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Kuosheng BWR Decommissioning SBO Analysis with RELAP5/MOD 3.3 (NUREG/IA-0555)

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Publication Information

Manuscript Completed: December 2024
Date Published: February 2025

Prepared by:
Kuei-Shu Chang-Liao, Jong-Rong Wang , Shun-Chi Wu, Shao-Wen Chen,Hsiung-Chih Chen,
and Tzu-Yao Yu*

National Tsing Hua University and Nuclear and New Energy Education and Research
Foundation 101 Section 2, Kuang Fu Rd.,
HsinChu, Taiwan

*Department of Nuclear Safety, Taiwan Power Company
242, Section 3, Roosevelt Rd., Zhongzheng District, Taipei, Taiwan

K. Tien, NRC Project Manager

Division of Systems Analysis
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

Prepared as part of
The Agreement on Research Participation and Technical Exchange
Under the Thermal-Hydraulic Code Applications and Maintenance Program (CAMP)

Published by:
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

Availability Notice

Abstract

The Taiwan Power Company and the Nuclear Safety Commission (formerly the Atomic Energy Commission) of our country have, since 2004, engaged in research projects under the Taiwan-U.S. Civil Nuclear Cooperation Agreement, signed with the U.S. Nuclear Regulatory Commission (U.S.NRC) through the representative office in the United States. The collaboration involves the Code Application and Maintenance Program (CAMP), focusing on the application and maintenance of thermal-hydraulic codes (RELAP5 and TRACE) for nuclear power plants. The technical research outcomes are published in the NUREG/IA series reports. The CAMP international collaboration initiative was initiated by the U.S. Nuclear Regulatory Commission to ensure the safe operation of nuclear power plants, promote international information exchange, cooperation, and experience feedback in the nuclear field. In addition to ongoing experiments and simulation program development related to safety, active efforts are made to seek international experiences and feedback. Therefore, it is essential for our country to continue participating in the CAMP cooperation agreement, contributing research analysis and assessment results through international collaborative projects, and publishing NUREG reports for information and experience exchange with international organizations. Aligned with the national energy policy, this project will be responsible for analyzing the decommissioning planning and operational safety of Taiwan Power Company's nuclear power plants. Over the four-year project period, analysis will be conducted using the SNAP/RELAP5 program. The current project aims to establish a model for the decommissioning transitional phase of Kuosheng Nuclear Power Plant using SNAP/RELAP5, supplemented by heat flow formula calculations and TRACE analysis for validation and comparison [1]. This effort will assist Taiwan Power Company in conducting assessments related to the decommissioning transitional phase of Kuosheng NPP and other associated tasks.

Page Last Reviewed/Updated Friday, February 14, 2025