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Illustrating phase transitions with soap films

 

作者: David R. Lovett,   John Tilley,  

 

期刊: American Journal of Physics  (AIP Available online 1991)
卷期: Volume 59, issue 5  

页码: 415-421

 

ISSN:0002-9505

 

年代: 1991

 

DOI:10.1119/1.16520

 

出版商: American Association of Physics Teachers

 

关键词: PHASE TRANSFORMATIONS;SOAPS;FILMS;CATASTROPHE THEORY

 

数据来源: AIP

 

摘要:

First‐order and second‐order phase transitions are demonstrated using soap‐film models. The models consist of two‐dimensional parallel plates or three‐dimensional frameworks in which film patterns are maintained. By making the sizes of the frameworks variable, it is possible to induce switching between film patterns analogous to transitions between phases. These phase changes are discussed thermodynamically and using a catastrophe theory model.

 

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