Structural Engineering and Mechanics

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A new design concept for ocean nuclear power plants using tension leg platform

  • Lee, Chaemin (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology) ;
  • Kim, Jaemin (Department of Mechanical and Aerospace Engineering, Field of Theoretical and Applied Mechanics, Cornell University) ;
  • Cho, Seongpil (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology)
  • Received : 2020.05.28
  • Accepted : 2020.07.14
  • Published : 2020.11.10
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Abstract

This paper presents a new design concept for ocean nuclear power plants (ONPPs) using a tension leg platform (TLP). The system-integrated modular advanced reactor, which is one of the successful small modular reactors, is mounted for demonstration. The authors define the design requirements and parameters, modularize and rearrange the nuclear and other facilities, and propose a new total general arrangement. The most fundamental level of design results for the platform and tendon system are provided, and the construction procedure and safety features are discussed. The integrated passive safety system developed for the gravity based structure-type ONPP is also available in the TLP-type ONPP with minor modifications. The safety system fully utilizes the benefits of the ocean environment, and enhances the safety features of the proposed concept. For the verification of the design concept, hydrodynamic analyses are performed using the commercial software ANSYS AQWA with the Pierson-Moskowitz and JONSWAP wave spectra that represent various ocean environments and the results are discussed.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2014R1A1A1A05007219). This work was also supported by "Human Resources Program in Energy Technology" of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), and granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea (No. 20184030202000). We would like to express our gratitude toward Prof. Phill-Seung Lee for his supervision, inspiration, support, and valuable discussions with his instructive comments.

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