Self-aggregation phenomenon and stable flow conditions in a two-phase flow through a minichannel

Abstract : By increasing a water flow rate of the two-phase (air-water) flow through a minichannel, both the partitioning of air slugs into air bubbles of different sizes and small air bubbles aggregation into larger air bubbles were identified. These phenomena were studied in detail by using the corresponding sequences of light transmission time series recorded with a laser-phototransistor sensor. To distinguish any instabilities in air slugs along with their break-ups and aggregations, the recurrence plots and recurrence quantification analysis were applied.
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G. Górski, G. Litak, R. Mosdorf, A. Rysak. Self-aggregation phenomenon and stable flow conditions in a two-phase flow through a minichannel. Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences, 2015, 70 (10), pp.843-849. ⟨10.1515/zna-2015-0264⟩. ⟨hal-01769256⟩

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