A Method for Evaluating Efficiency of Plasma Vortex Generator

A plasma and generator technology, applied in the field of ion generator design optimization, can solve problems such as the inability to measure the relationship between viscous dissipation, Joule dissipation and output vortex kinetic energy, and the inability to use vortex drive to evaluate the efficiency of the device.
CN110705007BActive Publication Date: 2021-03-26BEIHANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIHANG UNIV
Publication Date
2021-03-26

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Abstract

According to the efficiency evaluation method for the plasma vortex driving device, the effects of viscous force, Lorentz force and inertia force on plasmas in a two-dimensional space are comprehensively considered, and the relation among viscous dissipation, joule dissipation and output vortex kinetic energy can be measured; the two-dimensional infinite series analytic expression convergence of the evaluation method is rapid, the convergence speed is irrelevant to the plasma physical property parameters, the device current and the magnetic field intensity, the efficiency of the vortex drivingdevice can be accurately and rapidly calculated, and then guidance can be provided for device efficiency optimization under wide working conditions.
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Description

technical field

[0001] The invention relates to the field of plasma generator design optimization, and relates to an efficiency evaluation method of a plasma vortex drive device, which can be used for the optimization of the plasma vortex generator. Background technique

[0002] The plasma vortex driving device is generally composed of coaxial cylindrical electrodes and an axial additional magnetic field. This type of device can use the Lorentz force in the orthogonal electromagnetic field to accelerate the viscous plasma in the angular direction, and form a vortex at the exit. swirl jet. At present, this plasma vortex driving device is widely used in: cyclotron plasma generators, additional field magnetic plasma thrusters, plasma centrifuges, and controllable fusion experimental devices.

[0003] The purpose of these application devices is to realize the conversion from electric energy to angular vortex kinetic energy by means of a strong additional magnetic field. At pre...

Claims

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