Publications by Guang-Yu Sun | EPFL Graph Search

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Spacecraft dielectrics in the complex space environment often suffer charging and discharging, causing on-orbit anomalies and failures. Studying charge transport in the dielectric during a spacecraft's charging process is crucial. It helps take measures li ...

The tokamak a configuration variable (TCV) continues to leverage its unique shaping capabilities, flexible heating systems and modern control system to address critical issues in preparation for ITER and a fusion power plant. For the 2019-20 campaign its c ...

Excessive power exhaust on divertor target remains a critical challenge for magnetic confinement fusion reactor based on the tokamak concept. If unmitigated, the power received on the divertor target will far exceed the material limit of 5-10MW/m2 in futur ...

Probing the neutral gas distribution at the edge of magnetic confinement fusion devices is critical for plasma exhaust studies. In the TCV tokamak, a set of ASDEX-type hot ionization pressure gauges (APGs) has been installed for fast, in situ measurements ...

Numerical simulations explore a possible tightly baffled, long-legged divertor (TBLLD) concept in a future upgrade of the tokamak à configuration variable (TCV). The SOLPS-ITER code package is used to compare the exhaust performance of several TBLLD config ...

Electron emission from the boundary is ubiquitous in a capacitively coupled plasma (CCP) and precipitates nonnegligible influence on the discharge properties. Here, we present Particle-in-Cell/Monte Carlo Collision simulation of an Ohmic-dominant heating m ...

Electron beam-generated plasmas (EBPs) have been used to modify the surface properties. In certain applications, EBPs are transversely confined and their properties are of value to the treatment. In this paper, the characteristics of an electron beam-gener ...

Guang-Yu Sun

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Dynamic Charge Transport Behavior of Double-layer Thin Film Materials Under Electron Beam Irradiation

Overview of the TCV tokamak experimental programme

The role of neutral baffling in closed divertor for nitrogen-seeded detachment in TCV tokamak

Neutral pressure measurement in TCV tokamak using ASDEX-type pressure gauges

Performance assessment of a tightly baffled, long-legged divertor configuration in TCV with SOLPS-ITER

On the Ohmic-dominant heating mode of capacitively coupled plasma inverted by boundary electron emission

Characterization of transversely confined electron beam-generated plasma using two-dimensional particle-in-cell simulations