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help on the close wake behind the cylinder

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Old   November 30, 2007, 10:24
Default help on the close wake behind the cylinder
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xiaofish
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For flow past cylinder in the Reynolds number range of 0 < Re < 40, why does the flow separate at a certain Re? What's the physical mechanics of the forming the closed wake? Why does the length of the closed wake increase with Re? Thanks.
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