Effect of PSI on Momentum Input to Plasma‐Facing Material Surfaces | Zendy

Takamura S. | Zendy; Uesugi Y. | Zendy; Kuwabara T. | Zendy

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Effect of PSI on Momentum Input to Plasma‐Facing Material Surfaces

Author(s) -

Takamura S.,

Uesugi Y.,

Kuwabara T.

Publication year - 2016

Publication title -

contributions to plasma physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.531

H-Index - 47

eISSN - 1521-3986

pISSN - 0863-1042

DOI - 10.1002/ctpp.201610061

Subject(s) - momentum (technical analysis) , plasma , reflection (computer programming) , sputtering , physics , cantilever , tension (geology) , atomic physics , materials science , mechanics , classical mechanics , nuclear physics , quantum mechanics , composite material , computer science , thin film , finance , moment (physics) , economics , programming language

A comprehensive formulation for momentum input to plasma‐facing material surfaces is newly tried, including a momentum increase due to ion reflection on surfaces with a new definition of momentum reflection coefficient, a momentum due to reaction of evaporated atoms, an increase due to physical sputtering, and the effect of plasma flow. Experimentally observed momentum input is evaluated with a simple formula as well as a mechanical cantilever model. In addition, the measurement with dial tension gauge in off‐plasma condition gives a total force, the value of which is compared with the above two estimations. (© 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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