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Double-helix water channel type heavy-current beam catcher

A high-current electron beam and double-helix technology, which is applied in the field of double-helix water trough-type high-current electron beam collectors, can solve problems such as poor thermal conductivity, and achieve the effects of high heat exchange capacity, improved cooling capacity, and good thermal conductivity.

Inactive Publication Date: 2016-09-07
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

The traditional collector is generally made of stainless steel, and the disadvantage of stainless steel is mainly its poor thermal conductivity.

Method used

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  • Double-helix water channel type heavy-current beam catcher
  • Double-helix water channel type heavy-current beam catcher
  • Double-helix water channel type heavy-current beam catcher

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Embodiment Construction

[0050] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0051] The double-helix water tank type high-current electron beam collector of the present invention is composed of a double-helix water tank sleeve 6, a collector substrate 7, a front gland 8, a rear gland 9, a front silver wire sealing ring 10 and a rear silver wire seal. Circle 11 composed. The inner wall of the sleeve 6 is provided with a double helix water tank, and the double helix water tank includes a main water channel 601 and an auxiliary water channel 602, and the axial length of the main water channel 601 is L m The length of the region bombarded by electrons l c OK, L m ≥2l c , the pitch of the main waterway 601 satisfies 2la , satisfying L a = 2L m . A water inlet 6011 is opened at the starting point of the main waterway, and a water outlet hole 6012 is opened at the ending point, and a water inlet 6021 is opened at the ...

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Abstract

The invention belongs to the technical field of high-power microwaves and specifically relates to a double-helix water channel type heavy-current beam catcher, for the purpose of providing a beam catcher of a high-power microwave source suitable for long-time high-repeat-frequency operation so as to timely and efficiently transfer enormous heat energy deposited at the surface in a heavy-current electron-beam bombardment collector and effectively recover electron beams. The technical scheme is as follows: the heavy-current beam catcher is designed by use of a mode of cooperation between double-helix water channel sleeve and a metal tantalum substrate, a double-helix water channel formed between the sleeve and the substrate can improve uniformity of the speed of a fluid in the water channel and eliminate a flow speed dead zone so as to improve the convection heat exchange capability of a cooling structure, and a high melting point and a strong scattering feature of the metal tantalum substrate can improve the highest work temperature that the catcher can bear. In the beam catcher of a repeat-frequency, long-pulse and long-time running GW-grade high-power microwave generation device, the double-helix water channel type heavy-current beam catcher can effectively solve the problem of heat dissipation of the enormous heat energy generated by the beam bombardment collector.

Description

technical field [0001] The invention belongs to the technical field of high-power microwaves, and in particular relates to a double-helix water tank type high-current electron beam collector. Background technique [0002] The application background of the present invention is a high-power microwave source with repeated frequency operation. The high-power microwave source is a device that uses the interaction mechanism between the high-current relativistic electron beam and the eigenmode of the high-frequency structure in the vacuum high-frequency structure, and converts the energy of the high-energy electron beam into high-frequency electromagnetic wave energy. It is used in military and industrial applications. have important applications. At present, the energy efficiency of high-power microwave devices is generally low. The high-current relativistic electron beam still has relatively high kinetic energy after passing through the beam-wave interaction to hand over part of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J23/033H01J23/027
CPCH01J23/027H01J23/033
Inventor 荀涛白珍张军杨汉武靳振兴杨建华张建德钟辉煌
Owner NAT UNIV OF DEFENSE TECH
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