\contentsline {chapter}{\numberline {4}CURRENT DRIVE}{4-1}
\contentsline {section}{\numberline {4.1. }INTRODUCTION}{4-1}
\contentsline {section}{\numberline {4.2. }CURRENT-DRIVER SELECTION}{4-3}
\contentsline {subsection}{\numberline {4.2.1. }Steady-State and Pulsed Operations}{4-3}
\contentsline {subsection}{\numberline {4.2.2. }Survey of Current-Drive Options}{4-4}
\contentsline {subsection}{\numberline {4.2.3. }Current-Drive Techniques for \hbox {ARIES-I}}{4-8}
\contentsline {section}{\numberline {4.3. }BOOTSTRAP CURRENT}{4-11}
\contentsline {subsection}{\numberline {4.3.1. }Theory and Experimental Data Base}{4-11}
\contentsline {subsection}{\numberline {4.3.2. }Calculational Model}{4-13}
\contentsline {subsection}{\numberline {4.3.3. }Predicted Bootstrap Current for \hbox {ARIES-I}}{4-13}
\contentsline {section}{\numberline {4.4. }PHYSICS OF FAST-WAVE CURRENT DRIVE}{4-18}
\contentsline {subsection}{\numberline {4.4.1. }Experimental Status}{4-18}
\contentsline {subsection}{\numberline {4.4.2. }Neoclassical Effects on RF Current Drive}{4-21}
\contentsline {subsection}{\numberline {4.4.3. }Effects of Transit-Time Magnetic Pumping}{4-30}
\contentsline {subsection}{\numberline {4.4.4. }Base Scenario for \hbox {ARIES-I}}{4-32}
\contentsline {subsection}{\numberline {4.4.5. }Critical Issues}{4-36}
\contentsline {section}{\numberline {4.5. }FAST-WAVE CURRENT-DRIVE SYSTEM}{4-36}
\contentsline {subsection}{\numberline {4.5.1. }Folded-Waveguide Launcher}{4-37}
\contentsline {subsection}{\numberline {4.5.2. }Special Launcher Design Features}{4-41}
\contentsline {subsection}{\numberline {4.5.3. }High-Performance Launcher Option}{4-44}
\contentsline {subsection}{\numberline {4.5.4. }Wave Coupling Analysis}{4-46}
\contentsline {subsection}{\numberline {4.5.5. }Phased-Array Launcher Design}{4-49}
\contentsline {subsection}{\numberline {4.5.6. }Design and Performance of the RF System}{4-52}
\contentsline {subsection}{\numberline {4.5.7. }Critical Issues}{4-55}
\contentsline {section}{\numberline {4.6. }NEUTRAL-BEAM CURRENT DRIVE}{4-57}
\contentsline {subsection}{\numberline {4.6.1. }Physics and Base Scenario}{4-57}
\contentsline {subsection}{\numberline {4.6.2. }Neutral Beam System}{4-59}
\contentsline {subsection}{\numberline {4.6.3. }Critical Issues}{4-61}
\contentsline {section}{\numberline {4.7. }SUMMARY}{4-62}
\contentsline {section}{REFERENCES}{4-64}