Timeline for What is profile drag?
Current License: CC BY-SA 3.0
13 events
| when toggle format | what | by | license | comment | |
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| Apr 1, 2017 at 11:22 | comment | added | Lidakis Manolis | Yes of course, there is a sense of contradiction between the definitions, but at the same time, if you see the second flow-chart, imho, the definition is not actually completely wrong, but it depends on the perspective of taking a UNIT(profile or form, or all together), for a measurement, and of course it depends on the perspective of 2D and 3D. I am going to make an edit on this, to look right,but if you still think that is not correct please point me out, the section, that you think, needs an edit. | |
| Apr 1, 2017 at 11:01 | history | edited | Lidakis Manolis | CC BY-SA 3.0 |
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| Mar 31, 2017 at 13:22 | vote | accept | TomMcW | ||
| Mar 30, 2017 at 23:20 | comment | added | TomMcW | Ok, I think the flowcharts are going to be the key to understanding it. +1 for those. Can you look at the other definitions in your answer? Some seem to conflict with the chart and should probably be edited out. For example, it's clearly not synonymous with form drag and one of the definitions says exactly that | |
| Mar 30, 2017 at 22:29 | history | edited | Lidakis Manolis | CC BY-SA 3.0 |
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| Mar 30, 2017 at 22:26 | comment | added | Lidakis Manolis | Thank you for your comments, the answer is revised, with new content. Hope this helps now. If you need anything else, or if something is wrong, please let me know. | |
| Mar 30, 2017 at 22:21 | history | edited | Lidakis Manolis | CC BY-SA 3.0 |
wording
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| Mar 30, 2017 at 22:11 | history | edited | Lidakis Manolis | CC BY-SA 3.0 |
Revision of the answer
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| Mar 30, 2017 at 21:41 | history | edited | Lidakis Manolis | CC BY-SA 3.0 |
Removal of incorrect data
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| Mar 30, 2017 at 21:10 | comment | added | Peter Kämpf | Why would induced drag flatten at low speed? Those two plots look very wrong near the Y-axis. Apart from that your answer is spot on. | |
| Mar 30, 2017 at 20:21 | comment | added | TomMcW | Herein lies the conundrum. I posted the question after having read most of those articles. They each give s different definition. Your first example basically gives the definition of skin drag. Your second example first appears to define skin drag, then changes and defines it as the sum of skin and form drag. The third is actually defining form drag, not addressing profile. The fourth says it's another name for form drag. And Skybrary never mentions profile at all. So my question is still not answered. | |
| Mar 30, 2017 at 20:14 | history | edited | Lidakis Manolis | CC BY-SA 3.0 |
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| Mar 30, 2017 at 20:06 | history | answered | Lidakis Manolis | CC BY-SA 3.0 |