Method and device for electromagnetic energy guide-out of Tokamak plasma cracking

Abstract

The invention discloses a method and a device for cracking relief for electromagnetic energy guide-out of Tokamak plasma cracking. The method is characterized in that a group of energy transfer coils coupled with the plasma is utilized to couple one part of electromagnetic energy of the plasma at the cracking moment, and the electromagnetic energy is guided out of a vacuum chamber and is absorbed by an energy absorbing part, so the sum of the energy dissipated in the vacuum camber at the cracking moment can be reduced, and the damage caused by dissipation of huge energy of the plasma in the vacuum chamber at the cracking moment is relieved; the sum of the energy dissipated in the vacuum camber in the cracking process cannot be reduced by the existing cracking relief methods, such as MGI (massive gas injection), but the defect can be effectively overcome by the method, and the method can also be cooperated with the existing methods, such as MGI, so as to relieve the damage to device parts by the huge energy of the plasma cracking. The method for reliving the Tokamak plasma cracking has the advantages that the complicated technical means are not needed, the operation is simple and reliable, and the implementation cost is low.

Description

technical field [0001] The invention belongs to the field of protection against magnetic confinement nuclear fusion plasma rupture, and specifically relates to a method for alleviating a rupture by using electromagnetic coupling to guide part of the electromagnetic energy of the plasma out of a vacuum chamber at the moment of rupture, and reducing the sum of energy dissipated in the vacuum chamber at the moment of rupture. its device. Background technique [0002] The threat to the safe operation of the device caused by the plasma rupture of the tokamak is one of the key factors hindering the development of magnetic confinement fusion. The protection of plasma rupture is currently one of the research hotspots in this field. as attached figure 1 As shown, the tokamak plasma current 1 and the poloidal field coil 3 (including the central solenoid 3A and the poloidal field coil 3B) form a transformer structure, and the transformer principle is used to make the plasma current 1 ...

AI Technical Summary

Problems solved by technology

Although MGI and RMP have achieved relatively good rupture mitigation effects on most existing tokamak devices, these methods cannot reduce the total amount of heat deposition inside the vacuum chamber at the moment of rupture, and the rupture mitigation effect is limited.

The plasma energy of the large-scale tokamak device in the future will be even greater, more than 100 times that of the existing device. Whether the existing methods can alleviate the harm caused by the huge energy of the plasma rupture of the large-scale device in the future is still inconclusive

[0004] The greater the sum of the energy dissipated in the vacuum chamber during the plasma rupture process, that is, the greater the total amount of heat deposition formed in the vacuum chamber, the greater the damage caused by the rupture to the device. The existing rupture mitigation methods cannot reduce the rupture instant The sum of the energy dissipated inside the vacuum chamber

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