非能动余热排出系统二次侧模拟准则数研究

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Investigation on Scaling Criteria of Secondary Side Passive Residual Heat Removal System

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

摘要: 推导得出非能动余热排出系统二次侧自然循环过程的控制方程。选取合理的特征尺度,对方程进行了无量纲化,得到系统的相似准则数。本课题研究的主要特点是对两个相互耦合的自然循环过程的处理,对于能量方程的选取及无量纲化处理比已有类似研究也有所改进。
- 非能动余热排出系统 /
- 自然循环 /
- 相似准则数
Abstract: The governing equations for the natural circulation processes in the secondary passive residual heat removal system（PRHR） were derived in this paper.With proper reference parameters,the equations were nondimensionalized and the similarity groups for the system were achieved.The specialty of the study is the treating of the two coupled natural circulation processes.The choosing and nondimensionalization of the en-ergy equation has also some advantages over the existing researches.
- Passive residual heat removal system /
- Natural circulation /
- Nondimensionalization