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2013 (Vol. 6, Issue: 12)
Article Information:

Analysis of Early Severe Accident Initiated by LBLOCA for Qinshan Phase II Nuclear Power Project

Shi Xing-Wei and Cao Xin-Rong
Corresponding Author:  Shi Xing-Wei 

Key words:  Cladding oxidation, core degradation, effective stress, LBLOCA, RELAP5, severe accident,
Vol. 6 , (12): 2243-2250
Submitted Accepted Published
December 15, 2012 January 19, 2013 July 30, 2013

The purpose of this study is to simulate an early Severe Accident (SA) scenario more detail through transferring the thermal-hydraulic status of the plant predicted by RELAP5 computer code to SA Program (SAP). Based on the criterion of date extract time, the RELAP5 thermal-hydraulic calculation data is extracted to form a file for SAP input card at 1477K of cladding surface. Relying on the thermal-hydraulic boundary parameters calculated by RELAP5 code, analysis of early SA initiated by the Large Break Loss-of-Coolant Accident (LBLOCA) without mitigation measures for Qinshan Phase II Nuclear Power Plant (QSP-II) performed by SAP through finding the key events of accident sequence, estimating the amount of hydrogen generation and oxidation behavior of the cladding and evaluating the relocation order of the materials collapsed in the central region of the core. The results of this study are expected to improve the SA analysis methodology more detail through analyzing early SA scenario.
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  Cite this Reference:
Shi Xing-Wei and Cao Xin-Rong, 2013. Analysis of Early Severe Accident Initiated by LBLOCA for Qinshan Phase II Nuclear Power Project.  Research Journal of Applied Sciences, Engineering and Technology, 6(12): 2243-2250.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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