优化技术在压水堆燃料组件定位格架开发中的应用

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Optimization Method Applied in Development of Spacer Grid of PWR Fuel Assembly

1. School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China;
2. Nuclear Power Institute of China, Chengdu, 610041, China

摘要: 基于计算流体动力学(CFD)技术的优化方法,将CFD软件与三维结构设计软件和计算机辅助优化软件结合起来,对搅混翼结构设计进行了优化,以提高格架的热工水力性能。在5×5格架上对一组最佳结构参数结果进行了CFD计算验证。结果表明,采用这种优化技术进行格架优化设计是可行的。
- 优化技术 /
- 燃料组件 /
- 定位格架 /
- 热工水力 /
- 计算流体动力学
Abstract: This paper introduces an optimization method based on the CFD（Computational Fluid Dynamics） technology.The method combined the CFD code with the 3D CAD code and the CAO（Computational Aided Optimization） code,and performed the structural design of the mixing vanes to improve the thermal-hydraulic performance of grids,and verified the results of the optimization through the CFD analysis on 5×5 grid.The results show that it is feasible to adopt the optimization technology to optimize the design of the spacer grid.
- Optimization technology /
- Fuel assembly /
- Spacer grid /
- Thermal-hydraulic /
- Computational Fluid Dynamics