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- W2912893626 abstract "HET72-VC is a kW-class Hall effect thruster with a variable channel characterized by high thrust and power densities. In this work, an experimental study of the effect of magnetic field configuration on the discharge characteristics of HET72-VC is carried out. By separately adjusting the current through the front and rear coils to change the magnetic field configuration inside the channel, a change in the plume is observed and the discharge performance parameters are measured. Experimental results show that the effects of reducing the front coil current and increasing the rear coil current on the thruster discharge are consistent. The plume gradually changes from a hollow cone with a clear boundary into a solid cone, the thrust increases by about 3%, and the anode efficiency increases by about 2.5%. Theoretical analysis shows that the degree of inclination of the magnetic lines of force plays an important role on the electron conduction and ion acceleration. When the angle between the magnetic lines of force and the channel centerline becomes larger, the discharge performance improves. This study helps in providing a deeper understanding of the working characteristics of this type of thruster, and can provide important guidelines for its structure design and optimization." @default.
- W2912893626 created "2019-02-21" @default.
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- W2912893626 date "2019-04-01" @default.
- W2912893626 modified "2023-10-10" @default.
- W2912893626 title "Effect of magnetic field configuration on discharge characteristic of a Hall effect thruster with a variable channel" @default.
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- W2912893626 doi "https://doi.org/10.1016/j.vacuum.2019.01.036" @default.
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