Slowly mixing cylinder in a cone-shaped nozzle |
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| Authors: | Juergen Linke Peter Neumeyer Matthias Waechter Joachim Peinke |
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| Institution: | (1) Institute of Physics, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany |
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| Abstract: | We report on a surprising phenomenon in a turbulent jet setup which uses a cone-shaped nozzle with an excentric inlet. Inside
the nozzle a slowly mixing, rotating cylinder surface was observed. The speed of mixing on this cylinder surface is reduced
by approximately a factor of 8 compared to the remaining flow field of the nozzle. The phenomenon seems to be independent
of the Reynolds number and the pressure distribution inside the nozzle. |
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