Thread: Water tunnel with dye 'smoke lines' for Hot Wheels or 1:24 models?
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Old 07-22-2015, 03:34 PM   #7 (permalink)
aerohead
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incompressible
Below transonic velocity,air is regarded as an incompressible fluid,so water is fine for testing low speed aerodynamics (which is a branch of fluid mechanics).
Same-same!
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