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Flow Around an Airfoil: Panel Methods 

JoshTheEngineer
Подписаться 23 тыс.
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In the previous video (Building More Complex Flows), we ended with an equation for the velocity potential induced at an arbitrary point P in the flowfield, due to a uniform flow and all of the source panels that approximate our airfoil shape.
In this video, we dictate a boundary condition that forces the airfoil to be a streamline of the flow, allowing us to solve for the unknowns in the velocity potential equation (all the source panel strengths). We also dictate the other boundary condition that will allow us to calculate the velocity (and thus pressure coefficient) on the airfoil surface.
===== RELEVANT VIDEOS =====
► Panel Methods Playlist
• How To: Run XFoil from...
► Panel Method Geometry
• Panel Method Geometry
► Building More Complex Flows
• Building More Complex ...
===== NOTES =====
- As shown in the text in my video at 12:32, the boundary point indices (k and k+1) are reversed. This has no implication on the derivation, but just note that the tangential vector always points from point k to point k+1.
===== ERRORS =====
- If you see an error in the video, please let me know and I will include it here.
===== REFERENCES =====
Note: the links are Amazon affiliate links. If you do happen to want to buy the book and use the link below, it helps me out a little.
► Fundamentals of Aerodynamics, Anderson
amzn.to/3emVuXU
► Foundations of Aerodynamics, Kuethe and Chow
amzn.to/2yMg1Vi
► Theory of Wing Sections, Abbott and Doenhoff
amzn.to/2wvZyUt

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5 сен 2024

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Комментарии : 24   
@filmweaver2013
@filmweaver2013 4 года назад
These videos will remain in history! Thank you so much...
@JoshTheEngineer
@JoshTheEngineer 4 года назад
You're welcome!
@saadali9386
@saadali9386 3 года назад
Wow as an aerospace engineer .. I can tell you ... your video and explanations are BRILLIANT .. keep uploading more!
@anirudhsingh734
@anirudhsingh734 4 года назад
This was an absolute help! Every book seems to approach this with vague statements and stating that some equations are 'obvious' which is not the case! Thanks.
@JoshTheEngineer
@JoshTheEngineer 3 года назад
You're welcome!
@olivergriffiths1996
@olivergriffiths1996 4 года назад
The best explanation I have found on the web. Great stuff mate
@JoshTheEngineer
@JoshTheEngineer 4 года назад
Thanks!
@remcovanwoerkom2016
@remcovanwoerkom2016 Год назад
absolutely wild that this is free, i'm currently watching the whole thing and intend to write my own solver to use for a project of mine (obviously there are better solvers out there but its a learning experience for me).
@toolongforshorts5560
@toolongforshorts5560 3 года назад
Thank you so much for these video lessons. Been struggling with my online aero class, having this as a reinforcement for the course material has been life saving.
@JoshTheEngineer
@JoshTheEngineer 3 года назад
You're welcome! I'm happy to help!
@spambrie1111999
@spambrie1111999 4 года назад
These videos are excellent! Have shared with all my student friends :)
@JoshTheEngineer
@JoshTheEngineer 4 года назад
Thanks! And thanks for sharing it!
@blackguardian89
@blackguardian89 4 года назад
Happy subscriber here :) Thank you very much for taking the time to make this tutorial :)
@JoshTheEngineer
@JoshTheEngineer 4 года назад
Thanks for coming back and watching!
@sadegh5429
@sadegh5429 3 года назад
Thank you so much, you make it so easy for me and save me a lot of time
@Slyder2828
@Slyder2828 4 года назад
Amazing timing on this video!! I've been playing disc golf more and recently watched a video on the advanced physics on the flight of discs. You would love the sport if you don't play already!
@JoshTheEngineer
@JoshTheEngineer 4 года назад
I'm extremely average at throwing a frisbee, so I feel like I wouldn't be very good at disc golf. But I've always wanted to give it a shot!
@Slyder2828
@Slyder2828 4 года назад
JoshTheEngineer yes, me either, I mostly use it as walking exercise. The physics is interesting with all the different types of discs. Putter vs driver etc.
@Slyder2828
@Slyder2828 4 года назад
JoshTheEngineer Hey Josh, this just came out on a popular disc golf site regarding the physics of disc flight. You might like it. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-8Nsoh9XPsyE.html
@PilesofGoo
@PilesofGoo 4 года назад
I’ve been waiting for this one, thank you
@JoshTheEngineer
@JoshTheEngineer 4 года назад
You're welcome! I should be posting some more in a shorter time frame now that the holidays are over.
@somber_soul
@somber_soul 3 года назад
In a previous video you mentioned a book by Anderson. Is that Computational Fluid Mechanics and Heat Transfer? The reference you gave didnt match mine but I've got an old edition so may just be that.
@austineadah2843
@austineadah2843 3 года назад
I know you're aerodynamic inclined but could you please do a series on hydrodynamic panel method? It would help alot
@migniondavis5942
@migniondavis5942 3 года назад
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