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Non-invasive assessment of dust concentration and relative dustiness in a dust cloud mobilized by a controlled air inlet inside STARDUST-U facility

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  • Poggi, L.A.
  • Gaudio, P.
  • Rossi, R.
  • Ciparisse, J.F.
  • Malizia, A.

Abstract

In the framework of the on-going research on dust explosion, both a physical and chemical theory and numerical models extensively validated are yet to be found. In order to develop control tools essential to continuously measure a set of key parameters for dust explosiveness, the authors performed stainless steel dust mobilization experiments inside STARDUST-U facility using a controlled air inlet whose features are comparable to the ones typical of several industrial scenarios. Dust particles velocity and concentration within the cloud were measured with non-invasive diagnostics involving imaging techniques and a custom software. The STARDUST-U facility showed capability to provide useful data for validation of numerical models. Furthermore, a custom software allowed to determine the relative dustiness, defined as a non-dimensional parameter proportional to dust concentration and not dependent on dust mass and vessel volume. This study is a first step towards a complete integration of the air inlet modeling and dust tracking software, in order to determine dustiness inside the cloud. The authors believe that the imaging techniques presented could represent a valuable tool for industry in order to perform continuous monitoring of vessels with the aim of controlling and mitigating dust explosion risks.

Suggested Citation

  • Poggi, L.A. & Gaudio, P. & Rossi, R. & Ciparisse, J.F. & Malizia, A., 2017. "Non-invasive assessment of dust concentration and relative dustiness in a dust cloud mobilized by a controlled air inlet inside STARDUST-U facility," Reliability Engineering and System Safety, Elsevier, vol. 167(C), pages 527-535.
    • Handle: RePEc:eee:reensy:v:167:y:2017:i:c:p:527-535
    DOI: 10.1016/j.ress.2017.07.001
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    References listed on IDEAS

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    1. Andrea Malizia & Luigi Antonio Poggi & Jean-François Ciparisse & Riccardo Rossi & Carlo Bellecci & Pasquale Gaudio, 2016. "A Review of Dangerous Dust in Fusion Reactors: from Its Creation to Its Resuspension in Case of LOCA and LOVA," Energies, MDPI, vol. 9(8), pages 1-34, July.
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