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Error estimations of the heat flux reconstruction for ITER divertor infrared thermography
https://repo.qst.go.jp/records/80605
https://repo.qst.go.jp/records/80605613ea51c-de9b-4600-9006-a63cd69627c1
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2020-09-30 | |||||
| タイトル | ||||||
| タイトル | Error estimations of the heat flux reconstruction for ITER divertor infrared thermography | |||||
| 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_6501 | |||||
| 資源タイプ | journal article | |||||
| 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 |
Ushiki, Tomohiko
× Ushiki, Tomohiko× Imazawa, Ryota× Hatae, Takaki× Sugie, Tatsuo× Murakami, Hidetoshi× Tomohiko, Ushiki× Ryota, Imazawa× Takaki, Hatae× Tatsuo, Sugie× Hidetoshi, Murakami |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | This study developed a new heat flux reconstruction code based on the dual reciprocity boundary element method for the International Thermonuclear Experimental Reactor (ITER) divertor infrared (IR) thermography system. To use divertor heat flux reconstruction in ITER, we modeled the boundary condition between the coolant pipe inner wall and the coolant based on the temperature-dependent heat transfer coefficient and also considered the temperature dependence of tungsten thermal properties. Using this reconstruction code, we evaluated the sensitivity of the input data errors, divertor coolant temperature, and surface temperature errors on the accuracy of heat flux reconstruction by using simplified heat flux profiles, which are spatially uniform on the top surface of the monoblocks. This heat flux reconstruction method demonstrated that highly accurate heat flux reconstruction can be achieved for high heat flux cases in ITER; however, further studies are needed for low heat flux reconstruction. | |||||
| 書誌情報 |
Review of Scientific Instruments 巻 91, p. 063508, 発行日 2020-06 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0034-6748 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1063/1.5143893 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://aip.scitation.org/doi/abs/10.1063/1.5143893 | |||||
