A magnetic field measurement system and method in the plasma channel of Jialajieya device
A plasma and magnetic field measurement technology, which is applied in the use of electromagnetic devices for magnetic field measurement, magnetic field size/direction, etc., to achieve the effect of improving measurement efficiency, convenient and fast measurement, and high precision
Active Publication Date: 2021-06-25
HARBIN INST OF TECH
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However, in the process of using a magnetic probe to measure the magnetic field, only a limited number of magnetic induction values can be measured
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[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0034] The inventor of this case used the finite element analysis software to establish the plasma channel model of the Jiala Jieya device, and analyzed that the inside of the plasma channel is approximately a uniform magnetic field. Due to the influence of the plasma sheath, the magnetic induction intensity only changes in the area near the coil in the plasma channel. Strong, affected by the magnetic pressure, the plasma is mainly distributed in the uniform ma...
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Abstract
The invention discloses a magnetic field measurement system and method in a plasma channel of a Jiala Jieya device. The magnetic field measurement system includes: a magnetic probe module, including a plurality of magnetic probes, and the plurality of magnetic probes are uniformly installed in the plasma channel Among them, the total number, position and size of the magnetic probes are determined by the specifications of the plasma channel, the distribution of the plasma and the spatial configuration of the magnetic field area; the signal acquisition module includes a conditioning circuit and a data acquisition circuit, and multiple magnetic The probes are respectively connected to the data acquisition circuit through the conditioning circuit to collect the voltage signals at both ends of the multiple magnetic probes; the signal processing module is used to process the collected voltage signals at both ends of the multiple magnetic probes to calculate the plasma The magnetic induction intensity everywhere in the channel. The invention can accurately measure the change of the magnetic induction intensity at each point in the channel when the plasma in the Jiala Jieya device enters the plasma channel in real time, and has the advantages of reliable, real-time and accurate measurement.
Description
technical field [0001] The invention relates to the field of plasma parameter measurement, in particular to a magnetic field measurement system and method in a plasma channel of a Jiala Jieya device. Background technique [0002] Since the second industrial revolution, the level of productivity has increased significantly, and the consumption of fossil energy has also increased. Traditional energy sources not only cause serious environmental pollution, but also face the crisis of depletion, so it is imperative to find an alternative energy source with high efficiency and energy saving. On the road of exploring new energy sources, nuclear energy has been favored by people as an efficient and green energy source. Compared with tidal energy, wind energy, or solar energy, nuclear energy is not limited by geographical reserves and other natural conditions. More importantly, the energy contained in nuclear energy is huge enough to meet the needs of thousands of years or even gene...
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IPC IPC(8): G01R33/06
CPCG01R33/06
Inventor 金显吉佟为明李中伟林景波李凤阁刘勇赵志衡
Owner HARBIN INST OF TECH