Magnetic field measuring system and method in plasma channel of Galatea device
A plasma and magnetic field measurement technology, which is applied in the direction of magnetic field measurement, magnetic field size/direction, etc. by using electromagnetic devices, to achieve the effects of improving measurement efficiency, convenient and fast measurement, and high precision
Active Publication Date: 2019-03-29
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 interior 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 ...
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The invention discloses a magnetic field measuring system and method in a plasma channel of a Galatea device. The magnetic field measuring system comprises a magnetic probe module which comprises a number of magnetic probes. A number of magnetic probes are evenly arranged in the plasma channel. The total number, position, specification and dimension of the magnetic probes are determined by the specification of the plasma channel, the plasma distribution state and the spatial configuration of a magnetic field region. The system further comprises a signal acquisition module which comprises a conditioning circuit and a data acquisition circuit. A number of magnetic probes are connected with the data acquisition circuit through the conditioning circuit respectively, so as to collect voltage signals at both ends of a number of magnetic probes. The system further comprises a signal processing module which is used to process the collected voltage signals at both ends of a number of magnetic probes to calculate the magnetic induction intensity throughout the plasma channel. According to the invention, the change of the magnetic induction intensity at various points in the channel can be accurately measured in real time when plasmas in the Galatea device enter the plasma channel, and the measurement is reliable, real-time and accurate.
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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Login to View More 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