Канал: Fluid Dynamics

Marangoni effect on an aqueous polymer network

Marangoni effect on an aqueous polymer network

Marangoni effect with aqueous glycerol

Marangoni effect with aqueous glycerol

Explosion of a liquid lens

Explosion of a liquid lens

Percolation of a fluid through porous media (Hele-Shaw cell)

Percolation of a fluid through porous media (Hele-Shaw cell)

Instability of Taylor-Couette flow with manually driven inner cylinder [(1/4)X speed]

Instability of Taylor-Couette flow with manually driven inner cylinder [(1/4)X speed]

Gelation of a chaotic jet of dyed sodium alginate into aqueous calcium chloride [(1/16)X speed]

Gelation of a chaotic jet of dyed sodium alginate into aqueous calcium chloride [(1/16)X speed]

Taylor-Green flow (2X speed)

Taylor-Green flow (2X speed)

Instability of Kolmogorov flow

Instability of Kolmogorov flow

Air bubble injection into corn syrup

Air bubble injection into corn syrup

Suction of an antibubble

Suction of an antibubble

Internal jet at pinch-off (air bubble rising in water)

Internal jet at pinch-off (air bubble rising in water)

Boycott effect (sedimentation)

Boycott effect (sedimentation)

Sedimentation of a Fuller's Earth suspension (10X speed)

Sedimentation of a Fuller's Earth suspension (10X speed)

Allassonic/Hot chocolate effect

Allassonic/Hot chocolate effect

Tea leaf paradox (Secondary flows)

Tea leaf paradox (Secondary flows)

Water drop burrowing into heated glass powder

Water drop burrowing into heated glass powder

Wave phenomena in a ripple tank

Wave phenomena in a ripple tank

Dissolution of pills in water (8X speed)

Dissolution of pills in water (8X speed)

Vapour bubble in superheated water

Vapour bubble in superheated water

T1 (topological) events in an aqueous foam

T1 (topological) events in an aqueous foam

Turbulent bubble ring in aqueous glycerol mixture

Turbulent bubble ring in aqueous glycerol mixture

Jetting from Super Glue droplet floating on water

Jetting from Super Glue droplet floating on water

Octopus (Havelock Island, Andamans, India)

Octopus (Havelock Island, Andamans, India)

Shadowgraph imaging

Shadowgraph imaging

Cleaving a water drop using a surgical blade

Cleaving a water drop using a surgical blade

Surface tension of a soap film

Surface tension of a soap film

Pattern formation in a lifted Hele-Shaw cell

Pattern formation in a lifted Hele-Shaw cell

Double-diffusive convection of dairy whitener in water

Double-diffusive convection of dairy whitener in water

Marangoni bursting of aqueous isopropanol drop on sunflower oil bath

Marangoni bursting of aqueous isopropanol drop on sunflower oil bath

Karman vortices behind a moving cylinder

Karman vortices behind a moving cylinder

Water drop impacting heated surface (300C)

Water drop impacting heated surface (300C)

Caustic soda solution over glass beads (coated with phenolpthalein)

Caustic soda solution over glass beads (coated with phenolpthalein)

Water drop on a vibrating teflon sheet

Water drop on a vibrating teflon sheet

Increase of surface tension with reduction of temperature

Increase of surface tension with reduction of temperature

Water droplet impacting dry compressed powders

Water droplet impacting dry compressed powders

Labyrinth instability of ferrofluid between glass plates above magnet

Labyrinth instability of ferrofluid between glass plates above magnet

Antibubble breakup in 50ppm polyacrylamide solution with surfactant

Antibubble breakup in 50ppm polyacrylamide solution with surfactant

Bubble raft as a dynamical model for crystalline defects

Bubble raft as a dynamical model for crystalline defects

Die swell using (dyed) 2% aqueous polyacrylamide solution

Die swell using (dyed) 2% aqueous polyacrylamide solution

Reactive interface: Aqueous sodium hydroxide droplet impacting oleic acid

Reactive interface: Aqueous sodium hydroxide droplet impacting oleic acid

Hyperbolic meniscus in a wedge using dyed mineral oil

Hyperbolic meniscus in a wedge using dyed mineral oil

Minimum energy surfaces with soap films: Cube, Octahedron, Helicoid

Minimum energy surfaces with soap films: Cube, Octahedron, Helicoid

Detergency: Removal of oil droplet from solid surface using surfactant

Detergency: Removal of oil droplet from solid surface using surfactant

Coalescence of two soap bubbles

Coalescence of two soap bubbles

Crystallization in supersaturated solution of sodium acetate trihydrate

Crystallization in supersaturated solution of sodium acetate trihydrate

Submerged half-ring vortex

Submerged half-ring vortex

Wake of a submerged jet

Wake of a submerged jet

Microscopic structure of shaving foam

Microscopic structure of shaving foam

Benard-Marangoni instability

Benard-Marangoni instability

Smoke rings from a burning incense stick

Smoke rings from a burning incense stick

Gimmick: Liquid flowers

Gimmick: Liquid flowers

Kaye effect with laundry detergent

Kaye effect with laundry detergent

Symmetrical breakup of a soap film on a hoop

Symmetrical breakup of a soap film on a hoop

Transition to turbulence in a smoke jet

Transition to turbulence in a smoke jet

Breakup of a diaboloidal soap film

Breakup of a diaboloidal soap film

Cartesian diver

Cartesian diver

Collision of drops

Collision of drops

Turbulent wake behind a grid with a smoke jet

Turbulent wake behind a grid with a smoke jet

Radial expansion of sheet of water

Radial expansion of sheet of water

Radial expansion of sheet of aqueous polyacrylamide solution

Radial expansion of sheet of aqueous polyacrylamide solution

Radial expansion of sheet of oil-water emulsion

Radial expansion of sheet of oil-water emulsion

Resonance in a water-filled Tibetan singing bowl

Resonance in a water-filled Tibetan singing bowl

Leidenfrost effect with acetone droplets

Leidenfrost effect with acetone droplets

Lift on spinning cylinder (Magnus effect)

Lift on spinning cylinder (Magnus effect)

Vortex tube formation using magnetic stirrer

Vortex tube formation using magnetic stirrer

Marangoni effect by shadowgraph ("Tears of wine")

Marangoni effect by shadowgraph ("Tears of wine")

Smoke-wire flow visualisation around a cylinder

Smoke-wire flow visualisation around a cylinder

Meandering rivulets in a Hele-Shaw cell

Meandering rivulets in a Hele-Shaw cell

Analog computing with soap films (Steiner tree problem)

Analog computing with soap films (Steiner tree problem)

Water globule bouncing off a water surface (Liquid marble)

Water globule bouncing off a water surface (Liquid marble)

Effervescence in sesame oil over water (“Lava lamp”)

Effervescence in sesame oil over water (“Lava lamp”)

Jet of soap solution bouncing off a soap film

Jet of soap solution bouncing off a soap film

Flow attachment of jet to a wall (Coanda effect)

Flow attachment of jet to a wall (Coanda effect)

“Basket” splash of roughened sphere impacting water

“Basket” splash of roughened sphere impacting water

Balloon collapsing under water

Balloon collapsing under water

Water droplet rolling on camphor-coated glass

Water droplet rolling on camphor-coated glass

Explosion of water drops on the surface of boiling olive oil

Explosion of water drops on the surface of boiling olive oil

Water bell on a flat obstacle

Water bell on a flat obstacle

Rayleigh-Plateau instability on sphere rotating in aqueous glycerol solution

Rayleigh-Plateau instability on sphere rotating in aqueous glycerol solution

Rayleigh-Plateau instability on nylon fiber dipped in silicone oil

Rayleigh-Plateau instability on nylon fiber dipped in silicone oil

Marangoni flows of oleic acid-ethanol drop (with ink) into water

Marangoni flows of oleic acid-ethanol drop (with ink) into water

Droplet pinchoff with water

Droplet pinchoff with water

Droplet pinchoff with aqueous soap solution (beads-on-a-string)

Droplet pinchoff with aqueous soap solution (beads-on-a-string)

Multilayer drop using castor oil and (dyed) aqueous salt solution

Multilayer drop using castor oil and (dyed) aqueous salt solution

Folding of a liquid sheet (cake batter)

Folding of a liquid sheet (cake batter)

Turbulent wake behind a roughened sphere using smoke jet

Turbulent wake behind a roughened sphere using smoke jet

Blowing a (half) bubble of water

Blowing a (half) bubble of water

Disintegration of burning incense stick via capillary action of water

Disintegration of burning incense stick via capillary action of water

Silicone oil drop bouncing on a vibrating bath of same liquid

Silicone oil drop bouncing on a vibrating bath of same liquid

Vortex dipoles in a vibrating soap film

Vortex dipoles in a vibrating soap film

Spitting droplets of ethanediol and acetone heated by a hair dryer

Spitting droplets of ethanediol and acetone heated by a hair dryer

Salt oscillator with (dyed) aqueous copper sulphate solution

Salt oscillator with (dyed) aqueous copper sulphate solution

High-speed rotation of a soap bubble using a rotary drill

High-speed rotation of a soap bubble using a rotary drill

Visualization of foam flowing around an obstacle

Visualization of foam flowing around an obstacle

Water droplet impacting pumice stone

Water droplet impacting pumice stone

Taylor bubble rising in a tube

Taylor bubble rising in a tube

Dynamic contact angles (vinegar drop on plexiglas)

Dynamic contact angles (vinegar drop on plexiglas)

“Coffee-ring effect” on filter paper (video speed:25X)

“Coffee-ring effect” on filter paper (video speed:25X)

Annular jet of aqueous corn syrup with (surprise) antibubble breakup

Annular jet of aqueous corn syrup with (surprise) antibubble breakup

Dewetting of dyed corn syrup on plexiglas

Dewetting of dyed corn syrup on plexiglas

Rayleigh-Taylor instability with silicone oil

Rayleigh-Taylor instability with silicone oil

Stiffening of jet of soap solution plunging into a bath of same liquid

Stiffening of jet of soap solution plunging into a bath of same liquid

Pinning of contact lines under floating bodies

Pinning of contact lines under floating bodies

Ballooning of aqueous corn syrup droplet falling onto vertical jet of air

Ballooning of aqueous corn syrup droplet falling onto vertical jet of air

Reduction of surface tension with increase of temperature using soldering iron

Reduction of surface tension with increase of temperature using soldering iron

Air extraction from a Saponin bubble

Air extraction from a Saponin bubble

Self-healing of a soap bubble upon rupture

Self-healing of a soap bubble upon rupture

Capillary waves on water under a collapsing soap bubble

Capillary waves on water under a collapsing soap bubble

Pinch-off and deformation of an antibubble in vortex flow

Pinch-off and deformation of an antibubble in vortex flow

Coarsening in an oleic acid (with oil red)-ethanol emulsion on water

Coarsening in an oleic acid (with oil red)-ethanol emulsion on water

Expansion of a vortex ring approaching a plane wall

Expansion of a vortex ring approaching a plane wall

Drainage in a vertical soap film

Drainage in a vertical soap film

Breakup of an antibubble in soap solution

Breakup of an antibubble in soap solution

Mixing layer in a rectangular channel

Mixing layer in a rectangular channel

Formation of oil-water emulsion using magnetic stirrer

Formation of oil-water emulsion using magnetic stirrer

Elastic rebound of a sphere from a shallow liquid layer (Rayleigh-Plateau instability)

Elastic rebound of a sphere from a shallow liquid layer (Rayleigh-Plateau instability)

Marangoni effect with Duco cement (nitrocellulose in acetone) on water

Marangoni effect with Duco cement (nitrocellulose in acetone) on water

Penetration of a floating elastic sheet on water

Penetration of a floating elastic sheet on water

Vapour bubbles on heated nichrome wire in silicone oil

Vapour bubbles on heated nichrome wire in silicone oil

Helical motion of water column on a glass capillary (Coanda effect)

Helical motion of water column on a glass capillary (Coanda effect)

Soap bubble pinch-off from a nozzle

Soap bubble pinch-off from a nozzle

Double diffusive convection (hot dyed water over cold water)

Double diffusive convection (hot dyed water over cold water)

Buoyant vortex ring of (dyed) liquor ammonia in water

Buoyant vortex ring of (dyed) liquor ammonia in water

Vortex ring through a stratified fluid (water above dyed brine)

Vortex ring through a stratified fluid (water above dyed brine)

Water bridge using coconut oil, isopropanol and dyed water

Water bridge using coconut oil, isopropanol and dyed water

Instability of submerged (dyed) corn syrup jet in water

Instability of submerged (dyed) corn syrup jet in water

Coalescence of air bubbles in 0.5% polyacrylamide solution

Coalescence of air bubbles in 0.5% polyacrylamide solution

Rope-coiling of silicone oil

Rope-coiling of silicone oil

Ink drops on glycerol layer

Ink drops on glycerol layer

Rayleigh-Plateau instability inside an air bubble rising in sesame oil

Rayleigh-Plateau instability inside an air bubble rising in sesame oil

Collapse of dyed antibubble in a soap solution

Collapse of dyed antibubble in a soap solution

Silly Putty: Short-time elastic and long-time viscous response

Silly Putty: Short-time elastic and long-time viscous response

Glycerol drop falling in water (flying saucer)

Glycerol drop falling in water (flying saucer)

Hydraulic jump of aqueous glycerol solution

Hydraulic jump of aqueous glycerol solution

Air bubble crossing a Water (lower):Heptane (upper) interface

Air bubble crossing a Water (lower):Heptane (upper) interface

Aqueous cornflour solution vibrated on a speaker

Aqueous cornflour solution vibrated on a speaker

Collapse of air bubble at air-water interface

Collapse of air bubble at air-water interface

Rosensweig instability on a ferrofluid in presence of a magnet

Rosensweig instability on a ferrofluid in presence of a magnet

Faraday instability on water vibrated at 70hz

Faraday instability on water vibrated at 70hz

Magnetic putty (magnetorheological fluid)

Magnetic putty (magnetorheological fluid)

Helical motion of air bubbles rising in a water column

Helical motion of air bubbles rising in a water column

Rayleigh-Taylor instability with immiscible liquids

Rayleigh-Taylor instability with immiscible liquids

Breakup of jet of 100ppm aqueous polyacrylamide solution

Breakup of jet of 100ppm aqueous polyacrylamide solution

Standing capillary waves on a water jet

Standing capillary waves on a water jet

Rayleigh-Plateau instability of water jet (10500 fps)

Rayleigh-Plateau instability of water jet (10500 fps)

Oblique impact of spherical projectile on water

Oblique impact of spherical projectile on water

Head-on impact of spherical projectile on water

Head-on impact of spherical projectile on water

Transition to turbulence in pipe flow (Reynolds experiment)

Transition to turbulence in pipe flow (Reynolds experiment)

Impact of flat-end of a cylinder on pool of water

Impact of flat-end of a cylinder on pool of water

Water drop bouncing on pool of water

Water drop bouncing on pool of water

Instability of vortex rings

Instability of vortex rings

Dilatancy of aqueous sand suspension

Dilatancy of aqueous sand suspension

Breakup of a catenoidal soap film

Breakup of a catenoidal soap film

Surface tension of a soap film on a wire-frame

Surface tension of a soap film on a wire-frame

Vortex tube in a bottle using thermocol balls as tracers

Vortex tube in a bottle using thermocol balls as tracers

Marangoni effect

Marangoni effect

Kelvin Helmholtz instability (fresh water above dyed brine)

Kelvin Helmholtz instability (fresh water above dyed brine)

Levitation of ping-pong ball (Coanda effect)

Levitation of ping-pong ball (Coanda effect)

Catenoid (soap film)

Catenoid (soap film)

Camphor boat (Marangoni effect)

Camphor boat (Marangoni effect)

Mariotte siphon (constant flow-rate device)

Mariotte siphon (constant flow-rate device)

Water droplet impacting a pool of water

Water droplet impacting a pool of water

Saffman-Taylor instability (dyed water into aqueous gelatine solution)

Saffman-Taylor instability (dyed water into aqueous gelatine solution)

Saffman-Taylor instability (dyed water into glycerol)

Saffman-Taylor instability (dyed water into glycerol)

Siphon

Siphon

Elastic recoil with (dyed) 6.6% aqueous polyacrylamide solution

Elastic recoil with (dyed) 6.6% aqueous polyacrylamide solution

Self-starting siphon with dyed water

Self-starting siphon with dyed water

Weissenberg effect with (dyed) 2% aqueous polyacrylamide solution

Weissenberg effect with (dyed) 2% aqueous polyacrylamide solution

Tubeless siphon with (dyed) 2% aqueous polyacrylamide solution

Tubeless siphon with (dyed) 2% aqueous polyacrylamide solution

Flow reversibility at low Reynolds number with (dyed) glycerol

Flow reversibility at low Reynolds number with (dyed) glycerol