Crossover from singular critical to regular classical thermodynamic behavior of fluids
Physical Review A, ISSN: 1050-2947, Vol: 41, Issue: 6, Page: 3161-3177
1990
- 184Citations
- 12Captures
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Article Description
A procedure is presented for constructing a thermodynamic free energy for fluids in the critical region that incorporates the crossover from Ising-like singular behavior near the critical point to regular classical behavior far away from the critical point. The procedure is based on an approximation of the solution of the renormalization-group theory of critical phenomena, modified to include effects from a cutoff wave number for the crossover to the classical limit. As an illustration we show how the procedure can be applied to a truncated classical Landau expansion. The results are compared with experimental thermodynamic-property data for carbon dioxide, steam, and ethylene in the critical region. © 1990 The American Physical Society.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0000322003&origin=inward; http://dx.doi.org/10.1103/physreva.41.3161; http://www.ncbi.nlm.nih.gov/pubmed/9903471; https://link.aps.org/doi/10.1103/PhysRevA.41.3161; http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevA.41.3161/fulltext; http://link.aps.org/article/10.1103/PhysRevA.41.3161
American Physical Society (APS)
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