nucВестник НЯЦ РКNNC RK Bulletin1729-75161729-7885Национальный ядерный центр Республики Казахстан10.52676/1729-7885-2024-3-83-90nuc-694Research ArticleСтатьиОСОБЕННОСТИ РАБОТЫ ИМПУЛЬСНОГО УСКОРИТЕЛЯ ДУГОВОЙ ПЛАЗМЫ В ВАКУУМЕOPERATING FEATURES OF A PULSE ARC PLASMA ACCELERATOR IN VACUUMАмреноваА. У.АmrenovaA. U.

Алматы

 Almaty

amrenova.asem77@gmail.comhttps://orcid.org/0000-0001-9153-323XЖукешовА. М.ZhukeshovA. M.

Алматы

 Almaty

zhukeshov@physics.kzАбдыбайУ. Б.AbdybayU. B.

Алматы

 Almaty

abdibay_ulan@mail.ruМолдабековЖ. М.МoldabekovZh. M.

Алматы

 Almaty

zhan.moldabek@gmail.comКазахский национальный университет им. аль-ФарабиКазахстанAl-Farabi Kazakh National UniversityKazakhstan202430092024038390Copyright © Амренова А.У., Жукешов А.М., Абдыбай У.Б., Молдабеков Ж.М., 20242024Амренова А.У., Жукешов А.М., Абдыбай У.Б., Молдабеков Ж.М.Аmrenova A.U., Zhukeshov A.M., Abdybay U.B., Мoldabekov Z.M.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://journals.nnc.kz/jour/article/view/694

Для получения потока металлической плазмы разработан импульсный ускоритель вакуумной дуги и исследована его работа при вариации уровня вакуума в камере. При использовании электродов с аксиальной симметрией, показано формирование сначала тлеющего, а затем дугового разряда на катоде и дальнейшее ускорение плазмы анодным потенциалом. При высоком уровне вакуума 10−4 мбар наблюдали сжатие плазы к оси системы и пинчевание плазмы в собственном магнитном поле. Также работа установки сопровождается генерацией высокоскоростного потока, скорость которого, по крайней мере, на порядок выше скорости основного потока. Обсуждается механизм генерации плазмы и особенности его ускорения, а также условия получения покрытий на установке при различном уровне вакуума. Установка, разработанная в данной работе, отличается простотой конструкции и эффективностью.

The vacuum pulse arc plasma accelerator was designed especially for obtaining metal plasma streams also its performance under vacuum level variation in chamber was accurately explored. By using axial symmetric electrodes, the formation of firstly glow discharge after arc discharge has shown at the cathode and subsequent plasma acceleration with anodic potential. With a high vacuum level rate that equaled to 10−4 mbars, the plasma compression to the system axis and plasma electromagnetic pinch was clearly observed. Also presented installation accompanying the high-velocity stream generation process, that goes above the observed normal speed of the main stream. This work contains the discussion of plasma generation mechanisms and its features of acceleration, and conditions for receiving coverings at the unit under various vacuum levels. Designed unit presented on this work is characterized by its structure simplicity and almost effectiveness.

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The authors declare that there are no conflicts of interest present.