Zhongxi Ning
YOU?
Author Swipe
View article: Study on Coupling Characteristics of Hall Thruster Abnormal Ignition
Study on Coupling Characteristics of Hall Thruster Abnormal Ignition Open
This study conducted systematic experiments to investigate abnormal ignition in Hall thrusters. The dynamic characteristics of electrical parameters during ignition were monitored using a multi‐probe diagnostic system. The experiments reve…
View article: A novel optical emission spectroscopy method for diagnostics of contribution of different ionization mechanisms and flux of ions in different valences in discharge channel of a Hall thruster
A novel optical emission spectroscopy method for diagnostics of contribution of different ionization mechanisms and flux of ions in different valences in discharge channel of a Hall thruster Open
The mass application of Hall thrusters poses the need for a diagnostic method of ionization mechanism in the discharge channel to boost the iteration and optimization of thruster design. This work presents an Optical Emission Spectroscopy …
View article: Influence of Propellant Oxygen Concentration on Lab6 Hollow Cathode for Electric Propulsion
Influence of Propellant Oxygen Concentration on Lab6 Hollow Cathode for Electric Propulsion Open
View article: Electromagnetic particle-in-cell simulation on self-induced magnetic field by hollow cathode discharge
Electromagnetic particle-in-cell simulation on self-induced magnetic field by hollow cathode discharge Open
Strong electron current density exits in hollow cathodes, but former numerical studies tend to only consider its electrostatic aspect and ignore its electromagnetic (EM) nature, due to the complex physics and the large computational cost. …
View article: A xenon collisional-radiative model applicable to electric propulsion devices: III. Determination of the ionization fraction in low-temperature xenon plasma by using ionic and atomic 6<i>p</i> lines
A xenon collisional-radiative model applicable to electric propulsion devices: III. Determination of the ionization fraction in low-temperature xenon plasma by using ionic and atomic 6<i>p</i> lines Open
The ionization fraction is a key figure of merit for optimizing the performance of plasma device. This work presents an optical emission spectroscopy (OES) method to determine the ionization fraction in low-temperature xenon plasma. The em…
View article: Presence and statistics of a discontinuous potential distribution in the plume of an electric propulsion hollow cathode
Presence and statistics of a discontinuous potential distribution in the plume of an electric propulsion hollow cathode Open
The extraction voltage of an electric propulsion hollow cathode is mainly deposited in its plume region, and is usually believed to be proportional to the plasma oscillation amplitude. However, this was not the case in some recent results.…
View article: Iodine electron cyclotron resonance plasma source for electric propulsion
Iodine electron cyclotron resonance plasma source for electric propulsion Open
With the rapid development of commercial space in recent years, the low-power and low-cost propulsion systems are needed more and more urgently. Compared with conventional chemical propulsion, electric propulsion has a higher specific impu…
View article: Early experimental investigation of the C12A7 hollow cathode fed on iodine
Early experimental investigation of the C12A7 hollow cathode fed on iodine Open
To fully realize the superiority of the iodine electric propulsion system in streamlining the size and reducing the operating costs, iodine hollow cathode technology must be developed. Considering the corrosiveness of iodine and the possib…
View article: Diagnostic and modelling investigation on the ion acceleration and plasma throttling effects in a dual-emitter hollow cathode micro-thruster
Diagnostic and modelling investigation on the ion acceleration and plasma throttling effects in a dual-emitter hollow cathode micro-thruster Open
Hollow cathode discharges are widely used as neutralizers for the electric propulsion systems and recently developed into micro-thrusters for the small satellites. In this work, a dual-emitter hollow cathode thruster is developed, which ca…
View article: Plasma optical emission spectroscopy based on feedforward neural network
Plasma optical emission spectroscopy based on feedforward neural network Open
Optical emission spectroscopy (OES) has been widely applied to plasma etching, material processing, development of plasma equipment and technology, as well as plasma propulsion. The collisional-radiative model used in OES is affected by th…
View article: Experimental investigation of the effects of variable expanding channel on the performance of a low-power cusped field thruster
Experimental investigation of the effects of variable expanding channel on the performance of a low-power cusped field thruster Open
Due to a special magnetic field structure, the multi-cusped field thruster shows advantages of low wall erosion, low noise and high thrust density over a wide range of thrust. In this paper, expanding discharge channels are employed to mak…