scholarly journals Demonstration of MELCOR and MACCS Capabilities for Molten Salt Reactor Decay Heat Removal During both Normal Operations and Salt Spill Scenarios.

2021 ◽  
Author(s):  
Mariah Smith ◽  
Jennifer Leute ◽  
Kenneth Wagner ◽  
Kyle Clavier
2014 ◽  
Vol 953-954 ◽  
pp. 621-626
Author(s):  
Hang Bin Zhao ◽  
Chang Qi Yan ◽  
Li Cheng Sun ◽  
Kai Bin Zhao

In order to improve the inherent safety of the Molten Salt Reactor (MSR), a concept of passive residual heat removal system (PRHRS) for the 10MW Molten Salt Reactor Experiment (MSRE) was put forward. Its transient characteristics were investigated by developing a model of it using C++ code. The effects of environmental temperature, finned tube number and chimney height on the PRHRS were analyzed. The results show that the PRHRS can remove the decay heat timely. Three natural circulations are established in the PRHRS when it begins to operate. With the decay heat power reducing, the PRHRS can automatically adjust its heat removal ability. It needs not any external power for the PRHRS to operate, which enhances the inherent safety and reliability of the reactor, especially under the condition that power plants lose power.


Energy ◽  
2016 ◽  
Vol 112 ◽  
pp. 1049-1059 ◽  
Author(s):  
Kailun Chen ◽  
Changqi Yan ◽  
Zhaoming Meng ◽  
Xiangcheng Wu ◽  
Shaochuang Song ◽  
...  

Author(s):  
Chenglong Wang ◽  
Suizheng Qiu ◽  
Wenxi Tian ◽  
Yingwei Wu ◽  
Guanghui Su

High temperature heat pipes are effective devices for heat transfer, which are characterized by remarkable advantages in conductivity, isothermality and passivity. It is of significance to apply heat pipes on new concept passive residual heat removal system (PRHRS) of molten salt reactor (MSR). In this paper, the transient performance of high temperature sodium heat pipe is simulated with numerical method in the case of MSR accident. The model of the heat pipe is composed of three conjugate heat transfers, i.e. the vapor space, wick structure and wall. Based on finite element method, the governing equations and boundary conditions are solved by using FORTRAN code to acquire the profiles of the temperature, velocity and pressure for the heat pipe transient operation. The results indicated that high temperature sodium heat pipe had a good operating characteristic and removed the residual heat of fuel salt rapidly under the accident of MSR.


2016 ◽  
Vol 102 ◽  
pp. 1337-1344 ◽  
Author(s):  
Xiangcheng Wu ◽  
Changqi Yan ◽  
Zhaoming Meng ◽  
Kailun Chen ◽  
Shaochuang Song ◽  
...  

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