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The boundary layer expands because it is becoming more turbulent, and the larger the area of the body, especially length, the more unstable it will become until it actually fully separates due to the turbulance. I think that is mostly correct, and if there are errors I don't know how to judge where I have made them.
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Until someone who knows what they're talking about comes along...
It's spelled turbulence.
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The onset of turbulence can be predicted by the dimensionless Reynolds number, the ratio of kinetic energy to viscous damping in a fluid flow. However, turbulence has long resisted detailed physical analysis, and the interactions within turbulence create a very complex phenomenon. Richard Feynman has described turbulence as the most important unsolved problem in classical physics.
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The way I account for things in my own thinking is to distinguish laminar, attached turbulent and detached turbulent flow.
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I could take this to a print shop and have it printed on contact paper.
https://cdn.shopify.com/s/files/1/24...g?v=1561090696
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Last edited by freebeard; 05-31-2020 at 03:21 PM..
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