Journal
JOURNAL OF MAGNETIC RESONANCE
Volume 199, Issue 2, Pages 126-135Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmr.2009.01.034
Keywords
Two-phase flow; MRI; SPRITE; Velocimetry; Turbulence
Funding
- Engineering and Physical Sciences Research Council [EP/F047991/1] Funding Source: researchfish
- EPSRC [EP/F047991/1] Funding Source: UKRI
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Bubble flow is characterised by numerous phase interfaces and turbulence, leading to fast magnetic resonance signal decay and artefacts in spin-warp imaging. In this paper, the SPRITE MRI pulse sequence, with its potential for very short encoding times. is demonstrated as an ideal technique for studying such dynamic systems. It has been used to acquire liquid velocity and relative intensity maps of two-phase gas-liquid dispersed bubble flow in a horizontal pipe at a liquid Reynolds number of 14,500. The fluids were air and water and a turbulence grid was used to generate a dispersed bubble flow pattern. The SPRITE technique shows promise for future research in gas-liquid flow. (C) 2009 Published by Elsevier Inc.
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