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Old 06-15-2011, 10:20 AM   #15 (permalink)
khafra
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Aerohead was referring to the video. These days, they still use setups like that, but with a transparent bottom, and they image the light refracted through. It offers a decent way of approximating compressible flows in 2d, like those that happen inside a jet engine.

If the water's 750mm deep, and the model and flow speed are scaled appropriately to that, it'll be a 3d simulation.
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