Post-Test Analysis of PKL III Test H2.2 Run 2 (SBO) with TRACE (NUREG/IA-0545)

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Publication Information

Manuscript Completed: November 2022
Date Published: March 2024

Prepared by:
D.Blanco, C. Berna, L. Álvarez, J. L. Muñoz-Cobo, A. Escrivá
Escrivá Instituto de Ingeniería Energética 
Universitat Politècnica de València 
Camino de Vera 14, 46022 València 
Spain

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

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Abstract

This document presents and explains the main results obtained in the simulations performed with the TRACE consolidated thermal-hydraulic code in relation to the PKL III H2.2 Run 2 test. The H2.2 Run 2 test deals with a Station Blackout (SBO) in which three main phases take place. The first one in which the secondary circuit is depressurized, the second one in which the primary side is depressurized and the third one in which the emergency feedwater system (EFWS) is activated. The main goal is to analyze the capability of the TRACE V5.0 p4 code to accurately simulate the events and phenomena encountered throughout the studied transient. The activation of the different systems and the values of the main parameters will be used to assess the capabilities of the PKL model developed with the TRACE code.