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Data driven approaches to the atomic kinetics in plasmas for efficient investigation of complex problems and its applications
https://repo.qst.go.jp/records/76943
https://repo.qst.go.jp/records/76943a8c6878d-3290-40e1-8ec6-093f0b138f30
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2019-04-25 | |||||
タイトル | ||||||
タイトル | Data driven approaches to the atomic kinetics in plasmas for efficient investigation of complex problems and its applications | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_c94f | |||||
資源タイプ | conference object | |||||
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 |
佐々木, 明
× 佐々木, 明× Sasaki, Akira |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The Collisional Radiative(CR) approach has been widely used to analyze atomic processes in plasmas in non-thermodynamic equilibrium state (nLTE) to investigate their radiative property. For the application of laser-produced plasmas from light sources to fusion, coupled radiation hydrodynamics is of the interest, however, calculation of the CR-model taking complex atomic structure and atomic spectrum into account is still a part of the challenges. We have developed a calculation method based on a Markov Chain Monte-Carlo approach, which has enabled one to calculate the ionization balance of tungsten plasma for magnetic fusion with 1/100 less calculation time in comparison with those using the conventional method. We will also discuss the model describing the state of the plasma and its non-linear behavior taking these features of the radiation into account including possible applications of the model. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 11th International Conference on Inertial Fusion Sciences and Applications (IFSA 2019) | |||||
発表年月日 | ||||||
日付 | 2019-09-23 | |||||
日付タイプ | Issued |