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Author(s): Charalampos T. Moisidis; Eleftherios G. Kastrinakis
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Keywords: Airlift pump; flow regime map; flow transition; point conductivity probe; two-phase flow pattern
Abstract: The flow behaviour and flow pattern transitions of two-phase flow of short airlift pumps were investigated in a wide range of submergence ratios and air discharges. This was obtained using conductivity signals from point-conductivity probes along with visual observations. It was found that the transitions between the various flow patterns depend on the submergence ratio and that the two-phase flow structure can change characteristics along the riser tube. A flow regime map is presented which takes into account the operational parameters, namely superficial gas velocity and submergence ratio, of the airlift pump.
DOI: https://doi.org/10.1080/00221686.2010.515382
Year: 2010