Study of the micro-explosion temperature of water in oil emulsion droplets during the Leidenfrost effect (Contributo in atti di convegno)

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Label
  • Study of the micro-explosion temperature of water in oil emulsion droplets during the Leidenfrost effect (Contributo in atti di convegno) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • Mura E. 1, Massoli P. 2, Josset C. 3, Loubar K. 1, Bellettre J. 3 (2011)
    Study of the micro-explosion temperature of water in oil emulsion droplets during the Leidenfrost effect
    in 7th Mediterranean Combustion Symposium - MCS11, Chia Laguna (Cagliari)
    (literal)
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  • Mura E. 1, Massoli P. 2, Josset C. 3, Loubar K. 1, Bellettre J. 3 (literal)
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  • Proceedings of the 7th Mediterranean Combustion Symposium (MCS11) (literal)
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  • 10 (literal)
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  • To burn water in oil emulsions (W/O) is considered as an effective alternative to bring out waste oil because of a significant reduction in carbon monoxide, nitrogen oxides and particulates in the exhaust. These advantages have different origins, an important contribution is provided by the phenomenon of micro-explosion. In this work, the influence of the size of the dispersed water droplets (D32), for three iso-water emulsion, in the micro explosion phenomenon is studied by the hot plate technique. The temperature of the emulsion droplet and the visual evolution of the samples are evaluated using a synchronized thermocouple/CCD system. The results show that the size distribution of the dispersed water droplets plays an important role in the phenomenon of micro explosion. Moreover, some internal phenomenon as the separation process between water and oil seems to be discriminate. (literal)
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  • 1) GEPEA, UMR 6144 CNRS, Nantes, France; 2) Istituto Motori, CNR, Napoli, Italy; 3) LTN, UMR 6607 CNRS, Univ. Nantes, Nantes, France. (literal)
Titolo
  • Study of the micro-explosion temperature of water in oil emulsion droplets during the Leidenfrost effect (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-88-88104-12-6 (literal)
Abstract
  • To burn water in oil emulsions (W/O) is considered as an effective alternative to bring out waste oil because of a significant reduction in carbon monoxide, nitrogen oxides and particulates in the exhaust. These advantages have different origins, an important contribution is provided by the phenomenon of micro-explosion. In this work, the influence of the size of the dispersed water droplets (D32), for three iso-water emulsion, in the micro explosion phenomenon is studied by the hot plate technique. The temperature of the emulsion droplet and the visual evolution of the samples are evaluated using a synchronized thermocouple/CCD system. The results show that the size distribution of the dispersed water droplets plays an important role in the phenomenon of micro explosion. Moreover, some internal phenomenon as the separation process between water and oil seems to be discriminate. (literal)
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