Journal of Radiation Research and Radiation Processing, Volume. 43, Issue 4, 040602(2025)
Design of environmental radiation monitoring system for nuclear power plant based on application scenario analysis
Figures & Tables(8)
Fig. 1. Monthly averages over 30 a (1991-2020) on a certain island in the South China Sea: (a) temperature and relative humidity; (b) precipitation; (c) average wind speed; (d) wind direction
Fig. 2. Wind rose diagram of a certain island in the South China Sea based on three-hourly data from 1991 to 2020
Fig. 3. Numerical simulation of pollutant dispersion on a certain island in the South China Sea: (a)~(i) numerical simulation of atmospheric pollutant dispersion on a summer day; (j)~(r) numerical simulation of atmospheric pollutant dispersion on a winter day (color online)
Fig. 6. Monthly variation of normalized observed parameters and relative deviations (color online)
Table 1. Comparison of KRS-MES system
View tableView in ArticleTable 1. Comparison of KRS-MES system
目标需求
Target requirements
KRS系统
KRS System
MES系统
MES System
环境剂量率
Environmental dose rate
GM计数管-高压电离室
GM counter - high voltage ionization chamber
n/γ探测器或高压电离室
n/γ detector or high voltage ionization chamber
辐射覆盖报警
Radiation coverage alarm
报警电路
Alarm circuit
网络报警信号
Network alarm signal
气象站
Meteorological station
地面气象站
Ground meteorological station
机载气象仪器系统
Airborne meteorological instrument system
排放高度风
Emission height wind
80~100 m气象塔风向风速仪
Wind direction and speed meter on 80~100 m meteorological tower
激光测风雷达
Wind lidar
温度梯度
Temperature gradient
气象塔10~80/100 m温度梯度仪
Temperature gradient instrument on 10~80/100 m meteorological tower
激光测风雷达
Wind lidar
大气稳定
Atmospheric stability
温度梯度，风脉动，帕斯夸莱法
Temperature gradient, wind pulsation, pasquill method
激光雷达
Lidar
有线通信
Wired communication
拨打电话，光纤
Telephone, fiber optics
光纤
Fiber optics
无线通信
Wireless communication
数字无线电、GPRS、北斗
Digital radio, GPRS, beidou
现场工业无线网络
Industrial wireless network
数据采集
Data acquisition
双热备通信前沿
Dual hot-standby communication front-end
沟通管理工作站
Communication management workstation
主控信息和报警
Main control information and alarm
4~20 mA信号-KRSDCS
4~20 mA Signal-KRSDCS
网络数据和报警开关信号
Network data and alarm switch signal
Table 2. Main online data acquisition items and accuracy at the monitoring end stations
View tableView in ArticleTable 2. Main online data acquisition items and accuracy at the monitoring end stations
序号No. 项目
Item
测量范围
Measurement range
准确度
Accuracy
采样间隔
Sampling interval
统计
Statistics
1 环境辐射剂量率 / (nGy·h-1)
Environmental radiation dose rate
10~108 15% 10 s 均值、极值、方差
Mean, extreme, variance
2 温度 / ℃ Temperature 0~50 0.2 10 s 均值、极值 Mean, extreme 3 湿度 / % Humidity 10~100 5% 10 s 均值Mean 4 大气压力 / hPa
Atmospheric pressure
800~1 060 1 10 s 均值、极值
Mean, extreme
5 风向 / o
wind direction
0~359 5 5 s 均值、极值、方差
Mean, extreme, variance
6 风速 / (m·s-1) Wind speed 0~80 5% 3 s, 5 s 均值、极值 Mean, extreme 7 降水量 / mm
Precipitation
0~4 mm/min ±0.4 mm
（≤10 mm）
±4%（>10 mm）
连续
Continuous
均值、极值、累加
Mean, extreme, accumulation
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Chenyu SHAN, Kang CHANG, Tao XIONG, Junwen CHEN, Qingxin LEI, Ruoyu BAO, Yang LIU, Yuxin PEI, Feng LIU. Design of environmental radiation monitoring system for nuclear power plant based on application scenario analysis[J]. Journal of Radiation Research and Radiation Processing, 2025, 43(4): 040602
Paper Information
Category: RADIATION PROTECTION
Received: Dec. 11, 2024
Accepted: Mar. 10, 2025
Published Online: Sep. 26, 2025
The Author Email: Kang CHANG (常康)
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