\contentsline {chapter}{\numberline {7}MAGNET ENGINEERING}{7-1}
\contentsline {section}{\numberline {7.1. }INTRODUCTION}{7-1}
\contentsline {section}{\numberline {7.2. }MATERIALS OPTIONS}{7-2}
\contentsline {subsection}{\numberline {7.2.1. }Superconductors}{7-2}
\contentsline {paragraph}{NbTi (multifilament).}{7-3}
\contentsline {paragraph}{Nb$_3$Sn\ (multifilament).}{7-3}
\contentsline {paragraph}{Nb$_3$A$\ell $\ and Nb$_3$(A$\ell $,Ge)\ (tape).}{7-4}
\contentsline {paragraph}{V$_3$Ga\ (multifilament).}{7-6}
\contentsline {paragraph}{Strain degradation.}{7-6}
\contentsline {subsection}{\numberline {7.2.2. }Structural Materials (In-Plane Loads)}{7-6}
\contentsline {subsubsection}{\numberline {7.2.2.1. }Stabilizer materials}{7-8}
\contentsline {subsubsection}{\numberline {7.2.2.2. }Isotropic metals}{7-9}
\contentsline {subsubsection}{\numberline {7.2.2.3. }Composites}{7-11}
\contentsline {subsubsection}{\numberline {7.2.2.4. }Prediction of composite properties}{7-12}
\contentsline {section}{\numberline {7.3. }FLUX JUMP STABILITY}{7-17}
\contentsline {section}{\numberline {7.4. }TOROIDAL-FIELD COIL DESIGNS}{7-18}
\contentsline {subsection}{\numberline {7.4.1. }Constraints}{7-19}
\contentsline {subsection}{\numberline {7.4.2. }Concepts}{7-20}
\contentsline {subsection}{\numberline {7.4.3. }The \hbox {ARIES-I}\ Reference Toroidal-Field Coil Design}{7-22}
\contentsline {subsubsection}{\numberline {7.4.3.1. }Structural Analysis}{7-23}
\contentsline {subsubsection}{\numberline {7.4.3.2. }Cryostats}{7-38}
\contentsline {subsubsection}{\numberline {7.4.3.3. }Design of a 24-T coil}{7-41}
\contentsline {section}{\numberline {7.5. }POLOIDAL-FIELD SYSTEM DESIGN}{7-49}
\contentsline {subsection}{\numberline {7.5.1. }Magnet Allowables}{7-49}
\contentsline {subsection}{\numberline {7.5.2. }Volt-Second Capability}{7-52}
\contentsline {subsection}{\numberline {7.5.3. }Poloidal-Field Scenarios}{7-56}
\contentsline {section}{\numberline {7.6. }POLOIDAL- AND TOROIDAL-FIELD PULSED LOSSES}{7-58}
\contentsline {subsection}{\numberline {7.6.1. }Method}{7-60}
\contentsline {subsubsection}{\numberline {7.6.1.1. }Transverse hysteresis}{7-60}
\contentsline {subsubsection}{\numberline {7.6.1.2. }Transverse coupling}{7-61}
\contentsline {subsubsection}{\numberline {7.6.1.3. }Parallel field coupling}{7-63}
\contentsline {subsubsection}{\numberline {7.6.1.4. }Parallel field hysteresis}{7-63}
\contentsline {subsection}{\numberline {7.6.2. }Case and Conduit Pulsed Losses}{7-64}
\contentsline {subsection}{\numberline {7.6.3. }Results}{7-65}
\contentsline {section}{\numberline {7.7. }COSTING}{7-70}
\contentsline {subsection}{\numberline {7.7.1. }Toroidal-Field Costing}{7-70}
\contentsline {subsection}{\numberline {7.7.2. }Poloidal-Field Costing}{7-72}
\contentsline {section}{\numberline {7.8. }SUMMARY AND CONCLUSIONS}{7-74}
\contentsline {section}{REFERENCES}{7-77}