NIFS-046

FULL TEXT (PDF, 574 KB)


Author(s):

K.Kusano, T.Tamano and T. Sato

Title:

Simulation Study of Nonlinear Dynamics in Reversed-Field Pinch Configuration

Date of publication:

Sep. 1990

Key words:

reversed field pinch, dynamo, self-sustainment of reversed field, phase locking, nonlinear dynamics, nonlinear coupling of kink modes, MHD simulation

Abstract:

Significant progress in our understanding of nonlinear dynamics in reversed-field pinch (RFP) has been achieved through the 3D MHD simulation study. In particular, we have shed light on: 1) the details of the dynamo process, 2) the self-sustainment mechanism, and 3) the phase locking of kink modes. The most important finding in these studies is that the nonlinear coupling between a few unstable kink modes almost plays an essential role in all these MHD dynamics of RFP.

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