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Physics of runaway electrons with Shattered Pellet Injection at JET [PDF]

, 2021
Runaway electrons (RE) are one of the consequences of tokamak plasma disruptions. They may form multi-MA beams of electrons up to several MeV. Avoidance or suppression of such beams is therefore required to ensure reliable operation of future tokamaks. Shattered Pellet Injection (SPI) is the disruption and runaway mitigation method planned for ITER.
Reux C, Eidietis N, Lehnen M, Hollmann EM, Jachmich S, Joffrin E, Lomas PJ, Rimini F, Baylor L, Calacci L, Causa F, Carnevale D, Coffey I, Craven D, Dal Molin A, de la Luna E, De Tommasi G, Ficker O, Garcia J, Gebhart T, Giacomelli L, Huber A, Khilkevich E, Lowry C, MacusovaE, Manzanares A, Nocente M, Panontin E, Papp G, Pautasso G, PazSoldan C, Peacock A, Plyusnin V, Shevelev A, Shiraki D, Silburn S, Sommariva C, Sozzi C, Sridhar S, Sweeney R, Tinguely RA, Wilson J, JET contributors   +42 more
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Experimental environment for testing the shattered pellet injection of KSTAR

Fusion Engineering and Design
Soohwan Park
exaly   +2 more sources

Preliminary Experimental Results of Shattered Pellet Injection on the HL-2A Tokamak

Fusion Science and Technology, 2020
A shattered pellet injector based on in situ technology was installed on the HL-2A tokamak, and preliminary experiments were performed recently.
H. B. Xu, G. L. Zhu, Z. Cao, Y. B. Dong, Y. K. Zhong, X. Cai, L. Liu, Y. G. Li, Z. C. Yang, J. Wang, P. Lu, D. Q. Liu   +11 more
exaly   +2 more sources

Thermal modeling of the multiple shattered pellet injection system for HL-3

Fusion Engineering and Design
Chengzhi Cao, Yong Lu, Yi Hu
exaly   +2 more sources

Development of a two-barrel shattered pellet injection system for HL-3

Journal of Instrumentation
Abstract Faced with plasma disruption challenges, Shattered Pellet Injection (SPI) has validated its effectiveness as a potent mitigation strategy. Its advantage lies in the injection of a large number of impurity particles directly into the plasma core, which rapidly increases the density and alleviates the high thermal load ...
H.B. Xu, Q.H. Ren, L. Tang, M. Li, J. Wang, I. Vinyar, A. Lukin, R.J. Li, W. Zhang, X.L. Liu, Y.P. Zhang, Y. Liu, D.L. Yu   +12 more
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Overview of the radiated fraction and radiation asymmetries following shattered pellet injection

2020
During shattered pellet injection (SPI) shutdowns in ITER, a high fraction of the plasma thermal energy must be radiated with a moderate degree of uniformity to avoid damages to the divertor and the first wall such as melting. DIII-D, J-TEXT, JET, and KSTAR now operate SPI systems and studies have begun to assess these requirements.
Sweeney R., Baylor L., Bonfiglio D., Craven D., Eidietis N., Granetz R., Huber V., Joffrin E., Hollmann E.M., Jachmich S., Kim J., King O.D., Lehnen M., Lovell J., Maggi C., Peacock A., Raman R., Reux C., Sheikh U., Shiraki D., Silburn S., Li Y., Wilson J., DIII-D Team, JET Contributor, KSTAR Team   +25 more
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Analysis of the Shattered Pellet Injection Fragment Plumes Generated by Machine Specific Shatter Tube Designs

Fusion Science and Technology, 2021
Trey Gebhart, Larry Baylor, Steven Meitner   +2 more
exaly  

Design and Testing of a Prototype Eddy Current Actuated Valve for the ITER Shattered Pellet Injection System

IEEE Transactions on Plasma Science, 2022
Trey Gebhart, Larry Baylor, Milton Ericson   +2 more
exaly  

Pressure Response Optimization of an Eddy Current-Driven Flyer Plate Valve for the ITER Shattered Pellet Injection System

Fusion Science and Technology, 2021
Adriana Ghiozzi, Larry Baylor, D A Rasmussen   +2 more
exaly  

The Integration and Tests of the Shattered Pellet Injection System on East

Fusion Engineering and Design
J.S. Yuan, L. Li, G.Z. Zuo, S.B. Zhao, D.H. Zhang, H.D. Zhuang, M. Huang, Y. Chen, J.L. Hou, J.S. Hu   +9 more
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