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Abstract

The paper presents an overview of the application of CATHARE V1.3 to LOBI Small Break LOCA tests, performed at "Dipartimento di Costruzioni Meccaniche e Nucleari" of Pisa University. In particular, the development of a new nodalisation of the LOBI facility is discussed, along with the analysis of tests A2-81 (1% CL break). A1-83 (10% CL break) and A1-84 (10% HL break). In the second part of the paper, uncertainties are outlined which are typical of the analysis of experiments in integral test facilities. Finally, on the basis of the application of RELAP5/MOD2 to the analysis of test A2-81, a judgement is given about the behaviour of the two codes, emphasising the related advantages and disadvantages.

Additional information

Authors: D'AURIA F UNIVERSITY OF PISA (IT) GALASSI G M THEMAS S.R.L., PISA (IT) , UNIVERSITY OF PISA (IT);THEMAS S.R.L., PISA (IT)
Bibliographic Reference: EUR 12404 EN (1989) 52 PP., FS, ECU 5 THE OFFICE FOR OFFICIAL PUBLICATIONS OF THE EUROPEAN COMMUNITIES, L-2985 LUXEMBOURG
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