Stable and Unstable Regimes of Plasma Diodes in the Presence of Electron Collisions

A thermionic energy converter as the Pierce diode of which the interelectrode space is filled with a uniform background of immobile ions is considered. The features of stability of its time-independent solutions are investigated under electron collisions with background gas. The solutions are obtain...

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Bibliographic Details
Published inTechnical physics Vol. 64; no. 10; pp. 1452 - 1461
Main Authors Pramanik, S., Kuznetsov, V. I., Chakrabarti, N.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.10.2019
Springer
Springer Nature B.V
Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Classical and Continuum Physics
Collisions
Converters
ELECTRON COLLISIONS
Electrons
IONS
MATHEMATICAL SOLUTIONS
Physics
Physics and Astronomy
PLASMA
Plasma diodes
Plasma physics
STABILITY
THERMIONIC DIODES
TIME DEPENDENCE
India
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Summary:A thermionic energy converter as the Pierce diode of which the interelectrode space is filled with a uniform background of immobile ions is considered. The features of stability of its time-independent solutions are investigated under electron collisions with background gas. The solutions are obtained analytically by the Lagrange method. A dispersion equation is derived using a perturbative approach. The aperiodic solutions of this equation, as well as the oscillatory ones, are obtained and their properties are studied too. The regions of unstable aperiodic modes are determined. It is shown that all the oscillatory modes are stable.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784219100189