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Enhancing Nuclear Safety



History of aerosol science at Institute of Nuclear Protection and Safety and University of Paris

D. Boulaud, A. Renoux, Second symposium : History of Aerosol Science, Portland (USA), 13 et 14/10/2001.

Document type > *Congrès/colloque

Keywords > history

Research Unit > IRSN/DSU/SERAC

Authors > [et al.], BOULAUD Denis

Publication Date > 13/10/2001


After the retirement of Professor Jean Bricard in 1977 (A. Renoux; 2000), the collaboration between the Institute of Nuclear Protection and Safety and the University of Paris has been pursued with Professor André Renoux who came in 1980 from University of Brest to University Paris XII. This collaboration, which presents two aspects, research and teaching, is still active and has produced, during more than twenty years, numerous works in different fields of Aerosol Science. We will describe the main aspects of this collaboration and the extension with others French teams (Universities of Brest and Rouen, National Institute of Research in Security). The aim of this co-operation is to conduct common studies on subjects concerning aerosol physics as the majority of radioactive contamination transfers in the nuclear industry is under aerosol phase. To understand mechanisms involved in these transfers, our research programme has included and still include three main axis: -basic research on the knowledge of mechanisms playing a role in aerosol production, transfer and interaction with different barriers (walls, sprays, filters,…), -basic and applied researchs on measurement of radioactive and non-radioactive aerosols, applied research on "nuclear aerosol" produced during severe accidents in reactors and plants. More precisely the main works carried out during more than 20 years, in the framework of this "school of Paris" have concerned the study of: -aerosol production in polluted atmosphere, agglomeration mechanisms under differential sedimentation or acoustic waves, two fluid modelling of aerosol transport in laminar and turbulent flows, deposition in pipes, filtration mechanisms under stationary and unstationary conditions, electrical charge of radioactive and non-radioactive aerosols, behavior of radon decay products in confined spaces, resuspension of particles and powders under air flows; -measurement technics like continuous flow CNC, radial flow DMA, diffusion batteries (granular bed and annular) and test benchs to calibrate different measurement devices; -aerosol behavior in PWR and fast breeder reactor during severe accident, aerosol resuspension during fire, interaction between fission product aerosols and spray systems in PWR reactor containment. All these works represent more than 50 PhD thesis. Reference: Renoux A. (2000) Jean Bricard, pioneer of the French aerosol research, his life and work in History of Aerosol Science edited by O. Preining and E.J. Davis, Verlag, Wien, pp 221-231
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