STUDY OF MAGNETOHYDRODYNAMIC STABILITY IN DAMAVAND TOKAMAK WITH LARGE ASPECT RATIO

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DINI F.; KHORASANI S.

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Paper Information

Journal: JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY Year:2009 | Volume:- | Issue:3 (49) Page(s): 14-26

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Information Journal Paper

Title

STUDY OF MAGNETOHYDRODYNAMIC STABILITY IN DAMAVAND TOKAMAK WITH LARGE ASPECT RATIO

Author(s)

DINI F. | KHORASANI S. | Issue Writer Certificate

Keywords

DAMAVND TOKAMAKQ2

MAGNETOHYDRODYNAMICQ3

PLASMA STABILITYQ3

PLASMA RADIAL PROFILESQ3

PLASMA CONFINEMENTQ3

INSTABILITYQ3

GREEN FUNCTIONQ2

PERTURBATION THEORYQ2

MAGNETIC FLUXQ3

ASPECT RATIOQ3

Abstract

Ideal MAGNETOHYDRODYNAMIC (MHD) equilibrium is vulnerable to numerous unstabilizing mechanisms. Instabilities introduce distortions to the plasma magnetic surfaces and their boundaries, their driving force being the radial gradient of plasma toroidal current density. For certain modal numbers, internal kink modes may develop, and their study is feasible according to the energy principle, in which the change in total potential energy is evaluated due to the disturbance. In this paper, we present a new analysis of MHD equilibrium and stability, and apply it to Damavand Tokamak which has a large ASPECT RATIO. For this purpose, we combine the perturbation and Green's function methods to solve the equilibrium configuration problem. At this stage, plasma profiles are found explicitly in terms of Bessel functions, and we present a simple expression for estimation of total toroidal plasma current. Then the rest of plasma profiles, including poloidal MAGNETIC FLUX, safety factor, and toroidal current density, are obtained and plotted. In the next step, we turn to the stability calculations and characterize the stable and unstable ideal MHD modes of Damavand plasma.

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References

CALCULATION OF THE NEOCLASSICAL CONDUCTIVITY OF PLASMA AND FRACTION OF TRAPPED PARTICLES FOR ELONGATED DA-MAVAND TOKAMAK

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APA: Copy

DINI, F., & KHORASANI, S.. (2009). STUDY OF MAGNETOHYDRODYNAMIC STABILITY IN DAMAVAND TOKAMAK WITH LARGE ASPECT RATIO. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, -(3 (49)), 14-26. SID. https://sid.ir/paper/97692/en

Vancouver: Copy

DINI F., KHORASANI S.. STUDY OF MAGNETOHYDRODYNAMIC STABILITY IN DAMAVAND TOKAMAK WITH LARGE ASPECT RATIO. JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY[Internet]. 2009;-(3 (49)):14-26. Available from: https://sid.ir/paper/97692/en

IEEE: Copy

F. DINI, and S. KHORASANI, “STUDY OF MAGNETOHYDRODYNAMIC STABILITY IN DAMAVAND TOKAMAK WITH LARGE ASPECT RATIO,” JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, vol. -, no. 3 (49), pp. 14–26, 2009, [Online]. Available: https://sid.ir/paper/97692/en

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