NUCLEAR TECHNIQUES, Volume. 46, Issue 7, 070607(2023)
Reliability analysis of helium pressure non-destructive testing method of the fuel rod
Figures & Tables(15)
Fig. 2. Diagram of helium pressure measurement using the heat transfer method
Fig. 3. Snapshot of non-destructive testing equipment for measurement of helium pressure inside fuel rod
Fig. 5. Test results of standard rods with three different helium pressures (a) Helium pressure value of 0.98 MPa, (b) Helium pressure value of 1.76 MPa, (c) Helium pressure value of 2.45 MPa
Fig. 6. Deviation distribution between non-destructive testing data and puncture manometry data
Fig. 7. Comparison chart of test results using nondestructive testing method for test rod 4-1 (a) Summer, (b) Winter
Fig. 8. Relationship between helium pressure value and temperature in the non-destructive testing of experimental rod 4-1(a) Summer, (b) Winter
Table 1. Information and variable control of the fuel rods tested in the experiment
View tableView in ArticleTable 1. Information and variable control of the fuel rods tested in the experiment
序号Number 对应后7位棒号Rod number 棒自身温度Temperature of the rod itself 测量间隔时间Measurement interval time / min 测量次数Number of measurements 环境温度Ambient temperature / ℃ 1-1 2370299 与环境温度一致Consistent with ambient temperature 2 20 28 1-2 2390556 29 1-3 2420178 29 1-4 2450656 30 1-5 2460624 30 1-6 2550899 27 1-7 2600303 26 1-8 2730543 25 1-9 2780432 24 1-10 2810405 24 2-1 2580933 与环境温度一致Consistent with ambient temperature 1 20 27 2-2 2630614 26 2-3 2660314 26 2-4 2701024 27 2-5 2751104 26 2-6 2940287 0,2 27 2-7 3100154 0 25 3-1 2870898 刚经过清洗与热烘Just undergone cleaning and hot drying 1 20 27 4-1 0710250 与环境温度一致Consistent with ambient temperature 2 每日10次10 times daily 每日变化Daily changes
Table 2. Test results of the standard rod (0.98 MPa)
View tableView in ArticleTable 2. Test results of the standard rod (0.98 MPa)
序号Number 标准棒氦压值Helium pressure value of standard rod / MPa 实测值Measured value / MPa 序号Number 标准棒氦压值Helium pressure value of standard rod / MPa 实测值Measured value / MPa 1 0.98 0.98 11 0.98 0.97 2 0.98 0.97 12 0.98 0.97 3 0.98 0.98 13 0.98 0.98 4 0.98 0.98 14 0.98 0.97 5 0.98 0.98 15 0.98 0.97 6 0.98 0.98 16 0.98 0.97 7 0.98 0.98 17 0.98 0.98 8 0.98 0.97 18 0.98 0.98 9 0.98 0.99 19 0.98 0.98 10 0.98 0.98 20 0.98 0.97
Table 3. Test results of the standard rod (1.76 MPa)
View tableView in ArticleTable 3. Test results of the standard rod (1.76 MPa)
序号Number 标准棒氦压值Helium pressure value of standard rod / MPa 实测值Measured value / MPa 序号Number 标准棒氦压值Helium pressure value of standard rod / MPa 实测值Measured value / MPa 1 1.76 1.76 11 1.76 1.76 2 1.76 1.76 12 1.76 1.77 3 1.76 1.76 13 1.76 1.77 4 1.76 1.76 14 1.76 1.77 5 1.76 1.77 15 1.76 1.77 6 1.76 1.77 16 1.76 1.76 7 1.76 1.75 17 1.76 1.75 8 1.76 1.77 18 1.76 1.76 9 1.76 1.76 19 1.76 1.78 10 1.76 1.76 20 1.76 1.76
Table 4. Test results of the standard rod (2.45 MPa)
View tableView in ArticleTable 4. Test results of the standard rod (2.45 MPa)
序号Number 标准棒氦压值Helium pressure value of standard rod / MPa 实测值Measured value / MPa 序号Number 标准棒氦压值Helium pressure value of standard rod / MPa 实测值Measured value / MPa 1 2.45 2.45 11 2.45 2.45 2 2.45 2.43 12 2.45 2.44 3 2.45 2.43 13 2.45 2.43 4 2.45 2.42 14 2.45 2.44 5 2.45 2.42 15 2.45 2.43 6 2.45 2.44 16 2.45 2.45 7 2.45 2.45 17 2.45 2.43 8 2.45 2.44 18 2.45 2.42 9 2.45 2.42 19 2.45 2.46 10 2.45 2.44 20 2.45 2.43
Table 5. Comparison between non-destructive testing method and puncture manometry data
View tableView in ArticleTable 5. Comparison between non-destructive testing method and puncture manometry data
序号Number 无损检测法数据平均值NDT data mean / MPa 标准差Standard deviation / MPa 穿刺测压法换算结果Conversion result of puncture pressure measurement method / MPa 偏差（无损-穿刺）Deviation (lossless-puncture) / MPa 环境温度Ambient temperature / ℃ 1-1 2.131 0.010 2.139 -0.008 28 1-2 2.140 0.009 2.149 -0.009 29 1-3 2.149 0.006 2.148 0.001 29 1-4 2.151 0.006 2.165 -0.014 30 1-5 2.165 0.006 2.151 0.014 30 1-6 2.142 0.006 2.146 -0.004 27 1-7 2.162 0.010 2.170 -0.008 26 1-8 2.223 0.009 2.194 0.029 25 1-9 2.175 0.009 2.177 -0.002 24 1-10 2.179 0.009 2.182 -0.003 24
Table 6. Comparison of test rods using two methods for different single measurement time intervals and fuel rod temperature
View tableView in ArticleTable 6. Comparison of test rods using two methods for different single measurement time intervals and fuel rod temperature
序号Number 测量间隔时间Measurement interval time / min 棒自身温度Temperature of the rod itself 无损检测法数据平均值NDT data mean / MPa 标准差Standard deviation / MPa 穿刺测压法换算结果Conversion result of puncture pressure measurement method / MPa 偏差（有损-穿刺）Deviation (damage-puncture) / MPa 环境温度Ambient temperature / ℃ 2-1 1 与环境温度一致Consistent with ambient temperature 2.148 0.011 2.162 -0.014 26 2-2 2.187 0.006 2.197 -0.010 26 2-3 2.150 0.009 2.182 -0.032 26 2-4 2.175 0.009 2.208 -0.033 27 2-5 2.176 0.008 2.184 -0.008 27 2-6 2 2.173 0.009 2.201 -0.028 27 0 2.159 0.010 2.201 -0.042 27 2-7 2.169 0.013 2.220 -0.051 24 3-1 1 刚经过清洗与热烘Just undergone cleaning and hot drying 2.128 0.007 2.208 -0.080 26
Table 7. Trend of calibration value of non-destructive testing equipment over time during testing (partial data)
View tableView in ArticleTable 7. Trend of calibration value of non-destructive testing equipment over time during testing (partial data)
日期Date 环境温度Ambient temperature / ℃ 标准棒标定值Helium pressure value of standard rod / MPa 0.98 1.76 2.45 8月5日August 5 30 0.98 1.77 2.46 8月17日August 17 25 0.98 1.78 2.47 9月1日September 1 24 1.00 1.78 2.45 9月19日September 19 23 1.01 1.79 2.45 10月12日October 12 22 1.02 1.81 2.47
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Fan HUANG, Zhenan ZHU, Hui CAO, Wenxin YU, Xiaoyuan MENG. Reliability analysis of helium pressure non-destructive testing method of the fuel rod[J]. NUCLEAR TECHNIQUES, 2023, 46(7): 070607
Paper Information
Category: Research Articles
Received: Feb. 9, 2023
Accepted: --
Published Online: Aug. 3, 2023
The Author Email: HUANG Fan (879967686@qq.com)
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