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bio website nikic.github.com
location Berlin, Germany
age 19
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comment Does a wing in a potential flow have lift?
Thanks for the last article. I just read through it and it was very insightful.
Dec
6
comment Does a wing in a potential flow have lift?
@tpg2114 Yes, this made it more clear. So, just to check that I got it, is this right? If you start off with a viscous fluid you'll get a starting vortex, which will cause a circulation. Now you can "turn off" the viscosity while the circulation will be conserved and the resulting flow will still be irrotational, but due to the circulation will create a lift. On the other hand if you start off with a circulation-free flow (with no viscosity to create a starting vortex) then there won't be lift.
Dec
6
comment Does a wing in a potential flow have lift?
First of all, thanks for the very detailed response! But I fear that it has left me even more confused than I was before (e.g. the two bold statements seem somewhat contradictory). About the Kutta condition: Does this mean that the potential flow around a body has infinitely many solutions and the Kutta condition is the one that makes "sense"? And the Kutta condition then necessary creates a circulation and thus a lift? Though I still don't quite understand where the circulation can come from (especially with preservation of circulation).
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asked Does a wing in a potential flow have lift?
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Feb
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revised BCS theory, Richardson model and Superconductivity
minor grammer + orthography correction
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suggested suggested edit on BCS theory, Richardson model and Superconductivity