Decay of turbulence in pipe flow

J. Peixinho, T. Mullin

    Research output: Contribution to journalArticlepeer-review


    A novel experiment has been devised which provides direct evidence for critical point behavior in the longstanding problem of the transition to turbulence in a pipe. The novelty lies in the quenching of turbulence by reducing the Reynolds number and observing the decay of disordered motion. Divergence of the time scales implies underlying deterministic dynamics which are analogous to those found in boundary crises in dynamical systems. A modulated wave packet emerges from the long term transients and this coherent state provides evidence for connections with recent theoretical developments. © 2006 The American Physical Society.
    Original languageEnglish
    Article number094501
    JournalPhysical Review Letters
    Issue number9
    Publication statusPublished - 2006


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