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Enhanced Disruption Mitigation in Fusion Plasmas Using Multiple Pellet Injection

Recent study on simultaneous pellet injection in fusion plasmas indicates significant impact on disruption mitigation compared to single pellet injection. The experiment involving multiple shattered pellets in DIII-D provides insights for ITER planning. Observed effects of multiple pellets in DIII-D plasmas deviate from expectations, necessitating adjustments in extrapolating results to ITER scenarios.

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Enhanced Disruption Mitigation in Fusion Plasmas Using Multiple Pellet Injection

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  1. Simultaneous pellet injection observed to impact disruption mitigation metrics compared to single pellet injection in DIII-D • Multiple shattered pellets injected for the first time as planned for ITER • Effect of multiple pellets appears to not sum directly in DIII-D plasmas expected measured • Extrapolation of single-SPI results to ITER may need to account for such effects

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