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Interfacial Phenomena and Heat Transfer
ESCI SJR: 0.146

ISSN 印刷: 2169-2785
ISSN オンライン: 2167-857X

Open Access

Interfacial Phenomena and Heat Transfer

DOI: 10.1615/InterfacPhenomHeatTransfer.2018025442
pages 97-105

SURFACE TENSION OF ALKANES SATURATED WITH HELIUM OR HYDROGEN

Vladimir G. Baidakov
Institute of Thermal Physics of the Ural Branch of the Russian Academy of Sciences, 107a, Amundsen Street, Ekaterinburg, 620016, Russia
Aleksey M. Kaverin
Institute of Thermal Physics, Ural Branch of the Russian Academy of Sciences, Amundsen Street, 107a, Ekaterinburg, 620016, Russia
Ksenia A. Grishina
Institute of Thermal Physics, Ural Branch of the Russian Academy of Sciences, Amundsen Street, 107a, Ekaterinburg, 620016, Russia
Maria N. Khotienkova
Institute of Thermal Physics, Ural Branch of the Russian Academy of Sciences, Amundsen Street, 107a, Ekaterinburg, 620016, Russia

要約

The differential capillary method has been used to measure the capillary constant a2 and to determine the surface tension σ of alkanes (methane, ethane, propane) saturated with helium or hydrogen. Experiments have been made in temperature ranges from the triple-point temperature to temperatures close to the solvent critical point at pressures from that of saturated vapors of a pure liquid to 4MPa. Equations have been suggested which describe the temperature, baric, and concentration dependences of a2 and σ of solutions. The data obtained have been used to calculate the relative adsorption. The results of measurements are discussed in the framework of thermodynamic models of the theory of surface phenomena.


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