Загрузка видео...

Не удалось загрузить видео

На главную

Bubble cavitation is crazy. A bubble collapses so violently that, for a split second, it creates enormous heat, pressure, flashes of light and tiny jets of liquid powerful enough to eat away at metal. Something that looks like an empty pocket in water becomes an incredibly violent event.

SocraticScribe's profile picture

Bluntly Put Philosopher (BPP)

37,206 subscribers

28,678 просмотров • 3 дней назад •via X (Twitter)

Наука и технологии
LIVE

Anya Rossi• Live Now

Private livecam show

Комментарии: 0

Нет доступных комментариев

Здесь появятся комментарии из оригинального поста

Похожие видео

Sound waves in liquid create collapsing bubbles that flash with light, form nonequilibrium plasma, and reach sun-like temperatures. Each bubble becomes a green microreactor—no inputs, no waste. Sonochemistry is cavitation alchemy.
0:10

Sound waves in liquid create collapsing bubbles that flash with light, form nonequilibrium plasma, and reach sun-like temperatures. Each bubble becomes a green microreactor—no inputs, no waste. Sonochemistry is cavitation alchemy.

Bluntly Put Philosopher (BPP)

68,047 просмотров • 1 год назад

This looks like a simple transparent shock absorber filled with oil. But what you are seeing is one of the most destructive phenomena in fluid engineering. This is cavitation in its true form. The white cloud forming beneath the piston is not foam and it is not air. The oil is literally changing from liquid to vapour at room temperature. When the piston moves rapidly, the oil is forced through tiny passages inside the damper. The fluid velocity increases, the local pressure drops, and if it falls below the oil's vapour pressure, the liquid begins to boil without any increase in temperature. The moment the pressure recovers, those microscopic vapour bubbles collapse almost instantly. And that is where the real damage begins. The destructive forces of cavitation is really not understood well by most. A collapsing cavitation bubble creates shockwaves and high-speed microjets that strike nearby surfaces with enormous local forces. Repeated millions of times, these tiny implosions can slowly eat away hardened metals, destroy precision components and reduce the lifespan of expensive machinery across industries. This same invisible phenomenon is one of the biggest challenges in naval engineering. Ship propellers operating under enormous loads can suffer cavitation erosion, losing efficiency while creating underwater noise. For advanced stealth submarines, that noise can become a major problem because cavitation can reveal their position. Decades of research have gone into specialised propeller designs, pump-jets, surface finishes and hydrodynamic optimisation to delay its formation. The same issues affects hydroelectric turbines that convert the energy of entire rivers into electricity, and industrial pumps that move oil, chemicals and water through critical infrastructure around the world. Perhaps the most remarkable part is that after 4-5 decades of advances in metallurgy, coatings and manufacturing, engineers still cannot simply build a material that is immune to cavitation. The solution is not to make stronger metals forever. It is to understand the fluid dynamics so precisely that cavitation is prevented before in those destructive bubbles ever form.
0:10

This looks like a simple transparent shock absorber filled with oil. But what you are seeing is one of the most destructive phenomena in fluid engineering. This is cavitation in its true form. The white cloud forming beneath the piston is not foam and it is not air. The oil is literally changing from liquid to vapour at room temperature. When the piston moves rapidly, the oil is forced through tiny passages inside the damper. The fluid velocity increases, the local pressure drops, and if it falls below the oil's vapour pressure, the liquid begins to boil without any increase in temperature. The moment the pressure recovers, those microscopic vapour bubbles collapse almost instantly. And that is where the real damage begins. The destructive forces of cavitation is really not understood well by most. A collapsing cavitation bubble creates shockwaves and high-speed microjets that strike nearby surfaces with enormous local forces. Repeated millions of times, these tiny implosions can slowly eat away hardened metals, destroy precision components and reduce the lifespan of expensive machinery across industries. This same invisible phenomenon is one of the biggest challenges in naval engineering. Ship propellers operating under enormous loads can suffer cavitation erosion, losing efficiency while creating underwater noise. For advanced stealth submarines, that noise can become a major problem because cavitation can reveal their position. Decades of research have gone into specialised propeller designs, pump-jets, surface finishes and hydrodynamic optimisation to delay its formation. The same issues affects hydroelectric turbines that convert the energy of entire rivers into electricity, and industrial pumps that move oil, chemicals and water through critical infrastructure around the world. Perhaps the most remarkable part is that after 4-5 decades of advances in metallurgy, coatings and manufacturing, engineers still cannot simply build a material that is immune to cavitation. The solution is not to make stronger metals forever. It is to understand the fluid dynamics so precisely that cavitation is prevented before in those destructive bubbles ever form.

Ammanichanda

1,188,936 просмотров • 3 месяцев назад

Cavitation is geometry as a weapon. A bubble collapses and its own spherical shape focuses diffuse energy inward, crushing trapped gas to thousands of kelvin at the center. No added energy
0:14

Cavitation is geometry as a weapon. A bubble collapses and its own spherical shape focuses diffuse energy inward, crushing trapped gas to thousands of kelvin at the center. No added energy

Bluntly Put Philosopher (BPP)

39,085 просмотров • 4 месяцев назад

Light is produced when an underwater bubble collapses with a sound wave. This phenomenon is called sonoluminescence, and it was first documented in the mid-1930s.
0:11

Light is produced when an underwater bubble collapses with a sound wave. This phenomenon is called sonoluminescence, and it was first documented in the mid-1930s.

Historic Vids

444,640 просмотров • 2 лет назад

This is cavitation inside a piston diaphragm pump. Most engineers spend their entire careers hearing this destructive phenomenon. Almost none ever get to see it with their own eyes. When pressure drops below a critical threshold, liquid instantly flashes into vapor, creating thousands of microscopic bubbles throughout the system. It happens in milliseconds, invisible to the naked eye in standard metal pumps. But when pressure rises again, those bubbles don't just disappear quietly. They collapse violently, sending shockwaves rippling through the metal components. The result is catastrophic. Valves get destroyed. Seals get shredded. Pump chambers get hollowed out from the inside, one microscopic implosion at a time. Cavitation is one of the most destructive forces in industrial fluid systems, responsible for equipment failures that cost thousands of dollars per incident. Engineers have studied it for decades through sensors, pressure readings, and the telltale sounds it makes. But they've never been able to watch it happen in real time. Until now. The clear plexiglass head on this LEWA pump changes everything. For the first time, pump engineers can observe cavitation as it occurs, watching the bubble formation and violent collapse that destroys their equipment. It's like finally seeing the invisible enemy that's been wreaking havoc on industrial systems. This is what happens when engineering innovation meets visualization technology. Sometimes the most powerful breakthroughs come from simply making the invisible visible.
0:10

This is cavitation inside a piston diaphragm pump. Most engineers spend their entire careers hearing this destructive phenomenon. Almost none ever get to see it with their own eyes. When pressure drops below a critical threshold, liquid instantly flashes into vapor, creating thousands of microscopic bubbles throughout the system. It happens in milliseconds, invisible to the naked eye in standard metal pumps. But when pressure rises again, those bubbles don't just disappear quietly. They collapse violently, sending shockwaves rippling through the metal components. The result is catastrophic. Valves get destroyed. Seals get shredded. Pump chambers get hollowed out from the inside, one microscopic implosion at a time. Cavitation is one of the most destructive forces in industrial fluid systems, responsible for equipment failures that cost thousands of dollars per incident. Engineers have studied it for decades through sensors, pressure readings, and the telltale sounds it makes. But they've never been able to watch it happen in real time. Until now. The clear plexiglass head on this LEWA pump changes everything. For the first time, pump engineers can observe cavitation as it occurs, watching the bubble formation and violent collapse that destroys their equipment. It's like finally seeing the invisible enemy that's been wreaking havoc on industrial systems. This is what happens when engineering innovation meets visualization technology. Sometimes the most powerful breakthroughs come from simply making the invisible visible.

Mechanical Knowledge

523,960 просмотров • 4 месяцев назад

A sheet of metal that moves like water, turning physics into an optical illusion
0:15

A sheet of metal that moves like water, turning physics into an optical illusion

Massimo

129,331 просмотров • 5 месяцев назад

In Budapest, there is a fountain that looks like an open book. At regular intervals, a sheet of water curves to one side to give the illusion of a page being turned
0:13

In Budapest, there is a fountain that looks like an open book. At regular intervals, a sheet of water curves to one side to give the illusion of a page being turned

non aesthetic things

127,259 просмотров • 10 месяцев назад

In Budapest, there is a fountain that looks like an open book. At regular intervals, a sheet of water curves to one side to give the illusion of a page being turned
0:13

In Budapest, there is a fountain that looks like an open book. At regular intervals, a sheet of water curves to one side to give the illusion of a page being turned

Science girl

3,310,022 просмотров • 10 месяцев назад

Bitcoin is going to RALLY so VIOLENTLY that Greg from three doors down walks over holding the leaf blower he financed at 26.99 percent APR to ask you, with genuine curiosity, what a satoshi is. So violently that the HOA letter about your mailbox color arrives and you frame it. So violently that the guy who called it tulips in 2017 opens every sentence at the block party with "well, I always said the technology itself was interesting." So violently that your Target Date 2055 fund, which parked 41 percent of your one life in bonds because an actuary in Malvern decided you were fragile, finally gets to rest. So violently that Applebee's 2 for $25 becomes a story you tell your grandchildren and they assume you are describing a prison. So violently that men in their forties feel something real in the Menards rebate aisle and have to sit in the truck for a minute with the engine off. So violently that someone laughs out loud in the Q3 all hands when they say "we're like a family here," and instead of getting fired he becomes the CEO. So violently that the $7,400 deductible your employer calls a High Deductible Health Plan With A Savings Component gets cleared in the time it takes to microwave a Hot Pocket. So violently that your brother in law, who has explained blockchain to you at four consecutive Thanksgivings while holding a Coors Light and getting it wrong in a new way each time, texts you at 2:14 a.m. asking how Coinbase works. So violently that the entire Stanley tumbler economy vaporizes in a single afternoon and the resale market moves to eBay, where it belongs. So violently that the boomer who bought his house in 1987 for $61,000 and calls you entitled becomes extremely interested in what exactly it is you do for work. So violently that "just 11 more years and I retire at 67" dissolves into the air alongside the Wells Fargo $12 monthly maintenance fee, which they waive if you maintain a $1,500 average daily balance, a sentence 1 human wrote and 7 humans approved. So violently that the 78 month auto loan joins leeches and the draft in the museum of things we agreed to when we were confused. So violently that Chase mails you a pre-approved Sapphire offer and you use it as a coaster in a house you own outright. The middle class was always a payment plan with a lifestyle stapled to the front. You read the prepayment clause. It was blank. Stay humble. Stack sats.
0:10

Bitcoin is going to RALLY so VIOLENTLY that Greg from three doors down walks over holding the leaf blower he financed at 26.99 percent APR to ask you, with genuine curiosity, what a satoshi is. So violently that the HOA letter about your mailbox color arrives and you frame it. So violently that the guy who called it tulips in 2017 opens every sentence at the block party with "well, I always said the technology itself was interesting." So violently that your Target Date 2055 fund, which parked 41 percent of your one life in bonds because an actuary in Malvern decided you were fragile, finally gets to rest. So violently that Applebee's 2 for $25 becomes a story you tell your grandchildren and they assume you are describing a prison. So violently that men in their forties feel something real in the Menards rebate aisle and have to sit in the truck for a minute with the engine off. So violently that someone laughs out loud in the Q3 all hands when they say "we're like a family here," and instead of getting fired he becomes the CEO. So violently that the $7,400 deductible your employer calls a High Deductible Health Plan With A Savings Component gets cleared in the time it takes to microwave a Hot Pocket. So violently that your brother in law, who has explained blockchain to you at four consecutive Thanksgivings while holding a Coors Light and getting it wrong in a new way each time, texts you at 2:14 a.m. asking how Coinbase works. So violently that the entire Stanley tumbler economy vaporizes in a single afternoon and the resale market moves to eBay, where it belongs. So violently that the boomer who bought his house in 1987 for $61,000 and calls you entitled becomes extremely interested in what exactly it is you do for work. So violently that "just 11 more years and I retire at 67" dissolves into the air alongside the Wells Fargo $12 monthly maintenance fee, which they waive if you maintain a $1,500 average daily balance, a sentence 1 human wrote and 7 humans approved. So violently that the 78 month auto loan joins leeches and the draft in the museum of things we agreed to when we were confused. So violently that Chase mails you a pre-approved Sapphire offer and you use it as a coaster in a house you own outright. The middle class was always a payment plan with a lifestyle stapled to the front. You read the prepayment clause. It was blank. Stay humble. Stack sats.

Adam Livingston

53,331 просмотров • 2 месяцев назад

In Budapest, there is a fountain that looks like an open book. At regular intervals, a sheet of water curves to one side to give the illusion of a page being turned 📹 Da Min
0:12

In Budapest, there is a fountain that looks like an open book. At regular intervals, a sheet of water curves to one side to give the illusion of a page being turned 📹 Da Min

Science girl

18,098,851 просмотров • 3 лет назад

In Brazil, there is a single tree that is so big it looks like an entire forest. It is the world's largest cashew tree, and it covers an area of about 8,400 square meters, that's about the size of a football field.
0:14

In Brazil, there is a single tree that is so big it looks like an entire forest. It is the world's largest cashew tree, and it covers an area of about 8,400 square meters, that's about the size of a football field.

Massimo

251,796 просмотров • 4 месяцев назад

Just a little guy and his water droplet hat. 💧🕷️ Carrying the weight of the world, one tiny bubble at a time!"
0:14

Just a little guy and his water droplet hat. 💧🕷️ Carrying the weight of the world, one tiny bubble at a time!"

butterfly world 🦋

97,696 просмотров • 5 месяцев назад

Rare Enhydro Quartz with over a hundred moving bubbles! 💦🫧 Each bubble is enclosed in a tiny negative crystal cavity with fluid inside, allowing the bubble to move back and forth. Quartz grows in a hydrothermal solution, and as it forms, water can become trapped inside portions of the crystal and remain preserved for millions of years. A truly fascinating piece! #enhydro #quartz #crystals #geology #bubbles #water #rocksforthespirit
0:13

Rare Enhydro Quartz with over a hundred moving bubbles! 💦🫧 Each bubble is enclosed in a tiny negative crystal cavity with fluid inside, allowing the bubble to move back and forth. Quartz grows in a hydrothermal solution, and as it forms, water can become trapped inside portions of the crystal and remain preserved for millions of years. A truly fascinating piece! #enhydro #quartz #crystals #geology #bubbles #water #rocksforthespirit

Rocks for the Spirit

36,146 просмотров • 2 лет назад

liquid metal ui looks so premium.. even in light mode..
0:10

liquid metal ui looks so premium.. even in light mode..

Aurelien

149,239 просмотров • 10 месяцев назад

Satya Nadella: Microsoft’s latest Wisconsin AI data center keeps yearly water consumption no higher than that of 1 local restaurant. "The cooling loop is filled once and the data centre can operate effectively with zero water consumption. Daily water usage across a year is roughly equivalent to what a single restaurant would use" The mechanism is mainly about replacing evaporative cooling with closed-loop direct-to-chip liquid cooling, so water moves like coolant inside a sealed machine rather than being boiled off into the air. Hot GB200-class AI racks produce too much heat for normal air cooling, so cold liquid is pushed through pipes into the servers and across metal cold plates touching the hottest chips. The liquid enters the rack cool, absorbs heat from the chips through cold plates, then exits the rack at a higher temperature and carries that heat through pipes to a huge cooling system outside the compute floor. Microsoft says Fairwater sends that hot water to cooling “fins” beside the datacenter, where 172 20-foot fans blow air across the fins and dump the heat into the outside air. The important detail is that the air cools the water through metal surfaces, so the water does not need to evaporate the way many older datacenters use cooling towers. The cooled liquid then returns to the servers, repeats the loop, and keeps absorbing heat from the chips. In older data centers, heat is often removed partly through cooling towers. Hot water meets moving air, some water evaporates, and that phase change carries heat away. Effective, but it consumes fresh water continuously. But Firwater is a closed loop because the same coolant keeps circulating through sealed pipes: it absorbs heat from the chips, releases that heat through radiator-like fins, then flows back to the chips again. For Wisconsin Fairwater, Microsoft says more than 90% of the facility uses closed-loop liquid cooling, while the remaining portion uses outside air and switches to water only on the hottest days. ---- From "Microsoft" YouTube channel, (link in comment)
0:19

Satya Nadella: Microsoft’s latest Wisconsin AI data center keeps yearly water consumption no higher than that of 1 local restaurant. "The cooling loop is filled once and the data centre can operate effectively with zero water consumption. Daily water usage across a year is roughly equivalent to what a single restaurant would use" The mechanism is mainly about replacing evaporative cooling with closed-loop direct-to-chip liquid cooling, so water moves like coolant inside a sealed machine rather than being boiled off into the air. Hot GB200-class AI racks produce too much heat for normal air cooling, so cold liquid is pushed through pipes into the servers and across metal cold plates touching the hottest chips. The liquid enters the rack cool, absorbs heat from the chips through cold plates, then exits the rack at a higher temperature and carries that heat through pipes to a huge cooling system outside the compute floor. Microsoft says Fairwater sends that hot water to cooling “fins” beside the datacenter, where 172 20-foot fans blow air across the fins and dump the heat into the outside air. The important detail is that the air cools the water through metal surfaces, so the water does not need to evaporate the way many older datacenters use cooling towers. The cooled liquid then returns to the servers, repeats the loop, and keeps absorbing heat from the chips. In older data centers, heat is often removed partly through cooling towers. Hot water meets moving air, some water evaporates, and that phase change carries heat away. Effective, but it consumes fresh water continuously. But Firwater is a closed loop because the same coolant keeps circulating through sealed pipes: it absorbs heat from the chips, releases that heat through radiator-like fins, then flows back to the chips again. For Wisconsin Fairwater, Microsoft says more than 90% of the facility uses closed-loop liquid cooling, while the remaining portion uses outside air and switches to water only on the hottest days. ---- From "Microsoft" YouTube channel, (link in comment)

Rohan Paul

86,654 просмотров • 2 месяцев назад

When a nuclear reactor powers on for the first time, the core fills with a deep blue glow that feels almost unreal as it rises through the water in a quiet surge of energy. The light is Cherenkov radiation, created when charged particles move through the water faster than light can travel in that medium, a discovery made in the 1930s that revealed a new way to see high energy reactions. Every appearance of this glow is a reminder of how powerful atomic reactions can be, showing a rare moment where raw physics becomes something visible and strangely beautiful.
0:13

When a nuclear reactor powers on for the first time, the core fills with a deep blue glow that feels almost unreal as it rises through the water in a quiet surge of energy. The light is Cherenkov radiation, created when charged particles move through the water faster than light can travel in that medium, a discovery made in the 1930s that revealed a new way to see high energy reactions. Every appearance of this glow is a reminder of how powerful atomic reactions can be, showing a rare moment where raw physics becomes something visible and strangely beautiful.

Today In History

384,111 просмотров • 5 месяцев назад

A water anole lizard using an air bubble to breathe underwater
0:14

A water anole lizard using an air bubble to breathe underwater

Nature is Amazing ☘️

4,752,268 просмотров • 2 лет назад