Abstract:Slug or plug flow is generally considered as major flow pattern in microchannels in gas-liquid two-phase flow. A new microchannel design has enabled experimental interfacial surface area density exceeding 10,000 m2/m3 based on the two-phase volume in bubbly flow, and mass transfer coefficients exceeding 10sec−1. Numerical simulations as well as experiments are presented with the new microchannel design. The velocity components of secondary flow induced by specially designed angled microgrooves break the gas ph… Show more
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