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Feasibility study of a dedicated nuclear desalination system: Low-pressure Inherent heat sink Nuclear Desalination plant (LIND)

  • Kim, Ho Sik (Korea Advanced Institute of Science and Technology (KAIST), Department of Nuclear and Quantum Engineering) ;
  • NO, Hee Cheon (Korea Advanced Institute of Science and Technology (KAIST), Department of Nuclear and Quantum Engineering) ;
  • Jo, YuGwon (Korea Advanced Institute of Science and Technology (KAIST), Department of Nuclear and Quantum Engineering) ;
  • Wibisono, Andhika Feri (Korea Advanced Institute of Science and Technology (KAIST), Department of Nuclear and Quantum Engineering) ;
  • Park, Byung Ha (Korea Advanced Institute of Science and Technology (KAIST), Department of Nuclear and Quantum Engineering) ;
  • Choi, Jinyoung (Korea Advanced Institute of Science and Technology (KAIST), Department of Nuclear and Quantum Engineering) ;
  • Lee, Jeong Ik (Korea Advanced Institute of Science and Technology (KAIST), Department of Nuclear and Quantum Engineering) ;
  • Jeong, Yong Hoon (Korea Advanced Institute of Science and Technology (KAIST), Department of Nuclear and Quantum Engineering) ;
  • Cho, Nam Zin (Korea Advanced Institute of Science and Technology (KAIST), Department of Nuclear and Quantum Engineering)
  • Received : 2014.07.24
  • Accepted : 2014.12.10
  • Published : 2015.04.25

Abstract

In this paper, we suggest the conceptual design of a water-cooled reactor system for a low-pressure inherent heat sink nuclear desalination plant (LIND) that applies the safety-related design concepts of high temperature gas-cooled reactors to a water-cooled reactor for inherent and passive safety features. Through a scoping analysis, we found that the current LIND design satisfied several essential thermal-hydraulic and neutronic design requirements. In a thermal-hydraulic analysis using an analytical method based on the Wooton-Epstein correlation, we checked the possibility of safely removing decay heat through the steel containment even if all the active safety systems failed. In a neutronic analysis using the Monte Carlo N-particle transport code, we estimated a cycle length of approximately 6 years under 200 $MW_{th}$ and 4.5% enrichment. The very long cycle length and simple safety features minimize the burdens from the operation, maintenance, and spent-fuel management, with a positive impact on the economic feasibility. Finally, because a nuclear reactor should not be directly coupled to a desalination system to prevent the leakage of radioactive material into the desalinated water, three types of intermediate systems were studied: a steam producing system, a hot water system, and an organic Rankine cycle system.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)

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