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circulations inside the slugs

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Old   October 22, 2009, 05:49
Default circulations inside the slugs
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siva
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dear all
i am working on slug flow in microchannels. There are internal circulations in each slug. i am using 2d simulations with rectangular plane.

to get recirculations i am modelling only two slugs (one is oil slug and other one is water slug).

I am doing this problem in a reference frame where slugs are stationary and top and bottom walls are moving with certain velocity(this is 2d problem).

right ow i am using left and right boundaries as walls. In this case i am getting circulations but in realistic this is not correct.

can anybody suggest , what type of bounadry conditions i have to use to get circulations.

thnks in advance
siva
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Old   December 6, 2014, 06:00
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Arun
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Hello Siva, I am also working in slug flow generation in microchannels, I am trying to simulate air-water flow in microchannel, I am giving all the flow conditions but not getting any slug flow. Can you help me?
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