English
Related papers

Related papers: Runaway electron generation in ITER mitigated disr…

200 papers

A first-principles coupled electron-nuclear dynamics simulation based on real-time, time-dependent density functional theory and Ehrenfest dynamics quantitatively repro-duces bimodal translational energy loss and angular distributions…

Chemical Physics · Physics 2025-12-05 Jialong Shi , Lingjun Zhu , Florian Nitz , Oliver Bünermann , Alec M. Wodtke , Hua Guo , Bin Jiang

The visible camera system EDICAM (Event Detection Intelligent Camera), recently installed on JT-60SA, is simulated to assess whether it can be used for measuring synchrotron radiation from relativistic runaway electrons. In this simulation,…

Plasma Physics · Physics 2023-09-28 Soma Olasz , Mathias Hoppe , Tamás Szepesi , Kensaku Kamiya , Peter Balazs , Gergo I. Pokol

Many advanced solar cell concepts propose surpassing the Shockley Queisser (SQ) limit by introducing multiple quasi-Fermi level separations that are arranged in series and/or in parallel. Exceeding the SQ limit with any parallel arrangement…

Applied Physics · Physics 2019-11-06 Andreas Pusch , Nicholas J. Ekins Daukes

Both the parallel residual stress and parallel turbulent acceleration driven by electrostatic collisionsless trapped electron mode (CTEM) turbulence are calculated analytically using gyrokinetic theory. Quasilinear results show that the…

Plasma Physics · Physics 2016-05-25 Lu Wang , Shuitao Peng , P. H. Diamond

We use a three-specie fluid model of electric discharge in air to simulate streamer evolution from the avalanche-to-streamer transition to the collision of opposite-polarity streamers. We estimate the upper limit on the production of…

Space Physics · Physics 2018-08-03 Nikolai G. Lehtinen , Nikolai Østgaard

The radiation response and the MHD destabilization during the thermal quench after a mixed species Shattered Pellet Injection (SPI) with impurity species neon and argon are investigated via 3D non-linear MHD simulation using the JOREK code.…

Magnetic reconnection plays a critical role in many astrophysical processes where high energy emission is observed, e.g. particle acceleration, relativistic accretion powered outflows, pulsar winds and probably in dissipation of Poynting…

Astrophysics · Physics 2010-11-24 G. C. Murphy , Rachid Ouyed , Guy Pelletier

High energy electrons carry much of a solar flare's energy. Therefore, understanding changes in electron beam distributions during their propagation is crucial. A key focus of this paper is how the co-spatial return current reduces the…

Solar and Stellar Astrophysics · Physics 2024-07-26 Meriem Alaoui , Gordon D. Holman , Marc Swisdak

We revisit the picture of jets propagating in the quark-gluon plasma. In addition to vacuum radiation, partons scatter on the medium constituents resulting in induced emissions. Analytical approaches to including these interactions have…

High Energy Physics - Phenomenology · Physics 2023-02-28 Johannes Hamre Isaksen , Adam Takacs , Konrad Tywoniuk

Load-generation balance and system inertia are essential for maintaining frequency in power systems. Power grids are equipped with Rate-of-Change-of Frequency (ROCOF) and Load Shedding (LS) relays in order to keep load-generation balance.…

Systems and Control · Electrical Eng. & Systems 2021-02-25 Mohamadsaleh Jafari , Md Hassan Shahriar , Mohammad Ashiqur Rahman , Sumit Paudyal

Based on the analysis of data from the numerous dedicated experiments on plasma disruptions in the TEXTOR tokamak the mechanisms of the formation of runaway electron beams and their losses are proposed. The plasma disruption is caused by…

We set up a mapping procedure able to translate the evolution of the radial profile of fast ions, interacting with Toroidal Alfv\'en Eigenmodes, into the dynamics of an equivalent one dimensional bump-on-tail system. We apply this mapping…

The Particle-in-Cell (PIC) method was used to study two different ion thruster concepts - Stationary Plasma Thrusters (SPT) and High Efficiency Multistage Plasma Thrusters (HEMP-T), in particular the plasma properties in the discharge…

Plasma Physics · Physics 2015-05-14 K. Matyash , R. Schneider , A. Mutzke , O. Kalentev , F. Taccogna , N. Koch , M. Schirra

Integration of renewable energy resources with the electric grid is necessary for a sustainable energy future. However, increased penetration of inverter based resources (IBRs) reduce grid inertia, which might then compromise power system…

Systems and Control · Electrical Eng. & Systems 2020-08-18 Hashem Albhrani , Reetam Sen Biswas , Anamitra Pal

In inertial confinement fusion (ICF) implosions, the preheating risks associated with hot electrons generated by laser plasma instabilities (LPI) are contingent upon the angular characteristics of these hot electrons for a given total…

Plasma Physics · Physics 2024-10-22 K. Y. Meng , Z. H. Cai , J. Li , C. Yao , L. Hao , F. X. Zhou , R. Yan , J. Zheng

Efficient removal of helium ash is a critical requirement for the operation of fusion power plants, as its accumulation can dilute the core fuel and degrade plasma performance. While past studies suggested that helium exhaust in burning…

Plasma Physics · Physics 2025-07-25 Rebecca Masline , Michael Wigram , Dennis Whyte

Ion Cyclotron Emission (ICE) is a ubiquitous magnetised plasma phenomenon previously detected on virtually all large magnetic fusion devices and whose diagnostic potential for future power plants rests upon an accurate mapping of plasma…

Plasma Physics · Physics 2026-05-19 Ethan Attwood , J. W. S. Cook , Peter Hill

Understanding and predicting divertor heat-load width ${\lambda}_q$ is a critically important problem for an easier and more robust operation of ITER with high fusion gain. Previous predictive simulation data for ${\lambda}_q$ using the…

Plasma Physics · Physics 2021-02-24 C. S. Chang , S. Ku , R. Hager , R. M. Churchill , J. Hughes , F. Köchl , A. Loarte , V. Parail , R. Pitts

For the first time the pellet cycle of a multiple-isotope plasma is successfully reproduced with reduced turbulent transport modelling, within an integrated simulation framework. Future nuclear fusion reactors are likely to be fuelled by…

The dynamics and processes involved in particle-molecule scattering, including nuclear dynamics, are described and analyzed using various quantum information quantities throughout the different stages of the scattering. The main process…

Quantum Physics · Physics 2025-05-22 Martin Mendez , Federico M. Pont