Numerical Analysis of the Convective Heat Transfer Coefficient Enhancement of a Pyro-Breaker Utilized in Superconducting Fusion Facilities
文献类型：期刊论文
| 作者 | He, Jun1,2; Wang, Ke2 ; Li, Jiangang2,3
|
| 刊名 | ENERGIES
 |
| 出版日期 | 2021-11-01 |
| 卷号 | 14 |
| 关键词 | superconducting fusion quench protection pyro-breaker convective heat transfer coefficient enhancement numerical simulation |
| DOI | 10.3390/en14227565 |
| 通讯作者 | He, Jun(hejun@ipp.ac.cn) |
| 英文摘要 | The conductive components of the pyro-breaker in the quench protection system (QPS) have high current density, a large number of electrical contacts and high thermal flux. The water system needs to meet the requirements of cooling and arc extinguishing at the same time. In a previous study, the bottleneck of the steady-state capacity appeared in the barrel conductor of the commutation section, which has a cylindrical cavity. The thermal stability of the commutation section at 100 kA level was simulated in ANSYS/Workbench. The results indicate a certain level of enhancement of the convective heat transfer coefficient of the cavity is required to reach the current capacity. However, the fluid flow inside the cavity is very complex, and the convective heat transfer coefficient is difficult to calculate. In this paper, Computational fluid dynamics (CFD) is applied to the optimization of the cooling water system of the pyro-breaker. By studying the enhancement method of convective heat transfer, optimization of the structure and processing method of the water channel are proposed. The convective heat transfer coefficients of the cylindrical cavity in these optimizations were calculated in CFX. A set of optimizations of the cavity, which can meet the requirements of China Fusion Engineering Test Reactor (CFETR), were obtained and verified by experiments. |
| WOS关键词 | TRANSFER INTENSIFICATION ; QUENCH PROTECTION ; SYSTEM ; THIN |
| 资助项目 | National Key Research and Development Program of China[2017YFE0300504] |
| WOS研究方向 | Energy & Fuels |
| 语种 | 英语 |
| 出版者 | MDPI |
| WOS记录号 | WOS:000727702600001 |
| 资助机构 | National Key Research and Development Program of China |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/126456]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 通讯作者 | He, Jun |
| 作者单位 | 1.Shenzhen Univ, Coll Phys & Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China 2.Shenzhen Univ, Adv Energy Res Ctr, Shenzhen 518060, Peoples R China 3.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China |
| 推荐引用方式 GB/T 7714 | He, Jun,Wang, Ke,Li, Jiangang. Numerical Analysis of the Convective Heat Transfer Coefficient Enhancement of a Pyro-Breaker Utilized in Superconducting Fusion Facilities[J]. ENERGIES,2021,14. |
| APA | He, Jun,Wang, Ke,&Li, Jiangang.(2021).Numerical Analysis of the Convective Heat Transfer Coefficient Enhancement of a Pyro-Breaker Utilized in Superconducting Fusion Facilities.ENERGIES,14. |
| MLA | He, Jun,et al."Numerical Analysis of the Convective Heat Transfer Coefficient Enhancement of a Pyro-Breaker Utilized in Superconducting Fusion Facilities".ENERGIES 14(2021). |
入库方式： OAI收割
来源：合肥物质科学研究院
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