Numerical Modelling of Forming of Superconductor PDF Download
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Author: Michael Halloway Hancock
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Michael Halloway Hancock
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Mark Ainslie
Publisher: Iph001
ISBN: 9780750313339
Category : Computers
Languages : en
Pages : 150
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Book Description
The purpose of the book is to provide a comprehensive overview of all the numerical modelling considerations required to model the magnetization of bulk superconductors, with practical examples.
Author: Bertrand Dutoit
Publisher: World Scientific
ISBN: 9811271453
Category : Science
Languages : en
Pages : 329
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Book Description
This book aims to present an introduction to numerical modeling of different aspects of large-scale superconducting applications: electromagnetics, thermal, mechanics and thermo-hydraulics. The importance of computational modeling to advance current superconductor research cannot be overlooked, especially given the enormous benefits provided by superconductors in many human endeavours, including energy generation, medical treatments, and future electrical technologies.Aimed at graduate students, researchers and practitioners in different fields of applied superconductivity, this book consists of four chapters. The chapter on electromagnetics provides a review of the state-of-the-art modeling of electromagnetic phenomena in superconductors, emphasising the theoretical aspects of the different numerical formulations. This is followed by a chapter on thermal effects, dedicated to the simulation of thermal stability and quench in superconducting magnets, with specific examples of magnets used in particle accelerators. Then, the chapter on mechanics provides details of the modeling of forces and stresses in cables composed of second-generation high-temperature superconducting wires. Finally, the chapter on thermo-hydraulics focuses on the fundamental thermal-hydraulic aspects involved in the cooling of superconducting magnets, with special reference to the issues related to the forced-flow cooling.
Author: Mark Ainslie
Publisher:
ISBN: 9780750313346
Category : SCIENCE
Languages : en
Pages : 0
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This book provides readers with numerical analysis techniques to model the magnetisation of bulk superconductors based on the finite element method. Applications of magnetised bulk superconductors are wide ranging in engineering due to their greatly enhanced magnetic field compared to conventional magnets. Their uses include rotating electric machines, magnetic resonance imaging (MRI), nuclear magnetic resonance (NMR) systems and magnetic separation. Numerical modelling is a particularly important and cost-effective method to guide both superconducting material processing and practical device design. It has been used successfully to interpret experimental results and the physical behaviour and properties of bulk superconductors during their various magnetisation processes, to predict and propose new magnetisation techniques and to design and predict the performance of bulk superconductor-based devices. The book provides the necessary fundamentals of bulk superconducting materials, how to model these and their various magnetisation processes and an in-depth summary of the current state-of-the-art in the field. Throughout the book, example models, implemented in the software package COMSOL Multiphysicsa, are provided so that readers may carry out modelling of their own. The current state-of-the-art in modelling bulk superconductors is summarised, including case studies that highlight the usefulness of such models.
Author: Marcus Calhoun-Lopez
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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In this thesis, we will present numerical simulations of type-II superconducting rings using the time dependent Ginzburg-Landau model of superconductivity. In a type-II superconductor, discrete normal regions form called vortices. Our main objective is to better understand the behavior of these vortices as we change the inner radius of the ring and the magnetic field we apply to the ring. In chapter 1, we present some history of superconductivity. We also present some current and future applications of superconductivity to real world applications. In chapter 2, we present the time dependent Ginzburg-Landau model of superconductivity. In chapter 3, we present a weak formulation of the time dependent Ginzburg-Landau equations on an annulus domain. The weak form is the problem we will approximate to obtain our simulations. To dicretize the problem, we use a Galerkin finite element method in space and the backward Euler method in time. The finite dimensional approximation of the weak solution is presented in Chapter 4. Finally, we will report the numerical results of our experiments in chapter 5. Our numerical simulation will yield a complex order parameter [Psi symbol] = [Single bond symbol Psi symbol single bond symbol]e[Superscript iØ]. [Single bond symbol Psi symbol single bond symbol]2 is the density of superconducting charge carriers. By generating contour plots of [Single bond symbol Psi symbol single bond symbol]2 and vector plots of Ø, we will be able to determine the behavior of the vortices as we vary the applied magnetic field and inner radius of the ring. The motion of a vortex induces resistance in a superconductor, so understanding and controlling vortex behavior is important in the construction of devices that use superconductors.
Author: Min Yao
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Qiuliang Wang
Publisher: John Wiley & Sons
ISBN: 1118398173
Category : Science
Languages : en
Pages : 484
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Book Description
Magnets are widely used in industry, medical, scientific instruments, and electrical equipment. They are the basic tools for scientific research and electromagnetic devices. Numerical methods for the magnetic field analysis combined with mathematical optimization from practical applications of the magnets have been widely studied in recent years. It is necessary for professional researchers, engineers, and students to study these numerical methods for the complex magnet structure design instead of using traditional "trial-and-error" methods. Those working in this field will find this book useful as a reference to help reduce costs and obtain good magnetic field quality. Presents a clear introduction to magnet technology, followed by basic theories, numerical analysis, and practical applications Emphasizes the latest developments in magnet design, including MRI systems Provides comprehensive numerical techniques that provide solutions to practical problems Introduces the latest computation techniques for optimizing and characterizing the magnetostatic structure design Well organized and adaptable by researchers, engineers, lecturers, and students Appendix available on the Wiley Companion Website As a comprehensive treatment of the topic, Practical Design of Magnetostatic Structure Using Numerical Simulation is ideal for researchers in the field of magnets and their applications, materials scientists, structural engineers, and graduate students in electrical engineering. The book will also better equip mechanical engineers and aerospace engineers.
Author: Marta Costa Bouzó
Publisher:
ISBN:
Category :
Languages : en
Pages : 134
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Author: Francesco Grilli
Publisher:
ISBN:
Category :
Languages : en
Pages : 109
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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