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| A pool filled with non-newtonian fluid |
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They filled a pool with a mix of cornstarch and
water made on a concrete mixer truck. It becomes a
non-newtonian fluid. When stress is applied to the
liquid it exhibits properties of a solid.
Wikipedia:
http://en.wikipedia.org/wiki/Non_Newtonian_fluid
Recorded at Barcelona, Spain.
TV Show:
http://www.cuatro.com/microsites/el_hormiguero/cie
ntifico.html
Tags : non-newtonian newtonian fluid physics cornstarch water pool spain |
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Affichage : 2970391
Durée : 242 s |
| Blender Magic Fluid Simulation |
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Magic Fluid Control
By N. Thuerey, R. Keiser, M. Pauly, U. Ruede
This is cool.
More info:
http://www10.informatik.uni-erlangen.de/%7Esinithu
e/ani_mfc/
and
http://www.blendernation.com/2006/12/13/magic-flui
d-control/
This video isn't my work, I'm just posting it
because I think people should check it out.
Tags : blender fluid animation 3d cg 3dcg |
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Affichage : 206261
Durée : 160 s |
| Incredible Fluid Motion Experiment |
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A fluorocarbon-based ferrofluid, with about 400-G
saturation magnetization and low field magnetic
susceptibility of 3, is placed within a glass
Hele-Shaw cell of 1.1-mm gap. Magnetic fields are
applied that have in-plane clockwise rotating and
dc axial magnetic fields. The ferrofluid is
surrounded by a 50/50 mixture of isopropyl alcohol
and deionized water, which prevents ferrofluid
wetting of the glass plates. In all cases, the
rotational field strength is 20 G rms, and the
frequency is 25 Hz. The dc magnetic field will be
increased from 0 to 100 to 200 G.
The first experiment uses a 50-µl drop of
ferrofluid. The dc axial field is first increased
to 100 G, and then the clockwise rotating field is
turned on. The ferrofluid drop is circular before
the magnetic field is applied. When the dc
magnetic field is applied, the ferrofluid drop
forms a spiking labyrinth pattern. Then the
clockwise rotating field is applied, and the
spikes begin to curl in on themselves, forming a
smooth spiral pattern after some of the spikes are
absorbed into the larger structure. The smooth
spirals form from viscous shear as the clockwise
rotating magnetic field causes counterclockwise
flow on the outside ferrofluid surfaces, which
return on the inside surfaces.
The second experiment uses a 200-µl drop of
ferrofluid. First, the clockwise rotating field is
applied, which causes a counterclockwise flow that
holds the circular fluid drop together without
spikes. Then a 100-G dc axial field is gradually
applied. This results in the ferrofluid drop
appearing to expand before a phaselike transition
at a critical dc magnetic field strength around
100 G. Careful observations show that the pattern
forms at slightly less than 100-G dc field under a
thin ferrofluid coating on the top glass plate,
which then abruptly peels away at slightly
increased dc axial magnetic field. The magnetic
field is then increased from 100 to 200 G to form
an intricate internal pattern surrounded by a
circle of ferrofluid with spiraled arms. The
second experiment is repeated again three more
times under essentially identical conditions, with
common features but it appears that the fine
features are different each time.
Acknowledgments: This research is supported by
National Science Foundation Grant No. CTS-0084070.
We gratefully thank Ferrofluidics Corp., now
FerroTec Corp., for contributing the ferrofluid
used in these experiments.
Tags : science |
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Affichage : 489515
Durée : 180 s |
| Non-Newtonian Fluid |
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original video from Andrew Bradshaw @google video
A Non-Newtonian fluid, so named because it's
properties cannot be described in terms of the
concepts of classical fluids, can be created
easily in the home. This example is a mixture of
corn starch and water, roughly 10 parts cornstarch
to 1 water.
When stress is applied to the liquid it exhibits
properties of a solid. Especially interesting is
the reaction when it is disturbed at certain
frequencies. Using a frequency generator and a
subwoofer, the tub of fluid was placed on top of
the subwoofer's hole, which is emitting sound at
50 hz.
http://en.wikipedia.org/wiki/Non_​Newtonian_flui
d
Tags : non newtonian non-newtonian fluid |
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Affichage : 97470
Durée : 67 s |
| SnOil: Magnetic Fluid Display by Martin Frey |
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SnOil" (short for Snake + Oil) is a tactile
display that uses Ferrofluid (magnetically
reactive liquid) and an array of electromagnets to
control 144 individual "bumps" and integrated
motion sensors that allows for the game of "Snake"
to be played when the user tilts the tactile
display back and forth.
Tags : display magnetic art |
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Affichage : 44075
Durée : 216 s |
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