Grays's Paradox- Boundary Layer Effect (Explained)
Dolphins are very cute but they're also very fast, they're actually the fastest mammal on water. This simple fact caused a lot of confusion between scientists because dolphins don't have enough muscle mass to generate the thrust they do. At least according to the zoologist, that first tried to calculate the thrust generated by a dolphin, James Gray. His results gave birth to a longstanding contradiction, Thre Gray's Paradox
In this video, I tell you the story of how this paradox came to be and try to explain why dolphins are so fast. I go into some fluid mechanics and aerodynamics talking about stuff like drag, viscosity and the boundary layer effect.
The boundary layer effect plays a big role in aerodynamics and is an important piece of the puzzle on out dolphins swim so fast, so stick around and enjoy the video.
(Message for Subs) - Guys sorry for the delay on the video but as I was researching, I got more and more interested, also the animations were more complicated than usual. This delay made me realize that I need a more direct line to communicate with you, so follow me on one of my social media websites where I post warnings, teaser, exclusive photos an footage and more.
Facebook Page - https://www.facebook.com/thisisintegza
Twitter - https://twitter.com/Integza__
Time Stamps
Gray's Paradox - 01:05
Paradox Solution - 2:54
Solution Explained - 05:14
Boundary Layer Effect - 08:00
Final Conclusion - 10:48
Sources
----------------------------------------------------------------------------------------------------------
Thumbnail (Woxys) - https://www.deviantart.com/art/Smile-for-camera-please-195012757
1930s Scientists at Work in Laboratory Science Research Archive Footage (thekinolibrary)-https://www.youtube.com/watch?v=hsEJ1ZZgwMs
A Compilation of Robots Falling Down at the DARPA Robotics Challenge (IEEE Spectrum) - https://www.youtube.com/watch?v=g0TaYhjpOfo
Birds in Slow Motion | Earth Unplugged (BBC Earth Unplugged) - https://www.youtube.com/watch?v=8lkU6gDr-60
CFD Visualization Comparing Turbulent Vortex Shedding Between a Sphere and Golf Ball(BattelleInnovations) - https://www.youtube.com/watch?v=GHOoZYhF6r4&t=39s
Cheetah Running In Slow Motion - Amazing Footage (PerfectFootage) - https://www.youtube.com/watch?v=131wvVGjZUc&t=99s
Dolphins burst bubble of underpowered muscles(DPIV) (Science News) - https://www.youtube.com/watch?v=y8ZQIzVn2jw
Inviscid Flow over an airfoil (Ankur Bhatnagar) - https://www.youtube.com/watch?v=Zcd3DN6UT6c
UConn Swim Team In Super Slow Motion(Uconn) - https://www.youtube.com/watch?v=2dhjiMhQCto
Wedge Delta Wing Vortex Generator 1(LaKiEh) - https://www.youtube.com/watch?v=DJnByod9wWY
GoPro Swimming with Dolphins - Santa Cruz CA(GoPro) - https://www.youtube.com/watch?v=LStXdttFj_o
epic underwater dolphin footage(Rich German) - https://www.youtube.com/watch?v=Wf9_Gitcils&t=15s
Particle Imaging Velocimetry(bardiche1989) - https://www.youtube.com/watch?v=wFZ8b4u-pUA&t=10s
Digital Particle Image Velocimetry(NextGenLog) - https://www.youtube.com/watch?v=msr6jCqoZYU&t=2s
Bathing in 600 lbs of Nutella(Cemre) - https://www.youtube.com/watch?v=z6tFkq2WtTI&t=50s
Deep Water Running with Jog Belt | Speedo Fit(SpeedoUSA) - https://www.youtube.com/watch?v=t_PEHX9vkJ8
HONEY BATH CHALLENGE!(Guava Juice) - https://www.youtube.com/watch?v=g82MrpXkmPU
Jet Engine Stunt (Jackass 3D)
Slime ASMR short clip (Cassie MoonShadow) - https://www.youtube.com/watch?v=vchKG47eBzI
Understanding Aerodynamics - The Drag Formula(Sigma Rockets) - https://www.youtube.com/watch?v=SyZu744vQXg&t=60s
Pitch Drop Time Lapse 2 years to date(ThePitchDrop) - https://www.youtube.com/watch?v=UZKZF7FNh_0
#dolphins #science #paradox
Видео Grays's Paradox- Boundary Layer Effect (Explained) канала Integza
In this video, I tell you the story of how this paradox came to be and try to explain why dolphins are so fast. I go into some fluid mechanics and aerodynamics talking about stuff like drag, viscosity and the boundary layer effect.
The boundary layer effect plays a big role in aerodynamics and is an important piece of the puzzle on out dolphins swim so fast, so stick around and enjoy the video.
(Message for Subs) - Guys sorry for the delay on the video but as I was researching, I got more and more interested, also the animations were more complicated than usual. This delay made me realize that I need a more direct line to communicate with you, so follow me on one of my social media websites where I post warnings, teaser, exclusive photos an footage and more.
Facebook Page - https://www.facebook.com/thisisintegza
Twitter - https://twitter.com/Integza__
Time Stamps
Gray's Paradox - 01:05
Paradox Solution - 2:54
Solution Explained - 05:14
Boundary Layer Effect - 08:00
Final Conclusion - 10:48
Sources
----------------------------------------------------------------------------------------------------------
Thumbnail (Woxys) - https://www.deviantart.com/art/Smile-for-camera-please-195012757
1930s Scientists at Work in Laboratory Science Research Archive Footage (thekinolibrary)-https://www.youtube.com/watch?v=hsEJ1ZZgwMs
A Compilation of Robots Falling Down at the DARPA Robotics Challenge (IEEE Spectrum) - https://www.youtube.com/watch?v=g0TaYhjpOfo
Birds in Slow Motion | Earth Unplugged (BBC Earth Unplugged) - https://www.youtube.com/watch?v=8lkU6gDr-60
CFD Visualization Comparing Turbulent Vortex Shedding Between a Sphere and Golf Ball(BattelleInnovations) - https://www.youtube.com/watch?v=GHOoZYhF6r4&t=39s
Cheetah Running In Slow Motion - Amazing Footage (PerfectFootage) - https://www.youtube.com/watch?v=131wvVGjZUc&t=99s
Dolphins burst bubble of underpowered muscles(DPIV) (Science News) - https://www.youtube.com/watch?v=y8ZQIzVn2jw
Inviscid Flow over an airfoil (Ankur Bhatnagar) - https://www.youtube.com/watch?v=Zcd3DN6UT6c
UConn Swim Team In Super Slow Motion(Uconn) - https://www.youtube.com/watch?v=2dhjiMhQCto
Wedge Delta Wing Vortex Generator 1(LaKiEh) - https://www.youtube.com/watch?v=DJnByod9wWY
GoPro Swimming with Dolphins - Santa Cruz CA(GoPro) - https://www.youtube.com/watch?v=LStXdttFj_o
epic underwater dolphin footage(Rich German) - https://www.youtube.com/watch?v=Wf9_Gitcils&t=15s
Particle Imaging Velocimetry(bardiche1989) - https://www.youtube.com/watch?v=wFZ8b4u-pUA&t=10s
Digital Particle Image Velocimetry(NextGenLog) - https://www.youtube.com/watch?v=msr6jCqoZYU&t=2s
Bathing in 600 lbs of Nutella(Cemre) - https://www.youtube.com/watch?v=z6tFkq2WtTI&t=50s
Deep Water Running with Jog Belt | Speedo Fit(SpeedoUSA) - https://www.youtube.com/watch?v=t_PEHX9vkJ8
HONEY BATH CHALLENGE!(Guava Juice) - https://www.youtube.com/watch?v=g82MrpXkmPU
Jet Engine Stunt (Jackass 3D)
Slime ASMR short clip (Cassie MoonShadow) - https://www.youtube.com/watch?v=vchKG47eBzI
Understanding Aerodynamics - The Drag Formula(Sigma Rockets) - https://www.youtube.com/watch?v=SyZu744vQXg&t=60s
Pitch Drop Time Lapse 2 years to date(ThePitchDrop) - https://www.youtube.com/watch?v=UZKZF7FNh_0
#dolphins #science #paradox
Видео Grays's Paradox- Boundary Layer Effect (Explained) канала Integza
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