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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 |
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| 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 | |||||
