Nicola Vianello

The impurity concentration in the tokamak divertor plasma is a necessary input for predictive scaling of divertor detachment, however direct measurements from existing tokamaks in different divertor plasma conditions are limited. To address this, we have a ...

Elsevier2019

IOP Publishing Ltd

The First Mirror Test for ITER has been carried out in JET with mirrors exposed during: (i) the third ILW campaign (ILW-3, 2015-2016, 23.33 h plasma) and (ii) all three campaigns, i.e. ILW-1 to ILW-3: 2011-2016, 63,52 h in total. All mirrors from main cham ...

Elsevier2019

Pedro Andres Molina Cabrera

IOP Publishing Ltd2019

Leonardo Pigatto

Joan Decker

Cedric Kar-Wai Tsui

Arsène Stéphane Tema Biwole

Anna Ngoc Minh Trang Vu

Nicola Offeddu

Filippo Bagnato

Davide Galassi

IOP Publishing Ltd2019

Dalziel Joseph Wilson

Justin Robert Young

João Saraiva Esteves Pacheco de Almeida

Alexis Gérald Page

Tao Xu

Luca Carraro

Bruno Emanuel Ferreira De Sousa Correia

Joao André Gomes de Sá e Sousa

Thomas Willem Jan de Geus

Luis David Figueiredo Mascarenhas Moreira Pedrosa

Riccardo Vannucci

Semin Kwak

Candice Megan T Young

Paulo Giovane Paschoali Pereira Puglia

Inconel-600 blocks and stainless steel covers for quartz microbalance crystals from remote corners in the JET-ILW divertor were studied with time-of-flight elastic recoil detection analysis and nuclear reaction analysis to obtain information about the area ...

2019

Justin Robert Young

João Saraiva Esteves Pacheco de Almeida

Alexis Gérald Page

Tao Xu

Luca Carraro

Bruno Emanuel Ferreira De Sousa Correia

Joao André Gomes de Sá e Sousa

Thomas Willem Jan de Geus

Luis David Figueiredo Mascarenhas Moreira Pedrosa

Riccardo Vannucci

Semin Kwak

Candice Megan T Young

Paulo Giovane Paschoali Pereira Puglia

Tritium (T) distributions on tungsten (W)-coated plasma-facing tiles used in the third ITER-like wall campaign (2015-2016) of the Joint European Torus (JET) were examined by means of an imaging plate technique and beta-ray induced x-ray spectrometry, and t ...

Elsevier2019

Umar Sheikh

Cristian Galperti

In ASDEX Upgrade, the propagation of cold pulses induced by type-I edge localized modes (ELMs) is studied using electron cyclotron emission measurements, in a dataset of plasmas with moderate triangularity. It is found that the edge safety factor or the pl ...

2019

Dalziel Joseph Wilson

Justin Robert Young

João Saraiva Esteves Pacheco de Almeida

Alexis Gérald Page

Tao Xu

Luca Carraro

Bruno Emanuel Ferreira De Sousa Correia

Joao André Gomes de Sá e Sousa

Thomas Willem Jan de Geus

Luis David Figueiredo Mascarenhas Moreira Pedrosa

Riccardo Vannucci

Semin Kwak

Candice Megan T Young

Paulo Giovane Paschoali Pereira Puglia

Helium is widely used as a fuel or minority gas in laboratory fusion experiments, and will be present as ash in DT thermonuclear plasmas. It is therefore essential to have a good understanding of its atomic physics. To this end He II population modelling h ...

IOP Publishing2019

Dalziel Joseph Wilson

Antoine Pierre Emmanuel Alexis Merle

Heinz Mueller

Anna Teplukhina

Pedro Andres Molina Cabrera

Joan Decker

Cedric Kar-Wai Tsui

Pamela Solange Valdés Undurraga

The aim of this paper is to present a signal processing algorithm that, applied to the raw Locked Mode signal, allows us to obtain a disruption indicator in principle exploitable on different tokamaks. A common definition of such an indicator for different ...

2019

Doohyun Kim

Wouter Vijvers

Wen Bin Chng

Hoang Bao Le

Michael Oliver Reinke

Zhouji Huang

Himank Anand

Claudio Marini

Antoine Pierre Emmanuel Alexis Merle

Heinz Mueller

Allan Svejstrup Nielsen

Ana Susnjara

Anna Teplukhina

Pedro Andres Molina Cabrera

Joan Decker

Cedric Kar-Wai Tsui

Dahye Choi

Giovanni Tardini

Erwan Fabrice Koch

Donghyun Kim

Jennifer Kaitlyn Olsen

In this paper we validate the finite element code RAPLICASOL, which models radiofrequency wave propagation in edge plasmas near ICRF antennas, against calculations with the TOPICA code. We compare the output of both codes for the ASDEX Upgrade 2-strap ante ...

IOP Publishing Ltd2019

In many tokamaks ferromagnetic material, usually referred to as an iron-core, is present in order to improve the magnetic coupling between the solenoid and the plasma. The presence of the iron core in proximity to the plasma changes the magnetic topology w ...

2018

Experiments at JET showed locally enhanced, asymmetric beryllium (Be) erosion at outer wall limiters when magnetically connected ICRH antennas were in operation. A first modeling effort using the 3D erosion and scrape-off layer impurity transport modeling ...

IOP Publishing Ltd2018

A new DT campaign (DTE2) is planned at JET in 2020 to minimize the risks of ITER operations. In view of DT operations, a calibration of the JET neutron monitors at 14 MeV neutron energy has been performed using a well calibrated 14 MeV neutron generator (N ...

IOP Publishing Ltd2018

The Materials Detritiation Facility has been designed to thermally treat solid non-combustible radioactive waste produced during operations of the Joint European Torus (JET) that is classified as Intermediate Level Waste in the UK due to its tritium invent ...

2018

Tokamak operation with W PFCs is associated with specific challenges for impurity control, which may be particularly demanding in the transition from stationary H-mode to L-mode. To address W control issues in this phase, dedicated experiments have been pe ...

2018

Diagnostic alkali atom (e.g., lithium) beams are routinely used to diagnose magnetically confined plasmas, namely, to measure the plasma electron density profile in the edge and the scrape off layer region. A light splitting optics system was installed int ...

2018