Compressibility equation for fluids in random microporous matrices

David M. Ford, Eduardo D. Glandt

Research output: Contribution to journalArticlepeer-review

69 Scopus citations


Madden and Glandt have previously introduced a formalism for describing the structure of fluids in disordered microporous media [J. Stat. Phys. 51, 337 (1988)]. Structure in the system is described by pair correlation functions analogous to those used in equilibrium liquid-state theory. The applicability of the traditional ways of calculating thermodynamic properties from these functions has been somewhat in question. In this note, we introduce a new form of the compressibility equation for a fluid in a quenched matrix. When this approach is applied to a model hard-sphere system, the results compare very favorably with those from Monte Carlo simulations.

Original languageEnglish
Pages (from-to)2391-2393
Number of pages3
JournalJournal of Chemical Physics
Issue number3
StatePublished - 1994


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