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Seawater ion motion magnetic field simulation method and device for underwater target detection

A technology for ion movement and underwater targets, applied in the field of seawater ion movement magnetic field simulation, can solve problems such as complex realization, achieve the effect of ensuring model accuracy, ensuring simulation accuracy, and reducing complexity

Active Publication Date: 2022-07-05
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

For the simulation of seawater ion moving magnetic field in seawater target detection, the implementation is more complicated, and there is no effective solution to realize it at present, and it is urgent to provide a seawater moving magnetic field simulation method, so that the simulation of seawater moving magnetic field in seawater detection can be realized

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  • Seawater ion motion magnetic field simulation method and device for underwater target detection
  • Seawater ion motion magnetic field simulation method and device for underwater target detection
  • Seawater ion motion magnetic field simulation method and device for underwater target detection

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Embodiment Construction

[0055] The present invention will be further described below with reference to the accompanying drawings and specific preferred embodiments, but the protection scope of the present invention is not limited thereby.

[0056] like figure 1 As shown, the steps of the seawater ion motion magnetic field simulation method for underwater target detection in this embodiment include:

[0057] S1. Build a magnetic field model: build a preliminary magnetic field model of seawater ion motion based on Maxwell's equation, and then simplify the constructed preliminary magnetic field model of seawater ion motion under the assumption of stability, so that only the diffusion equation is calculated without considering the displacement current, and finally the construction A magnetic field model of seawater ion motion is obtained, which is described by the sound source parameters of the external excitation source and the physical and chemical parameters of the seawater solution to describe the ma...

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Abstract

The invention discloses a seawater ion motion magnetic field simulation method and device for underwater target detection. The method steps include: S1. Constructing a preliminary model of seawater ion motion magnetic field, and then simplifying it under a stable assumption, and finally constructing an external magnetic field model. The sound source parameters of the excitation source and the physical and chemical parameters of the sea water solution describe the seawater ion motion magnetic field model of the magnetic field strength; S2. During the simulation, build a sea area model and determine the physical and chemical parameters of the sea water solution in the sea area to be simulated, and simulate the sound field, and simulate the The results are input into the sea area model as the sound source excitation, and the calculation results of the sound source parameters are obtained. The invention can simulate the magnetic field generated by the seawater ion separation excited by the motion of the underwater target, and has the advantages of simple simulation realization, high efficiency and high precision.

Description

technical field [0001] The invention relates to the technical field of underwater target detection, in particular to a seawater ion motion magnetic field simulation method and device for underwater target detection. Background technique [0002] When a sound source excitation source is injected into the electrolyte solution, different types of ions will be separated due to differences in parameters such as mass and friction coefficient. Under the excitation of the same external sound wave source, the ions will be separated, which destroys the original solution. , thereby generating an electric current that generates an electromagnetic field in the solution. High salinity seawater is filled with a large number of positive and negative ions, such as sodium positive ions and chloride negative ions, which are equivalent to electrolyte solutions. Therefore, in seawater, once the injected sound source is excited, an electromagnetic field caused by the separation of seawater ions ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V3/08
CPCG01V3/08Y02A90/30
Inventor 潘孟春张琦刘中艳徐昱静刘旺陈卓刘舒畅陈棣湘胡佳飞李裴森
Owner NAT UNIV OF DEFENSE TECH
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