CATHARE Assessment of Natural Circulation in the PKL Test Facility during Asymmetric Cooldown Transients | Zendy

A Bousbia Salah | Zendy; Jacquès Vlassenbroeck | Zendy

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CATHARE Assessment of Natural Circulation in the PKL Test Facility during Asymmetric Cooldown Transients

Author(s) -

A Bousbia Salah,

Jacquès Vlassenbroeck

Publication year - 2011

Publication title -

science and technology of nuclear installations

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.417

H-Index - 24

eISSN - 1687-6083

pISSN - 1687-6075

DOI - 10.1155/2012/950389

Subject(s) - natural circulation , nuclear engineering , circulation (fluid dynamics) , engineering , environmental science , mechanics , structural engineering , physics

Results of the CATHARE code calculations related to asymmetric cooldown tests in the PKL facility are presented. The test under consideration is the G2.1 experiment performed within the OECD/NEA PKL-2 project. It consists of carrying out a cooldown under natural circulation conditions in presence of two (out of four) emptied Steam Generators (SGs) and isolated on their secondary sides. The main goal of the current study is to assess the impact of a chosen cooldown strategy upon the occurrence of a Natural Circulation Interruption (NCI) in the inactive (i.e., noncooling) loops. For this purpose, three G2.1 test runs were investigated. The calculation results emphasize, mainly, the effect of the cooldown strategy, and the conditions that could lead to the occurrence of the NCI phenomenon

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