The Structure of the Private Bar in Pre-Revolutionary Russia

Aleynikov, Boris; Yamshchikova, E. M.; Kudryavtsev, A. N.

doi:10.21685/2307-9525-2020-8-3-1

Cited by 1 publication

(1 citation statement)

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“…in terms of electromagnetic loads. A direct blocking of the current on a macroscopic level can however be excluded because the large inductance of the system would imply breakdown in the shards before the current is suppressed [17]. Still, the presence of the shards might increase the global resistance and thereby decrease the CQ timescale.…”

Section: H Ne Armentioning

confidence: 99%

Post-thermal-quench shattered pellet injection for runaway electron seed depletion in ITER

Nardon¹,

Matsuyama²,

Di³

et al. 2021

Nucl. Fusion

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The possibility of using shattered pellet injection after the thermal quench of an ITER disruption in order to deplete Runaway Electron (RE) seeds before they can substantially avalanche is studied. Analytical and numerical estimates of the required injection rate for shards to be able to penetrate into the forming RE beam and stop REs are given. How much material could be assimilated before the Current Quench (CQ) becomes too short is also estimated. It appears that, if hydrogen pellets were used, the required number of pellets to be injected during the CQ would be prohibitive, at least considering the present design of the ITER Disruption Mitigation System (DMS). For neon or argon, the required number of pellets, although large, might be within reach of the ITER DMS, but the assimilated fraction would have to be very small in order not to shorten the CQ excessively. This study suggests that other injection schemes, based for example on small tungsten pellets coated with a low Z material, may be worth exploring as an option for an upgrade of the ITER DMS.

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Section: H Ne Armentioning

confidence: 99%