Manufacturing a Micro-model with Integrated Fibre Optic Pressure Sensors

I. M. Zarikos*, S. M. Hassanizadeh, L. M. van Oosterhout, W. van Oordt

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)
32 Downloads (Pure)


The measurement of fluid pressure inside pores is a major challenge in experimental studies of two-phase flow in porous media. In this paper, we describe the manufacturing procedure of a micro-model with integrated fibre optic pressure sensors. They have a circular measurement window with a diameter of 260 (Formula presented.), which enables the measurement of pressure at the pore scale. As a porous medium, we used a PDMS micro-model with known physical and surface properties. A given pore geometry was produced following a procedure we had developed earlier. We explain the technology behind fibre optic pressure sensors and the procedure for integrating these sensors into a micro-model and demonstrate their utility for the measurement of pore pressure under transient two-phase flow conditions. Finally, we present and analyse results of single and two-phase flow experiments performed in the micro-model and discuss the link between small-scale fast pressure changes with pore-scale events.

Original languageEnglish
Pages (from-to)221-234
JournalTransport in Porous Media
Issue number1
Publication statusPublished - 2018


  • Micro-model
  • Pore-scale pressure measurement
  • Two-phase flow


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