Visualization of Three-Dimensional Chaos

Visualization of Three-Dimensional Chaos

Most chaotic mixing experiments have been restricted to two-dimensional, time-periodic flows, and this has shaped advances in theory as well. A prototypical, bounded, three-dimensional flow with a moderate Reynolds number is presented; this system lends itself to detailed experimental observation an...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1998-07, Vol.281 (5377), p.683-686
Hauptverfasser: Fountain, G. O., Khakhar, D. V., Ottino, J. M.
Format: Artikel
Sprache:eng
Schlagworte:
Advection
Chaos
Chaos theory
Chaotic systems
Dyes
Exact sciences and technology
Fluid dynamics
Fluid mechanics
Fundamental areas of phenomenology (including applications)
Impellers
Injections
Laboratory Experiments
Lasers
Observations
Physics
Symmetry
Trajectories
Velocity distribution
Viscosity
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Beschreibung
Zusammenfassung:Most chaotic mixing experiments have been restricted to two-dimensional, time-periodic flows, and this has shaped advances in theory as well. A prototypical, bounded, three-dimensional flow with a moderate Reynolds number is presented; this system lends itself to detailed experimental observation and allows for high-precision computational inspection. The flow structure, captured by means of cuts with a laser sheet (experimental Poincaré section), was visualized with the use of continuously injected fluorescent dye streams and revealed detailed chaotic structures with high-period islands.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.281.5377.683