Two-phase flow regimes in a horizontal microchannel with the height of 50 μm and width of 10 mm

V. P. Fina, F. V. Ronshin

Результат исследования: Научные публикации в периодических изданияхстатья

Аннотация

Two-phase flows of distilled deionized nanofiltered water and nitrogen gas in a microchannel with a height of 50 μm and a width of 10 mm have been investigated experimentally. The schlieren method has been used to determine main features of the two-phase flow in the microchannel. This method allows detecting the liquid film on the lower and upper walls of the microchannel as well as droplets of various shapes and sizes or vertical liquid bridges. Two-phase flow regimes have been observed, and their boundaries precisely determined using post-processing of the recordings. The following flow regimes have been distinguished: bubble, churn, jet, stratified and annular. Comparison of regime maps for channels of different widths has been carried out, and this parameter showed to have a significant impact on the boundaries between the regimes in microchannels of a height of less than 100 μm.

Язык оригиналаанглийский
Номер статьи012034
Число страниц6
ЖурналJournal of Physics: Conference Series
Том925
Номер выпуска1
DOI
СостояниеОпубликовано - 9 ноя 2017

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