22.68J | Spring 2003 | Graduate

Superconducting Magnets

Pages

NTP: Non Textbook Problems

All other homework assignments are from the text: Iwasa, Y. Case Studies in Superconducting Magnets. New York: Plenum, 1994. ISBN: 9780306448812.

SES # ASSIGNMENTS
1 Homework 1: NTP - 1, 2
2 Homework 2: 2.2, 2.3, 2.6, 2.7
3 Homework 3: 3.9, 3.11

NTP - 3, 4

4 Homework 4: 3.12, 3.13, 3.14, 3.17
5 Homework 5: 4.2, 4.7

NTP - 5

8 Homework 6: 5.1, 5.2, 5.4, 5.5
9 Homework 7: 6.9, 6.10, 6.11, 6.13
10 Homework 8: 7.6, 7.7, 7.9, 7.12
11 Homework 9: 8.2, 8.3, 8.8, 8.10

SES # TOPICS KEY DATES
1 Introduction

Superconductivity and Applications

Prospects and Challenges

Homework 1 due
2 Electromagnetic Fields

Static Fields

Time-varying Fields

Homework 2 due
3 Magnets and Fields

Law of Biot and Savart, Solenoids, Hybrid

Dipoles, Quadrupoles, Toroid

Homework 3 due
4 Magnetic Forces and Stresses

Forces in Magnets

Stresses, Structural Design

Homework 4 due
5 _Cryogenics
_
Operation at 4.2K, 1.8K, 20-77K, Cryocooler

Leads, Experimental Techniques

Homework 5 due
6 Quiz 1 (Open Book): Covers Lectures 1-5  
7 _Conductors
_
Nb-Ti and A15 Conductors

Cable-in-Conduit Conductors (CICC), HTS

 
8 _Magnetic Instabilities
_
Bean’s Critical State Model, Magnetization

Flux Jumping, Multifilaments, HTS Windings

Homework 6 due
9 Stability

Cryostability, Dynamic Stability

The MPZ Concept, CICC

Homework 7 due
10 _AC and Other Disturbances
_
AC Losses

Splice and Mechanical Losses

Homework 8 due
11 Protection and HTS Magnets

Protection

HTS Magnets

Homework 9 due
12 Quiz 2 (Open Book): Covers primarily Lectures 6-10  

SES # TOPICS LECTURERS LECTURE NOTES
1 Introduction

Superconductivity and Applications

Prospects and Challenges

Minervini (PDF 1 - 1 of 2 - 1.2 MB) (PDF 1 - 2 of 2 - 2.3 MB) (PDF 2 - 2.0 MB)
2 Electromagnetic Fields

Static Fields

Time-varying fields

Minervini (PDF 1) (PDF 2) (PDF 3)
3 Magnets and Fields

Law of Biot and Savart, Solenoids, Hybrid

Dipoles, Quadrupoles, Toroid

Iwasa  
4 Magnetic Forces and Stresses

Forces in Magnets

Stresses, Structural Design

Minervini (PDF - 1.9 MB)
5 _Cryogenics
_
Operation at 4.2K, 1.8K, 20-77K, Cryocooler

Leads, Experimental Techniques

Iwasa  
7 _Conductors

_Nb-Ti and A15 Conductors

Cable-in-Conduit Conductors (CICC), HTS

Iwasa (PDF 1 of 3 - 2.1 MB) (PDF 2 of 3 - 1.3 MB) (PDF 3 of 3 - 2.6 MB)
8 _Magnetic Instabilities

_Bean’s Critical State Model, Magnetization

Flux Jumping, Multifilaments, HTS Windings

Minervini (PDF 1 - 1.5 MB) (PDF 2)
9 _Stability

_Cryostability, Dynamic Stability

The MPZ Concept, CICC

Iwasa (PDF - 1.2 MB)
10 _AC and Other Disturbances

_AC Losses

Splice and Mechanical Losses

Minervini (PDF - 2.8 MB)
11 Protection and HTS Magnets

Protection

HTS Magnets

Iwasa (PDF - 2.4 MB)

Textbook

Iwasa, Y. Case Studies in Superconducting Magnets. New York: Plenum, 1994. ISBN: 9780306448812.

Wilson, M. N. Superconducting Magnets. New York: Oxford University Press, 1987. ISBN: 9780198548102.

Thome, R. J., and J. M. Tarrh. MHD and Fusion Magnets: Field and Force Design Concepts. Hoboken: Wiley, 1982. ISBN: 9780471093176.

Osamura, K., ed. Composite Superconductors. New York: Marcel Dekker, 1993. ISBN: 9780824791179.

Montgomery, D. B. Solenoid Magnet Design: The Magnetic and Mechanical Aspects of Resistive and Superconducting Systems. Melbourne: Krieger, 1980. ISBN: 9780882759937.

Course Meeting Times

Lectures: 1 session / week, 3 hours / session

Course Decription

This course focuses on one important engineering application of superconductors – the generation of large-scale and intense magnetic fields. It includes a review of electromagnetic theory; detailed treatment of magnet design and operational issues, including “usable” superconductors, field and stress analyses, magnet instabilities, ac losses and mechanical disturbances, quench and protection, experimental techniques, and cryogenics. The course also examines new high-temperature superconductors for magnets, as well as design and operational issues at high temperatures.

Workload

  • Ten 3-hour lectures - a 10-minutes break at midpoint
  • Two 3-hour quizzes
  • Homework problems

Textbook

Iwasa, Y. Case Studies in Superconducting Magnets: Design and Operational Issues. New York: Plenum, 1994. ISBN: 9780306448812.

Topics Covered

  • Introduction
    • Superconductivity and Applications
    • Prospects and Challenges
  • Electromagnetic Fields
    • Static Fields
    • Time-varying fields
  • Magnets and Fields
    • Law of Biot and Savart, Solenoids, Hybrid
    • Dipoles, Quadrupoles, Toroid
  • Magnetic Forces and Stresses
    • Forces in Magnets
    • Stresses, Structural Design
  • Cryogenics
    • Operation at 4.2K, 1.8K, 20-77K, Cryocooler
    • Leads, Experimental Techniques
  • Conductors
    • Nb-Ti and A15 Conductors
    • Cable-in-Conduit Conductors (CICC), HTS
  • Magnetic Instabilities
    • Bean’s Critical State Model, Magnetization
    • Flux Jumping, Multifilaments, HTS Windings
  • Stability
    • Cryostability, Dynamic Stability
    • The MPZ Concept, CICC
  • AC and Other Disturbances
    • AC Losses
    • Splice and Mechanical Losses
  • Protection and HTS Magnets
    • Protection
    • HTS Magnets

Course Info

Learning Resource Types
Lecture Notes
Problem Sets