Study of the phase transition dynamics of the L to H transition
Description:
A highly radiating zone (MARFE) just above the divertor X-point has been used to access the marginal transition regime P{sub sep} {approx} P{sub thres} to study the existence of a critical point for the L to H transition. Phase transition models predict that at the critical point, the transition duration increases and the plasma parameters vary continuously between L-mode and H-mode. In these experiments, the L to H transition duration increased 50--100 times over fast transitions. However, the…
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Date:
September 1, 1997
Creator:
Moyer, R. A.; Rhodes, T. L. & Rettig, C. L.
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