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Possibility of Simulation Experiments for Fast Particle Physics in Large Helical Device (LHD)
http://hdl.handle.net/10655/2862
http://hdl.handle.net/10655/286288e91b88-7f87-4849-b2b9-ff4b400e382c
Item type | 研究報告書 / Research Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2010-02-05 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Possibility of Simulation Experiments for Fast Particle Physics in Large Helical Device (LHD) | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | outgassing rate | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | thermal desorption model | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sticking probability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Freundlich isotherm | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Temkin isotherm | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | extended Temkin isotherm | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
"Sato, K.N.
× "Sato, K.N.× Murakami, S.× Nakajima, N.× Itoh, K." |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "In order to derive theoretically the outgassing rate versus time characteristics(Q vs t) in the pump-down of an unbaked vacuum system, a thermal desorption model in the light of adsorption - desorption of gas molecules on surface has been proposed. In this model the outgassing rate is described as a function of time using the conservation of mass equation for gas molecules in the vacuum system. In order to solve this equation, it is essential to introduce an auxiliary equation which enables to determine the surface covarage as a function of the heat of absorption. when this auxiliary function is expressed with the variation of heat of adsorption in the Temkin isotherm and the Freundlich isotherm, the solution for the outgassing rate gives a power law Q = const.(1/t)^x where x is a constant as much as 1, which is usually familiar in the pump-down of a vacuum system." | |||||
書誌情報 |
en : Research Report NIFS-Series 発行日 1995-12-01 |
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報告書番号 | ||||||
NIFS-389 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0915-633X |