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Abstract <p>In research related to space plasma thrusters, special attention is paid to the magnetic nozzle, which has found its application in advanced propulsion systems, such as stationary plasma thrusters used on artificial satellites. In the magnetic nozzle, the spiral motion of plasma particles is converted into axial motion. The paper presents a 2D hybrid numerical model of the interaction of a plasma beam with a non-uniform magnetic field of the nozzle. The model is based on the description in which the interaction of collisionless plasma with a magnetic field is described by the kinetic Vlasov equation for ions and the MHD equations for the electron fluid. Vlasov equation is solved by the PIC method. The geometry and magnitude of the nozzle magnetic field, as well as the conditions of the incoming plasma flow were varied in the test calculations. The calculations demonstrate that the developed model can be used to simulate a magnetic nozzle of plasma propulsion systems.</p>

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2D Hybrid Numerical Model for the Magnetic Nozzle of a Plasma Thruster

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • K. V. Vshivkov,
  • A. S. Kovaleva

摘要

Abstract

In research related to space plasma thrusters, special attention is paid to the magnetic nozzle, which has found its application in advanced propulsion systems, such as stationary plasma thrusters used on artificial satellites. In the magnetic nozzle, the spiral motion of plasma particles is converted into axial motion. The paper presents a 2D hybrid numerical model of the interaction of a plasma beam with a non-uniform magnetic field of the nozzle. The model is based on the description in which the interaction of collisionless plasma with a magnetic field is described by the kinetic Vlasov equation for ions and the MHD equations for the electron fluid. Vlasov equation is solved by the PIC method. The geometry and magnitude of the nozzle magnetic field, as well as the conditions of the incoming plasma flow were varied in the test calculations. The calculations demonstrate that the developed model can be used to simulate a magnetic nozzle of plasma propulsion systems.