NUCLEAR TECHNIQUES, Volume. 48, Issue 4, 040608(2025)
Development and verification of transient analysis code of helical coil steam generator of high-temperature gas-cooled reactor based on all-implicit algorithm
Figures & Tables(12)
Fig. 5. Variation of the primary side outlet temperature with the number of nodes
Fig. 7. The primary side (a) and secondary side (b) outlet temperatures change over time under transient conditions
Fig. 8. Variations of the secondary side (a) and primary side (b) outlet temperatures with time
Table 1. The area factor
View tableView in ArticleTable 1. The area factor
坐标系
coordinate system
空间变量
Spatial variables
A(x) 直角Cartesian x 1 圆柱Cylindrical r r 球Spherical r r2
Table 2. Design case parameters of HTR-PM
View tableView in ArticleTable 2. Design case parameters of HTR-PM
参数Parameter 设计值Design values 一次侧总流量The total flow rate on the primary side / kg·s-1 96 二次侧总流量The total flow rate on the secondary side / kg·s-1 96 一次侧进口温度Primary side inlet temperature / K 1 023.15 一次侧出口温度Primary side outlet temperature / K 523.15 二次侧进口温度Secondary side inlet temperature / K 478.35 二次侧出口温度Secondary side outlet temperature / K 844.15 一次侧出口压力Primary side outlet pressure / MPa 7 二次侧出口压力Secondary side outlet pressure / MPa 14.1
Table 3. The calculation results of the HTR-PM steam generator
View tableView in ArticleTable 3. The calculation results of the HTR-PM steam generator
流体
Fluid
出口温度Outlet temperature / K 入口压力Inlet pressure / MPa 功率Power / MW 设计值
Design
values
计算值
Calculated
value
误差
Error
/ %
设计值
Design
values
计算值
Calculated
value
误差
Error
/ %
设计值
Design
values
计算值
Calculated
value
误差
Error
/ %
氦气
Helium
523.15 520.62 0.48 7.07 7.074 0.06 251 250.68 0.13 水Water 844.15 836.3 0.94 15.3 15.33 0.2
Table 4. The temperature changes of HTR-PM steam generator under different transient conditions
View tableView in ArticleTable 4. The temperature changes of HTR-PM steam generator under different transient conditions
瞬态工况
Transient condition
一次侧出口温度变化
Changes of primary side
outlet temperature / K
二次侧出口温度变化
Changes of secondary
side outlet temperature / K
二次侧流量增加10%
Flow rate of the secondary side increased by 10%
-5.73 -77.24 一次侧流量降低10%
Flow rate of the primary side decreased by 10%
-8.73 -80.7 二次侧入口温度突然降低20 K
Inlet temperature of the secondary side decreased by 20 K
-13.27 -7.21 一次侧入口温度突然升高20 K
Inlet temperature of the primary side increased by 20 K
54.3 3.16
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Wei LIU, Shouyin HU, Liang XU, Tinghui TANG, Xuelin LI, Lang WANG, Pan WU, Jianqiang SHAN. Development and verification of transient analysis code of helical coil steam generator of high-temperature gas-cooled reactor based on all-implicit algorithm[J]. NUCLEAR TECHNIQUES, 2025, 48(4): 040608
Paper Information
Category: NUCLEAR ENERGY SCIENCE AND ENGINEERING
Received: Apr. 2, 2024
Accepted: --
Published Online: Jun. 3, 2025
The Author Email: Pan WU (吴攀)
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