Resonant mode analysis in toroidal cavities with elliptical cross sections

Author

Wu, Han-Ming ; Carrera, Rodolfo ; Dong, Jiaqi ; Oakes, Melvin E.

Author_Institution

Inst. of Mech., Acad. Sinica, Beijing, China

Volume

20

Issue

1

fYear

1992

fDate

2/1/1992 12:00:00 AM

Firstpage

19

Lastpage

23

Abstract

Resonant cavity modes in a torus with elliptical cross section are studied by means of a direct variational method. The nonlinear effects of toroidicity and ellipticity on the frequency of the basic mode are analyzed simply and systematically without the restriction of linear theory. It is shown that the toroidicity effect on the m=0 transverse magnetic mode is ⩽11%. The frequency of the mode shifts ~11-29% when the elongation of the cross section changes from 1 to 2. The effects of toroidicity and ellipticity differ for each resonant mode

Keywords

plasma instability; plasma toroidal confinement; variational techniques; basic-mode frequency; cross section elongation; direct variational method; elliptical cross sections; nonlinear effects; resonant mode analysis; toroidal cavities; transverse magnetic mode; Electric breakdown; Magnetic flux; Magnetic resonance; Physics; Plasma density; Plasma devices; Power engineering and energy; Radio frequency; Tokamaks; Toroidal magnetic fields;

fLanguage

English

Journal_Title

Plasma Science, IEEE Transactions on

Publisher

ieee

ISSN

0093-3813

Type

jour

DOI

10.1109/27.120189

Filename

120189