TY - GEN
T1 - Monte Carlo simulation for electron Near Wall Conductivity in Hall Thrusters
AU - Wu, Zhiwen
AU - Liu, Xiangyang
AU - Wang, Ningfei
AU - Ning, Zhongxi
AU - Yu, Daren
PY - 2010
Y1 - 2010
N2 - Near Wall Conductivity (NWC) is one of fundamental physical phenomena in the channel of Hall Thrusters. It has great influence on the performance parameters of Hall thruster. A Monte Carlo model on NWC is put forward in the paper. The electron is considered as test particle in the model and its initial velocity can be decided by a specific distribution function. Then electron current density due to NWC can be statistically obtained with the simulation results of a large number of electrons. Based on the Monte Carlo model, the relation between electrical field, magnetic field and electron current density due to NWC is calculated. The simulation result is well accordance with the experiment, which proves that the Monte Carlo model on NWC is valid. The Monte Carlo model on NWC provides a useful way to simulate the effect of some complicated factors lying in the real channel of Hall thruster on the electron current due to NWC. Therefore, some important physical phenomena in Hall thruster, such as sheath, channel wall material and shape, electron distribution function, magnetic field topology, have been briefly discussed in the end and the way considering these factors in Monte Carlo model is also presented. It makes possible to research the NWC phenomenon in detail.
AB - Near Wall Conductivity (NWC) is one of fundamental physical phenomena in the channel of Hall Thrusters. It has great influence on the performance parameters of Hall thruster. A Monte Carlo model on NWC is put forward in the paper. The electron is considered as test particle in the model and its initial velocity can be decided by a specific distribution function. Then electron current density due to NWC can be statistically obtained with the simulation results of a large number of electrons. Based on the Monte Carlo model, the relation between electrical field, magnetic field and electron current density due to NWC is calculated. The simulation result is well accordance with the experiment, which proves that the Monte Carlo model on NWC is valid. The Monte Carlo model on NWC provides a useful way to simulate the effect of some complicated factors lying in the real channel of Hall thruster on the electron current due to NWC. Therefore, some important physical phenomena in Hall thruster, such as sheath, channel wall material and shape, electron distribution function, magnetic field topology, have been briefly discussed in the end and the way considering these factors in Monte Carlo model is also presented. It makes possible to research the NWC phenomenon in detail.
KW - Hall Thruster
KW - Monte Carlo simulation
KW - Near Wall Conductivity
UR - http://www.scopus.com/inward/record.url?scp=77958064112&partnerID=8YFLogxK
U2 - 10.1109/ICCET.2010.5485346
DO - 10.1109/ICCET.2010.5485346
M3 - Conference contribution
AN - SCOPUS:77958064112
SN - 9781424463503
T3 - ICCET 2010 - 2010 International Conference on Computer Engineering and Technology, Proceedings
SP - V524-V528
BT - ICCET 2010 - 2010 International Conference on Computer Engineering and Technology, Proceedings
T2 - 2010 2nd International Conference on Computer Engineering and Technology, ICCET 2010
Y2 - 16 April 2010 through 18 April 2010
ER -