OPTIMIZATION OF TOKAMAK PLASMA PRESSURE PROFILE AGAINST IDEAL MHD BALLOONING MODES
Shi Bingren
Abstract
Shi Bingren
Abstract
The ballooning-mode eigenequation for circular tokamak is solved analytically to obtain the dependence of the critical pressure gradients on q-italic-profiles. It is found that considerably high-B stable equilibria can be obtained by current tailoring to produce proper q-italic-profiles in which q-italic value decreases from the centre towards the edge of confined plasmas.
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The ballooning-mode eigenequation for circular tokamak is solved analytically to obtain the dependence of the critical pressure gradients on q-italic-profiles. It is found that considerably high-B stable equilibria can be obtained by current tailoring to produce proper q-italic-profiles in which q-italic value decreases from the centre towards the edge of confined plasmas.
Key concepts: Ballooning, Tokamak, Magnetohydrodynamics, Plasma, Physics, Pressure gradient, Mechanics, Nuclear physics