Development of low-pressure-loss steam separator with design by analysis and test (I) validation of analysis method and design of low-pressure-loss steam separator

被引:0
|
作者
Ikeda H. [1 ]
Takigawa Y. [1 ]
Iwaki C. [1 ]
Morooka S. [1 ]
Yamazaki Y. [1 ]
Yamada K. [1 ]
Yagii T. [2 ]
Soneda H. [3 ]
机构
[1] Toshiba Corporation, Isogo-ku, Yokohama 235-8523
[2] Tokyo Electric Power Company, Chiyoda-ku, Tokyo 100-8560
[3] Hitachi-GE Nuclear Energy, Ltd., Hitachi-shi, Ibaraki 317-0073
关键词
1/2.22-scale test; BWR; CFD; Low pressure loss; Steam separator; Swirler;
D O I
10.3327/taesj.J08.030
中图分类号
学科分类号
摘要
The purpose of this study is to develop a steam separator for BWR with low pressure loss by CFD and a scale model test. The swirler is the key component for the separation performance and pressure loss. Therefore, we have focused on the improvement of the swirler and tried to improve the swirler geometry to reduce the swirler pressure loss while maintaining the separation performance. This study consists of two stages. In the first stage, we measure pressure loss and water discharge ratio using the 1/2.22-scale test under BWR operating pressure, and then validate the CFD method by comparison with the scale test results. In the second stage, we improve the swirler geometry by the survey of some geometry factors using CFD. We predict that the inlet and outlet pressure losses of the swirler are dominant in the separator. By improving the geometry at the inlet and outlet of the swirler, we show from the results of CFD and a scale test that the improved swirler can reduce pressure loss by about 50% compared with the conventional swirler. © Atomic Energy Society of Japan.
引用
收藏
页码:109 / 117
页数:8
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