Penning Ion Source in Inertial Electrostatic Confinement Systems

IF 0.4 4区工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY Instruments and Experimental Techniques Pub Date : 2024-07-08 DOI:10.1134/s0020441224700507

I. A. Prokuratov, Yu. V. Mikhailov, B. D. Lemeshko, I. V. Il’ichev, T. A. Grigor’ev, A. K. Dulatov, D. I. Yurkov

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Abstract

In this paper, the Penning ion sources (PIS) characteristics are studied applied to their use in an inertial electrostatic confinement (IEC) system based on a two-electrode spherical chamber. In the IEC chamber with deuterium filling, due to multiple oscillations of ion beams through a gas-plasma target inside the central electrode, a beam-target mechanism for generating neutron radiation is realized. Based on the method for the neutron yield calculating of IEC systems, the requirements for a PIS are formulated to ensure the neutron yield (2.5 MeV) in the range of 10⁶–10⁷ neutr./s. A computational and experimental study of the discharge combustion regimes in the PIS has been carried out depending on the configuration of the external magnetic field and comparison of the currents in the PIS and the currents through the central electrode of the IEC chamber in the pressure range from 0.1 to 10 mTorr. The optimal number of PIS in the considered spherical chamber of the IEC justified.

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惯性静电约束系统中的潘宁离子源

摘要本文研究了潘宁离子源（PIS）的特性，并将其应用于基于双电极球形腔体的惯性静电约束（IEC）系统中。在充填氘的 IEC 室中，由于离子束通过中央电极内的气体等离子体靶的多次振荡，实现了产生中子辐射的束靶机制。根据 IEC 系统的中子产率计算方法，制定了 PIS 的要求，以确保中子产率（2.5 MeV）在 106-107 中子/秒的范围内。根据外部磁场的配置，对 PIS 中的放电燃烧状态进行了计算和实验研究，并比较了 0.1 至 10 mTorr 压力范围内 PIS 中的电流和通过 IEC 室中央电极的电流。在所考虑的 IEC 球形室中，PIS 的最佳数量是合理的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Instruments and Experimental Techniques 工程技术-工程：综合

CiteScore

1.20

自引率

33.30%

发文量

113

审稿时长

4-8 weeks

期刊介绍： Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.