High Power Laser and Particle Beams, Volume. 35, Issue 10, 106001(2023)
Numerical simulation of hydrogen distribution characteristics in reactor space under severe accident
Figures & Tables(11)
Fig. 4. Simulation results of different turbulence models (top:
Fig. 7. Variation of hydrogen concentration at different points in reactor space
Table 1. Parameters of five different mesh schemes
View tableView in ArticleTable 1. Parameters of five different mesh schemes
cells nodes maximum skewness average skewness standard deviation 1240059 2497908 0.8588 0.2445 0.1686 1688713 3367411 0.8954 0.2386 0.1684 2137368 4236914 0.8888 0.2333 0.1705 4397920 8544655 0.8577 0.2262 0.1695 6658472 12852396 0.8820 0.2170 0.1662
Table 2. Parameters for initial conditions and boundary conditions
View tableView in ArticleTable 2. Parameters for initial conditions and boundary conditions
parameter value steam injection mass flow rate/(kg·s−1) 1.56932 steam injection time/s 0～2100 steam injection temperature/K 480 hydrogen injection mass flow rate/(kg·s−1) 0.01407 hydrogen injection time/s 2100～3600 hydrogen injection temperature/K 420 initial gas composition in reactor space air initial gas temperature in reactor compartment/K 323 initial pressure in reactor space/atm 1 injection diameter/mm 38 injection position cold end non-isolated section direction vertically upward
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Zhiyong Xu, Jialei Liu, Yuqing Chen, Haifeng Wang. Numerical simulation of hydrogen distribution characteristics in reactor space under severe accident[J]. High Power Laser and Particle Beams, 2023, 35(10): 106001
Paper Information
Category: Nuclear Science and Engineering
Received: Apr. 19, 2023
Accepted: Aug. 19, 2023
Published Online: Nov. 30, 2023
The Author Email: Chen Yuqing (chenyuqing301@163.com)
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