Experimental study of a microchannel bubble injector for microgravity applications
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We perform a quantitative characterization of a microbubble injector in conditions relevant to microgravity. The injector pregenerates a slug flow by using a capillary T-junction, whose operation is robust to changes in gravity level. We address questions regarding the performance under different injection conditions. In particular we focus on the variation of both gas and liquid flow rates. The injection performance is characterized by measuring bubble injection frequency and bubble sizes. We obtain two distinct working regimes of the injector and identify the optimal performance as the crossover region between them.
CitationArias, S., Ruiz, X., Casademunt, J., Ramirez de La Piscina, L., Gonzalez, R. Experimental study of a microchannel bubble injector for microgravity applications. "Microgravity science and technology", Gener 2009, vol. 21, núm. 1-2, p. 107-111.
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