Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Influence of metastable atoms on the formation of nonlocal EDF, electron reaction rates, and transport coefficients in argon plasma. / Yuan, C.; Zhou, Z.; Yao, Jingfeng; Bogdanov, E. A.; Kudryavtsev, A. A.; Rabadanov, K. M.
в: Plasma Sources Science and Technology, Том 28, № 3, 035017, 20.03.2019.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Influence of metastable atoms on the formation of nonlocal EDF, electron reaction rates, and transport coefficients in argon plasma
AU - Yuan, C.
AU - Zhou, Z.
AU - Yao, Jingfeng
AU - Bogdanov, E. A.
AU - Kudryavtsev, A. A.
AU - Rabadanov, K. M.
PY - 2019/3/20
Y1 - 2019/3/20
N2 - The influence of metastable atoms on formation of the nonlocal electron distribution function (EDF) and other characteristics of gas-discharge plasma in argon is investigated in this paper. Superelastic collisions of electrons with metastable atoms strongly affect the shape of the EDF, the behavior of reaction rate constants, and other plasma characteristics. An interesting phenomenon of EDF replication emerges with a period of excitation threshold; this effect can increase the rate constants of excitation and ionization processes by several orders of magnitude, especially at the periphery of the plasma volume. Thus, collisions between electrons and metastable atoms are important in the formation of a nonlocal EDF, and neglecting them can lead to large errors in calculations of plasma characteristics.
AB - The influence of metastable atoms on formation of the nonlocal electron distribution function (EDF) and other characteristics of gas-discharge plasma in argon is investigated in this paper. Superelastic collisions of electrons with metastable atoms strongly affect the shape of the EDF, the behavior of reaction rate constants, and other plasma characteristics. An interesting phenomenon of EDF replication emerges with a period of excitation threshold; this effect can increase the rate constants of excitation and ionization processes by several orders of magnitude, especially at the periphery of the plasma volume. Thus, collisions between electrons and metastable atoms are important in the formation of a nonlocal EDF, and neglecting them can lead to large errors in calculations of plasma characteristics.
KW - Boltzmann equation
KW - Gas discharge
KW - Low-temperature plasma
KW - Metastable atoms
KW - Nonlocal electron distribution function
KW - Positive column
KW - Superelastic collisions
UR - http://www.scopus.com/inward/record.url?scp=85066239048&partnerID=8YFLogxK
U2 - 10.1088/1361-6595/ab0954
DO - 10.1088/1361-6595/ab0954
M3 - Article
AN - SCOPUS:85066239048
VL - 28
JO - Plasma Sources Science and Technology
JF - Plasma Sources Science and Technology
SN - 0963-0252
IS - 3
M1 - 035017
ER -
ID: 42900846