Error Estimation In Wheel Rail Normal Contact Area Measurements Using Pressure Sensitive Film
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Error Estimation In Wheel Rail Normal Contact Area Measurements Using Pressure Sensitive Film
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Author : Jagoba Lekue
language : en
Publisher: Apprimus Wissenschaftsverlag
Release Date : 2022-06-23
Error Estimation In Wheel Rail Normal Contact Area Measurements Using Pressure Sensitive Film written by Jagoba Lekue and has been published by Apprimus Wissenschaftsverlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-23 with Technology & Engineering categories.
This monograph presents a series of research activities with the goal of determining whether pressure measurement films are a suitable tool for a quantitative assessment of the wheel-rail contact area. Firstly, the effect of influential factors such as geometry, applied load and surface roughness on the resulting imprint was thoroughly examined by means of analytically approachable case studies. This allowed a precise determination of the systematic error that alters experimental outcomes. After that, finite element representations of the measurement procedure were explored in order to characterize the measurement deviation based on mechanical principles. By virtue of the excellent reproducibility of the measurement procedure, as well as the meaningful insight obtained from finite element simulations, an empirically calibrated film model that matches experimental outcomes was developed. This was alternately interposed between wheel and rail models to estimate the measurement error originated under typical operation conditions. The results underline the marked dependence of the measurement error on surface roughness but foresee a robust and reliable use of pressure measurement films for validation of wheel-rail contact models as long as both numerical and experimental solutions represent the same reality of interest.
Thought Evoking Approaches In Engineering Problems
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Author : Yoshimo Ito
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-03-11
Thought Evoking Approaches In Engineering Problems written by Yoshimo Ito and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-11 with Technology & Engineering categories.
In creating the value-added product in not distant future, it is necessary and inevitable to establish a holistic and though-evoking approach to the engineering problem, which should be at least associated with the inter-disciplinary knowledge and thought processes across the whole engineering spheres. It is furthermore desirable to integrate it with trans-disciplinary aspects ranging from manufacturing culture, through liberal-arts engineering and industrial sociology. The thought-evoking approach can be exemplified and typified by representative engineering problems: unveiling essential features in ‘Tangential Force Ratio and Interface Pressure’, prototype development for ‘Bio-mimetic Needle’ and application of ‘Water-jet Machining to Artificial Hip Joint’, product innovation in ‘Heat Sink for Computer’, application of ‘Graph Theory’ to similarity evaluation of production systems, leverage among reciprocity attributes in ‘Industrial and Engineering Designs for Machine Enclosure’ and academic interpretation of skills of mature technician in ‘Scraping’. The book is intended to cultivate the multi-talented engineer of the next generation by providing them with the future perspective and ideas for challenging research and development subjects.
Advances In Dynamics Of Vehicles On Roads And Tracks
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Author : Matthijs Klomp
language : en
Publisher: Springer Nature
Release Date : 2020-02-14
Advances In Dynamics Of Vehicles On Roads And Tracks written by Matthijs Klomp and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-14 with Technology & Engineering categories.
This book gathers together papers presented at the 26th IAVSD Symposium on Dynamics of Vehicles on Roads and Tracks, held on August 12 – 16, 2019, at the Lindholmen Conference Centre in Gothenburg, Sweden. It covers cutting-edge issues related to vehicle systems, including vehicle design, condition monitoring, wheel and rail contact, automated driving systems, suspension and ride analysis, and many more topics. Written by researchers and practitioners, the book offers a timely reference guide to the field of vehicle systems dynamics, and a source of inspiration for future research and collaborations.
Applied Mechanics Reviews
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Author :
language : en
Publisher:
Release Date : 1980
Applied Mechanics Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Mechanics, Applied categories.
Rolling Contact Phenomena
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Author : Bo Jacobson
language : en
Publisher: Springer
Release Date : 2014-05-04
Rolling Contact Phenomena written by Bo Jacobson and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-04 with Science categories.
Preface.- Rolling Contact Phenomena - Linear Elasticity.- Finite Element Methods for Rolling Contact.- Plastic Deformation in Rolling Contact.- Non-Steady State Rolling Contact and Corrugations.- Modelling of Tyre Force and Moment Generation.- Rolling Noise.- Lubrication
Contact Mechanics
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Author : K. L. Johnson
language : en
Publisher: Cambridge University Press
Release Date : 1987-08-28
Contact Mechanics written by K. L. Johnson and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-08-28 with Science categories.
This treatise is concerned with the stresses and deformation of solid bodies in contact with each other, along curved surfaces which touch initially at a point or along a line. Examples are a railway wheel and rail, or a pair of gear wheel teeth. Professor Johnson first reviews the development of the theory of contact stresses since the problem was originally addressed by H. Hertz in 1882. Next he discusses the influence of friction and the topographical roughness of surfaces, and this is incorporated into the theory of contact mechanics. An important feature is the treatment of bodies which deform plastically or viscoelastically. In addition to stationary contact, an appreciable section of the book is concerned with bodies which are in sliding or rolling contact, or which collide.
Popular Science
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Author :
language : en
Publisher:
Release Date : 2007-05
Popular Science written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05 with categories.
Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.
Wheel Rail Interface Handbook
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Author : R. Lewis
language : en
Publisher: Elsevier
Release Date : 2009-09-25
Wheel Rail Interface Handbook written by R. Lewis and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-09-25 with Technology & Engineering categories.
Many of the engineering problems of particular importance to railways arise at interfaces and the safety-critical role of the wheel/rail interface is widely acknowledged. Better understanding of wheel/rail interfaces is therefore critical to improving the capacity, reliability and safety of the railway system. Wheel-rail interface handbook is a one-stop reference for railway engineering practitioners and academic researchers. Part one provides the fundamentals of contact mechanics, wear, fatigue and lubrication as well as state-of-the-art research and emerging technologies related to the wheel/rail interface and its management. Part two offers an overview of industrial practice from several different regions of the world, thereby providing an invaluable international perspective with practitioners’ experience of managing the wheel/rail interface in a variety of environments and circumstances. This comprehensive volume will enable practising railway engineers, in whatever discipline of railway engineering – infrastructure, vehicle design and safety, and so on – to enhance their understanding of wheel/rail issues, which have a major influence on the running of a reliable, efficient and safe railway. One-stop reference on the important topic of wheel rail-interfaces Presents the fundamentals of contact mechanics, wear, fatigue and lubrication Examines state-of-the-art research and emerging technologies related to wheel-rail interface and its management
Scientific American
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Author :
language : en
Publisher:
Release Date : 1897
Scientific American written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1897 with Science categories.
Popular Science
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Author :
language : en
Publisher:
Release Date : 2004-09
Popular Science written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-09 with categories.
Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.