NUCLEAR TECHNIQUES, Volume. 47, Issue 6, 060605(2024)
Efficient global sensitivity analysis method for passive systems under ocean conditions
Figures & Tables(11)
Fig. 3. Borehole model sensitivity analysis results (color online)
Fig. 4. Sensitivity analysis results for a high-dimensional numerical example (color online)
Fig. 7. PRHRS transient calculation results(a) Coolant temperature at the core outlet, (b) Primary side pressure, (c) PRHRS flow rate
Table 1. Input parameters for the borehole model
View tableView in ArticleTable 1. Input parameters for the borehole model
符号
Symbol
参数
Parameters
分布
Distribution
范围
Range
rw 钻孔半径Radius of the borehole / m N 0.05⁓0.15 r 影响半径Radius of influence / m LN 100⁓50 000 Tu 上含水层透水率Transmissivity of upper aquifer / m2·y-1 U 63 070⁓115 600 Hu 上含水层水Potentiometric head of upper aquifer / m U 990⁓1 110 Tl 下含水层透水Transmissivity of lower aquifer / m2·y-1 U 63.1⁓116 Hl 下含水层水Potentiometric head of lower aquifer / m U 700⁓820 L 钻孔长度Length of borehole / m U 1 120⁓1 680 Kw 钻孔导水Hydraulic conductivity of borehole / m·y-1 U 9 855⁓12 045
Table 2. Main design parameters for IPWR200
View tableView in ArticleTable 2. Main design parameters for IPWR200
参数
Parameters
设计值
Designed values
计算值
Calculated values
初始堆芯功率Initial core power / MW 220.0 219.90 燃料类型Fuel type 板状 Plate type — 燃料组件数量Number of fuel assemblies 109 — 稳压器压力Pressurizer pressure / MPa 15.5 15.5 主泵数量Main pump number 4 — 主冷却剂流量Primary coolant flow rates / kg·s-1 1 200.0 1 204.3 蒸汽发生器数量OTSG number 12 — 主给水压力Main feedwater pressure / MPa 4.5 4.5 主蒸汽压力Main steam pressure / MPa 3.0 3.0 蒸汽过热度（满功率）Superheat of steam (100%FP) / K 40.0 39.8
Table 3. Input parameters for PRHRS
View tableView in ArticleTable 3. Input parameters for PRHRS
符号
Symbol
参数
Parameters
分布
Distribution
范围
Range
X1 初始功率Initial power / MW N 215.1⁓225.5 X2 海水温度Seawater temperature / K N 280.0⁓303.0 X3 一回路压力Primary pressure / MPa N 14.8⁓16.3 X4 二回路压力Steam pressure / MPa N 2.8⁓3.2 X5 裂变产物产额因子Fission product yield factor U 1.0⁓1.2 X6 PRHRS换热面积PRHRS heat transfer area / m2 N 17.0⁓25.4 X7 PRHRS换热器管壁厚PRHRS heat exchanger tube wall thickness / mm U 1.0⁓2.0 X8 PRHRS换热器流动面积PRHRS heat exchanger flow area / m2 N 0.543⁓0.814 X9 PRHRS进口阀能损系数Energy loss coefficient of PRHRS inlet valve U 0⁓10.0 X10 蒸汽发生器能损系数Energy loss coefficient of steam generator U 0⁓1.2 X11 PRHRS隔离阀开启延迟PRHRS isolation valve opening delay time / s U 0⁓300.0 X12 壁面摩擦阻力系数因子Wall friction resistance coefficient factor N 0.9⁓1.1 X13 冷凝换热系数因子Condensing heat transfer coefficient factor N 0.8⁓1.2 X14 沸腾换热系数因子Boiling heat transfer coefficient factor N 0.8⁓1.2 X15 单相流动换热系数因子Single-phase flow heat transfer coefficient factor N 0.85⁓1.15 X16 运动周期Rolling period / s N 0⁓30.0 X17 摇摆振幅Rolling amplitude / (º) N 0⁓25.0 X18 起伏周期Heaving period / s N 0⁓30.0 X19 起伏振幅Heaving amplitude / m·s-2 N 0⁓3.0 X20 倾斜角度Inclining angle / (º) N -30.0⁓30.0
Tools
Get Citation
Copy Citation Text
Shiqi ZHANG, Minjun PENG, Genglei XIA, Chenyang WANG, He SHANG. Efficient global sensitivity analysis method for passive systems under ocean conditions[J]. NUCLEAR TECHNIQUES, 2024, 47(6): 060605
Paper Information
Category: Research Articles
Received: Jul. 7, 2023
Accepted: --
Published Online: Jul. 8, 2024
The Author Email: WANG Chenyang (王晨阳)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20