2022
DOI: 10.51368/1996-0948-2022-1-58-63
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Pulsed discharge in vapors of mixtures of cesium with metals

Abstract: На основе результатов расчетных и экспериментальных исследований показана перспективность использования сплава цезия с рубидием в качестве плазмообразующей среды в серийных импульсных источниках ИК-излучения. Установлено, что при 25 % весовом содержании рубидия в сплаве с цезием давление паров и теплопроводность плазмы близки к указанным характеристикам серийной импульсной лампы, наполненной амальгамой цезия. Полученные результаты позволили повысить пиковую мощность излучения и создать экологически чистый импу… Show more

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“…Regimes with a plasma channel assuming the simplest centered structure (when plasma is concentrated mostly in the near-axial region) have been examined in earlier studies into such discharges [1][2][3][4][5]. Recent research [6][7][8][9] indicates that the plasma channel in a high-pressure pulse-periodic discharge (PPD) in cesium may assume different forms. In the present study, a PPD in cesium is used as an example to examine the transformation of the plasma discharge channel from a centered structure to a shell one in the process of plasma heating by a current pulse.…”
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confidence: 99%
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“…Regimes with a plasma channel assuming the simplest centered structure (when plasma is concentrated mostly in the near-axial region) have been examined in earlier studies into such discharges [1][2][3][4][5]. Recent research [6][7][8][9] indicates that the plasma channel in a high-pressure pulse-periodic discharge (PPD) in cesium may assume different forms. In the present study, a PPD in cesium is used as an example to examine the transformation of the plasma discharge channel from a centered structure to a shell one in the process of plasma heating by a current pulse.…”
mentioning
confidence: 99%
“…3, b). The transition from a centered channel structure to a shell one is accompanied by a sharp reduction in the radius of the glowing discharge channel (see [7,9]). Note that the value of c p in the near-axis region does again go through a deep minimum in the process of plasma cooling after the propagation of a current pulse, and the spatial distribution of plasma in the channel undergoes a reverse transformation.…”
mentioning
confidence: 99%