Railway Pantograph-Catenary System : Optimizing Dynamics, Materials, and Performance

• Autore: Yang Zefeng
• Pubblicazione: Chantilly : , : Elsevier, , 2025; ©2025
• Edizione: 1st ed.
• Descrizione fisica: 1 online resource (380 pages)
• Disciplina: 625.1
• Altri autori: WeiWenfu GaoGuoqiang WuGuangning
• Nota di contenuto: Front Cover -- Front Matter -- Titlepage -- Copyright -- Dedication -- Contents -- About the Authors -- Preface -- Chapter 1 Introduction -- 1.1 Introduction -- 1.1.1 Dynamics of pantograph-catenary -- 1.1.2 The pantograph-catenary arc -- 1.1.3 Wear in PCSs -- 1.1.4 Carbon sliding materials -- Chapter 2 Dynamics of a pantograph-catenary system -- 2.1 Overview -- 2.2 Geometric characteristics of a PCS -- 2.2.1 Geometric characteristics of catenary -- 2.2.2 Geometric characteristics of pantograph -- 2.3 Dynamic interaction between pantograph and catenary -- 2.3.1 Elasticity and elastic inhomogeneity of catenary -- 2.3.2 Performance requirements for dynamic interaction of PCS -- 2.4 Simulation techniques for a PCS -- 2.4.1 Method for modeling catenary -- 2.4.2 Method for solving catenary -- 2.4.3 Method for modeling pantograph -- 2.4.4 Method for modeling the PCS model coupling -- 2.4.5 Verification of coupled model -- 2.5 Vibration regularity of the catenary -- 2.5.1 Single cable fluctuation characteristics -- 2.5.2 Catenary wave speed -- 2.5.3 Catenary fluctuation frequency and wavelength -- 2.6 Impact of ice covering on a PCS -- 2.6.1 Simulation of ice loads -- 2.6.2 The influence of ice covering on static characteristics of catenary -- 2.6.3 The influence of ice covering on the dynamic characteristics of the PCS -- 2.7 Impact of wind on a PCS -- 2.7.1 Simulation of wind loads -- 2.7.2 The influence of wind on static characteristics of catenary -- 2.7.3 The influence of wind on the dynamic characteristics of the PCS -- 2.8 Case study: Investigation of PCS interaction and optimal matching at 400 km/h -- 2.8.1 Objective -- 2.8.2 Scope -- 2.8.3 Audience -- 2.8.4 Rationale -- 2.8.5 Expected results and deliverables -- 2.8.6 Actions taken/workflow/tools used/simulations and analyses -- 2.8.7 Challenges and solutions -- 2.8.8 Results. ; 2.8.9 Learning and knowledge outcomes -- References -- Chapter 3 Arc in a pantograph-catenary system -- 3.1 Overview -- 3.2 Physical principles of an arc -- 3.2.1 Arc plasma -- 3.2.2 Air ionization -- 3.2.3 Excitation and radiation transition -- 3.2.4 Recombination and diffusion -- 3.2.5 Electron emission from electrode surfaces -- 3.3 Gas discharge -- 3.3.1 Theory of townsend discharge -- 3.3.2 Theory of streamer discharge -- 3.3.3 Paschen's law -- 3.4 Arc physics characteristics -- 3.4.1 Arc generation -- 3.4.2 Conditions for arc generation -- 3.4.3 Arc ion and energy equilibrium -- 3.4.4 Arc structure -- 3.5 Arc model -- 3.5.1 Circuit/black box model -- 3.5.2 Impedance/voltage-current characteristics model -- 3.5.3 Semiempirical and neural network model -- 3.5.4 Fluid model -- 3.5.5 Arc erosion model -- 3.5.6 Arc temperature model -- 3.6 Influence of complex environment on an arc -- 3.6.1 Influence of Low-Pressure on Arc -- 3.6.2 Influence of strong wind on arc -- 3.6.3 Influence of high humidity on arc -- 3.7 Meridional flow control arc method -- 3.7.1 Magnetic field control arc method -- 3.7.2 Meridional flow control arc method -- 3.8 Conclusion -- 3.8.1 Case study -- References -- Chapter 4 Wear of sliding electric contact in a PCS -- 4.1 Overview -- 4.2 Friction and wear -- 4.2.1 Friction -- 4.2.2 Wear -- 4.2.3 Lubrication -- 4.3 Sliding electric contact -- 4.3.1 Sliding electric contact theory -- 4.3.2 Sliding electric contact mechanism -- 4.3.3 Thermal effect on contact surface -- 4.4 Model for wear of sliding electric contact -- 4.4.1 Smooth surface contact -- 4.4.2 Hertz contact theory -- 4.4.3 G-W model -- 4.4.4 Multilevel model -- 4.5 Sliding electric contact friction and wear characteristics of PCS -- 4.5.1 Electrical contact materials for pantograph-catenary system \(PCS\). ; 4.5.2 General law of sliding electric contact friction and wear -- 4.5.3 Temperature rise of electrical contact in PCS -- 4.5.4 Abnormal wear in PCS -- 4.6 Influence of environmental factors on sliding electric friction and wear -- 4.6.1 Rainy environment -- 4.6.2 Low-temperature environment -- 4.6.3 Low oxygen environment -- 4.7 Case study 1 -- 4.7.1 Prediction of strip uneven wear in metro pantograph-rigid catenary system -- 4.8 Case study 2 -- 4.8.1 The prediction model for the wear of pantograph carbon sliders on EMUs in high-altitude environments -- References -- Chapter 5 Materials of sliding electric contact in a PCS -- 5.1 Pantograph contact material -- 5.1.1 Overview -- 5.2 Properties and properties -- 5.2.1 Mechanical properties -- 5.2.2 Heat conduction -- 5.2.3 Electrical properties -- 5.2.4 Frictional property -- 5.3 Measuring and analyzing -- 5.3.1 Hardness measurement -- 5.3.2 Mechanical test -- 5.3.3 Electrical test -- 5.3.4 Thermal properties test -- 5.3.5 Tribological test -- 5.3.5.2 Friction coefficient measurement -- 5.3.5.3 Wear test -- 5.4 Material failure theory -- 5.4.1 Fracture mechanics theory -- 5.4.2 Fatigue theory -- 5.4.3 Creep theory -- 5.4.4 Thermal fatigue theory -- 5.5 Material preparation -- 5.5.1 Preparation of catenary wire -- 5.5.2 Preparation of pantograph skateboard -- 5.6 Dip metal pantograph slide -- 5.6.1 Iron-reinforced carbon/copper pantograph slide -- 5.7 Boron-reinforced carbon/copper pantograph slide -- 5.7.1 Interfacial bonding -- 5.7.2 Mechanicals -- 5.7.3 Electrical properties -- 5.7.4 Tungsten reinforced carbon/copper pantograph slide -- 5.7.5 Silicon reinforced carbon/aluminum pantograph slide -- 5.7.6 Pre-oxidized carbon fiber reinforced carbon-based pantograph slide -- 5.7.7 Multiscale modified carbon fiber reinforced carbon pantograph slide. ; 5.8 Skeletal structure reinforced carbon-based pantograph slide -- 5.8.1 Root bionic skeletal structure-enhanced carbon pantograph slide -- 5.8.2 Carbon nanotube/carbon black skeleton structure-enhanced carbon-based pantograph slide -- 5.9 Conclusion -- 5.9.1 Case study/activity template -- 5.10 Results -- 5.11 Learning and knowledge outcomes -- References -- APPENDIX A -- Key terms, definitions, and nomenclature -- Section 1: Introduction -- Background -- Problem statement -- Section 2: The dynamic model of PCS under ice-covered catenary -- Method description -- Method procedure -- Materials, equipment, apparatus, and resources -- Details of computational modeling resources -- Optimization and troubleshooting -- Limitations -- Section 3: Formal analysis and investigation, validation, calculation, and expression of results -- Validation, calculation, and expression of results -- Section 4: Discussion and evaluation -- Section 5: Conclusion -- Summary and conclusions -- Acknowledgments -- Further Information -- References -- APPENDIX B -- Introduction -- Background -- Literature review -- Materials and methods -- Method description -- Method procedure -- Details of computational modeling resources -- Optimization and troubleshooting -- Formal analysis and investigation, validation, calculation and expression of results -- Validation, calculation, and expression of results -- Conclusion -- Summary and conclusions -- References -- APPENDIX C -- Kye terms, definitions, and nomenclature -- Section 1: Introduction -- Background -- Problem statement -- Section 2: Materials and methods -- Method description -- Method procedure -- Materials, equipment, apparatus, and resources -- Details of computational modeling resources -- Optimization and troubleshooting -- Limitations. ; Section 3: Formal analysis and investigation, validation, calculation, and expression of results -- Validation, calculation, and expression of results -- Section 4: Discussion and evaluation -- Section 5: Conclusion -- Summary and conclusions -- Acknowledgments -- Further information -- Literature review -- References -- APPENDIX D -- Key terms, definitions, and nomenclature -- Introduction -- Background -- Problem statement -- Literature review -- Materials and methods -- Method description -- Method procedure -- Materials, equipment, apparatus, and resources -- Details of computational modeling resources -- Optimization and troubleshooting -- Limitations -- Formal analysis and investigation, validation, calculation, and expression of results -- Validation, calculation, and expression of results -- Discussion and evaluation -- Conclusion -- Summary and conclusions -- Acknowledgments -- Further information -- References -- APPENDIX E -- Key terms, definitions, and nomenclature -- Introduction -- Background -- Problem statement -- Literature review -- Materials and methods -- Method description -- Method procedure -- Materials, equipment, apparatus, and resources -- Details of computational modeling resources -- Formal analysis and investigation, validation, calculation, and expression of results -- Validation, calculation, and expression of results -- Discussion and evaluation -- Conclusion -- Summary and conclusions -- Acknowledgments -- Further information -- References -- Index -- Back Cover.
• Sommario/riassunto: Railway Pantograph-Catenary System unlocks the theoretical and practical complexities of this key element in high-speed railway electrification.This authoritative volume offers a focused exploration of optimization approaches for the electrical contact process, ensuring consistent, reliable, and efficient performance by addressing the system's.
• Titolo autorizzato: Railway Pantograph-Catenary System
• ISBN: 0-443-36764-7; 0-443-36763-9
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9911048014503321
• Lo trovi qui: Univ. Federico II