High Power Laser and Particle Beams, Volume. 34, Issue 5, 056003(2022)
Safety boundary of flow channel partial blockage in plate-type fuel assembly
Figures & Tables(8)
Fig. 3. Analysis results of non-adjacent channel complete blockage accident
Table 1. Thermophysical parameters of solid materials
View tableView in ArticleTable 1. Thermophysical parameters of solid materials
material density/(kg·m−3) specific heat/ (J·kg−1·K−1) thermal conductivity/(W·m−1·K−1) 6061Al 2700 896 170 U3Si2-Al 6000 406.7 32
Table 2. Average assembly calculation results under different grid sizes
View tableView in ArticleTable 2. Average assembly calculation results under different grid sizes
number of grids pressure drop/kPa mean convective heat transfer coefficient / (W·m−2·K−1) maximum fuel temperature /K 104466 57.99 33196.41 339.65 200500 57.52 33197.97 339.44 453855 57.33 33120.20 339.92
Table 3. Analysis results of different blockage rates and positions
View tableView in ArticleTable 3. Analysis results of different blockage rates and positions
No. blockage rate/% plug position Tfluid,max/K Tfuel,max/K Vch/(m·s−1) Tout/K 1 30 middle 337.82 365.61 5.29 329.12 2 35 middle 340.07 368.32 5.07 329.88 3 40 middle 343.56 371.82 4.89 330.68 4 45 middle 345.68 375.51 4.66 331.76 5 50 middle 358.15 390.59 4.39 333.14 6 55 middle 368.59 397.68 4.10 335.04 7 60 middle 383.58 413.68 3.75 337.67 8 30 side 345.35 402.03 5.44 328.44 9 35 side 369.32 415.48 5.29 329.13 10 40 side 387.61 436.60 5.08 330.02
Tools
Get Citation
Copy Citation Text
Wenjie Ding, Shaohua Wang, Jiao Gao, Haibing Guo, Jimin Ma, Zhiyong Liu. Safety boundary of flow channel partial blockage in plate-type fuel assembly[J]. High Power Laser and Particle Beams, 2022, 34(5): 056003
Paper Information
Category: Feature Issue on Application Technology of Research Reactor
Received: Nov. 22, 2021
Accepted: Mar. 18, 2022
Published Online: Jun. 2, 2022
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20