دورية أكاديمية
Progress in Advanced Modeling and Numerical Simulation of High-performance Particle Transport for Sodium-cooled Fast Reactor
| العنوان: | Progress in Advanced Modeling and Numerical Simulation of High-performance Particle Transport for Sodium-cooled Fast Reactor |
|---|---|
| المؤلفون: | ZHOU Peide;XUE Xiaogang;WU Mingyu;WANG Shixi;WU Zongyun;HUO Xingkai;GAO Xinzhao;ZHANG Qiang;FU Yuanguang;ZHOU Shengcheng;LIU Chen;MA Jianming |
| المصدر: | Yuanzineng kexue jishu, Vol 56, Iss 11 (2022) |
| بيانات النشر: | Editorial Board of Atomic Energy Science and Technology, 2022. |
| سنة النشر: | 2022 |
| المجموعة: | LCC:Nuclear engineering. Atomic power LCC:Nuclear and particle physics. Atomic energy. Radioactivity |
| مصطلحات موضوعية: | sodium-cooled fast reactor, high-performance simulation, advanced modeling, parallel computation, coupling, Nuclear engineering. Atomic power, TK9001-9401, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798 |
| الوصف: | The fuel assembly and fuel rod bundle of sodium-cooled fast reactor are arranged in a triangle form. The fuel assembly adopts closed structure deign without mixing of coolant between assemblies, which is cooled by the sodium coolant through the distribution header on the bottom of the core to accomplish the matching of coolant and nuclear power and flattening the outlet temperature of the reactor core. It is of great significance for the core design and flow distribution scheme to carry out the whole core pinbypin refinement power distribution and neutronicthermal coupling calculation. There are many internal components and complex structures in the pool type fast reactor container including the core, the internal shielding structure, the primary main pump, intermediate heat exchanger, independent heat exchanger and loading and unloading elevators which are arranged around the core. The design of neutron extraction channel in the direction of loading and unloading lifting devices leads to the asymmetry of the structure in the reactor container. It causes obvious anisotropic scattering in the process of neutron transport calculation, which is also a typical deep penetration problem, so more reliable and accurate calculation results require threedimensional calculation with the whole range of the reactor container. The above problems pose challenges to modeling and neutron transport calculation. The highperformance simulation system of sodiumcooled fast reactor adopts advanced modeling technology, largescale parallel computing technology, transportburnup coupling function, coreassemblylattice multilevel mapping and conversion technology to realize the full range threedimensional fine modeling and multiphysical coupling calculation, including the shielding calculation of the container of pool structure fast reactor, the deep penetration calculation of neutron transport of detectors outside the reactor, pinbypin refined power distribution calculation, transport burnup coupling calculation and full core neutronic-thermal sub-channel coupling calculation with the parallel computation scale, and reaches thousands of cores. Through CAD preprocessing modeling, mesh generation, highperformance calculation and visualization, the threedimensional calculation results of large pool type fast reactor can be given more comprehensively and finely, and a clearer physical image of the core or reactor container can be obtained. The comparison between the local key position and the existing calculation program verifies that the highperformance simulation system of fast reactor is reasonable and feasible which provides support for further reducing the conservative margin of design and local structure optimization. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English Chinese |
| تدمد: | 1000-6931 |
| Relation: | https://www.aest.org.cn/CN/10.7538/yzk.2022.youxian.0197; https://doaj.org/toc/1000-6931 |
| DOI: | 10.7538/yzk.2022.youxian.0197 |
| URL الوصول: | https://doaj.org/article/d3688d5783e1487b91959fc6059071ac |
| رقم الأكسشن: | edsdoj.3688d5783e1487b91959fc6059071ac |
| قاعدة البيانات: | Directory of Open Access Journals |
Full Text Finder | تدمد: | 10006931 |
|---|---|
| DOI: | 10.7538/yzk.2022.youxian.0197 |