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Engineering
Aerospace Engineering
Designing an Electric Aircraft: Testing Motor+Airfoil Configurations
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[QUOTE="MaxKang, post: 5615320, member: 592577"] Hello, me and other engineering students at my university are designing an electric aircraft and we are hoping to implement the technology that NASA is currently working on, [B][URL]http://www.nasa.gov/press-release/nasa-electric-research-plane-gets-x-number-new-name[/URL][/B] Basically how it works is you have 14 electric motors placed across the wing, which gives you twice as much lift at lower speeds by accelerating the flow more. My question is whether or not the result of theirs will be reliable for our prototype. If we choose to pick a different airfoil, I believe there could be a big difference in performance. My friend suggested using the CFD to test different motor+airfoil configurations across the wing, but I do not think we can trust CFD results. From my understanding, CFD data is only useful if it happens to match the experimental result because, if the CFD model happened to work and it should presumably predict the performance well even when the geometry(i.e. chord length) is modified. Is there a way to predict the performance of a wing in a more reliable way, without having to do a wind tunnel testing? Thanks! [/QUOTE]
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Designing an Electric Aircraft: Testing Motor+Airfoil Configurations
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