A5000265303- Fusion materials and technologies
- Magnetic confinement fusion research
- Nuclear Materials and Properties
- Laser-Plasma Interactions and Diagnostics
- Pulsars and Gravitational Waves Research
- Nuclear Physics and Applications
- Superconducting Materials and Applications
- earthquake and tectonic studies
- Earthquake Detection and Analysis
Dalian University of Technology
2019-2024
Abstract The burst of edge‐localized modes (ELMs) leads to an increase in the energy and particle fluxes divertor target. Tungsten (W) is chosen as primary candidate material for plasma‐facing components (PFCs) future fusion devices, EAST has already upgraded all divertors use W. Therefore, understanding tungsten target erosion during ELMs finding correlation between rate key ELM parameters are crucial steady‐state operation. In this work, based on Vlasov–Poisson model (VPM), we develop a...
The edge plasma simulation code SOLPS-ITER is applied to study the effects of plasma-facing materials (PFMs) on in EAST device, whose lower carbon (C) divertor will be replaced by tungsten (W) material. significant difference particle and energy reflection coefficients between C W may influence production dynamics neutral particles region, which characterized collisions recycled neutrals. To separate other plasma, only recycling different are considered, no impurity included. Three PFMs...
Abstract The narrow power decay width λ q may lead to high heat flux density the divertor target, which is one of most severe challenges for future fusion devices. EAST has upgraded its lower graphite (C) a tungsten (W) one, and it important reveal dependence on condition. In present work, SOLPS-ITER applied estimate effect various conditions [C/W plasma facing material (PFM), with/without drift] in attached regime. simulation results confirm that upstream ,SOL , ,OT private-flux region...
Abstract The new lower tungsten divertor of EAST uses a right-angle shape consisted by horizontal and vertical targets, which has the capacity increasing closure. strike point (SP) sweeping experiment is carried out to (1) avoid long-term deposition particle heat flux at same location, thus protecting target, (2) study dependence power control capability on SP location. energy densities target depends strongly their decay width. Therefore, it important know how location influences outer (OT)...
With a growing sample of fast radio bursts (FRBs), we investigate the energy budget different power sources within framework magnetar starquake triggering mechanism. During starquake, can be released in any form through magnetic, strain, rotational, and gravitational energies. Following findings are revealed: 1. The crust store free magnetic amount at least $6.3\times10^{46}$ erg via toroidal fields, with frequent starquakes happening due to instability crust. 2. strain develops as rigid...