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A STUDY OF DIFFUSIOPHORETIC PARTICLE DEPOSITION IN A STEAM GENERATOR TUBE IN PWR PRIMARY CIRCUIT USING THE SOPHAEROS CODE

DOI: 10.1615/ICHMT.1995.RadTransfProcHeatMassTransfSevNuclReactAcc.170

M. Missirlian
Institut de Protection et de Sureté Nucléaire (IPSN) - Cadarache, France

G. Lajtha
Institut for Electric Power Research Co. Budapest, Hungary

M. Cranga
Institut de Protection et de Sureté Nucléaire (IPSN) - Cadarache, France

Resumo

First a brief description is given of recent progress in connection with the diffusiophoretic mechanism modelling in the PWR primary circuit fission products transport code SOPHAEROS V1.1. This is followed by some calculations for a steam generator tube of Pressurised Water Reactor geometry showing that steam condensation increases the retention of fission products aerosols under the influence of the diffusiophoretic mechanism, giving a clear indication of the importance of this phenomenon in accident sequences.

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