THE FILLING RATE DETERMINATION OF A NANOPOROUS MATERIALS WITH A NON-WETTING LIQUID
https://doi.org/10.26583/vestnik.2024.5.1
EDN: AYRBOG
Abstract
The study of the interaction of a nanoporous material with a non-wetting liquid is of interest not only from the point of fundamental science view in terms of liquid distribution in nanochannels, but also as an application of such systems to absorb the energy of impact, explosion and vibrations. It is for these applications that it is especially important to know the mechanism of liquid distribution in nanoporous materials and to make estimates of the time characteristics of the system response to high-speed pulse effects. The purpose of this work was to study the effect of the rate of pressure change in the system on the process of filling the pores of a nanoporous material with a non-wetting liquid. A series of intrusion – extrusion experiments was carried out in the nanoporous material (hydrophobized nanoporous silica gel Fluka 100 C8 (60759-50G) by Sigma-Aldrich) – non-wetting liquid (deionized distilled water) system at internal volume change rates of 0.24 ÷ 11.78 10‒2 cc/s at a temperature of 20 °C. Based on experimental data, a method for determining the filling rate of a nanoporous material with a non-wetting liquid has been developed. The developed technique will be further used to study the filling of nanoporous materials with non-wetting liquids.
Supporting agencies: The study was supported by the Russian Science Foundation grant No. 23-29-00352, https://rscf.ru/project/23-29-00352/.
About the Authors
V. D. Asafova
National Research Nuclear University «MEPhI»
Russian Federation
Russian Federation
S. A. Kulakov
National Research Nuclear University «MEPhI»
Russian Federation
Russian Federation
V. A. Byrkin
National Research Nuclear University «MEPhI»
Russian Federation
Russian Federation
S. A. Bortnikova
National Research Nuclear University «MEPhI»
Russian Federation
Russian Federation
A. A. Belogorlov
National Research Nuclear University «MEPhI»
Russian Federation
Russian Federation
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For citations:
Asafova V.D., Kulakov S.A., Byrkin V.A., Bortnikova S.A., Belogorlov A.A. THE FILLING RATE DETERMINATION OF A NANOPOROUS MATERIALS WITH A NON-WETTING LIQUID. Vestnik natsional'nogo issledovatel'skogo yadernogo universiteta "MIFI". 2024;13(5):285-292. (In Russ.) https://doi.org/10.26583/vestnik.2024.5.1. EDN: AYRBOG
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