Journal of Radiation Research and Radiation Processing, Volume. 42, Issue 5, 050402(2024)
Operation simulation of γ-irradiation equipment and optimization of irradiation cargo sequence
Figures & Tables(18)
Fig. 3. Simulation interface of irradiation operation system(color online)
Fig. 4. Space-time images of different dose rates of irradiation sources: (a) γ0=10 Gy/min; (b) γ0=15 Gy/min
Fig. 5. Curves of the number of boxes (a) and the quality of the irradiated cargo (b)
Fig. 6. Space-time image of irradiation dose status of box status (a) and cargo (b)
Fig. 7. Dynamic optimization sequence and optimization curve (goods type and quality of each optimization sequence)
Fig. 8. Curves of the number of boxes (a) and the quality of the irradiated cargo (b)
Fig. 9. Spatiotemporal diagram of the container irradiation status (a) and the cargo status (b) after dynamic optimization
Fig. 10. Three-dimensional diagram of loading sequence (a) and comparison diagram of irradiation sequence and loading sequence（b）
Table 1. The trigger condition of state transition
View tableView in ArticleTable 1. The trigger condition of state transition
转移方向
Direction
1→2 2→3 3→6 6→7 触发条件
Trigger condition
上货平台有空箱子且有货物There are empty boxes and goods on the loading platform 货物已装满The goods are full 辐照室有多余工位
The irradiation room has
redundant working position
吸收剂量完成
The irradiation dose is completed
转移方向
Direction
7→4 4→1 1→5 5→1 触发条件
The trigger condition
下货平台有空位
The loading platform has empty
货物已下完
The goods have been unloaded
辐照室箱体数量低于
最小工位时
The numbers of chambers
are less than the minimum
working position
辐照室箱体数大于最大工位时
The numbers of irradiation chamber are more than the maximum working position
Table 2. The sequence and parameters of radiation
View tableView in ArticleTable 2. The sequence and parameters of radiation
辐照序列
Irradiation sequence
1 … m1 m1+1 … m1+m2 … 辐照参数γj
Irradiation parameters
γ1 … γ1 γ2 … γ2 … 货物质量Gzi
Cargo mass
Gz1 … … …
Table 3. The sequence and parameters of radiation
View tableView in ArticleTable 3. The sequence and parameters of radiation
序列
Sequence
GZ1→40 GZ41→80 GZ81→120 γ1→40 γ41→80 γ81→120 参数
Parameters
400 kg 400 kg 400 kg 3 kGy 6 kGy 9 kGy
Table 4. The time-consuming, the irradiation status of goods and the irradiation proportion of empty containers under different irradiation sequences
View tableView in ArticleTable 4. The time-consuming, the irradiation status of goods and the irradiation proportion of empty containers under different irradiation sequences
辐照序列
Irradiation sequence
3 kGy→9 kGy→6 kGy 6 kGy→3 kGy→9 kGy 6 kGy→9 kGy→3 kGy 9 kGy→3 kGy→6 kGy 9 kGy→6 kGy→3 kGy 3 kGy→6 kGy→9 kGy 耗时 / min
Time-consuming
3 121 3 128 3 081 3 099 3 115 3 638 货物辐照状态占比 / %
Rate of irradiation status of
cargo
77 77 78 77 77 66 空箱辐照占比 / %
Rate of irradiation of
empty boxes
15 13 14 14 16 24
Table 5. The goods parameters for partial shipment
View tableView in ArticleTable 5. The goods parameters for partial shipment
货物
Goods
A B C D E F G H I 重量 / 103 kg
Weight
48 42 38 40 46 36.4 44 56 48 吸收剂量 / kGy
Irradiation dose
3 6 12 9 12 3 6 9 12 到货时间 / min
Arrival time
0 1 050 1 850 2 790 3 120 3 950 4 490 5 550 6 680 未辐照货物
Unirradiated cargo
A B C C, D C, D, E D, E, F D, E, F, G E, F, G, H F, G, H, I 未上货物重量 / 103 kg
Unloaded weight
48 42 38 14, 40 8, 40, 46 28.8, 46, 36.4 9.2, 46, 36.4, 44 23.2, 36.4, 44, 56 36, 44, 56, 48 上货时间 / min
Loading time
1 1 050 1 850 3 221 4 775 6 566 7 502 8 259 10 141
Table 6. The space-time ratios of the state
View tableView in ArticleTable 6. The space-time ratios of the state
状态
State
1 2 3 4 5 6 7 时空占比
Space-time ratios / %
1.86 0.5 4.77 0.5 7.48 84.72 0.17
Table 7. Time of loading
View tableView in ArticleTable 7. Time of loading
货物
Goods
上货时间 / min
Loading time
A/B/C
Loading time / min
1/1 050/1 850 D/E/F 3 221/4 622/5 634 G/H/I 6 514/7 818/9 750
Table 8. The space-time ratios of the state
View tableView in ArticleTable 8. The space-time ratios of the state
状态
State
1 2 3 4 5 6 7 时空占比
The space-time ratios / %
1.72 0.55 4.70 0.55 6.26 86.04 0.18
Tools
Get Citation
Copy Citation Text
Long YANG, Kun CHEN, Zhichao ZHU, Xiao GOU, Wei WANG. Operation simulation of γ-irradiation equipment and optimization of irradiation cargo sequence[J]. Journal of Radiation Research and Radiation Processing, 2024, 42(5): 050402
Paper Information
Category: RADIATION TECHNOLOGY APPLICATION
Received: Feb. 28, 2024
Accepted: Apr. 9, 2024
Published Online: Jan. 2, 2025
The Author Email: Kun CHEN (陈昆)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20