41 citations · 145 across the 35 of their papers we have counts for
35 papers
Frequency multiplication with toroidal mode number of kink/fishbone modes on a static HL-2A-like tokamak
Zhihui Zou, Ping Zhu, Charlson C. Kim +3
In the presence of energetic particles (EPs), the Long-Lived Mode (LLM) frequency multiplication with n = 1,2,3 or higher is often observed on HL-2A, where n is the toroidal mode n…
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…
Destabilizing effects of edge infernal components on n = 1 resistive wall modes in CFETR 1GW steady-state operating scenario
Rui Han, Ping Zhu, Linjin Zheng
The stability of the resistive wall modes (RWMs) is investigated using the AEGIS code for the newly designed China Fusion Engineering Test Reactor (CFETR) 1GW steady-state op…
Transition from fishbone mode to -induced Alfvén eigenmode on HL-2A tokamak
Zhihui Zou, Ping Zhu, Charlson C. Kim +2
In the presence of energetic particles (EPs) from auxiliary heating and burning plasmas, fishbone instability and Alfvén modes can be excited and their transition can take place in…
Formation of edge pressure pedestal and reversed magnetic shear due to toroidal rotation in a tokamak equilibrium
Haolong Li, Ping Zhu
Toroidal rotation is well known to play significant roles in the edge transport and L-H transition dynamics of tokamaks. Our recent calculation finds that a sufficiently strong loc…
Quasi-linear theory of forced magnetic reconnection for the transition from linear to Rutherford regime
Wenlong Huang, Ping Zhu
Using the in-viscid two-field reduced MHD model, a new analytical theory is developed to unify the Hahm-Kulsrud-Taylor (HKT) linear solution and the Rutherford quasi-linear regime.…
Analytical model for quasi-linear flow response to resonant magnetic perturbation in resistive-inertial and viscous-resistive regimes
Wenlong Huang, Ping Zhu, Hui Chen
In this work, a quasi-linear model for plasma flow response to the resonant magnetic perturbation (RMP) in a tokamak has been rigorously developed in the resistive-inertial (RI) an…
Kinetic Ballooning Instability of the Near-Earth Magnetotail in Voigt Equilibrium
Abdullah Khan, Ping Zhu, Rui Han +1
For a long time, ballooning instabilities have been believed to be a possible triggering mechanism for the onset of substorm and current disruption initiation in the near-Earth mag…
Cold bubble formation from 2/1 tearing mode during massive gas injection in a tokamak
Shiyong Zeng, Ping Zhu, V. A. Izzo +2
Massive gas injection (MGI) experiments have been carried out in many tokamaks to study disruption dynamics and mitigation schemes. Two events often observed in those experiments a…
Plasma flow evolution in response to resonant magnetic perturbation in a tokamak
Xingting Yan, Ping Zhu, Wenlong Huang
Externally applied non-axisymmetric magnetic fields such as error field and resonant magnetic perturbation (RMP) are known to influence the plasma momentum transport and flow evolu…
Low- global ideal MHD instabilities in CFETR baseline scenario
Rui Han, Ping Zhu, Debabrata Banerjee +3
This article reports an evaluation on the linear ideal magnetohydrodynamic (MHD) stability of the China Fusion Engineering Test Reactor (CFETR) baseline scenario for various first-…
Extended hybrid kinetic-magnetohydrodynamic model for ignited burning plasmas
Modhuchandra Laishram, Ping Zhu, Yawei Hou
A brief review of the existing kinetic-magnetohydrodynamic(MHD) hybrid models for the alpha particle physics in burning plasma demonstrates that the pressure-coupling scheme is equ…
Analytical model of plasma response to external magnetic perturbation in absence of no-slip condition
Wenlong Huang, Ping Zhu
Recent simulation and experimental results suggest that the magnetic island and flow on resonant surface often do not satisfy the "no-slip" condition in the steady state. A new the…
Stabilizing effect of enhanced resistivity on peeling-ballooning instabilities on EAST
Xin Lin, Debabrata Banerjee, Ping Zhu +6
Previous stability analysis of NSTX equilibrium with lithium-conditioning demonstrates that the enhanced resistivity due to the increased effective charge number Zeff (i.e. increas…
Solving the Grad-Shafranov equation using spectral elements for tokamak equilibrium with toroidal rotation
Haolong Li, Ping Zhu
The Grad-Shafranov equation is solved using spectral elements for tokamak equilibrium with toroidal rotation. The Grad-Shafranov solver builds upon and extends the NIMEQ code [Howe…
Numerical study of transition between even and odd toroidal Alfvén eigenmodes on EAST
Yawei Hou, Charlson C. Kim, Ping Zhu +4
Linear simulations of toriodal Alfvén eigenmodes (TAEs) driven by energetic particles (EPs) on EAST (Experimental Advanced Superconducting Tokamak) are performed using the hybrid-k…
Effects of Plasmoid Formation on Sawtooth Process in a Tokamak
A. Ali, P. Zhu
For realistic values of Lundquist number in tokamak plasmas, the 1/1 magnetic island leads to the formation of secondary thin current sheet, which breaks up into a chain of small m…
Quasi-separatrix Layers Induced by Ballooning Instability in Near-Earth Magnetotail
Ping Zhu, Zechen Wang, Jun Chen +2
Magnetic reconnection processes in the near-Earth magnetotail can be highly 3-dimensional (3D) in geometry and dynamics, even though the magnetotail configuration itself is nearly…
Evaluation of Kinetic Ballooning Instability in the Near-Earth Magnetotail
Abdullah Khan, P. Zhu, A. Ali
Ballooning instabilities are widely believed to be a possible triggering mechanism for the onset of substorm and current disruption initiation in the near-Earth magnetotail. Yet th…
Sequential steady state co-rotating dust vortices in sheared streaming plasma
Modhuchandra Laishram, Devendra Sharma, Ping Zhu
The 2D hydrodynamic model for a dust cloud confined in an axisymmetric toroidal system volumetrically driven by an unbounded streaming plasma is further extended systematically for…
A dusty plasma model for vortex structure in Jupiter atmosphere
Modhuchandra Laishram, Ping Zhu, Devendra Sharma
Structural changes of self-organized vortices in Jupiter atmospheres such as Great Red Spot (GRS) and White Ovals are demonstrated using an electrostatically bounded charged dust c…
Structural transition of vortices to nonlinear regimes in a dusty plasma
Modhuchandra Laishram, Ping Zhu
A 2D hydrodynamical model is developed and analyzed for the steady state of a driven-dissipative dust clouds confined in an azimuthally symmetric toroidal system which is in dynami…
Two-fluid MHD Regime of Resistive Drift-Wave Instability
Shangchuan Yang, Ping Zhu, Jinlin Xie +1
Drift instabilities contribute to the formation of edge turbulence and zonal flows, and thus the anomalous transport in tokamaks. Experiments often found micro-scale tur- bulence s…
MHD stability analysis of ideal wall modes for CFETR upgrade phase-I scenario using NIMROD
Shikui Cheng, Ping Zhu, Debabrata Banerjee +1
Ideal MHD stability of China Fusion Engineering Test Reactor (CFETR) upgrade phase-I baseline scenario has been evaluated using the initial value code NIMROD. The toroidal mode num…