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.

Nonlinear Dynamics Volume 1

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Author : Gaetan Kerschen
language : en
Publisher: Springer
Release Date : 2018-06-06

Nonlinear Dynamics Volume 1 written by Gaetan Kerschen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-06 with Technology & Engineering categories.

Nonlinear Dynamics, Volume 1: Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics, 2018, the first volume of nine from the Conference brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Nonlinear Dynamics, including papers on: Nonlinear System Identification Nonlinear Modeling & Simulation Nonlinear Reduced-order Modeling Nonlinearity in PracticeNonlinearity in Aerospace Systems Nonlinearity in Multi-Physics Systems Nonlinear Modes and Modal Interactions Experimental Nonlinear Dynamics

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 : 1967

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 1967 with Mechanics, Applied categories.

Dissertation Abstracts International

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Author :
language : en
Publisher:
Release Date : 1999

Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Dissertations, Academic categories.

Electrical Measuring Instruments And Measurements

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Author : S.C. Bhargava
language : en
Publisher: CRC Press
Release Date : 2012-12-27

Electrical Measuring Instruments And Measurements written by S.C. Bhargava and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-27 with Computers categories.

This book, written for the benefit of engineering students and practicing engineers alike, is the culmination of the author's four decades of experience related to the subject of electrical measurements, comprising nearly 30 years of experimental research and more than 15 years of teaching at several engineering institutions. The unique feature of this book, apart from covering the syllabi of various universities, is the style of presentation of all important aspects and features of electrical measurements, with neatly and clearly drawn figures, diagrams and colour and b/w photos that illustrate details of instruments among other things, making the text easy to follow and comprehend. Enhancing the chapters are interspersed explanatory comments and, where necessary, footnotes to help better understanding of the chapter contents. Also, each chapter begins with a "recall" to link the subject matter with the related science or phenomenon and fundamental background. The first few chapters of the book comprise "Units, Dimensions and Standards"; "Electricity, Magnetism and Electromagnetism" and "Network Analysis". These topics form the basics of electrical measurements and provide a better understanding of the main topics discussed in later chapters. The last two chapters represent valuable assets of the book, and relate to (a) "Magnetic Measurements", describing many unique features not easily available elsewhere, a good study of which is essential for the design and development of most electric equipment – from motors to transformers and alternators, and (b) "Measurement of Non-electrical Quantities", dealing extensively with the measuring techniques of a number of variables that constitute an important requirement of engineering measurement practices. The book is supplemented by ten appendices covering various aspects dealing with the art and science of electrical measurement and of relevance to some of the topics in main chapters. Other useful features of the book include an elaborate chapter-by-chapter list of symbols, worked examples, exercises and quiz questions at the end of each chapter, and extensive authors' and subject index. This book will be of interest to all students taking courses in electrical measurements as a part of a B.Tech. in electrical engineering. Professionals in the field of electrical engineering will also find the book of use.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1987

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Aeronautics categories.

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

The Engineer

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Author :
language : en
Publisher:
Release Date : 1858

The Engineer written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1858 with Engineering categories.

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.