An air-water separator which uses the centrifugal force as a driving force was developed and tested for micro scale flow systems. The device is composed of a main-channel of return bend, a sub-channel running along the main-channel, and several connecting-channels which connect the main- and the sub-channel. When two-phase mixture flows through the curved main-channel, water drifts towards outside region of the curvature and partly into the sub-channel. Consequently air holdup in main-channel becomes large at its exit. The performance of the device was evaluated numerically and experimentally by means of water recovery, air recovery, and Newton efficiency.
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Separation of Air From Two-Phase Air-Water Mixture Flowing in a Mini Channel
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Kariyasaki, A, Yamasaki, Y, Fukano, T, Ousaka, A, & Morooka, S. "Separation of Air From Two-Phase Air-Water Mixture Flowing in a Mini Channel." Proceedings of the ASME 3rd International Conference on Microchannels and Minichannels. ASME 3rd International Conference on Microchannels and Minichannels, Parts A and B. Toronto, Ontario, Canada. June 13–15, 2005. pp. 585-589. ASME. https://doi.org/10.1115/ICMM2005-75057
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