NUCLEAR TECHNIQUES, Volume. 45, Issue 11, 110403(2022)
Design of portable multi-function radiation detection system
Figures & Tables(12)
Fig. 1. Overall structure diagram of portable multi-function radiation detector
Table 1. Test results of relative intrinsic error of γ dose equivalent rate
View tableView in ArticleTable 1. Test results of relative intrinsic error of γ dose equivalent rate
参考辐射场
Reference radiation field
约定真值 Conventional truth value / mSv∙h-1 平均值 Average value/ mSv∙h-1 相对误差 Relative error / % 137Cs 5.71×10-4 8.27×10-4 15 137Cs 6.03×10-3 7.11×10-3 15 137Cs 6.47×10-2 7.54×10-2 16 137Cs 1.20×10-1 1.41×10-1 17 137Cs 5.99×10-1 5.24×10-1 -13 137Cs 6.08 5.21 -14 137Cs 59.8 48.7 -18 137Cs 435 404.0 -7.1 60Co 551 487.0 -12 60Co 720 618.5 -14 60Co 1 164 995.0 -15
Table 2. Test results of relative intrinsic error of neutron dose equivalent rate
View tableView in ArticleTable 2. Test results of relative intrinsic error of neutron dose equivalent rate
参考辐射场Reference radiation field 约定真值 Conventional truth value / μSv∙h-1 平均值Average value/ μSv∙h-1 相对误差Relative error / % Am-Be 66.5 60.4 -9.2 Am-Be 220 229.1 4.1 252Cf 708 744.3 5.1 252Cf 2 340 2 260 -3.4
Table 3. Test results of LaBr3 detector energy response
View tableView in ArticleTable 3. Test results of LaBr3 detector energy response
参考辐射场Reference radiation field 约定真值Conventional truth value/ μSv∙h-1 平均值Conventional truth value/ μSv∙h-1 响应Response 能量响应Energy response L-55 48.9 38.9 0.90 1.01 L-70 50.3 43.3 0.86 0.96 L-100 50.9 44.5 0.87 0.97 L-170 46.5 42.0 0.90 1.01 L-240 41.4 36.7 0.89 1.00 137Cs 36.6 44.0 0.89 1.00 60Co 34.2 39.1 1.14 1.28
Table 4. Test results of GM detector energy response
View tableView in ArticleTable 4. Test results of GM detector energy response
参考辐射场Reference radiation field 约定真值Conventional truth value
/ μSv∙h-1
平均值Conventional truth value/ μSv∙h-1 响应Response 能量响应Energy response N-60 865 649.7 0.75 0.85 N-80 938 1 029.0 1.10 1.25 N-100 927 1 050 1.13 1.28 N-120 891 884.2 0.99 1.13 N-150 1 283 1 218 0.95 1.08 N-200 821 833.4 1.02 1.16 N-250 791 744.4 0.98 1.11 137Cs 823 727 0.88 1.00 60Co 486 434 0.89 1.01
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Song YANG, Xiaoquan ZHANG, Changming DENG, Yanting ZHANG, Fei XU, Lingling GUAN, Shaoqiang DUAN. Design of portable multi-function radiation detection system[J]. NUCLEAR TECHNIQUES, 2022, 45(11): 110403
Paper Information
Category: Research Articles
Received: Aug. 30, 2022
Accepted: --
Published Online: Nov. 25, 2022
The Author Email: DENG Changming (cmdeng@sina.com)
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