Loss of containment: Experimental validation of initially subcooled two phase critical flow modelsReport as inadecuate




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* Corresponding author 1 SPIN-ENSMSE - Centre Sciences des Processus Industriels et Naturels 2 GENERIC-ENSMSE - Département Géochimie, environnement, écoulement, réacteurs industriels et cristallisation

Abstract : A new setup allows us to experiment initially subcooled two-phase critical flows with five different fluids: water, R11, methanol ethyl acetate and butane. We verify that good estimates of the mass flow rate can be derived from the extended HEM for all of the fluids in high subcooling conditions within ± 20% accuracy. In low subcooling conditions, a satisfactory agreement ± 30% accuracy with the DEM or HEM predictions is found. This means that the main phenomena involved seem to be correctly taken into account.

Keywords : Loss of containment events pressurized liquid two-phase mass flow Mood model Fauske model refrigerants GAZLIQ Program





Author: Pascal Alix - Laurence May - Jean-Pierre Bigot -

Source: https://hal.archives-ouvertes.fr/



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