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Updated: Aug 16, 2026

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
Published on: July 2, 2012
Reduced heat transport between edge-localized-mode bursts at low collisionality and small poloidal Larmor radius
H Urano1, T Takizuka, Y Kamada
1Japan Atomic Energy Research Institute, Naka Fusion Research Establishment, Naka 319-0193, Japan.
Abstract:
Nondimensional parameter dependence of heat transport between edge localized modes (ELMs) is examined for H mode plasmas. The electron heat diffusivity between ELMs is reduced to the level of ion neoclassical transport in the plasma edge region which is affected by ELM burst. At lower edge collisionality, the heat flux assigned to the heat transport between ELMs is reduced and the ELM loss power is enhanced. During the inter-ELM phase, the energy confinement time becomes larger with decreasing the edge collisionality and poloidal Larmor radius.
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