Visit to JET

JET – Aerial view. Photo: EFDA-JET

During the two-week Culham Plasma Physics Summer School organized at Culham Science Center, UK, one of the most expected moments is the visit to Joint European Torus (JET). JET is the world’s largest operational magnetically confined plasma physics experiment. It is based on a tokamak design and is the direct predecessor to ITER, which should be operative in 2025.

JET runs only during some seconds at the time and thereafter it must rest about 20min before a new run. In a good operative day, about 20 runs are carried out. These runs are made for experimentation and no electricity is produced. However, a lot of energy is required (about a 1% of the total energy used at a given moment in the UK). This is why a direct phone line from London to the JET control room can ring at any moment, kindly requesting to stop experiments.

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Group member defends his thesis

Our Fusion group member Marc Fuster has successfully presented his final Bachelor thesis in Physics entitled “Application of the Edge-Based Finite Element Method for fusion plasma simulation” based on the work he has been carrying out since last August in our group under supervision of Dr Shimpei Futatani. The defense took place at the Faculty of Sciences of Universitat Autònoma de Barcelona, Spain.

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Wendelstein 7-X achieves a stellarator world record

Inside view the plasma vessel with graphite tile cladding. Photo: IPP

In the past experimentation round, Wendelstein 7-X achieved the stellarators’ world record for the fusion product as a result of reaching higher temperatures and densities of the plasma as well as longer pulses. Wendelstein 7-X attained a fusion product of 6·1026 degrees x second per cubic metre which is the world’s stellarator record and gives first confirmation that the optimisation carried out for its design has been successful.

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Presentation of our research results at 45th EPS Conference on Plasma Physics

The 45th European Physical Society Conference on Plasma Physics took place in Prague, Czech Republic, from the 2nd to the 6th of July, 2018. It is the largest annual conference in the field organized in Europe. This year the conference attracted a record number of more than 850 registered participants throughout the world. Our group leader Prof. Mervi Mantsinen chaired the magnetic confinement fusion plasma section of the Program Committee.

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Plenary talk on HPC at HTS workshop

Xavier Sáez.

Our researcher Xavier Sáez gave a plenary talk on “HPC for solving multi-physics problems” at the 6th International Workshop on Numerical Modelling of High-Temperature Superconductors (HTS) in Costa de Caparica, Portugal.

Xavier focused his speech on the importance of multi-physics simulations to capture all relevant phenomena to model and simulate complex systems, and the key role of High-Performance Computing (HPC) due to the high computing resources required in those simulations.

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World’s fastest supercomputer will boost fusion research

ORNL’s Summit Supercomputer (photo: Nvidia)

The Summit supercomputer hosted at the US Department of Energy’s Oak Ridge National Laboratory (ORNL) has been announced as the fastest supercomputer in the world, according to the TOP500 List.

The IBM Summit system reached a speed of 122.3 petaflops on the High-Performance Linpack benchmark test—the software used to evaluate and rank supercomputers on the TOP500 list. At its theoretical peak, Summit is capable of 200 petaflops (double precision), or 200 quadrillion calculations per second, about eight times more performance than its predecessor Titan.

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