We know that in real viscous flow, boundary layer exists around the airfoil and there will be a separation point which flow starts to separate from the back of the airfoil( velocity gradient equal zero at separation point). If the flow speed increases, will separation occur earlier or later?
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Hanzhi Zhang
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This is an interesting question, but is not really on-topic here. – Organic Marble Feb 16 '19 at 14:10
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1Aviation.SE is a better fit for this question. – Hobbes Feb 16 '19 at 14:11
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@OrganicMarble thanks, then what topic should it be? – Hanzhi Zhang Feb 16 '19 at 14:12
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@Hobbes I don't find aviation in topics. And what's the meaning of SE? – Hanzhi Zhang Feb 16 '19 at 14:18
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SE = StackExchange. You're looking for https://aviation.stackexchange.com – Hobbes Feb 16 '19 at 14:19
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We mean that your question is not appropriate for this particular stack exchange site, and are suggesting that you try aviation.stackexchange.com – Organic Marble Feb 16 '19 at 14:20
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1@OrganicMarble got it I find the aviation site now thanks – Hanzhi Zhang Feb 16 '19 at 14:21
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and "try" means 1) go to Aviation SE and look around at the existing questions and answers, 2) consider joining that site, and 3) if you think you have a new and different question from those that already have answer..., that's a little more detailed than this one, and shows some evidence that you've done some reading first, then post a question there. Have fun, there are almost 200 SE sites to choose from! – uhoh Feb 16 '19 at 14:22