EVALUATION OF JET IMPACT REGION AND FLUID FORCE GENERATED FROM RUPTURED PIPES (2) EVALUATION OF FLUID FORCE USING COMPUTATIONAL FLUID DYNAMICS ANALYSIS

被引：0

作者：

Takahashi, Shiro ^{[1
]}

Xu, Qiang ^{[2
]}

Takamura, Noriyuki ^{[2
]}

Morita, Ryo ^{[3
]}

Uchiyama, Yuta ^{[3
]}

Watanabe, Shun ^{[3
]}

机构：

[1] Hitachi Ltd, Hitachi, Ibaraki, Japan

[2] Hitachi GE, Hitachi, Ibaraki, Japan

[3] CRIEPI, Yokosuka, Kanagawa, Japan

来源：

PROCEEDINGS OF THE 24TH INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, 2016, VOL 3 | 2016年

关键词：

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Nuclear power plants are designed to avoid damage to their safety installations because of jet impingement when a pipe is ruptured. We have investigated evaluation methods for the design basis of protection of plants against effects of postulated pipe rupture using computational fluid dynamics (CFD) analysis. The steam jet tests obtained using particle image velocimetry (PIV) were conducted in order to verify the CFD analysis. Spread of steam jets could be visualized and the shapes of the steam jets obtained by analysis were almost the same as those by tests. The spread angle of free jet was investigated using CFD analysis. We also measured jet fluid force when a cylindrical structure Was installed downstream from the jet nozzle. Steam jet fluid force obtained by analysis was almost the same as that by tests. We judged the CFD analysis to be applicable to evaluation of jet fluid force generated from ruptured pipes.

引用

页数：7

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