activity
20212025
most citedTriggering of tearing instability by impurity radiation through resistive interchange reversal in a tokamak

10 citations · 24 across the 9 of their papers we have counts for

collaborators

10 papers

physics.plasm-ph2025

MHD Simulation Study on Impurity Assimilation Efficiency and Disruption Dynamics during Shattered Pellet Injection

Jinqiang Mao, Ping Zhu, Shiyong Zeng

Shattered Pellet Injection (SPI) has become a critical technique for mitigating plasma disruptions in fusion devices, yet optimizing its efficiency demands a proper understanding o…

physics.plasm-ph2025

Nonlinear edge localized mode with impurity seeding in CFETR hybrid scenario

Shiyong Zeng, Ping Zhu

A critical challenge for operating fusion burning plasma in high confinement mode lies in mitigating damage caused by edge localized modes (ELMs). While impurity seeding has been e…

physics.plasm-ph2024

Impurity radiation seeding of neoclassical tearing mode growth

Shiyong Zeng, Ping Zhu, Eric C. Howell

The physics of neoclassical tearing mode (NTM) is of great concern to the tokamak plasma stability and performance, especially in the burning plasma regime. Whereas a great deal ab…

physics.plasm-ph2023

Species dependence of the impurity injection induced poloidal flow and magnetic island rotation in a tokamak

Shiyong Zeng, Ping Zhu, Haijun Ren

Recent experiments have demonstrated the species dependence of the impurity poloidal drift direction along with the magnetic island rotation in the poloidal plane. Our resistive MH…

physics.plasm-ph2022

Enhanced plasma current spike formation due to onset of 1/1 kink-tearing reconnection during a massive gas injection process

Shiyong Zeng, Ping Zhu, Haijun Ren

The formation of the plasma current spike at the end of the thermal quench phase is studied systematically, which is found to strongly correlate to the onset of the 1/1 kink-tearin…

physics.plasm-ph2022

Viscous effects on nonlinear double tearing mode and plasmoid formation in adjacent Harris sheets

Nisar Ahmad, Ping Zhu, Chao Shen +2

In this paper, we study the effects of viscosity on the evolution of double tearing mode (DTM) in a pair of adjacent Harris sheets based on the resistive MHD model in the NIMROD co…

physics.plasm-ph2022★ 5 cited

Magnetic island formation and rotation braking induced by low-Z impurity penetration in an EAST plasma

Shiyong Zeng, Ping Zhu, Ruijie Zhou +1

Recent observations of the successive formations of the 4=1; 3=1, and 2=1 magnetic islands as well as the subsequent braking of the 2=1 mode during a low-Z impurity penetration pro…

physics.plasm-ph2022★ 10 cited

Triggering of tearing instability by impurity radiation through resistive interchange reversal in a tokamak

Shiyong Zeng, Ping Zhu, Ruijie Zhou +1

Recent MHD simulations find that the reversal of the local resistive interchange parameter from negative to positive due to impurity radiation cooling is able to trigger the…

physics.plasm-ph2021★ 9 cited

Viscous effects on plasmoid formation from nonlinear resistive tearing growth in a Harris sheet

Nisar Ahmad, Ping Zhu, Ahmad Ali +1

In this study, the evolution of a highly unstable m = 1 resistive tearing mode, leading to plasmoid formation in a Harris sheet is studied in the framework of full MHD model using…

physics.plasm-ph2021

MHD analysis on the physical designs of CFETR and HFRC

Ping Zhu, Li Li, Yu Fang +32

The China Fusion Engineering Test Reactor (CFETR) and the Huazhong Field Reversed Configuration (HFRC), currently both under intensive physical and engineering designs in China, ar…