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[Youtube Review][Veritasium] 보이지 않는 것 보기 : 슬로우 모션을 통한 Schlieren 이미지
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https://www.youtube.com/watch?v=4tgOyU34D44
Summary Comments : [Veritasium] 보이지 않는 것 보기 : 슬로우 모션을 통한 Schlieren 이미지
Ju*****:
I thought of some ideas
1. airflow around a spinning ball to see Magnus effect
2. airflow around very cold metal and very cold book etc to observe the heat conductance
3. airflow around electric spark!!
4. Slowmo of a vacuum chamber filling with air
5. maybe the refraction of light becuase of difference in air pressure? If possible, making a lense with air?
6. airflow made by raindrop of waterdrop
7. Corioli's effect with air?
8. airflow around Whip and Vacuum cleaner for Funnnnn!
Playtime Comments : [Veritasium] 보이지 않는 것 보기 : 슬로우 모션을 통한 Schlieren 이미지
NE***********:
4:12 it's like he detonated a nuke
Top Comments : [Veritasium] 보이지 않는 것 보기 : 슬로우 모션을 통한 Schlieren 이미지
Up****************:
Do an acoustic levitation experiment that shows the entire pattern of wave behavior.
Could you add some technical details about the light source and the mirror used in your Schlieren setup?
Ju****:
Derek is that one kid who won every science fair competition
Ja*************:
Someone snapping their fingers together, just to see what happens to the air
Va*********:
Sound waves, I've always wanted to see those.
Do*************:
heat up a popcorn kernel until it pops.
Jo**:
Would love to see any of these:
A pair of hands clapping,
A birds/Insects wings flapping,
A tuning fork ringing,
A set of Newtons Cradle in motion,
A gyroscope spinning,
A spark across 2 points (as in a Van De Graaff),
A fluorescent tube striking,
A drone hovering,
A feather falling.
Looking forward to whatever you end up trying. :D
Li**************:
In a world of political discourse and divide, coming to watch a video where I could learn something and see something I've never seen before is a refreshing change from the norm. I thank you for that.
Br**********:
As an ex-aerodynamicist, you bring back many happy memories of using Schlieren systems to investigate transonic flows over a whole bunch of different shapes. You might like to try to produce "colour Schlieren", where you replace the razor blade with a discrete colour filter - we used to use different coloured bits of transparent gel used in theatre lighting. The only problem is to get the filter small enough to produce the desired colour changes. But it's great fun trying! Good luck.
To************:
If it also works with liquids, maybe you could try something with convection movements in water.
ALSO I re this because it needs to be done (not my idea) : replace the blade with a colored filter.
Hi*******:
Make a fountain by placing a few diffirent size containers above each other and pouring cold air or heavy gass on top.
Th*************:
Absolutely Mesmerizing!
Ad************:
vibrations from a musical instrument might be cool (or speakers). I can imagine in dense air it would be interesting to see different pitches.
Th********:
diaphragm of a speaker moving the air
Sa***********:
We are doing schlieren for shock waves visualisation . It would be helpful if u can share the camera settings
Cs***********:
1- Try to show wind in a aerodynamic profile like a airplane wing
2- Try to demonstrate how Magnus Effect works
- open a carbonated drink (remove cap of a beer)
- surface of a carbonated drink sparkling
- start a firecracker / roman light
- laser heating up the air
- shoot a gun / airgun
- audio speakers
- use multiple speakers to create standing waves in the air
- piezzo crystal making sound (maybe surface view?)
- create an electric arc (plasma)
- laminar vs turbulent flow
- spinning ball
- arrow flying
Good luck and have some fun!
Put a Polarizer in Same Phase and Second one Polarizer in opposite phase.
Put, A plastic Sheet or Tape between them, Now Slowly Burn that Tape and observe Colour Difference.
Fa**********:
Touch the untouchable, Break the Unbreakable.
Row Row, Fight the Power!
Se****:
There's a bunch of cool things you could do with a model of an airplane wing (a basic asymmetrical airfoil made out of cardboard or styrofoam or something) and a fan with a laminar flow nozzle (these also seem to be relatively simple to build out of stuff like drinking straws):
* Increase the wing's angle of attack until you get flow separation (the wing stalls) and film the turbulence on top of the wing
* Film the wingtip vortex with and without a winglet at the tip of the wing to see how winglets make airplanes more efficient
* Tape a small rectangular piece of cardboard to the top of the wing, prop it up at various angles between 0 and 90 degrees to act as a spoiler and film the vortex it produces
* Repeat the previous test but with the cardboard piece taped to the trailing edge of the wing and angled downwards to act as a flap
pa***:
Things I think would look cool (not sure how many are detectable):
• Turning on an incandescent lightbulb
• Compare to turning on an LED
• Hitting two steel ball balls together
• Electric arc
• Playing a trumpet, seeing where air comes out. Obviously the end, but does it also leak out elsewhere?
• Compare to a saxophone, where the air definitely doesn't all come out the end
• Speaker playing audio
• Space heater
• Hold a slab of dry ice at the top of the frame
• Active compost pile
Other ideas contributed:
• Lasso hitting the speed of sound (Muzkaw)
• Liquid nitrogen (killuh208)
• Keeping a small plant and seeing the exchange of gases that take place (Murali Krishna)
• Gas explosion / deflagration (Muzkaw)
• A liquid burning (Muzkaw)
Feel free to respond with more ideas.
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