An analysis of quasi-optical grills for lower-hybrid waves for heating and current drive purposes is presented. The tokamak plasma density versus the abscissa entering the plasma is assumed to behave like a step and a subsequent ramp. The study is performed by means of a two-dimensional formulation employing cylindrical waves. A detailed numerical analysis is presented, which allows us to show results for different configurations useful in practical cases and comparisons with the constant-density case.
Quasi-optical grill launching of lower-hybrid waves for a linearly increasing plasma density / R., Borghi; Frezza, Fabrizio; Gerosa, Giorgio; M., Santarsiero; Santini, Carlo; G., Schettini. - In: IEEE TRANSACTIONS ON PLASMA SCIENCE. - ISSN 0093-3813. - 26:4(1998), pp. 1330-1338. [10.1109/27.725166]
Quasi-optical grill launching of lower-hybrid waves for a linearly increasing plasma density
FREZZA, Fabrizio;GEROSA, Giorgio;SANTINI, CARLO;
1998
Abstract
An analysis of quasi-optical grills for lower-hybrid waves for heating and current drive purposes is presented. The tokamak plasma density versus the abscissa entering the plasma is assumed to behave like a step and a subsequent ramp. The study is performed by means of a two-dimensional formulation employing cylindrical waves. A detailed numerical analysis is presented, which allows us to show results for different configurations useful in practical cases and comparisons with the constant-density case.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
