Journal
JOURNAL OF MAGNETIC RESONANCE
Volume 196, Issue 2, Pages 142-148Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmr.2008.10.021
Keywords
Magnetic resonance imaging; Two-phase flow; Hydrodynamics; Porous media; Reaction engineering
Funding
- University of Cambridge
- Trinity College, Cambridge
- EPSRC [GR/S43719/01, GR/S20789/01]
- EPSRC [EP/C547241/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [GR/S20789/01, GR/S43719/01, EP/C547241/1] Funding Source: researchfish
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Single-phase liquid flow in porous media such as bead packs and model fixed bed reactors has been well studied by MRI. To some extent this early work represents the necessary preliminary research to address the more challenging problem of two-phase flow of gas and liquid within these systems. in this paper, we present images of both the gas and liquid velocities during stable liquid-gas flow of water and SF6 within a packing of 5 mm spheres contained within columns of diameter 40 and 27 mm; images being acquired using H-1 and F-19 observation for the water and SF6, respectively. Liquid and gas flow rates calculated from the velocity images are in agreement with macroscopic flow rate measurements to within 7% and 5%, respectively. In addition to the information obtained directly from these images, the ability to measure liquid and gas flow fields within the same sample environment will enable us to explore the validity of assumptions used in numerical modelling of two-phase flows. (C) 2008 Elsevier Inc. All rights reserved.
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