EXPERIMENTS WITH COMPUTED X-RAY TOMOGRAPHY TO OBSERVE HORIZONTAL TWO PHASE PIPE FLOW

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Abstract
Void fraction distributions were observed downstream from a centerline point injection of air into water flowing under fully turbulent conditions in a horizontal 3·75 cm ID pipe. An EMI 5005 X-ray tomography unit was used to quantitatively image void fractions across a series of planes downstream from the injection point and normal to the flow direction. Since data were acquired over a relatively long time frame (30 s) the images represent time average distributions.