Heterogeneous condensation of submicron particles in a growth tube

Marco Tammaro, Francesco Di Natale, Antonio Salluzzo, Amedeo Lancia

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This paper reports a study on the enlargement of particles, produced by a model ethylene/air flame, by heterogeneous condensation of water vapour. This was carried out in an instrumented lab-scale facility based on the use of a growth tube. Tests were performed by varying the temperature of the condensing vapour and the gas residence time in the growth tube. Particle enlargement was favoured by increasing the vapour temperature and the residence time. Experiments can be proficiently described using consolidated models for heterogeneous condensation, provided that the contact angle between the liquid embryo of condensing vapour and the particle surface is considered as an adjustable parameter, variable with temperature. © 2012 Elsevier Ltd.
Original languageEnglish
Pages (from-to)124 - 134
Number of pages11
JournalChemical Engineering Science
Publication statusPublished - 28 May 2012
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

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