中国加速器驱动嬗变研究装置堆芯流量分配设计与优化

doi:10.11889/j.0253-3219.2020.hjs.43.070601

Nuclear Techniques ›› 2020, Vol. 43 ›› Issue (7): 70601-070601.doi: 10.11889/j.0253-3219.2020.hjs.43.070601

• NUCLEAR ENERGY SCIENCE AND ENGINEERING • Previous Articles Next Articles

Analysis and optimization of flow distribution for the reactor core of China initiative accelerator driven system

Jun WEN^1,²,Tianji PENG^1,²,Xukai FAN¹,Dajun FAN^1,²,Wangsheng TIAN^1,²,Dawei WANG^1,^2,³,Long GU^1,^2,³()

^1.Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
^2.School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
^3.School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China

Received:2020-03-09 Revised:2020-05-07 Online:2020-07-15 Published:2020-07-16
Contact: Long GU E-mail:gulong@impcas.ac.cn
About author:WEN Jun, male, born in 1995, graduated from Nanjing Tech University in 2016, master student, focusing on thermal hydraulics of LFR
Supported by:
National Natural Science Foundation of China(11705255);Chinese Academy of Sciences “Light of West China” Program

组件编号Fuel number

Q_i / W?m^-3

ψ i

组件1 Fuel 1

14 570 579.66

1.03

组件2 Fuel 2

16 833 970.67

1.19

组件3 Fuel 3

16 692 508.73

1.18

组件4 Fuel 4

14 570 579.66

1.03

组件5 Fuel 5

16 833 970.67

1.19

组件6 Fuel 6

11 387 686.04

0.805

组件7 Fuel 7

11 387 686.04

0.805

组件8 Fuel 8

11 387 686.04

0.805

项目Events	参数Value
介质Medium	液态铅铋Lead-bismuth eutectic
温度Temperature / K	603
密度Density / kg?m^-3	10 305.58
粘度Viscosity / Pa?s	1.73×10^-3

边界条件Boundary condition	参数Value
湍流模型Turbulent model	标准k-ε Standard k-ε
壁面函数Wall function	标准壁面条件Standard wall function
入口边界Inlet boundary	质量流量入口Mass flow inlet
入口水力直径Inlet hydraulic diameter / mm	122.96
湍流强度Turbulence intensity / %	5
出口压力Pressure outlet / Pa	0
出口口水力直径Outlet hydraulic diameter / mm	5.45
固体壁面条件Solid wall condition	无滑移壁面条件No slip wall condition
虚拟套管壁面条件Virtual sleeve wall condition	滑移壁面条件Slip wall condition

面积序号Area number	面积Area / m²
面积1 Area 1	5.93×10^-4
面积2 Area 2	1.47×10^-3
面积3 Area 3	2.13×10^-3
面积4 Area 4	2.77×10^-3
面积5 Area 5	3.63×10^-3

边界条件Boundary condition	参数Value
湍流模型Turbulent model	标准k-ε Standard k-ε
壁面函数Wall function	加强型壁面函数 Enhanced wall function
入口边界Inlet boundary	质量流量入口 Mass flow inlet
入口水力直径 Inlet hydraulic diameter / mm	5.45
湍流强度Turbulence intensity / %	5
出口压力Pressure outlet / Pa	0
出口口水力直径 Outlet hydraulic diameter / mm	5.45
固体壁面条件 Solid wall condition	无滑移壁面条件 No slip wall condition

边界条件Boundary condition	参数Value
湍流模型Turbulent model	标准k-ε Standard k-ε
壁面函数 Wall function	可缩比例壁面函数 Scalable wall function
入口边界 Inlet boundary	泵给动力源项Setting power source term in Pump
湍流强度 Turbulence intensity / %	5
温度Temperature / K	603

Analysis and optimization of flow distribution for the reactor core of China initiative accelerator driven system

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组件编号 Fuel number	m_i / kg?m^-3	θ_i	面积 Area / m²
组件1 Fuel 1	8.92	1.03	0.001 700 47
组件2 Fuel 2	20.42	1.18	0.000 724 93
组件3 Fuel 3	20.09	1.17	0.000 911 757
组件4 Fuel 4	17.87	1.03	0.001 700 47
组件5 Fuel 5	20.45	1.18	0.000 724 93
组件6 Fuel 6	13.91	0.803	0.003 323 18
组件7 Fuel 7	13.94	0.803	0.003 323 18
组件8 Fuel 8	13.96	0.806	0.003 323 18
总计Total	129.56

组件编号 Fuel number	优化流量分配前 Before flow distribution optimization			优化流量分配后 After flow distribution optimization
组件编号 Fuel number	T_inlet / K	T_outlet / K	ΔT	T_inlet / K	T_outlet / K	ΔT
组件1 Fuel 1	550.63	653.22	102.59	551.52	651.76	100.24
组件2 Fuel 2	551.11	668.55	117.44	551.88	651.74	99.86
组件3 Fuel 3	552.37	668.82	116.45	552.86	652.74	99.88
组件4 Fuel 4	553.39	657.34	103.95	553.59	653.34	99.75
组件5 Fuel 5	553.76	670.56	116.8	554.09	654.27	100.18
组件6 Fuel 6	550.95	633.19	82.24	551.86	653.72	101.86
组件7 Fuel 7	553.13	632.61	79.48	553.42	653.43	100.01
组件8 Fuel 8	552.99	634.03	81.04	553.38	653.63	100.25

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