Recipes for pellet generation and launching in the ASDEX Upgrade SPI

P Heinrich, G Papp, P de Marné, M Dibon… - Fusion Engineering and …, 2024 - Elsevier
In support of the ITER disruption mitigation system (DMS), a highly flexible, triple-barrel
shattered pellet injection (SPI) system was installed at ASDEX Upgrade and tested in 240 …

Development of a Shattered Pellet Injector test bench for the ITER DMS support laboratory

E Walcz, S Zoletnik, S Mészáros, K Vad, J Hakl… - Fusion Engineering and …, 2023 - Elsevier
Abstract In the ITER Shattered Pellet Injection system large, Ø 28. 5 x 57 mm cryogenic
pellets have to be created and preserved in a barrel, until the control system detects a …

ITER DMS fast shutter development and laboratory testing

DI Réfy, A Zsákai, E Walcz, D Oravecz, D Nagy… - Fusion Engineering and …, 2024 - Elsevier
Abstract The ITER Disruption Mitigation System will consist of Shattered Pellet Injectors (SPI)
which will be fired upon request into the ITER plasma to mitigate the detrimental …

Production and launch studies of cryogenic pellets for the ITER disruption mitigation system

S Zoletnik, G Bartók, A Buzás, G Cseh, D Dunai… - Nuclear …, 2024 - iopscience.iop.org
A support laboratory has been set up to study pellet production, launch and shattering of
cryogenic protium, deuterium, and neon pellets for the ITER disruption mitigation system …

Acceleration of cryogenic pellets for Shattered Pellet Injection

Á Kovács, S Zoletnik, D Réfy, G Papp… - Fusion Engineering and …, 2024 - Elsevier
Abstract Shattered Pellet Injection (SPI) is considered as a method to effectively mitigate the
effect of severe disruptions in tokamaks. For the development of SPI technology in ITER, the …

Analysis of pellet propellant gas expansion in the test bench of the ITER DMS Support Laboratory

M Vecsei, G Anda, G Bartók, G Gárdonyi… - Fusion Engineering and …, 2024 - Elsevier
The analysis of the gas expansion in the test bench of the ITER DMS Support Laboratory is
discussed. For this purpose, numerical FEM simulations were performed during the design …

Experimental environment for testing the shattered pellet injection of KSTAR

SH Park, KS Lee, J Kim, HM Lee, LR Baylor… - Fusion Engineering and …, 2024 - Elsevier
The dual shattered pellet injection (SPI) systems installed at the KSTAR (Korean
Superconducting Tokamak Advanced Research) have been operational since 2019 to …

[HTML][HTML] Mechanical design of a Fast Shutter for the ITER disruption mitigation system

RL Csiszár, A Zsákai, DI Réfy, E Walcz, D Nagy… - Fusion Engineering and …, 2024 - Elsevier
ITER is a large-scale experimental nuclear fusion reactor currently under construction. To
protect the first wall components of the machine against damages due to a plasma …

[HTML][HTML] Eddy current actuated fast valve development for disruption mitigation applications

D Nagy, DI Réfy - Fusion Engineering and Design, 2024 - Elsevier
Abstract Shattered Pellet Injection (SPI) is a common technique used in Disruption Mitigation
Systems to prevent or minimize the effect of plasma disruptions in Tokamaks. To operate an …

[HTML][HTML] Fast Shutter optioneering study for the ITER Disruption Mitigation System

A Zsákai, DI Réfy, E Walcz, D Nagy, DZ Oravecz… - Fusion Engineering and …, 2024 - Elsevier
ITER needs a Disruption Mitigation System (DMS) for protection from the consequences of
plasma disruptions during high-power operation. The current DMS for ITER is based on the …