A. Peacock

Shear Behavior of Mangrove Soils in Louisiana and Texas: A Dual Approach Using Large-Scale Direct Shear Testing and In Situ Cone Penetration Testing

Mahmoud Hassan, Hamed Nasiri, Youssef Mousa, André Rovai et autres

Mangrove expansion in the northern Gulf of America (Mexico), driven by climate change, has introduced complex root-soil interactions into coastal systems previously dominated by saltmarshes. However, the geotechnical contributions of mangrove root structures to soil stability remain underexplored. This study assesses the …

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Application of Direct Shear Testing to Assess the Influence of Mangrove Root Structures on the Shear Strength of Coastal Wetlands

Mohamed Hassan, André Rovai, Hamed Nasiri, Youssef Mousa et autres

Mangrove ecosystems in the northern Gulf of America are expanding due to climate change, yet their resilience to extreme events and shifting coastal conditions remains uncertain, particularly regarding the understudied role of mangrove roots in sediment stabilization. In Louisiana and Texas, mangrove …

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JET machine operations in T&D-T

E. Abdelrahman, Azizah Abdul Hamid, N. Abid, K. Abraham et autres

Abstract JET, the world’s largest operating tokamak with unique Be/W wall and tritium handling capability, completed a Deuterium-Tritium (D-T) campaign in 2021 (Maggi et al 29th Fusion Energy Conf.) following a decade of preparatory experiments, dedicated enhancements, technical rehearsals and training (Horton …

Interaction of SPI pellets with plasma on JET and associated disruptions

S. Gerasimov, L. R. Baylor, A. Boboc, I.S. Carvalho et autres

Abstract The presented data refer to the Shattered Pellet Injector (SPI) experiments carried out at JET in 2019–2020. This paper is a full journal version of the data originally presented as posters at TMPDM_2020 and EPS_2021. This paper presents various aspects of …

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Overview of T and D–T results in JET with ITER-like wall

Domenico Abate, N. Abid, P. Abreu, O. Adabonyan et autres

Abstract In 2021 JET exploited its unique capabilities to operate with T and D–T fuel with an ITER-like Be/W wall (JET-ILW). This second major JET D–T campaign (DTE2), after DTE1 in 1997, represented the culmination of a series of JET enhancements—new fusion …

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Modifications to the JET Shattered Pellet Injector to Optimize Disruption Mitigation Experiments for Supporting ITER’s DMS Design

T. E. Gebhart, S. J. Meitner, L. R. Baylor, J. L. Herfindal et autres

Shattered pellet injection (SPI) experiments on Joint European Torus (JET) are an important element in determining the physics basis for mitigating disruptions in ITER. The initial design of the JET SPI system included three barrels to produce pellets with diameters of 4.5, …

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Enhanced performance in fusion plasmas through turbulence suppression by megaelectronvolt ions

S. Mazzi, J. García, D. Zarzoso, Ye. O. Kazakov et autres

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Isotope removal experiment in JET-ILW in view of T-removal after the 2nd DT campaign at JET

T. Wauters, D. Matveev, D. Douai, J. Banks et autres

Abstract A sequence of fuel recovery methods was tested in JET, equipped with the ITER-like beryllium main chamber wall and tungsten divertor, to reduce the plasma deuterium concentration to less than 1% in preparation for operation with tritium. This was also a …

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Physics of runaway electrons with shattered pellet injection at JET

C. Reux, C. Paz-Soldan, N.W. Eidietis, M. Lehnen et autres

Abstract Runaway electrons (REs) created during tokamak disruptions pose a threat to the reliable operation of future larger machines. Experiments using shattered pellet injection (SPI) have been carried out at the JET tokamak to investigate ways to prevent their generation or suppress …

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Overview of JET results for optimising ITER operation

J. Mailloux, N. Abid, K. Abraham, P. Abreu et autres

Abstract The JET 2019–2020 scientific and technological programme exploited the results of years of concerted scientific and engineering work, including the ITER-like wall (ILW: Be wall and W divertor) installed in 2010, improved diagnostic capabilities now fully available, a major neutral beam …

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Shattered pellet injection experiments at JET in support of the ITER disruption mitigation system design

S. Jachmich, U. Kruezi, M. Lehnen, M. Baruzzo et autres

Abstract A series of experiments have been executed at JET to assess the efficacy of the newly installed shattered pellet injection (SPI) system in mitigating the effects of disruptions. Issues, important for the ITER disruption mitigation system, such as thermal load mitigation, …

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Progress in preparing real-time control schemes for Deuterium-Tritium operation in JET

L. Piron, D. Valcárcel, M. Lennholm, C. Stuart et autres

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