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What is a Boundary Layer? | Cause of Boundary Layer Formation | Types and Impact of Boundary Layers

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JxJ AVIATION

JxJ AVIATION

Күн бұрын

Пікірлер: 57
@ajinkyaadake9149
@ajinkyaadake9149 4 ай бұрын
One of the best videos for education , very simple and good explanation
@ajinkyaadake9149
@ajinkyaadake9149 4 ай бұрын
Sir please make more videos like this
@JxJAVIATION
@JxJAVIATION Ай бұрын
Thank you!! Please do check out my other videos as well!
@victorbarcelosvictorino6067
@victorbarcelosvictorino6067 8 ай бұрын
A small correction. A fluid tends to move from a high pressure region to a low pressure region, for instance the wing tip vortex. So, the adverse pressure gradient is when the fluid moves to a relatively higher pressure (dp/dx > 0), contrary to what was stated at 3:05.
@JxJAVIATION
@JxJAVIATION 7 ай бұрын
Yes. Good observation! Thank you!
@mathis_vln126
@mathis_vln126 Ай бұрын
That video was great ! I was struggling with the boundary layer a lot and I understand way better now Thanks !!
@JxJAVIATION
@JxJAVIATION Ай бұрын
Thank you!! Please do check out my other videos as well!
@ganeshsuryawanshi7356
@ganeshsuryawanshi7356 2 жыл бұрын
Thank you Sir for your valuable and excellent explanation. It really got my concepts cleared !!! Please#KEEP UP THE GOOD WORK !!! 😃👍🍫
@JxJAVIATION
@JxJAVIATION 2 жыл бұрын
You're most welcome! Check out my other videos as well!
@user-rf9ol6gy5z
@user-rf9ol6gy5z 6 ай бұрын
your video helped me lot thanks for sharing knowledge i am doing PHD
@MrShahid06
@MrShahid06 5 ай бұрын
What is your Ph.D topic
@JxJAVIATION
@JxJAVIATION 5 ай бұрын
Awesome and All the Best!! Thank you! Check out my other video as well!
@user-rf9ol6gy5z
@user-rf9ol6gy5z 5 ай бұрын
BOUNDARY LAYER FLOW SEPARATION
@ajaymedidhi1245
@ajaymedidhi1245 2 жыл бұрын
Really, today I got know about the vortex generators,Thank you sir.
@JxJAVIATION
@JxJAVIATION 2 жыл бұрын
You are welcome! Check out my other videos as well!
@adenpoller5121
@adenpoller5121 7 ай бұрын
I needed some clarification on this topic. Very informative, thank you!
@JxJAVIATION
@JxJAVIATION 7 ай бұрын
Thank you! Check out my other videos as well!
@raccoonair
@raccoonair 2 жыл бұрын
Very well explained and great graphics; thanks for posting.
@JxJAVIATION
@JxJAVIATION 2 жыл бұрын
You're very welcome!
@sanika3280
@sanika3280 3 ай бұрын
thankyou. best video on this topic! clearly understood everything!
@JxJAVIATION
@JxJAVIATION Ай бұрын
Thank you for watching!! Please do check out my other videos as well!
@nassibunassoro389
@nassibunassoro389 6 ай бұрын
Great and nice explanatory information. Very great.
@JxJAVIATION
@JxJAVIATION 5 ай бұрын
Thank you! Check out my other video as well!
@MrCreepermax16
@MrCreepermax16 2 жыл бұрын
This very helped me alot thanks
@JxJAVIATION
@JxJAVIATION 2 жыл бұрын
Glad it helped
@vinikurunthazha5079
@vinikurunthazha5079 2 жыл бұрын
Always the best explanation
@JxJAVIATION
@JxJAVIATION 2 жыл бұрын
Thanks! 😃
@pushpendrakr.4185
@pushpendrakr.4185 Жыл бұрын
Thank u very mucch for the best explanation
@JxJAVIATION
@JxJAVIATION Жыл бұрын
Thank you! Do Check out my other videos as well!
@kjelldanao
@kjelldanao 10 ай бұрын
Thank you so much!
@JxJAVIATION
@JxJAVIATION 9 ай бұрын
Thank you! Check out my other videos as well!
@abdelkaioumbouaicha
@abdelkaioumbouaicha 9 ай бұрын
📝 Summary of Key Points: 📌 The boundary layer is a thin layer of fluid that forms on the surface of an object as it moves through a fluid, caused by friction between the fluid and the surface. 🧐 There are two types of boundary layers: laminar and turbulent. Laminar boundary layers reduce skin friction drag and improve aerodynamic efficiency, while turbulent boundary layers are thicker and cause more skin friction drag but can withstand adverse pressure gradients and prevent flow separation. 🚀 Understanding the boundary layer is crucial for optimizing the aerodynamic efficiency of objects like aircraft wings and sports equipment. 💡 Additional Insights and Observations: 💬 "The boundary layer only forms in a viscous fluid." 📊 Laminar boundary layers reduce skin friction drag, while turbulent boundary layers cause more skin friction drag but can withstand adverse pressure gradients. 🌐 References and Sources: The video does not mention any specific references or sources. 📣 Concluding Remarks: The boundary layer is a significant concept in fluid dynamics that affects the movement of objects through fluids. Understanding the different types of boundary layers and their impact on drag and flow separation is crucial for optimizing the aerodynamic efficiency of various objects. Made by Talkbud
@JxJAVIATION
@JxJAVIATION 9 ай бұрын
That is awesome. Thank you! Check out my other videos as well!
@abdelkaioumbouaicha
@abdelkaioumbouaicha 9 ай бұрын
@@JxJAVIATION Ok, I'll ;)
@CindySvendsen
@CindySvendsen Жыл бұрын
Super good explained
@JxJAVIATION
@JxJAVIATION Жыл бұрын
Thank you. Check out my other videos as well!
@user-wb8ro2wh1y
@user-wb8ro2wh1y 8 ай бұрын
Where is start from boundary layer seperation leading edge or trailing edge
@Airlynch077
@Airlynch077 2 жыл бұрын
Hello, what I do not understand is why you said laminar boundary layer is to reduce the drag at first, but then gave an example of golf and tennis ball that holes on them were made to create turbulent flow to reduce drag. I feel lost on the concept that its is turbulent or laminar flow which can reduce the drag. Hope you can answer me , thank you !
@Airlynch077
@Airlynch077 2 жыл бұрын
do you mean the pressure drag creating by turbulent flow for golf and tennis, but skin friction drag creating by laminar flow, there are two different drags which may make sense.
@JxJAVIATION
@JxJAVIATION 2 жыл бұрын
If we consider a smooth body, a laminar flow is required since it will stick to the surface, however if we consider a bluff body a turbulent flow is required, which will cause the flow to stick to the surface! This will reduce the drag!! Hope it helps!
@Airlynch077
@Airlynch077 2 жыл бұрын
@@JxJAVIATION Oh, so you mean it really depends on surface roughness, is it related to the Moody chart in Fluid Mechanics? Thanks for answering, awesome videos ! Will keep watching and learning as an entry level aircraft engineer ! !
@davidaugustofc2574
@davidaugustofc2574 Жыл бұрын
@@Airlynch077 In case of balls, the flow separation is worse than the added drag for a turbulent boundary layer. Since we can't make them not balls, that's our best bet. For everything else just avoid flow separation
@muhammedtp245
@muhammedtp245 Жыл бұрын
Great video🙌🏼
@JxJAVIATION
@JxJAVIATION Жыл бұрын
Thank you 🙌 Check out my other videos as well!
@arashmotamdi7393
@arashmotamdi7393 Жыл бұрын
Nice video 👍
@JxJAVIATION
@JxJAVIATION Жыл бұрын
Thank you!! Check out my other videos as well!
@revanbamoki1264
@revanbamoki1264 2 жыл бұрын
At 1:32 , why does the speed of the air particles gradually increase?
@JxJAVIATION
@JxJAVIATION 2 жыл бұрын
Because of friction the speed of the particle sticking to the surface is zero, as we move further the friction is no longer applicable so the speed increases.
@swatantra8982
@swatantra8982 2 жыл бұрын
thanks for this
@JxJAVIATION
@JxJAVIATION 2 жыл бұрын
You're welcome
@hmabboud
@hmabboud 4 ай бұрын
I always thought that a turbulent boundary layer causes early air separation, a bad thing.
@JxJAVIATION
@JxJAVIATION 4 ай бұрын
Turbulent boundary layer over a smooth surface is a bad thing
@Ectovr
@Ectovr 7 ай бұрын
Skill issue. ( this is revenge for Simon from the 8 weens
@JxJAVIATION
@JxJAVIATION 7 ай бұрын
haha
@vlatkopopovski2685
@vlatkopopovski2685 2 жыл бұрын
The authors have two wrong scientific approaches: researching the creation of Lift force and Low pressure at upper side of the wing, relative to the ground surface and Earth. I explain the aerodynamic cavitation and existence of Lee side aerocavern, and creation of Aerodynamic force. Low pressure creates force normal to the cord (contact surface), and it name is "aerodynamic force" because is made from the air (aero) in motion (dynamic), or wind relative to the wing (object).
@JxJAVIATION
@JxJAVIATION 2 жыл бұрын
Thanks for the info!
@vlatkopopovski2685
@vlatkopopovski2685 2 жыл бұрын
@@JxJAVIATION Thank you too, I send you an email, please check.
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