Control of tungsten impurity source and edge transport using different gas injection with full tungsten divertor on EAST
文献类型：期刊论文
| 作者 | Ding, R.1 ; Xu, G. L.1; Wang, H.1; Ding, F.1; Zhang, L.1; Zhang, Q.1; Li, K. D.1; Liu, J. B.1; Brezinsek, S.2; Kirschner, A.2
|
| 刊名 | NUCLEAR MATERIALS AND ENERGY
 |
| 出版日期 | 2022-10-01 |
| 卷号 | 33 |
| DOI | 10.1016/j.nme.2022.101250 |
| 通讯作者 | Ding, R.(rding@ipp.ac.cn) ; Xu, G. L.(guoliang.xu@ipp.ac.cn) |
| 英文摘要 | Tungsten (W) erosion and edge transport are investigated for EAST L-mode discharges with different gas injection. It is found that W erosion can be suppressed or mitigated by Ne or D-2 seeding when divertor detachment is achieved. Compared to edge D-2 fueling, Ne seeding from the divertor target is favorable for full detachment condition and thus W erosion suppression. Increasing the upstream plasma density by edge D-2 fueling can affect the divertor condition, which may lead to a W erosion mitigation. D-2 puffing at divertor target is less effective on increasing the upstream plasma density than OMP D-2 puffing, and thus it is less effective on reduction of W erosion rates. W gross erosion profiles with different amount of injected D-2 at the divertor are reproduced by a mixed material W erosion model, which indicates that there exist a Li-C overlayer on the W surface of EAST divertor. Ne and D-2 injection are also found to have different impact on the normalized core W density. For the attached divertor condition, divertor Ne seeding will increase W leakage, but a suitable D-2 fueling from divertor target can strengthen the edge W screening. After the divertor detachment, although the W source is dramatically reduced, the W core density is kept in a high level for the Ne seeding discharges, and even increased for the D-2 fueling discharges. |
| WOS关键词 | LITHIUM ; EROSION |
| 资助项目 | National Natural Science Foundation of China[12022511] ; National Natural Science Foundation of China[12005143] ; National Key Research and Development Program of China ; National MCF Energy R&D Program of China[2022YFE03180100] ; National MCF Energy R&D Program of China[2019YFE03080100] ; Key Research Program of Frontier Sciences, CAS[ZDBS-LY-SLH010] ; Science Foundation of Institute of Plasma Physics, Chinese Academy of Sciences[DSJJ-2021-02] |
| WOS研究方向 | Nuclear Science & Technology |
| 语种 | 英语 |
| WOS记录号 | WOS:000862873900008 |
| 出版者 | ELSEVIER |
| 资助机构 | National Natural Science Foundation of China ; National Key Research and Development Program of China ; National MCF Energy R&D Program of China ; Key Research Program of Frontier Sciences, CAS ; Science Foundation of Institute of Plasma Physics, Chinese Academy of Sciences |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/129277]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 通讯作者 | Ding, R.; Xu, G. L. |
| 作者单位 | 1.Chinese Acad Sci, Inst Plasma Phys, Hefei, Peoples R China 2.Forschungszentrum Julich, Inst Energie & Klimaforsch, Julich, Germany |
| 推荐引用方式 GB/T 7714 | Ding, R.,Xu, G. L.,Wang, H.,et al. Control of tungsten impurity source and edge transport using different gas injection with full tungsten divertor on EAST[J]. NUCLEAR MATERIALS AND ENERGY,2022,33. |
| APA | Ding, R..,Xu, G. L..,Wang, H..,Ding, F..,Zhang, L..,...&Chen, J. L..(2022).Control of tungsten impurity source and edge transport using different gas injection with full tungsten divertor on EAST.NUCLEAR MATERIALS AND ENERGY,33. |
| MLA | Ding, R.,et al."Control of tungsten impurity source and edge transport using different gas injection with full tungsten divertor on EAST".NUCLEAR MATERIALS AND ENERGY 33(2022). |
入库方式： OAI收割
来源：合肥物质科学研究院
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。