Numerical Simulation of the Thermal Performance of a Dry Storage Cask for Spent Nuclear Fuel

Heui-Yung Chang, Rong-Horng Chen and Chi-Ming Lai
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Heui-Yung Chang: Department of Civil and Environmental Engineering, National Kaohsiung University, 700 Kaohsiung University Rd., Kaohsiung 811, Taiwan
Rong-Horng Chen: Department of Mechanical and Energy Engineering, National Chiayi University, 300 Syuefu Rd., Chiayi 600, Taiwan
Chi-Ming Lai: Department of Civil Engineering, National Cheng Kung University, 1 University Rd., Tainan 701, Taiwan

Energies, 2018, vol. 11, issue 1, 1-9

Abstract: In this study, the heat flow characteristics and thermal performance of a dry storage cask were investigated via thermal flow experiments and a computational fluid dynamics (CFD) simulation. The results indicate that there are many inner circulations in the flow channel of the cask (the channel width is 10 cm). These circulations affect the channel airflow efficiency, which in turn affects the heat dissipation of the dry storage cask. The daily operating temperatures at the top concrete lid and the upper locations of the concrete cask are higher than those permitted by the design specification. The installation of the salt particle collection device has a limited negative effect on the thermal dissipation performance of the dry storage cask.

Keywords: dry storage cask; spent nuclear fuel; salt particle collection; thermal performance; heat transfer (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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