scholarly journals Numerical investigation of the Critical Heat Flux in a 5 × 5 Rod Bundle with Multi-grid

Author(s):  
Wei Liu ◽  
Zemin Shang ◽  
Shihao Yang ◽  
Lixin Yang ◽  
Zihao Tian ◽  
...  
2004 ◽  
Vol 148 (3) ◽  
pp. 287-293
Author(s):  
Hee Taek Chae ◽  
Jong Hark Park ◽  
Heonil Kim ◽  
Soon Heung Chang

2007 ◽  
Vol 44 (9) ◽  
pp. 1189-1198 ◽  
Author(s):  
Se-Young CHUN ◽  
Sung-Deok HONG ◽  
Hiroshige KIKURA ◽  
Masanori ARITOMI

Author(s):  
Byeung-Seok Kim ◽  
Kang-Hoon Moon ◽  
Kang-Hoon Kim ◽  
Jong-Seon Lim

The sensitivity of DNBR values to approaches of subchannel control volume selection has been investigated for the TS01 and TS03 out of HIPER17 CHF tests. In rod bundle analysis, most of the subchannel analyses used the coolant-centered subchannel nodal layout. But, it has been known that the rod-centered subchannel analysis showed good results for high quality critical heat flux. In this study, it was demonstrated that the rod-centered subchannel analysis showed more effective and conservative results than the coolant-centered subchannel analysis with the DNBR value, the quality, and the mass velocity. Also, it was verified that when the both results yielded from each subchannel analysis were compared, the subchannel locations at which DNBR occurred were similar.


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