Abstract
The temperature field distribution at the liquid-air interface in drops of water and water solutions drying on a glass substrate is studied with thermal imaging means. It is shown that irrespective of the liquid composition, the circumferential temperature of the drops (along the boundary line) is always higher than the temperature on the top. The temperature field on the surface of the drops is nonstationary and varies chaot� ically during water evaporation. It is found that the dynamics of histograms for albumincontaining and albu� minfree liquids differ. Mechanisms behind the originatio n of thermocapillary liquid flows and their directiv� ity in the drying drops are discussed. DOI: 10.1134/S1063784212070262
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