Heat Transfer Analysis of the Passive Residual Heat Removal System in ROSA/AP600 Experiments

1998 ◽  
Vol 124 (1) ◽  
pp. 18-30 ◽  
Author(s):  
Taisuke Yonomoto ◽  
Yutaka Kukita ◽  
Richard R. Schultz
Keyword(s):  
Heat Transfer ◽  
Heat Removal ◽  
Heat Transfer Analysis ◽  
Heat Removal System ◽  
Removal System ◽  
Residual Heat

scholarly journals Study on natural convection heat transfer in a closed cavity with hot and cold tubes

2021 ◽  
Vol 104 (2) ◽  
pp. 003685042110209
Author(s):  
Jiyu Zheng ◽  
Liang Zhang ◽  
Hai Yu ◽  
Yilong Wang ◽  
Tong Zhao
Keyword(s):  
Heat Transfer ◽  
Natural Convection ◽  
Power Plant ◽  
Nuclear Power Plant ◽  
Nuclear Power ◽  
Heat Removal ◽  
Closed Cavity ◽  
Heat Removal System ◽  
Removal System ◽  
Residual Heat

Laminar natural convection with a pair of hot and cold tube in a closed cubic cavity is carried out. This configuration can be founded in performance of nuclear power plant containment passive residual heat removal system. The basic government aquations are sloved by means of finite volume method. The effect of Ra number (103–106), shape of tube and spatial position on local and mean heat transfer characteristics is studied. It is found that the Nu number increased when raising Ra number. The Nu number is higher when the shapes are circle and triangle. In adddition, it is founded that the heat transfer has a better effect when the cold tube locates above the hot tube among the five spatial positions. The results provides theoretical basis for performance of nuclear power plant containment passive residual heat removal system.

Two phase natural circulation and the heat transfer in the passive residual heat removal system of an integral type reactor

2006 ◽  
Vol 33 (3) ◽  
pp. 262-270 ◽  
Author(s):  
Young-Jong Chung ◽  
Hee-Cheol Kim ◽  
Bub-Dong Chung ◽  
Moon-Ki Chung ◽  
Sung-Quun Zee
Keyword(s):  
Heat Transfer ◽  
Natural Circulation ◽  
Heat Removal ◽  
Integral Type ◽  
Two Phase ◽  
Type Reactor ◽  
Heat Removal System ◽  
Removal System ◽  
Residual Heat
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