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- Title
Influence of a Surfactant on Evaporation Intensity of Suspended Water Droplets.
- Authors
Terekhov, V. I.; Shishkin, N. E.
- Abstract
Experimental data have been presented on the evaporation rate of suspended droplets of both pure water and water containing ≈1.5 wt % surfactant, sodium dodecyl sulfate. Evaporation occurs in a convective flow of dry air, with its velocity and temperature being varied within ranges of U0 = 1–5 m/s and T0 = 20–80°C, respectively. The density of the mass flux from the surface of the surfactant-containing droplets is 2–3 times lower than that in the case of pure water. For droplets in a dry air flow, the change in their diameter can be described by a set of similarity criteria, and a generalized linear empirical dependence of the evaporation rate on thermodynamic parameters may be constructed for these droplets.
- Publication
Colloid Journal, 2021, Vol 83, Issue 1, p135
- ISSN
1061-933X
- Publication type
Article
- DOI
10.1134/S1061933X20060186