Jérôme Yon

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Quasi elastic laser light scattering (QELS) was used to describe the size and the homogeneity of a membrane preparation: vesicles from skeletal sarcoplasmic reticulum. The data were compared with results obtained by electron-microscopy. The advantages of each method are discussed. By electron-microscopy the average value for the diameter of the vesicles(More)
Experimental results are reported on the resuspension of particles deposited on polymer samples representative of glove boxes used in the nuclear industry, under thermal degradation. A parametric study was carried out on the effects of heat flux, air flow rate, fuel type and particle size distribution. Small-scale experiments were conducted on 10 cm × 10 cm(More)
The soot size distribution is often determined by using ex-situ granulometers, after sampling of the particles. But the quenching of aggregation process during the sampling is difficult to control and raises the question of representativeness of the results (Ouf et al. 2010 [1]). For this reason, optical measurements are more suitable. Thanks to the(More)
Experimental soot concentration data in flames are useful for the validation of soot production and radiation models. Among the experimental methods available in order to determine soot volume fractions in fluid flows, Laser Induced Incandescence (LII) is a powerful method allowing to determine local soot volume fractions. Now, this technic is mature enough(More)
For industrial concerns, and more especially for nuclear applications, the characterization of soot is essential for predicting the behaviour of containment barriers in fire conditions. This study deals with the characterization (emission factor, composition, size, morphology, microstructure) of particles produced during thermal degradation of materials(More)
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