DIII-D RESEARCH OPPORTUNITIES FORUM FOR THE 2008 EXPERIMENTAL CAMPAIGN
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| Title | 469: Prompt Beam Ion Loss Reduction & Suppression | ||
| Name: | Yubao Zhu ( |
Affiliation: | University of California, Irvine |
| Research Area: | Energetic Particles | Presentation time: | Not requested | Co-Author(s): | W. Heidbrink |
| Description: | The primary goal of this experiment is to actively reduce / suppress
prompt beam ion loss intensity based on our newly investigation results on the fast ion loss conditions. This will build the baseline for other enhanced beam ion loss behaviors and relevant mechanisms study. | ||
| Experimental Approach/Plan: | Piggyback.
Will be performed or combined with other Energetic Particles or MHD experiments. | ||
| Background: | Fast ion confinement and loss are crucial issues for advanced Tokamak
plasmas and ITER/DEMO scale fusion reactors, with the consideration of auxiliary heating & drive efficiency, plasma & fusion performance, and facility safety. Recently, we have confirmed that significant prompt beam ion losses are produced under certain DIII-D plasma conditions. While we are currently making a database for the classification of fast ion loss study, we are seeking some technology for the active control of prompt beam ion loss as our first step. | ||
| Resource Requirements: | Piggyback
NBI, modulated 210RT source is required | ||
| Diagnostic Requirements: | BILD, FIDA & Magnetics | ||
| Analysis Requirements: | ORBIT & EFIT | ||
| Other Requirements: | -- | ||
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