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Dresden 2011 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 40: Posters II

DY 40.23: Poster

Donnerstag, 17. März 2011, 17:00–19:00, P3

Granular Anisotropic Gases — •Kirsten Harth1, Stephan Höme2, Ulrike Kornek1, Ulrike Strachauer1, Torsten Trittel1, Karl Will3, and Ralf Stannarius11Institut für experimentelle Physik, Otto-von-Guericke Universität Magdeburg, Deutschland — 2Institut für Automatisierungstechnik, Otto-von-Guericke Universität Magdeburg, Deutschland — 3Institut für Elektronik, Signalverarbeitung und Kommunikationstechnologie, Otto-von-Guericke Universität Magdeburg, Deutschland

Granular materials accompany us from early childhood days - but they still retain lots of unsolved challenges for grown-up scientists and engineers. They can exhibit states similar to gases, fluids and solids. So far, most experiments and theoretical investigations focussed on spherical or irregularly shaped particles.

We study a granular gas of elongated cylindrical particles a few millimetres in length under microgravity conditions. Our fully automatic setup consists of a translucent box with shaking walls, which is monitored with digital cameras from two perspectives. We will present first results from our sounding rocket flight. From the video data, the three-dimensional motion of the particles can be reconstructed, to analyze typical statistical quantities of the granular dynamics.

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