Experimental analysis on passive residual heat removal in molten salt reactor using single cooling thimble test system

Kailun Chen, Changqi Yan, Zhaoming Meng, Xiangcheng Wu, Shaochuang Song, Zonghao Yang and Jie Yu

Energy, 2016, vol. 112, issue C, 1049-1059

Abstract: An experimental setup has been designed and fabricated for the analysis of the passive residual heat removal system as applied to molten salt reactor. The main characteristic of this test facility is the presence of two natural circulation loops and a cooling thimble with double-wall barrier. The objective is to investigate the thermal performance of the drain tank cooling system, as well as further understand the heat transfer process. It is observed that the passive cooling system with single cooling thimble is capable of removing 2175 W at the desired temperature of 699 °C. Due to the large temperature difference, radiation heat transfer plays a significant role between the thimble and the bayonet tube. The contributions of several constituent thermal resistances in the heat flow path, together with the overall thermal resistance, have been obtained at various boundary conditions. It is also found that the operating mode is quite unstable with periodical oscillations at relative low temperature. From this study, valuable reference data and useful information are provided for practical applications.

Keywords: Passive; Residual heat removal; Molten salt reactor; Capacity; Thermal resistance (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:112:y:2016:i:c:p:1049-1059

DOI: 10.1016/j.energy.2016.07.004

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