Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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Static and transient analyses of Advanced Power Reactor 1400 (APR1400) initial core using open-source nodal core simulator KOMODO

  • Alnaqbi, Jwaher (New York University Abu Dhabi) ;
  • Hartanto, Donny (Department of Mechanical and Nuclear Engineering, University of Sharjah) ;
  • Alnuaimi, Reem (Department of Mechanical and Nuclear Engineering, University of Sharjah) ;
  • Imron, Muhammad (Department of Nuclear Engineering, Ulsan National Institute of Science and Technology) ;
  • Gillette, Victor (Department of Mechanical and Nuclear Engineering, University of Sharjah)
  • Received : 2021.06.29
  • Accepted : 2021.08.06
  • Published : 2022.02.25
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Abstract

The United Arab Emirates is currently building and operating four units of the APR-1400 developed by a South Korean vendor, Korea Electric Power Corporation (KEPCO). This paper attempts to perform APR-1400 reactor core analysis by using the well-known two-step method. The two-step method was applied to the APR-1400 first cycle using the open-source nodal diffusion code, KOMODO. In this study, the group constants were generated using CASMO-4 fuel transport lattice code. The simulation was performed in Hot Zero Power (HZP) at steady-state and transient conditions. Some typical parameters necessary for the Nuclear Design Report (NDR) were evaluated in this paper, such as effective neutron multiplication factor, control rod worth, and critical boron concentration for steady-state analysis. Other parameters such as reactivity insertion, power, and fuel temperature changes during the Reactivity Insertion Accident (RIA) simulation were evaluated as well. The results from KOMODO were verified using PARCS and SIMULATE-3 nodal core simulators. It was found that KOMODO gives an excellent agreement.

Keywords

Acknowledgement

This research was supported by the Office of Vice Chancellor for Research & Graduate Studies, University of Sharjah, under grant no. 210204081171.

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