Field Computation For Accelerator Magnets
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Field Computation for Accelerator Magnets
Author: Stephan Russenschuck
language: en
Publisher: John Wiley & Sons
Release Date: 2011-02-08
Written by a leading expert on the electromagnetic design and engineering of superconducting accelerator magnets, this book offers the most comprehensive treatment of the subject to date. In concise and easy-to-read style, the author lays out both the mathematical basis for analytical and numerical field computation and their application to magnet design and manufacture. Of special interest is the presentation of a software-based design process that has been applied to the entire production cycle of accelerator magnets from the concept phase to field optimization, production follow-up, and hardware commissioning. Included topics: Technological challenges for the Large Hadron Collider at CERN Algebraic structures and vector fields Classical vector analysis Foundations of analytical field computation Fields and Potentials of line currents Harmonic fields The conceptual design of iron- and coil-dominated magnets Solenoids Complex analysis methods for magnet design Elementary beam optics and magnet polarities Numerical field calculation using finite- and boundary-elements Mesh generation Time transient effects in superconducting magnets, including superconductor magnetization and cable eddy-currents Quench simulation and magnet protection Mathematical optimization techniques using genetic and deterministic algorithms Practical experience from the electromagnetic design of the LHC magnets illustrates the analytical and numerical concepts, emphasizing the relevance of the presented methods to a great many applications in electrical engineering. The result is an indispensable guide for high-energy physicists, electrical engineers, materials scientists, applied mathematicians, and systems engineers.
Field Simulation for Accelerator Magnets
Author: Stephan Russenschuck
language: en
Publisher: John Wiley & Sons
Release Date: 2025-04-16
A comprehensive reference to the theory and practice of accelerator-magnet design and measurement Particle accelerators have many fundamental and applied research applications in physics, materials science, chemistry, and life science. To accelerate electrons or hadrons to the required energy, magnets of highly uniform fields are needed, whose design and optimization are some of the most critical aspects of accelerator construction. Field Simulation for Accelerator Magnets is a comprehensive two-volume reference work on the electromagnetic design of iron- and coil-dominated accelerator magnets and methods of magnetic-field measurements. It provides project engineers and beam physicists with the necessary mathematical foundations for their work. Students of electrical engineering and physics will likewise find much value in these volumes, as the challenges to be met for field quality, electrical integrity, and robustness of accelerator magnets require an in-depth knowledge of electromagnetism. Accelerator-magnet design provides an excellent opportunity to learn mathematical methods and numerical techniques that have wide-ranging applications in industry and science. Readers of the two volumes of this work will find: Authorship by the leading expert on magnetic fields of accelerator magnets Detailed discussion of topics such as vector algebra and analysis, network theory, analytical and numerical field computation, magnetic measurements, elementary beam optics, and many more Application of mathematical optimization techniques, multiphysics simulation, and model-based systems engineering
Superconducting Accelerator Magnets
The main topic of the book are the superconducting dipole and quadrupole magnets needed in high-energy accelerators and storage rings for protons, antiprotons or heavy ions. The basic principles of low-temperature superconductivity are outlined with special emphasis on the effects which are relevant for accelerator magnets. Properties and fabrication methods of practical superconductors are described. Analytical methods for field calculation and multipole expansion are presented for coils without and with iron yoke. The effect of yoke saturation and geometric distortions on field quality is studied. Persistent magnetization currents in the superconductor and eddy currents the copper part of the cable are analyzed in detail and their influence on field quality and magnet performance is investigated. Superconductor stability, quench origins and propagation and magnet protection are addressed. Some important concepts of accelerator physics are introduced which are needed to appreciate the demanding requirements on field quality in large storage rings. The operational experience with the superconducting HERA collider serves as an illustration. Finally superconducting correction coils and practical construction and fabrication methods of accelerator magnets are discussed. The physical and technical principles described in the book are substantiated with a wealth of experimental data on multipoles, persistent- and eddy-current effects, quench performance and much more.