CFD方法在超临界水冷堆热工水力研究中的应用现状

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Application of CFD Methods in Research of SCWR Thermo-Hydraulics

CNNC Key Laboratory on Nuclear Reactor Thermal Hydraulics Technology, Nuclear Power Institute ofChina, Chengdu, 610041, China

摘要: 计算流体力学(CFD)数值方法已成为超临界水冷堆热工水力特性分析的重要工具。目前,超临界条件下的CFD数值方法一般直接采用亚临界单相湍流模型,其局限性在于现有的湍流模型难以准确模拟重力和热膨胀加速度效应,在热流密度特别大的情况下,CFD数值方法适用性较差。本文综合介绍了中核核反应堆热工水力重点实验室(RETH)所开展的超临界水冷堆热工水力特性CFD分析。
- 计算流体力学(CFD) /
- 超临界水冷堆 /
- 热工水力 /
- 应用现状
Abstract: The CFD method has been an important tool in the research of SCWR thermo-hydraulics.Currently,the CFD methods uses commonly the subcritical turbulence models,which can not accurately simulate the gravity and thermal expansion acceleration effect,and CFD numerical method is not applicable when the heat flux is large.The paper summarizes the application status of the CFD methods in the research of SCWR thermo-hydraulics in RETH.
- CFD /
- Supercritical Water reactor /
- Thermo-hydraulics /
- Application status