非能动安全壳冷却系统CFD冷凝和蒸发模型研究

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Research of Condensation and Evaporation CFD Model for Passive Containment Cooling System

Science and Technology on Reactor System Design Technology, Nuclear Power Institute of China, Chengdu, 610041, China

摘要: 利用计算流体动力学(CFD)程序平台CASTEM,开发非能动安全壳冷却系统的冷凝、蒸发模型。冷凝模型中分别采用Buleev和k-ε两种湍流模型,蒸发模型采用了G.Aiello (2009)发展的液膜蒸发模型。试验验证分析表明,计算值与试验值吻合较好,所建立的冷凝、蒸发模型能较好地模拟非能动安全壳冷却系统在稳态下的传热传质特性。
- 非能动安全壳冷却系统 /
- CFD /
- 冷凝 /
- 蒸发
Abstract: Convection,vapor condensation and film evaporation is the key heat transfer mechanism in passive containment cooling system design adopted in AP1000 to accomplish the safety function.In this paper,a simplified model of the AP1000 PCCS has been developed and studied with considering condensation and evaporation models developed under a CFD platform of the CASTEM code and validated using the condensation tests and film evaporation tests.The research results have shown that the condensation and evaporation model can reflect the heat and mass transfer characteristics of the passive containment cooling system.
- Passive containment cooling system /
- CFD /
- Condensation /
- Evaporation