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Structure of Liquids / Struktur Der Flüssigkeiten

Structure of Liquids / Struktur Der Flüssigkeiten

Paperback

Physics

ISBN10: 3642459498
ISBN13: 9783642459498
Publisher: Springer
Published: Feb 25 2012
Pages: 320
Weight: 1.15
Height: 0.69 Width: 6.69 Depth: 9.61
Language: English
135 We first describe the thermodynamic theory of surface tension and adsorption, by the method of the dividing surface of GIBBS. The use of a dividing surface or its equivalent is indispensable for the treatment of a curved interface, as otherwise the concepts of the area and curvature of the interface, cannot be pre- cisely defined. In the case of a plane interface, however, the concept of the dividing surface is not necessary and a valid alternative exposition has been proposed by GUGGEN- HEIM [3J, [4J in treating the interface zone as a separate entity of some definite thickness bounded by two mathematical planes. We make, however, little mention of this method, since it seems to be of only minor importance in connec- tion with the statistical treatment of an interface. To avoid any ambiguity, the treatment of a spherical interface given in this article is based not on the original method of GIBBS but on the method modified by HILL [8J and KONDO [9]. This method, however, is not applicable to non- spherical interfaces, which will not be dealt with in this article. Although all the relations for a plane interface can be deduced from the cor- responding ones for a spherical interface by putting the curvature equal to zero, the planar and the spherical cases are considered separately because of the prac- tical importance and easy physical visualization of a plane interface.

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Physics