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

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

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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