)

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Book Synopsis Modeling of Rolling Element Bearing Mechanics--computer Program Updates by : S. G. Ryan

Download or read book Modeling of Rolling Element Bearing Mechanics--computer Program Updates written by S. G. Ryan and published by . This book was released on 1997 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 692 pages
Book Rating : 4.:/5 (3 download)

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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 1995 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modeling of Rolling Element Bearing Mechanics

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Publisher : Independently Published
ISBN 13 : 9781792690198
Total Pages : 32 pages
Book Rating : 4.6/5 (91 download)

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Book Synopsis Modeling of Rolling Element Bearing Mechanics by : National Aeronautics and Space Adm Nasa

Download or read book Modeling of Rolling Element Bearing Mechanics written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-12-29 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Roller element bearings provide the primary mechanical interface between rotating and nonrotating components in the high performance turbomachinery of the Space Shuttle Main Engine (SSME). Knowledge of bearing behavior under various loading and environmental conditions is essential to predicting and understanding the overall behavior of turbopumps, including rotordynamic stability, critical speeds and bearing life. The objective is to develop mathematical models and computer programs to describe the mechanical behavior of ball and cylinder roller bearings under the loading and environmental conditions encountered in the SSME and future high performance rocket engines. This includes characteristics such as nonlinear load/motion relationships, stiffness and damping, rolling element loads for life prediction, and roller and cage stability. Greenhill, L. M. NASA-CR-188045, NAS 1.26:188045, KHK-10 NAS8-38607...

Power Transmissions

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Publisher : CRC Press
ISBN 13 : 131538681X
Total Pages : 1081 pages
Book Rating : 4.3/5 (153 download)

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Book Synopsis Power Transmissions by : Datong Qin

Download or read book Power Transmissions written by Datong Qin and published by CRC Press. This book was released on 2016-11-10 with total page 1081 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents papers from the International Conference on Power Transmissions 2016, held in Chongqing, China, 27th-30th October 2016. The main objective of this conference is to provide a forum for the most recent advances, addressing the challenges in modern mechanical transmissions. The conference proceedings address all aspects of gear and power transmission technology and a range of applications. The presented papers are catalogued into three main tracks, including design, simulation and testing, materials and manufacturing, and industrial applications. The design, simulation and testing track covers topics such as new methods and designs for all types of transmissions, modelling and simulation of power transmissions, strength, fatigue, dynamics and reliability of power transmissions, lubrication and sealing technologies and theories, and fault diagnosis of power transmissions. In the materials and manufacturing track, topics include new materials and heat treatment of power transmissions, new manufacturing technologies of power transmissions, improved tools to predict future demands on production systems, new technologies for ecologically sustainable productions and those which preserve natural resources, and measuring technologies of power transmissions. The proceedings also cover the novel industrial applications of power transmissions in marine, aerospace and railway contexts, wind turbines, the automotive industry, construction machinery, and robots.

Monthly Catalog of United States Government Publications

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis Monthly Catalog of United States Government Publications by :

Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalogue, United States Public Documents

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Publisher :
ISBN 13 :
Total Pages : 944 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Monthly Catalogue, United States Public Documents by :

Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1995-11 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Rolling Element Bearing Stiffness Matrix Determination (Presentation).

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Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Rolling Element Bearing Stiffness Matrix Determination (Presentation). by :

Download or read book Rolling Element Bearing Stiffness Matrix Determination (Presentation). written by and published by . This book was released on 2014 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current theoretical bearing models differ in their stiffness estimates because of different model assumptions. In this study, a finite element/contact mechanics model is developed for rolling element bearings with the focus of obtaining accurate bearing stiffness for a wide range of bearing types and parameters. A combined surface integral and finite element method is used to solve for the contact mechanics between the rolling elements and races. This model captures the time-dependent characteristics of the bearing contact due to the orbital motion of the rolling elements. A numerical method is developed to determine the full bearing stiffness matrix corresponding to two radial, one axial, and two angular coordinates; the rotation about the shaft axis is free by design. This proposed stiffness determination method is validated against experiments in the literature and compared to existing analytical models and widely used advanced computational methods. The fully-populated stiffness matrix demonstrates the coupling between bearing radial, axial, and tilting bearing deflections.

Advanced Dynamics of Rolling Elements

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Publisher : Springer Science & Business Media
ISBN 13 : 1461252768
Total Pages : 307 pages
Book Rating : 4.4/5 (612 download)

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Book Synopsis Advanced Dynamics of Rolling Elements by : P.K. Gupta

Download or read book Advanced Dynamics of Rolling Elements written by P.K. Gupta and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: In any rotating machinery system, the bearing has traditionally been a crit ical member of the entire system, since it is the component that permits the relative motion between the stationary and moving parts. Depending on the application, a number of different bearing types have been used, such as oil-lubricated hydrodynamic bearings, gas bearings, magnetic suspensions, rolling element bearings, etc. Hydrodynamic bearings can provide any desired load support, but they are limited in stiffness and the associated power loss may be quite large. Gas bearings are used for high-precision applications where the supported loads are relatively light, bearing power losses are very low, and the rotating speeds generally high. For super precision components where no frictional dissipation or bearing power loss can be tolerated, magnetic suspensions are employed; again, the load support requirements are very low. Rolling element bearings have been widely used for those applications that require greater bearing versatility, due to the requirements for high-load and high-stiffness characteristics, while allowing moderate power loss and permitting variable speeds. A study of the dynamic interaction of rolling elements is, therefore, the subject of this text. Texts covering the analysis and design methodology of rolling elements are very limited. Notable works include Analysis of Stresses and Deflections (Jones, 1946, Vols. I and II), Ball and Roller Bearings, Their Theory, Design and Application (Eschmann, Hasbargen, and Weigand, 1958), Ball and Roller Bearing Engineering (Palmgren, 1959, 3rd ed. ), Advanced Bearing Technology (Bisson and Anderson, 1965), and Rolling Bearing Analysis (Harris, 1966).

Government Reports Announcements & Index

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Publisher :
ISBN 13 :
Total Pages : 532 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1995 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Offshore Wind Energy Technology

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Publisher : John Wiley & Sons
ISBN 13 : 1119097762
Total Pages : 455 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Offshore Wind Energy Technology by : Olimpo Anaya-Lara

Download or read book Offshore Wind Energy Technology written by Olimpo Anaya-Lara and published by John Wiley & Sons. This book was released on 2018-05-29 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: A COMPREHENSIVE REFERENCE TO THE MOST RECENT ADVANCEMENTS IN OFFSHORE WIND TECHNOLOGY Offshore Wind Energy Technology offers a reference based on the research material developed by the acclaimed Norwegian Research Centre for Offshore Wind Technology (NOWITECH) and material developed by the expert authors over the last 20 years. This comprehensive text covers critical topics such as wind energy conversion systems technology, control systems, grid connection and system integration, and novel structures including bottom-fixed and floating. The text also reviews the most current operation and maintenance strategies as well as technologies and design tools for novel offshore wind energy concepts. The text contains a wealth of mathematical derivations, tables, graphs, worked examples, and illustrative case studies. Authoritative and accessible, Offshore Wind Energy Technology: Contains coverage of electricity markets for offshore wind energy and then discusses the challenges posed by the cost and limited opportunities Discusses novel offshore wind turbine structures and floaters Features an analysis of the stochastic dynamics of offshore/marine structures Describes the logistics of planning, designing, building, and connecting an offshore wind farm Written for students and professionals in the field, Offshore Wind Energy Technology is a definitive resource that reviews all facets of offshore wind energy technology and grid connection.

Rolling Bearings Handbook and Troubleshooting Guide

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Publisher : CRC Press
ISBN 13 : 9780801988714
Total Pages : 294 pages
Book Rating : 4.9/5 (887 download)

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Book Synopsis Rolling Bearings Handbook and Troubleshooting Guide by : Raymond A. Guyer, Jr.

Download or read book Rolling Bearings Handbook and Troubleshooting Guide written by Raymond A. Guyer, Jr. and published by CRC Press. This book was released on 1996-10-15 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook shows how to prevent bearing failure, how to avoid replacement and down-time costs, and how to solve bearing failure problems quickly when they do occur - avoiding delayed orders and lost business. No other handbook covers such a wide range of bearing types and seals, shafts and housing, materials and manufacture. There is no other troubleshooting guide to help technicians and mechanics monitor, mount and dismount, and lubricate correctly. Rolling Bearings Handbook and Troubleshooting Guide puts the right maintenance and diagnostic procedures at your fingertips.

Bearings

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Publisher : CRC Press
ISBN 13 : 1351689991
Total Pages : 293 pages
Book Rating : 4.3/5 (516 download)

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Book Synopsis Bearings by : Maurice L. Adams

Download or read book Bearings written by Maurice L. Adams and published by CRC Press. This book was released on 2018-04-19 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bearings: from Technoloogical Foundations to Practical Design Applications provides a modern study of bearing types, design factors, and industrial examples. The major classes of bearings are described, and design concepts are covered for rolling elements, surfaces, pivots, flexures, and compliance surfaces. Fluid film lubrication is presented, and the basics of tribology for bearings is explained. The book also looks at specific applications of bearing technology, including bearings in vehicles, rotating machinery, machine tools, and home appliances. Case studies are also included.

Mechanical Engineering

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Publisher : BoD – Books on Demand
ISBN 13 : 9535105051
Total Pages : 686 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Mechanical Engineering by : Murat Gokcek

Download or read book Mechanical Engineering written by Murat Gokcek and published by BoD – Books on Demand. This book was released on 2012-04-11 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book substantially offers the latest progresses about the important topics of the "Mechanical Engineering" to readers. It includes twenty-eight excellent studies prepared using state-of-art methodologies by professional researchers from different countries. The sections in the book comprise of the following titles: power transmission system, manufacturing processes and system analysis, thermo-fluid systems, simulations and computer applications, and new approaches in mechanical engineering education and organization systems.

Analysis of Rolling Element Bearings

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Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Analysis of Rolling Element Bearings by : Wan Changsen

Download or read book Analysis of Rolling Element Bearings written by Wan Changsen and published by . This book was released on 1991 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis of Rolling Element Bearings provides a comprehensive introduction into the theory and design of rolling element bearings.