1976•Unpublished venueOpen access

Calculation of magnetic field ripple effects in circular and noncircular tokamaks

N. A. Uckan, T. Uckan, J. R. Moore

Abstract

A computer model (RIPPLE) was developed to examine the magnetic field ripple effects on plasma transport and on scaling in circular and noncircular tokamaks. Calculations include the radial and poloidal variation in the magnitude of the field ripple. Two main magnetic field computer programs were used to calculate the magnetic field due to current flowing in a coil of finite rectangular cross section: BFULT for tori of circular coils, and BOVAL for tori of noncircular coils. This paper presents the relevant results and discusses the criteria for the choice of the number of toroidal field coils for a given tokamak configuration.

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Key concepts: Tokamak, Ripple, Magnetic field, Electromagnetic coil, Torus, Physics, Toroid, Plasma