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1,622,714 Views âą Feb 16, 2024 âą Click to toggle off description
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Are convection diagrams accurate? I built one to find out.
Paper about solutal convection: www.sciencedirect.com/science/article/abs/pii/S037âŠ
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Views : 1,622,714
Genre: Science & Technology
Date of upload: Feb 16, 2024 ^^
Rating : 4.966 (463/54,702 LTDR)
RYD date created : 2024-05-14T00:54:20.591526Z
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YouTube Comments - 2,400 Comments
Top Comments of this video!! :3
"Ink is expensive"
*Prints a checkerboard
1.8K |
5:00
The Printer ink reference is pure gold
596 |
do not watch this on shrooms
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My dissertation focused on Rayleigh-BĂ©nard convection, I observed by placing a thin layer of oil between two glass layersâone heated and the other cooled. (need large(ish) constant temperature gradient) This setup, resembling a manifold, was heated from below and cooled from above. The entire assembly was then positioned on an adapted overhead projector to magnify the convection cells onto a screen. This allowed for a clear visualisation of the hexagonal patterns that formed.
The topic has broad applications, even in the potential role of these convection cells in concentrating the chemicals necessary for life, suggesting a mechanism by which life's building blocks could be held in place long enough for life to emerge. the cells were quite stable and how matter was contained within them.
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Steve lives in a 2D world â€
2.5K |
I absolutely know what you mean by "2D-Version", but in this case it's very important to mention that this process would actually look and work differently in true 2D. This is, from a fluid dynamics standpoint, still 3D. Actual 2D fluid dynamics (which does not exist but is and has been studied mathematically and numerically) works surprisingly different than real-world 3D fluid dynamics.
I'm a PhD student working on turbulence and turbulence modelling, and the difference there between 2D and 3D is astronomically, much of the physics basically flips around. Fascinating stuff! Great video as always!
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5:10 Those fluorescent particles were so worth it. Also those Rayleigh-Benard convections look so satisfying! Nice video!
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I'm always so Stoked for Fluid Dynamics!
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What do you call a river made entirely from chocolate and sweets?
A confection current
1.6K |
Taking a very long exposure shot with the green particles might result in an interesting photo
277 |
I love that you share so many things that didn't work, those little bits really help reinforce my understanding of various concepts. Always love and look forward to new posts!
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obsessed with how the 2d single source convection current moves like a top-down view of a rip current while the RayleighâBĂ©nard convection moves like mini tectonic plates lol these examples really highlight just how often we see patterns like this everywhere
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Miso soup! You can see the convection cells in hot miso soup!
488 |
Honestly, that HP ink joke at 5:00 is the pinnacle of humour CHANGE MY MIND
744 |
It took me almost 30 seconds to realize that you just shifted to the sponsorship part. Bravo.
75 |
Your convection cell demo is incredible.
Never thought id be excited about convection cells in a petrie dish. Thanks
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Fun with Large-Scale Convection: Those of us who fly gliders/sailplanes use convective plumes ("thermals") to climb thousands of feet and fly hundreds of miles/KMs without any engine! A typical "thermal" (a single plume of convection) is maybe 50-150 meters across and often exhibits the behavior shown in your very first demonstration at 2:20 : we see wide-spread gently-sinking air on the outskirts of thermals, and lots of turbulence / shear at the interface between the rising and sinking air that descends around the "core" of the thermal. Its quite a thrill to be rising up at several meters per second (i.e. several hundred feet per minute) with no visible energy source. Imagine rising up the height of the Empire State Building in 3 minutes, or the Shard (in London) in 2 minutes - with just the feeling of the air around you, bubbling/pushing up underneath your seat!
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Steve, 6:00 into this video: 'It happens on the surface of the sun, so I made a 2D model of that at home. It took a couple of goes to create fusion in a sustainable way; I'll post a video about that on my second channel, in case anyone can think of another use for that. Unfortunately, beads that don't melt in the plasma were really expensive, but I bought them anyhowâŠ'
392 |
Its so facinating how you can see the same patterns all over the world and universe. Like this effect looking exactly like the skin of a croc. Or a walnut looking like a brain. Or the shell of a sea creature looking like a spiraling galaxy. The whole universe is a repeating fractal.
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@SteveMould
2 months ago
I didnât really talk about the effect the sides of the container has. There must be a boundary layer effect there and thatâs likely going to increase turbulent flow. The Sponsor is Henson Shaving: Click this link hensonshaving.com/stevemould and use the code stevemould to receive 100 free blades with the purchase of your AL13 razor
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