Abstract
The production and resuspension of dust is a critical safety issue in several industrial fields. Thousands of dust explosions occur every year in Europe inside industrial plants, some of those accidents caused the death of about ten people and hundreds of injuries. Dust resuspension may also involve safety issues and hazards in nuclear power plants, especially in magnetic confinement fusion reactors, the TOKAMAKs, and in high-temperature gas-cooled reactors. Therefore, it is a necessity to understand how dust resuspension occurs and to develop numerical models to reproduce these events. An experimental facility has been built in the laboratory of the University of Rome “Tor Vergata” to study the resuspension of dust, STARDUST-Upgrade. This work shows a new experimental apparatus developed to measure two properties of dust resuspension: the concentration field and the mass resuspension rate. These measurements are achieved through a light absorption-based method, exploiting the Beer-Lambert law. The measurements are performed under six different conditions. The results are analysed and discussed, in order to understand the advantages and the limits of this technique.
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