Effective viscosity of glycerin in a nanoporous silica gel

Aijie HAN, Weiyi LU, Venkata K. PUNYAMURTULA, Xi CHEN, Falgun B. SURANI, Taewan KIM, Yu QIAO

Research output: Journal PublicationsJournal Article (refereed)peer-review

47 Citations (Scopus)


The infiltration of glycerin in a lyophobic nanoporous silica gel is investigated experimentally, and the effective interfacial tension and viscosity are discussed. While the simple superposition principle can be employed for the analysis of interfacial tension, in a nanopore the effective liquid viscosity is no longer a material constant. It is highly dependent on the pore size and the loading rate, much smaller than its bulk counterpart. © 2008 American Institute of Physics.
Original languageEnglish
Article number124908
JournalJournal of Applied Physics
Issue number12
Publication statusPublished - 30 Dec 2008
Externally publishedYes

Bibliographical note

The experiment was supported by the (U.S.) Army Research Office under Grant No. W911NF-05-1-0288. The analysis was supported by the National Science Foundation and the Sandia National Laboratory under Grant No. CMS-0623973.


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