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The Division of Fluid Dynamics exists for the advancement and diffusion of knowledge of the physics of fluids with special emphasis on the dynamical theories of the liquid, plastic and gaseous states of matter under all conditions of temperature and pressure.
Every year, the APS Division of Fluid Dynamics hosts a physical Gallery of Fluid Motion at its annual meeting -- a room where stunning graphics and videos from computational or experimental studies showing flow phenomena are displayed. The most outstanding entries are selected by a panel of referees for artistic content and honored for their originality and ability to convey information. The outstanding entries, selected by a panel of referees for artistic content, originality and ability to convey information, will be honored during the meeting, placed on display at the Annual APS Meeting in March of 2011, and will appear in the annual Gallery of Fluid Motion article in the September 2011 issue of the American Institute of Physics' journal, Physics of Fluids. Past winners are published in the journal Physics of Fluids. Physics of Fluids.
This year, in conjunction with the 63rd APS Division of Fluid Dynamics Annual Meeting, held from November 21-23, 2010 at the Long Beach Convention Center, located in downtown Long Beach, California, a subset of these images and videos are available on this page for viewing prior to the judging process, along with other images from the 2,025 presentations at the 63rd DFD meeting.
2010 Video Gallery
Reporters seeking permission to use these images or author contact information should email DFD Media Relations. Please leave "Gallery of Fluid Motion" in the subject line.
An example of interesting physics that may be created on a kitchen table using the simplest components, with unexpectedly beautiful results.
Starburst-like patterns of magnetic drops subjected to an interaction of perpendicular and radial fields.
A series of drops from two sides bending a jet without merging.
Visualization of the breakup of an aircraft engine turbulent liquid fuel jet injected into a compressed turbulent gaseous cross-stream.
Only one 'bathtub vortex' formed in a bucket with two holes in the bottom, viewed from the top with food dye.
An oil-in-water emulsion spreads on the surface of pure water
Hairy legs and very small hairs on a strider's body (as for vast majority of insects and plants), allow striders to freely move and jump on the water surface.
Condensation usually occurs randomly on textures of superhydrophobic surfaces, leading to highly-pinned droplets. Controlling nucleation with micro-scale hydrophobic-hydrophilic domains can overcome these limitations by allowing for preferential condensation.
This figure displays the shape instability of a viscous drop (silicone oil, viscosity: 50 cSt) falling in a liquid (isopropanol).
Multi-scale simulation of arterial flow. Red and blue shapes represent healthy and diseased red blood cells; contours represent streamwise ensemble average velocity, red = high and blue = low; dots represent plasma.
Cellular structure of an unstable flame ignited in a mixture of hydrogen and nitrous oxide.
Visualization of the vortex skeleton of the flow over a cavity. The structures are extracted using extremal structures of the acceleration field as a feature identifier.
Contours of zinc nanocrystal formation rate in a turbulent reacting jet.
When bubbles form with a packed bed of particles, these may acquire two different sizes depending on the flow rate.
This snapshot shows chaotic stretching and folding that appears when an aliquot of food coloring is dropped into a thin pool of water.
Evolution of the fluid flow induced by a single 8 micron diameter swimming Chlamydomonas cell as its flagella beat 53 times per second.
A capillary raft and its destabilization into armored droplets produced by the uniform sprinkling of dense particles on a few mm thick oil layer (dyed in red for visualization) sitting on water. At the bottom of the container, a pile of armored droplets after several sinking events.
Gas-liquid interfaces break up when subjected to vibrations within critical ranges of frequency and amplitude. This breakup mechanism was examined experimentally, producing dramatic disturbances at the gas-liquid free surface.
Pictures of salt water vortex rings descending in fresh water.
Fluid flows bound between rotating cylinders can produce a wealth of patterns as they transition between a laminar and turbulent state.
A flame, ignited by a glow plug at 650 degrees Celsius, is propagating in a gaseous mixture of hexane in air and developing instabilities.
The Water spray pattern behind a rolling tire begins as a sheet of water. The thinner parts of the sheet rupture, forming holes. The smallest droplets are found along the edges of these holes. Thicker parts of the sheet become arc shaped ligaments, which pinch off to produce the largest drops.
The interaction of two hydraulic jumps creates a stable fluid arch supported by a thin liquid sheet.
The image represents symmetrical wake structure behind two uniformly rotating cylinders at Reynolds number of 200 and cylinder surface speed to free stream velocity ratio of 1.35.
The process through which an emulsion is formed. An emulsion is a mixture of liquid drops suspended in another liquid.
Eruption of a magnetic drop immersed within a layer of oils and subjected to perpendicular magnetic field.
Flexible sheets are released from rest and fall downward. The paths (black lines) reflect the fluttering, flapping, and circling motions of the sheets.
Sequence of images showing the evolution of a soap film uniformly released from a wire frame, which was heated by a high voltage microsecond impulse.
Air (yellow region) fingers into a mixture of vegetable oil, water and dye in a diverging Hele Shaw cell.