Summary
In pipe flow at low Reynolds number, decay of localized disturbances is observed. As the Reynolds number is increased, the question emerges whether the life time of these disturbances diverges at a finite Reynolds number or remains transient. In the current investigation we determine their life time quantitatively from pressure measurements, while in previous investigations the distance over which a structure survives has been determined. The obtained results confirm that the life time of localized disturbances does not diverge in the range of Reynolds numbers covered in the current experiment.
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© 2009 Springer-Verlag Berlin Heidelberg
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Kuik, D.J., Poelma, C., Hof, B., Westerweel, J. (2009). Quantitative measurement of the life time of turbulence in pipe flow. In: Eckhardt, B. (eds) Advances in Turbulence XII. Springer Proceedings in Physics, vol 132. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03085-7_36
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DOI: https://doi.org/10.1007/978-3-642-03085-7_36
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