7. BubblyFlow_web - ENU 4134 Bubbly Flow D. Schubring July...

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Unformatted text preview: ENU 4134 Bubbly Flow D. Schubring July 28, 2010 Learning Objectives I 1-f-i Characterize the various regimes of two-phase flow I 1-f-iii Identify the importance of coherent structures (waves, droplets, bubbles, etc.) in two-phase flow and in the differentiation among regimes I 1-f-iv Explain the qualitative argument behind the interfacial area transport equation (IATE), frequently used to model bubbly flow Bubbly Flow Topics I Applicability of previously discussed models. I Other phenomena. I Interfacial area concentration and transport. This discussion will be qualitative. (The sort of thing that might show up in a short essay question.) Applicability of Analytical Models Many of the models discussed in the first two-phase flow block are especially useful for the bubbly flow regime (and into slug flow). The concepts of two-phase averaged parameters, such as { } and S , are most useful in these regimes, as is 2 lo . { } is most useful here because its value is far away from 1 and, often, far away from...
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7. BubblyFlow_web - ENU 4134 Bubbly Flow D. Schubring July...

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