NUCLEAR TECHNIQUES, Volume. 47, Issue 9, 090605(2024)
Numerical study of coupled heat transfer between primary and secondary sides of helical coiled tube steam generator for liquid metal fast reactor
Figures & Tables(16)
Fig. 1. Simplified structural diagram of helical coiled tube steam generator
Fig. 3. The comparison between the experimental data and the numerical calculation results of this study
Fig. 4. The comparison between the experimental data and the calculation results using the model of this study
Fig. 6. Contours of vapor volume fraction on section of helical coiled tube under different primary side inlet types(a) Primary side mass is lead-bismuth gas content distribution, (b) Primary side mass is water gas content distribution
Fig. 8. Calculation results of along distribution of secondary side fluid vapor volume fraction under different primary side inlet types
Fig. 9. Calculation results of heat transfer coefficients of inner and outer wall surfaces of helical coiled tube under different primary side inlet types
Fig. 10. Calculation results of heat flux distribution along the inner wall of helical coiled tube under different primary side inlet types
Fig. 11. Temperature distribution of wall in helical coiled tube under different primary side inlet types
Fig. 12. Calculation results of the heat transfer coefficients distribution along the inner wall of helical coiled tube under different inlet lead-bismuth temperatures
Fig. 13. Calculation results of the heat flux distribution along the inner wall of helical coiled tube under different inlet lead- bismuth temperatures
Table 1. Thermodynamic properties of LBE
View tableView in ArticleTable 1. Thermodynamic properties of LBE
铅铋物性 Lead-bismuth properties 经验关联式 Correlation 熔化温度 Melting temperature / K Tlb=398 密度 Density / kg∙m-3 ρlb=11 065-1.293∙T 比热容 Isobaric specific heat / J∙kg-1∙K-1 Cplb=118.2-5.934×10-3∙T+7.183×106∙T-2 导热系数 Thermal conductivity / W∙m-1∙K-1 λlb=3.284+1.617×10-2∙T-2.305×10-6∙T2 动力粘度 Dynamic viscosity / Pa∙s ηlb=4.94×10-4∙exp(754.1/T)
Table 2. The experimental conditions of the verification example
View tableView in ArticleTable 2. The experimental conditions of the verification example
实验参数
Experimental parameters
数值 Value 螺旋管内径
Heliacal coiled tube internal diameter / mm
12.49 螺旋管外径Heliacal coiled tube external diameter / mm 17.23 螺旋直径 Coil diameter / m 1.0 螺旋截距 Coil pitch / m 0.79 螺旋管管长 Heliacal coiled tube length / m 23 螺旋管圈数 Number of coil turns 10 入口流量 Inlet mass flux / kg∙m-2∙s-1 206 壁面热流密度 Heat flux / kW∙m-2 51
Table 3. Operation conditions of helical coiled tube steam generator studied in the examples of this section
View tableView in ArticleTable 3. Operation conditions of helical coiled tube steam generator studied in the examples of this section
参数 Parameters 一次侧-铅铋 Primary side lead-bismuth[ 13 ]一次侧-水 Primary side water[ 21 ]一次侧入口压力 Primary side inlet pressure / MPa 1 15.5 一次侧进口温度 Primary side inlet temperature / ℃ 450 328.4 一次侧进口速度 Primary side inlet velocity / m∙s-1 0.5 0.47 二次侧入口压力 Secondary side inlet pressure / MPa 5 5 二次侧进口温度 Secondary side inlet temperature / ℃ 150 150 二次侧进口速度Secondary side inlet velocity / m∙s-1 0.5 0.5
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Jialun LIU, Liang NING, Jinpeng LIN, Jie XIN, Min LI, Huixiong LI. Numerical study of coupled heat transfer between primary and secondary sides of helical coiled tube steam generator for liquid metal fast reactor[J]. NUCLEAR TECHNIQUES, 2024, 47(9): 090605
Paper Information
Category: NUCLEAR ENERGY SCIENCE AND ENGINEERING
Received: Jan. 18, 2024
Accepted: --
Published Online: Nov. 13, 2024
The Author Email: LIU Jialun (ljl.619@163.com)
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