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XP proposal ELMs characterization in NSTX R. Maqueda, et al.

XP proposal ELMs characterization in NSTX R. Maqueda, et al. Structure and evolution of ELM filamentation in the SOL of great importance for ITER-like devices. NSTX XP Review June 4 st , 2007. TYPE I ELMs. Shot 124353. TYPE III ELMs. Shot 124374. TYPE V ELMs. Shot 124430.

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XP proposal ELMs characterization in NSTX R. Maqueda, et al.

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  1. XP proposal ELMs characterization in NSTX R. Maqueda, et al. Structure and evolution of ELM filamentation in the SOL of great importance for ITER-like devices NSTX XP Review June 4st, 2007

  2. TYPE I ELMs Shot 124353 TYPE III ELMs Shot 124374 TYPE V ELMs Shot 124430 ELMs present in NSTX even after LITER use TYPE I ELM Shot 124353 Lower divertor view Da filter Lower divertor Da (a.u.) ~25 cm GPI view but no puff Da filter Time (s)

  3. Experimental run plan Type I ELMs 1) Reproduce shot 124364 (5 shots). Type III ELMs 2) Reproduce shot 124374 (5 shots). Type V ELMs 3) Reproduce shot 124427 (5 shots). Diagnostics list • Visible fast-imaging (wide angle, gas puff imaging, and divertor) • USXR arrays with different filters and thicknesses • FIReTIP chords • Fast scanning probe • Divertor probes, filterscopes and 1-D cameras • 30-point Thomson scattering • Mirnov arrays

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