Theoretical and experimental study on phase transitions and mass fluxes of supersaturated water vapor onto different insoluble flat surfaces

Antti Lauri, Ilona Riipinen, Jukka A. Ketoja, Hanna Vehkamäki, Markku Kulmala

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Abstract

The heterogeneous nucleation and condensation of water vapor onto three different surfaces (newsprint paper, Teflon, cellulose film) was studied theoretically and experimentally. The theoretical framework included the use of the classical theory of heterogeneous nucleation, diffusion theory corrected with transition regime correction factors, and the theory of heat transfer. Experiments were carried out using an environmental scanning electron microscope (ESEM). The experimental results for newsprint paper were investigated more closely. Our results show that the measured onset supersaturations were smaller than the modeled ones when the experimentally determined contact angle was used. Furthermore, the measured condensational growth rates were smaller than the modeled ones, presumably resulting from the approximations that had to be made in the calculations.

Original languageEnglish
Pages (from-to)10061-10065
Number of pages5
JournalLangmuir
Volume22
Issue number24
DOIs
Publication statusPublished - 21 Nov 2006
MoE publication typeA1 Journal article-refereed

Fingerprint

Newsprint
Steam
Water vapor
water vapor
flat surfaces
Nucleation
Mass transfer
Phase transitions
nucleation
Cellulose films
diffusion theory
Supersaturation
teflon (trademark)
Polytetrafluoroethylene
supersaturation
cellulose
Polytetrafluoroethylenes
Contact angle
Condensation
Electron microscopes

Cite this

Lauri, Antti ; Riipinen, Ilona ; Ketoja, Jukka A. ; Vehkamäki, Hanna ; Kulmala, Markku. / Theoretical and experimental study on phase transitions and mass fluxes of supersaturated water vapor onto different insoluble flat surfaces. In: Langmuir. 2006 ; Vol. 22, No. 24. pp. 10061-10065.
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Theoretical and experimental study on phase transitions and mass fluxes of supersaturated water vapor onto different insoluble flat surfaces. / Lauri, Antti; Riipinen, Ilona; Ketoja, Jukka A.; Vehkamäki, Hanna; Kulmala, Markku.

In: Langmuir, Vol. 22, No. 24, 21.11.2006, p. 10061-10065.

Research output: Contribution to journalArticleScientificpeer-review

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